User Manual

Understanding Sync Lock
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Trim the exact number of sync-break frames displayed in the Timeline to reverse the break.
For more information on performing trims, see “Working with Trim Edits” on page 687.
To fix sync when Segment editing:
t Select and move the entire out-of-sync segment.
You can move the segment forward or backward in the opposite direction of the break to
reverse it. For more information on editing segments, see “Working with Segments” on
page 650.
To customize the Sync Breaks display:
t Click the Timeline Fast Menu button, and select Sync Breaks > option.
Understanding Sync Lock
The Sync Lock feature lets you maintain sync among several tracks while you add, move, trim,
or remove material in a sequence. For example, if you insert an edit into one track that is sync
locked to a second track, the system automatically inserts filler in the second track to maintain
sync between the two.
Sync Lock icon (top) and Sync Lock All button (bottom) in the Track Selector Panel
There are several unique aspects to sync locking:
• You control sync lock by the Segment Drag Sync Locks option in the Edit tab of the
Timeline Settings dialog and the Sync Lock icons in the Timeline. For more information on
sync locking tracks, see “Maintaining Sync with Segment Edits” on page 655.
• When trimming, sync lock applies only to single-roller trims because dual-roller trims do
not break sync. For more information on sync locking tracks when trimming, see
“Maintaining Sync While Trimming” on page 704.
• You can sync lock any number of tracks in any combination. The tracks do not require
matching timecode or common sources and can include multiple video tracks as well as
audio tracks.
• Sync lock affects entire tracks. This means that parallel segments in other sync-locked tracks
are affected when you add, move, trim, or remove material anywhere in the sequence.