ault">update_default ()</a></td>
	<td class="summary">copy buffer to screen.</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#ping">ping ()</a></td>
	<td class="summary">restart screen saver timer</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#update_low_battery">update_low_battery ()</a></td>
	<td class="summary">low battery screen update</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#aa">aa (state)</a></td>
	<td class="summary">enable/disable anti-aliasing.</td>
	</tr>
	<tr>
	<td class="na