System information
To change the length of the transition for cuts that  are converted to transitions, use the Cut-to-
overlap conversion settings on the Editing  tab of the Preferences dialog. For more information, see 
"Preferences - Editing Tab" on page 601.
Changing the speed/duration of a transition
After you've added a transition to an event, you can easily  adjust its duration, which will change the speed 
at which the transition  occurs.
Adjusting a transition at the beginning or end of an event
1. 
Hover over the edge of the transition until the fade cursor   is displayed.
2.  Drag the edge of the transition to set its new length:
Adjusting a transition between two events
Drag either of the events to change the amount of overlap between them. The transition length is updated 
to match the overlapping area:
Right-click a track header   and choose Expand Track  Layers from the shortcut menu to reveal the A roll, B 
roll, and  transition roll. In this view, sequential clips alternate between the  A and B rolls, and the overlapping 
area between events is represented  by the transition roll.
Adding a transition progress envelope
Normally, a transition progresses from 0 to 100% in a linear  fashion over the length of the transition. A 
transition progress envelope  gives you complete control over a transition: you can hold, reverse, and  repeat 
individual transitions.
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