From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Thu, 9 Dec 2010 21:58:22 +0000 (+0100)
Subject: Button reporting, fullscreen mode.
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=cd3dd2cbdb007c774c2485a7e14cf12b75249dfd;p=slotcarman.git

Button reporting, fullscreen mode.
---

diff --git a/SCX/Car.pm b/SCX/Car.pm
index 31149a2..b6466be 100644
--- a/SCX/Car.pm
+++ b/SCX/Car.pm
@@ -12,6 +12,7 @@ sub new {
 		gui      => $args->{gui},
 		driver   => $args->{driver} || '--',	
 		throttle => undef,
+		button   => undef,
 		fuel     => 0,
 		lap      => 0,
 		laptime  => 0,
@@ -44,9 +45,10 @@ sub same {
 }
 
 sub set_throttle {
-	my ($self, $val, $time) = @_;
+	my ($self, $val, $button, $time) = @_;
 
-	return if $self->same('throttle', $val);
+	return if $self->same('throttle', $val)
+		&& $self->same('button', $button);
 
 	if ($self->track->{start_in_progress} && $val) {
 		$self->{early_start} = 1;
@@ -60,7 +62,7 @@ sub set_throttle {
 		}
 	}
 
-	$self->gui->set_throttle($self->{order}, $val);
+	$self->gui->set_throttle($self->{order}, $val, $button);
 }
 
 
@@ -169,7 +171,8 @@ sub set_order {
 	
 	$self->gui->set_name($self->{order}, $self->{driver});
 	$self->gui->set_car_icon($self->{order}, $self->{car_img});
-	$self->gui->set_throttle($self->{order}, $self->{throttle});
+	$self->gui->set_throttle($self->{order}, $self->{throttle},
+		$self->{button});
 	$self->gui->set_lap($self->{order}, $self->{lap});
 	$self->gui->set_laptime($self->{order}, $self->{laptime});
 	$self->gui->set_best_lap($self->{order}, $self->{best_lap});
diff --git a/SCX/GUI.pm b/SCX/GUI.pm
index da3f9f4..08b4ea9 100755
--- a/SCX/GUI.pm
+++ b/SCX/GUI.pm
@@ -8,6 +8,7 @@ use utf8;
 use Carp;
 use Encode;
 use Gtk2 '-init';
+use Gtk2::Gdk::Keysyms;
 use Glib qw(TRUE FALSE);
 
 our $BASE_SIZE;
@@ -26,7 +27,7 @@ sub new {
 
 	$self->{builder}->add_from_file('slotcarman.glade');
 
-	$self->{builder}->connect_signals(undef);
+	$self->{builder}->connect_signals($self);
 	$self->load_all_images;
 	$self->set_font_sizes;
 
@@ -60,14 +61,52 @@ sub delete_event { Gtk2->main_quit; }
 
 sub quit { Gtk2->main_quit; }
 
+use Data::Dumper;
+
+sub hotkey {
+	my ($window, $key, $self) = @_;
+
+	if ($key->keyval == $Gtk2::Gdk::Keysyms{F5}) {
+		if ($self->{fullscreen}) {
+			leave_fullscreen($window, $self);
+		} else {
+			fullscreen($window, $self);
+		}
+		return 1;
+	}
+	return 0;
+}
+
 sub fullscreen {
-	my ($self) = @_;
+	my ($widget, $self) = @_;
+
+	return if $self->{fullscreen};
 
