Playing Back Track Material : Playing Selections : Auditioning Start and End Points for Selections : Auditioning End Points
 
Auditioning End Points
To audition a selection end point:
*Press Option+Right Arrow (Mac) or Alt+Right Arrow (Windows).
To audition a selection end point with post-roll:
*Press Command+Option+Right Arrow (Mac) or Control+Alt+Right Arrow (Windows).
When auditioning the end of a selection, playback begins before the end point by the pre-roll amount.