Apple Final Cut Pro 5 - Manual (Page 770)

Chapter 24 Matching Frames and Playhead Synchronization 435
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To synchronize (or gang) the Viewer and Canvas/Timeline playheads:
m In the Viewer or Canvas, choose an option from the Playhead Sync pop-up menu—
Sync Off, Open, or Gang.
The playhead sync options are:
 Sync Off: Disables playhead sync. This is the default behavior.
 Open: Automatically opens the sequence clip beneath the Canvas/Timeline
playhead in the Viewer. The Viewer playhead is set to the same frame as the
Canvas/Timeline playhead.
 Gang: You can sync the clip in the Viewer with the sequence in the Canvas and
Timeline arbitrarily, regardless of what clips or sequences are open. You set a new
sync relationship between the Canvas/Timeline and Viewer playheads each time you
choose the Gang option from the Playhead Sync pop-up menu.
For more details about each option, see the next few sections.
Using the Open Playhead Sync Option
The Open playhead sync option opens the sequence clip at the current location of the
Canvas/Timeline playhead in the Viewer. Navigating from one clip to the next in the
Canvas or Timeline causes the corresponding sequence clips to open in the Viewer. The
tab currently selected in the Viewer remains the selected tab, even though a new clip
has been opened in the Viewer.
The Open ganging option is useful for making filter adjustments to multiple clips in a
sequence. For example, if you have multiple clips that have color correction filters
applied to them, you can move the playhead from clip to clip, and the Color Corrector
tab changes to the current clip’s filter settings.
Playhead Sync pop-up
menu in the Viewer