+	$self->get_object('menubar1')->hide;
+	$self->get_object('statusbar1')->hide;
 	$self->get_object('slotcarman')->fullscreen;
+
+	$self->{fullscreen} = 1;
 	my $h = $self->get_object('image_car1')->allocation->height;
-	print "h=$h\n";
+	my $h1 = $self->get_object('slotcarman')->allocation->height;
+	print "h=$h, h1=$h1\n";
 }
-	
+
+sub leave_fullscreen {
+	my ($widget, $self) = @_;
+
+	return if !$self->{fullscreen};
+
+	$self->get_object('menubar1')->show;
+	$self->get_object('statusbar1')->show;
+	$self->get_object('slotcarman')->unfullscreen;
+
+	$self->{fullscreen} = undef;;
+	my $h = $self->get_object('image_car1')->allocation->height;
+	my $h1 = $self->get_object('slotcarman')->allocation->height;
+	print "h=$h, h1=$h1\n";
+}
+
 sub watch_resize {
 	my ($window, $rectangle, $self) = @_;
 	print "w=", $rectangle->width, ", h=", $rectangle->height, "\n";
@@ -110,6 +149,9 @@ sub load_all_images {
 	$self->{throttle_images} = [
 		load_image_set('img/throttle%d.svg', 13, $h)
 	];
+	$self->{throttle_button_images} = [
+		load_image_set('img/throttle%dbutton.svg', 12, $h)
+	];
 	$self->{fuel_images} = [
 			load_image_set('img/fuel%d.svg', 8, int(0.6 * $h))
 	];
@@ -194,10 +236,11 @@ sub set_image {
 }
 
 sub set_throttle {
-	my ($self, $row, $val) = @_;
+	my ($self, $row, $val, $button) = @_;
 
 	$val = 13 if !defined $val;
-	$self->set_image('image_throttle', $row, 'throttle', $val);
+	$self->set_image('image_throttle', $row,
+		$button ? 'throttle_button' : 'throttle', $val);
 }
 
 sub set_fuel {
diff --git a/SCX/Reader.pm b/SCX/Reader.pm
index ff5894d..59f7ca3 100644
--- a/SCX/Reader.pm
+++ b/SCX/Reader.pm
@@ -442,7 +442,8 @@ sub controller_status_packet {
 		my $byte = $bytes[$car];
 
 		if ($byte == 0xAA) {
-			$self->track->car($car)->set_throttle(undef);
+			$self->track->car($car)->set_throttle(undef, undef,
+				$self->{last_read_time});
 			next;
 		}
 
@@ -450,10 +451,9 @@ sub controller_status_packet {
 		my $backbutton = !($byte & 0x10);
 		my $throttle = $byte & 0x0f;
 
-		$self->track->car($car)->set_throttle($throttle,
+		$self->track->car($car)->set_throttle($throttle, $backbutton,
 			$self->{last_read_time});
 		$self->track->car($car)->set_light($light);
-		$self->track->car($car)->set_backbutton($backbutton);
 	}
 
 	return $msg;
diff --git a/gui.pl b/gui.pl
index 85b994d..3f74cc4 100755
--- a/gui.pl
+++ b/gui.pl
@@ -10,7 +10,7 @@ use SCX::GUI;
 use SCX::Track;
 use SCX::Reader;
 
-my $gui = SCX::GUI->new({ img_height => 100 });
+my $gui = SCX::GUI->new({ img_height => 80 });
 my $track = SCX::Track->new({ gui => $gui });
 
 my $reader;
@@ -72,7 +72,7 @@ if ($reader) {
 	$track->car(2)->set_fuel(8);
 
 	$track->car(0)->set_throttle(0);
-	$track->car(1)->set_throttle(8);
+	$track->car(1)->set_throttle(8, 1);
 	$track->car(2)->set_throttle(12);
 }
 
