5.5

17 Working with Trim Edits
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Preroll length text box (top left), postroll length text box (top right), and transition effect duration
text box (bottom)
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You must display two rows of buttons in the Composer window to see the trim controls. For
more information, see “Composer Settings” on page 1247.
4. To stop the playback loop, click the Play Loop button again.
5. To deselect trim points, click the Source/Record Mode button.
To review footage starting from the previous transition:
1. Move the position indicator to the transition you want to review.
2. Click the Edit Review button.
The position indicator moves before the previous transition and begins to play.
In a sequence with multiple selected tracks, the Edit Review command moves the
position indicator before the first set of edits that line up on all the selected tracks.
3. To stop play, press the space bar.
Trimming On-the-Fly
You can use the J-K-L keys on the keyboard to play outgoing or incoming material and mark
trim points. This is similar to the procedure for marking footage on-the-fly, as described in
“Marking and Subcataloging Footage” on page 516.
For convenience, this method isolates the trim controls to just three keys.
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When trimming with the J-K-L keys, you cannot completely trim away all frames in a
segment. Your Avid editing application always leaves one frame. To remove the remaining
frame, see “Refining Trims” on page 722.
To trim on-the-fly:
1. Click either the outgoing (A-side) or incoming (B-side) monitor to play in real time
during the trim.
2. Select one or more transitions for overwrite trimming, ripple trimming, or dual-roller
trimming.
For more information, see “Selecting Trim Sides” on page 714.
3. Use the J-K-L keys to step (jog), play, or shuttle through the footage at varying speeds: