<ul id="navlist">
<li id="navPos">Position</li>
<li id="navGrav">Gravity</li>
+<li id="navSound">Sound</li>
<li id="navDev">Device</li>
<li id="navOther">Other</li>
</ul>
</div>
</section>
+<section id="sectSound">
+<p id="soundunavail">
+Sound sensors are unavailable on this tricorder device.
+<br/>Please talk to your superior officer or Starfleet contact to acquire
+a better device.
+</p>
+<div id="soundavail" style="display:none">
+<canvas id="soundcanvas" width="300" height="300"></canvas>
+</div>
+</section>
+
<section id="sectDev">
<table>
<tr><td>Battery Level:</td><td id="devBattLevel" class="deviceVal">...</td></tr>