diff --git a/img/throttle0.svg b/img/throttle0.svg
index b1926bb..dba9a47 100644
--- a/img/throttle0.svg
+++ b/img/throttle0.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle1.svg">
+   sodipodi:docname="throttle0.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -114,13 +114,13 @@
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
      inkscape:zoom="4.3825079"
-     inkscape:cx="36.373762"
+     inkscape:cx="-6.9804097"
      inkscape:cy="107.25171"
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
      inkscape:window-x="0"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,10 +245,29 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle0button.svg b/img/throttle0button.svg
new file mode 100644
index 0000000..a1c0a36
--- /dev/null
+++ b/img/throttle0button.svg
@@ -0,0 +1,273 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle0.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="-6.9804097"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle1.svg b/img/throttle1.svg
index 1d9de7f..bdefca3 100644
--- a/img/throttle1.svg
+++ b/img/throttle1.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle2.svg">
+   sodipodi:docname="throttle1.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -254,7 +254,7 @@
        sodipodi:end="2.7488936"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 42.067227,125.461"
+       d="M 55.073593,144.92641 C 49.502077,139.35489 45.08251,132.74054 42.067227,125.461"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -263,5 +263,24 @@
        style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle10.svg b/img/throttle10.svg
index c5dadab..984bc27 100644
--- a/img/throttle10.svg
+++ b/img/throttle10.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle11.svg">
+   sodipodi:docname="throttle10.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -255,7 +255,7 @@
        sodipodi:end="4.7355553"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 98.889855,42.5161"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -271,7 +271,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="M 97.500001,42.5 A 60,60 0 0 1 142.17892,62.452602"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
        transform="translate(2.5,292.5)"
        sodipodi:start="4.712389"
        sodipodi:end="5.5523973"
@@ -280,7 +280,7 @@
        sodipodi:end="6.2831853"
        sodipodi:start="5.4977871"
        transform="translate(2.5,292.5)"
-       d="M 139.92641,60.073591 A 60,60 0 0 1 157.5,102.5"
+       d="M 139.92641,60.073591 C 151.17859,71.325774 157.5,86.587009 157.5,102.5"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -289,5 +289,24 @@
        style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle10button.svg b/img/throttle10button.svg
new file mode 100644
index 0000000..c92387e
--- /dev/null
+++ b/img/throttle10button.svg
@@ -0,0 +1,312 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle10.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:open="true"
+       sodipodi:end="4.7355553"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:#ffcc00;stroke:#ffcc00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6735"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="4.712389"
+       sodipodi:end="5.5523973"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="6.2831853"
+       sodipodi:start="5.4977871"
+       transform="translate(2.5,292.5)"
+       d="M 139.92641,60.073591 C 151.17859,71.325774 157.5,86.587009 157.5,102.5"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6737"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle11.svg b/img/throttle11.svg
index 1b7d964..0b46b15 100644
--- a/img/throttle11.svg
+++ b/img/throttle11.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle12.svg">
+   sodipodi:docname="throttle11.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -255,7 +255,7 @@
        sodipodi:end="4.7355553"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 98.889855,42.5161"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -271,7 +271,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="M 97.500001,42.5 A 60,60 0 0 1 142.17892,62.452602"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
        transform="translate(2.5,292.5)"
        sodipodi:start="4.712389"
        sodipodi:end="5.5523973"
@@ -280,7 +280,7 @@
        sodipodi:end="6.6758844"
        sodipodi:start="5.4977871"
        transform="translate(2.5,292.5)"
-       d="m 139.92641,60.073591 a 60,60 0 0 1 13.00636,65.387419"
+       d="m 139.92641,60.073591 c 17.15988,17.15988 22.29322,42.966949 13.00636,65.387419"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -289,5 +289,24 @@
        style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle11button.svg b/img/throttle11button.svg
new file mode 100644
index 0000000..3befd44
--- /dev/null
+++ b/img/throttle11button.svg
@@ -0,0 +1,312 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle11.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:open="true"
+       sodipodi:end="4.7355553"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:#ffcc00;stroke:#ffcc00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6735"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="4.712389"
