k to this heading"></a></h2>
<ul>
<li><p>My playback is too slow.  How can I improve it?</p>
<p>Check that you have:</p>
<blockquote>
<div><ul>
<li><p>Window-&gt;Preferences</p>
<ul>
<li><p>OpenGL</p>
<p>Color Buffers’ Accuracy set to Automatic (preferred) or Fast.</p>
</li>
<li><p>Thumbnails</p>
<p>Preview Thumbnails Above Timeline off.</p>
</li>
<li><p>Playback</p>
<p>Auto Hide Pixel Bar checked
or optionally hide the pixel bar or set the UI to presentation mode.</p>
</li>
</ul>
</li>
<li><p>Panel-&g