Playing Back Track Material : Dynamic Transport Mode : Changing the Timeline Selection Start or End Markers:
 
Changing the Timeline Selection Start or End Markers:
To change the Timeline Selection Start or End Markers:
1. Make a Timeline selection with the Selector tool by dragging in the Main Timebase ruler. If the Link Timeline and Edit Selection option is enabled, you can make an Edit selection with the Selector or any of the Grabber tools.
2. With any Edit tool selected, drag either the Timeline Selection Start or End Markers left or right, extending or constricting the Timeline selection.
*Changes to the Timeline selection during playback temporarily interrupt playback. To minimize this interruption, reduce the AAE Playback Buffer size in the Playback Engine dialog.