+       sodipodi:end="5.5523973"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="6.6758844"
+       sodipodi:start="5.4977871"
+       transform="translate(2.5,292.5)"
+       d="m 139.92641,60.073591 c 17.15988,17.15988 22.29322,42.966949 13.00636,65.387419"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6737"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle12.svg b/img/throttle12.svg
index ffad572..03f8452 100644
--- a/img/throttle12.svg
+++ b/img/throttle12.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle0.svg">
+   sodipodi:docname="throttle12.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -255,7 +255,7 @@
        sodipodi:end="4.7355553"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 98.889855,42.5161"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -271,7 +271,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="M 97.500001,42.5 A 60,60 0 0 1 142.17892,62.452602"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
        transform="translate(2.5,292.5)"
        sodipodi:start="4.712389"
        sodipodi:end="5.5523973"
@@ -281,7 +281,7 @@
        sodipodi:end="7.0685835"
        sodipodi:start="5.4977871"
        transform="translate(2.5,292.5)"
-       d="m 139.92641,60.073591 a 60,60 0 0 1 0,84.852819"
+       d="m 139.92641,60.073591 c 23.43145,23.431457 23.43146,61.421359 0,84.852819 0,0 0,0 0,0"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -289,5 +289,24 @@
        id="path6737"
        style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle12button.svg b/img/throttle12button.svg
new file mode 100644
index 0000000..c2ab040
--- /dev/null
+++ b/img/throttle12button.svg
@@ -0,0 +1,312 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle12.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:open="true"
+       sodipodi:end="4.7355553"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:#ffcc00;stroke:#ffcc00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6735"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="4.712389"
+       sodipodi:end="5.5523973"
+       sodipodi:open="true" />
+    <path
+       sodipodi:open="true"
+       sodipodi:end="7.0685835"
+       sodipodi:start="5.4977871"
+       transform="translate(2.5,292.5)"
+       d="m 139.92641,60.073591 c 23.43145,23.431457 23.43146,61.421359 0,84.852819 0,0 0,0 0,0"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6737"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc" />
+    <path
+       style="fill:#666666;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;fill-opacity:1"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="m 105,155.34059 c 0,-25.27825 11.20644,-49.25581 30.59908,-65.470474"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle13.svg b/img/throttle13.svg
index c3a4505..995574b 100644
--- a/img/throttle13.svg
+++ b/img/throttle13.svg
@@ -104,14 +104,14 @@
      borderopacity="1.0"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="4.3825079"
-     inkscape:cx="36.830122"
-     inkscape:cy="107.25171"
+     inkscape:zoom="2.191254"
+     inkscape:cx="82.835915"
+     inkscape:cy="52.264305"
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
-     showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
+     showgrid="false"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
      inkscape:window-x="0"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
@@ -241,5 +241,23 @@
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
        sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,70"
+       id="path3014"
+       inkscape:connector-curvature="0" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
   </g>
 </svg>
diff --git a/img/throttle1button.svg b/img/throttle1button.svg
new file mode 100644
index 0000000..71510d0
--- /dev/null
+++ b/img/throttle1button.svg
@@ -0,0 +1,286 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle1.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="2.7488936"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 49.502077,139.35489 45.08251,132.74054 42.067227,125.461"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle2.svg b/img/throttle2.svg
index 0c81a83..612b246 100644
--- a/img/throttle2.svg
+++ b/img/throttle2.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle3.svg">
+   sodipodi:docname="throttle2.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -254,7 +254,7 @@
        sodipodi:end="3.1415927"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 37.5,102.5"
+       d="M 55.073593,144.92641 C 43.82141,133.67422 37.499999,118.41299 37.5,102.5"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -263,5 +263,24 @@
        style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle2button.svg b/img/throttle2button.svg
new file mode 100644
index 0000000..5bb9b9b
--- /dev/null
+++ b/img/throttle2button.svg
@@ -0,0 +1,286 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle2.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="3.1415927"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 43.82141,133.67422 37.499999,118.41299 37.5,102.5"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle3.svg b/img/throttle3.svg
index d8b7408..9003a87 100644
--- a/img/throttle3.svg
+++ b/img/throttle3.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle4.svg">
+   sodipodi:docname="throttle3.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -254,7 +254,7 @@
        sodipodi:end="3.5342917"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 42.067227,79.538996"
+       d="M 55.073593,144.92641 C 37.913714,127.76653 32.780368,101.95946 42.067227,79.538996"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -263,5 +263,24 @@
        style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle3button.svg b/img/throttle3button.svg
new file mode 100644
index 0000000..0508e3a
--- /dev/null
+++ b/img/throttle3button.svg
@@ -0,0 +1,286 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle3.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="3.5342917"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 37.913714,127.76653 32.780368,101.95946 42.067227,79.538996"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle4.svg b/img/throttle4.svg
index f615e2c..4d1f8a7 100644
--- a/img/throttle4.svg
+++ b/img/throttle4.svg
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -254,7 +254,7 @@
        sodipodi:end="3.9269908"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="m 55.073593,144.92641 a 60,60 0 0 1 -1e-6,-84.852816"
+       d="M 55.073593,144.92641 C 31.642136,121.49495 31.642136,83.505051 55.073592,60.073594"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -263,5 +263,24 @@
        style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle4button.svg b/img/throttle4button.svg
new file mode 100644
index 0000000..f540fe7
--- /dev/null
+++ b/img/throttle4button.svg
@@ -0,0 +1,286 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle4.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="3.9269908"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642136,121.49495 31.642136,83.505051 55.073592,60.073594"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle5.svg b/img/throttle5.svg
index 61c6897..dbe096a 100644
--- a/img/throttle5.svg
+++ b/img/throttle5.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle6.svg">
+   sodipodi:docname="throttle5.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -254,7 +254,7 @@
        sodipodi:end="4.3196899"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 74.538994,47.067228"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 5.571515,-5.571515 12.185865,-9.991083 19.4654,-13.006365"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -263,5 +263,24 @@
        style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle5button.svg b/img/throttle5button.svg
new file mode 100644
index 0000000..bfd358c
--- /dev/null
+++ b/img/throttle5button.svg
@@ -0,0 +1,286 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle5.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="4.3196899"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 5.571515,-5.571515 12.185865,-9.991083 19.4654,-13.006365"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle6.svg b/img/throttle6.svg
index 0198a0d..06ef668 100644
--- a/img/throttle6.svg
+++ b/img/throttle6.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle7.svg">
+   sodipodi:docname="throttle6.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -254,7 +254,7 @@
        sodipodi:end="4.712389"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 97.500001,42.5"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.325777,48.82141 81.587012,42.5 97.500001,42.5"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -263,5 +263,24 @@
        style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle6button.svg b/img/throttle6button.svg
new file mode 100644
index 0000000..0751fba
--- /dev/null
+++ b/img/throttle6button.svg
@@ -0,0 +1,286 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle6.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="4.712389"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.325777,48.82141 81.587012,42.5 97.500001,42.5"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle7.svg b/img/throttle7.svg
index 3989948..515e2bc 100644
--- a/img/throttle7.svg
+++ b/img/throttle7.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle8.svg">
+   sodipodi:docname="throttle7.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -255,7 +255,7 @@
        sodipodi:end="4.7355553"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 98.889855,42.5161"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -271,10 +271,29 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 97.500001,42.5 a 60,60 0 0 1 22.961009,4.567229"
+       d="m 97.500001,42.5 c 7.879309,0 15.681469,1.551946 22.961009,4.567229"
        transform="translate(2.5,292.5)"
        sodipodi:start="4.712389"
        sodipodi:end="5.1050881"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle7button.svg b/img/throttle7button.svg
new file mode 100644
index 0000000..32c7876
--- /dev/null
+++ b/img/throttle7button.svg
@@ -0,0 +1,299 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle7.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:open="true"
+       sodipodi:end="4.7355553"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:#ffcc00;stroke:#ffcc00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6735"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 97.500001,42.5 c 7.879309,0 15.681469,1.551946 22.961009,4.567229"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="4.712389"
+       sodipodi:end="5.1050881"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle8.svg b/img/throttle8.svg
index 3ae361c..f3939b5 100644
--- a/img/throttle8.svg
+++ b/img/throttle8.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle9.svg">
+   sodipodi:docname="throttle8.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -255,7 +255,7 @@
        sodipodi:end="4.7355553"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 98.889855,42.5161"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -271,10 +271,29 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="M 97.500001,42.5 A 60,60 0 0 1 139.92641,60.073591"
+       d="m 97.500001,42.5 c 15.912989,0 31.174219,6.32141 42.426409,17.573591"
        transform="translate(2.5,292.5)"
        sodipodi:start="4.712389"
        sodipodi:end="5.4977871"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle8button.svg b/img/throttle8button.svg
new file mode 100644
index 0000000..3818123
--- /dev/null
+++ b/img/throttle8button.svg
@@ -0,0 +1,299 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle8.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:open="true"
+       sodipodi:end="4.7355553"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:#ffcc00;stroke:#ffcc00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6735"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 97.500001,42.5 c 15.912989,0 31.174219,6.32141 42.426409,17.573591"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="4.712389"
+       sodipodi:end="5.4977871"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/img/throttle9.svg b/img/throttle9.svg
index 37f233c..a1a4c4f 100644
--- a/img/throttle9.svg
+++ b/img/throttle9.svg
@@ -16,7 +16,7 @@
    id="svg4265"
    version="1.1"
    inkscape:version="0.48.0 r9654"
-   sodipodi:docname="throttle10.svg">
+   sodipodi:docname="throttle9.svg">
   <defs
      id="defs4267">
     <linearGradient
@@ -119,9 +119,9 @@
      inkscape:current-layer="layer1"
      inkscape:document-units="px"
      showgrid="true"
-     inkscape:window-width="1900"
-     inkscape:window-height="1120"
-     inkscape:window-x="0"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="1600"
      inkscape:window-y="0"
      inkscape:window-maximized="1">
     <inkscape:grid
@@ -140,7 +140,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
+        <dc:title />
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -245,7 +245,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="m 55.073593,144.92641 a 60,60 0 1 1 84.852817,0"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
        transform="translate(2.5,292.5)"
        sodipodi:start="2.3561945"
        sodipodi:end="7.0685835"
@@ -255,7 +255,7 @@
        sodipodi:end="4.7355553"
        sodipodi:start="2.3561945"
        transform="translate(2.5,292.5)"
-       d="M 55.073593,144.92641 A 60,60 0 0 1 98.889855,42.5161"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -271,7 +271,7 @@
        sodipodi:cy="102.5"
        sodipodi:rx="60"
        sodipodi:ry="60"
-       d="M 97.500001,42.5 A 60,60 0 0 1 142.17892,62.452602"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
        transform="translate(2.5,292.5)"
        sodipodi:start="4.712389"
        sodipodi:end="5.5523973"
@@ -280,7 +280,7 @@
        sodipodi:end="5.8904862"
        sodipodi:start="5.4977871"
        transform="translate(2.5,292.5)"
-       d="m 139.92641,60.073591 a 60,60 0 0 1 13.00636,19.465402"
+       d="m 139.92641,60.073591 c 5.57151,5.571515 9.99108,12.185866 13.00636,19.465402"
        sodipodi:ry="60"
        sodipodi:rx="60"
        sodipodi:cy="102.5"
@@ -289,5 +289,24 @@
        style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
        sodipodi:type="arc"
        sodipodi:open="true" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#666666;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.599077,300.12988)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+    <path
+       style="fill:none;stroke:#272020;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 94.741514,380.12988 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
   </g>
 </svg>
diff --git a/img/throttle9button.svg b/img/throttle9button.svg
new file mode 100644
index 0000000..17e1870
--- /dev/null
+++ b/img/throttle9button.svg
@@ -0,0 +1,312 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:osb="http://www.openswatchbook.org/uri/2009/osb"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="200"
+   height="200"
+   id="svg4265"
+   version="1.1"
+   inkscape:version="0.48.0 r9654"
+   sodipodi:docname="0throttle9.svg.svg">
+  <defs
+     id="defs4267">
+    <linearGradient
+       id="linearGradient6758">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6760" />
+      <stop
+         style="stop-color:#3a2f2f;stop-opacity:1;"
+         offset="1"
+         id="stop6762" />
+    </linearGradient>
+    <linearGradient
+       osb:paint="gradient"
+       id="linearGradient6391">
+      <stop
+         id="stop6393"
+         offset="0"
+         style="stop-color:#03ff18;stop-opacity:1;" />
+      <stop
+         style="stop-color:#ffcc00;stop-opacity:1;"
+         offset="0.62396693"
+         id="stop6395" />
+      <stop
+         id="stop6397"
+         offset="1"
+         style="stop-color:#d40000;stop-opacity:1;" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6383"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#000000;stop-opacity:1;"
+         offset="0"
+         id="stop6385" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6348"
+       osb:paint="gradient">
+      <stop
+         style="stop-color:#03ff18;stop-opacity:1;"
+         offset="0"
+         id="stop6350" />
+      <stop
+         id="stop6364"
+         offset="0.62025315"
+         style="stop-color:#ffcc00;stop-opacity:1;" />
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="1"
+         id="stop6352" />
+    </linearGradient>
+    <linearGradient
+       id="linearGradient6306"
+       osb:paint="solid">
+      <stop
+         style="stop-color:#d40000;stop-opacity:1;"
+         offset="0"
+         id="stop6308" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6348"
+       id="linearGradient6362"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132"
+       gradientUnits="userSpaceOnUse" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6391"
+       id="linearGradient6389"
+       gradientUnits="userSpaceOnUse"
+       x1="42"
+       y1="103.7132"
+       x2="163"
+       y2="103.7132" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient6758"
+       id="linearGradient6764"
+       x1="152.5"
+       y1="162.5"
+       x2="57.5"
+       y2="32.5"
+       gradientUnits="userSpaceOnUse" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="4.3825079"
+     inkscape:cx="36.373762"
+     inkscape:cy="107.25171"
+     inkscape:current-layer="layer1"
+     inkscape:document-units="px"
+     showgrid="true"
+     inkscape:window-width="1580"
+     inkscape:window-height="1121"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid4273"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata4270">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     transform="translate(0,-280)">
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 100,295 0,15"
+       id="path5762"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-92.5" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6312"
+       d="m 138.26834,302.61205 -5.74025,13.85819"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-35.398215" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,465.71068 10.606602,-10.6066"
+       id="path6314"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="35.398215"
+       inkscape:connector-curvature="0"
+       id="path6316"
+       d="M 7.6120467,433.26834 21.47024,427.52809"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 0,395 15,0"
+       id="path6318"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-x="92.5" />
+    <path
+       inkscape:transform-center-y="-35.398215"
+       inkscape:connector-curvature="0"
+       id="path6320"
+       d="M 7.6120467,356.73166 21.47024,362.47191"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="85.458857" />
+    <path
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 29.289322,324.28932 10.606602,10.6066"
+       id="path6322"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-65.40738"
+       inkscape:transform-center-x="65.407377" />
+    <path
+       inkscape:transform-center-y="-85.458855"
+       inkscape:connector-curvature="0"
+       id="path6324"
+       d="m 61.731657,302.61205 5.740251,13.85819"
+       style="fill:none;stroke:#008000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="35.398218" />
+    <path
+       inkscape:transform-center-x="-85.458855"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 192.38795,356.73166 -13.85819,5.74025"
+       id="path6326"
+       inkscape:connector-curvature="0"
+       inkscape:transform-center-y="-35.398215" />
+    <path
+       inkscape:transform-center-y="-65.40738"
+       inkscape:connector-curvature="0"
+       id="path6328"
+       d="m 170.71067,324.28932 -10.6066,10.6066"
+       style="fill:#d4aa00;stroke:#d4aa00;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-y="65.40738"
+       inkscape:connector-curvature="0"
+       id="path6330"
+       d="m 170.71067,465.71068 -10.6066,-10.6066"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-65.40737" />
+    <path
+       inkscape:transform-center-x="-92.5"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 200,395 -15,0"
+       id="path6332"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path6334"
+       d="m 192.38795,433.26834 -13.85819,-5.74025"
+       style="fill:#d40000;stroke:#d40000;stroke-width:4;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       inkscape:transform-center-x="-85.458855"
+       inkscape:transform-center-y="35.398215" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:url(#linearGradient6764);stroke-width:40;stroke-linecap:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6731"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 55.073593,144.92641 c -23.431458,-23.43146 -23.431457,-61.42136 10e-7,-84.852817 23.431457,-23.431458 61.421356,-23.431457 84.852816,10e-7 23.43145,23.431457 23.43145,61.421356 0,84.852816 0,0 0,0 0,0"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="2.3561945"
+       sodipodi:end="7.0685835"
+       sodipodi:open="true" />
+    <path
+       sodipodi:open="true"
+       sodipodi:end="4.7355553"
+       sodipodi:start="2.3561945"
+       transform="translate(2.5,292.5)"
+       d="M 55.073593,144.92641 C 31.642135,121.49495 31.642136,83.50505 55.073594,60.073593 66.666757,48.48043 82.499046,42.136317 98.889855,42.5161"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6733"
+       style="fill:none;stroke:#66ff00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:#ffcc00;stroke:#ffcc00;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path6735"
+       sodipodi:cx="97.5"
+       sodipodi:cy="102.5"
+       sodipodi:rx="60"
+       sodipodi:ry="60"
+       d="m 97.500001,42.5 c 17.051569,0 33.297739,7.255174 44.678919,19.952602"
+       transform="translate(2.5,292.5)"
+       sodipodi:start="4.712389"
+       sodipodi:end="5.5523973"
+       sodipodi:open="true" />
+    <path
+       sodipodi:end="5.8904862"
+       sodipodi:start="5.4977871"
+       transform="translate(2.5,292.5)"
+       d="m 139.92641,60.073591 c 5.57151,5.571515 9.99108,12.185866 13.00636,19.465402"
+       sodipodi:ry="60"
+       sodipodi:rx="60"
+       sodipodi:cy="102.5"
+       sodipodi:cx="97.5"
+       id="path6737"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-linecap:butt;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       sodipodi:type="arc"
+       sodipodi:open="true" />
+    <path
+       style="fill:#666666;fill-opacity:1;stroke:#666666;stroke-width:20;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 95,380 0,75"
+       id="path3014"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       sodipodi:type="arc"
+       style="fill:none;stroke:#ff0000;stroke-width:20;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="path3784"
+       sodipodi:cx="190.34059"
+       sodipodi:cy="155.34059"
+       sodipodi:rx="85.340591"
+       sodipodi:ry="85.340591"
+       d="M 105,155.34059 A 85.340591,85.340591 0 0 1 135.59908,89.870116"
+       transform="translate(-10.340591,300)"
+       sodipodi:start="3.1415927"
+       sodipodi:end="4.0160053"
+       sodipodi:open="true" />
+  </g>
+</svg>
diff --git a/slotcarman.glade b/slotcarman.glade
index 2f002d7..6b2f874 100644
--- a/slotcarman.glade
+++ b/slotcarman.glade
@@ -4,6 +4,7 @@
   <!-- interface-naming-policy project-wide -->
   <object class="GtkWindow" id="slotcarman">
     <property name="title" translatable="yes">Slot Cars Race Manager</property>
+    <signal name="key-release-event" handler="hotkey" swapped="no"/>
     <child>
       <object class="GtkVBox" id="vbox1">
         <property name="visible">True</property>
@@ -130,6 +131,21 @@
                 <property name="use_action_appearance">False</property>
                 <property name="label" translatable="yes">_View</property>
                 <property name="use_underline">True</property>
+                <child type="submenu">
+                  <object class="GtkMenu" id="menu9">
+                    <property name="visible">True</property>
+                    <child>
+                      <object class="GtkImageMenuItem" id="imagemenuitem90">
+                        <property name="label">gtk-fullscreen</property>
+                        <property name="visible">True</property>
+                        <property name="use_action_appearance">False</property>
+                        <property name="use_underline">True</property>
+                        <property name="use_stock">True</property>
+                        <signal name="activate" handler="fullscreen" swapped="no"/>
+                      </object>
+                    </child>
+                  </object>
+                </child>
               </object>
             </child>
             <child>
@@ -1121,12 +1137,6 @@
                 <property name="bottom_attach">3</property>
               </packing>
             </child>
-            <child>
-              <placeholder/>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
             <child>
               <object class="GtkVBox" id="vbox9">
                 <property name="visible">True</property>
@@ -1277,6 +1287,12 @@
                 <property name="bottom_attach">13</property>
               </packing>
             </child>
+            <child>
+              <placeholder/>
+            </child>
+            <child>
+              <placeholder/>
+            </child>
           </object>
           <packing>
             <property name="position">3</property>