Apple Final Cut Pro 7 - Manual (Page 601)

2 Choose Move Others into Sync from the shortcut menu.
Before syncing
After syncing
To slip all out-of-sync clip items into sync with the anchor item
1 In the Timeline, Control-click the out-of-sync indicator on the anchor clip item—either
the sole video item in a group of linked items, or the topmost audio item if there is no
video item among the linked items.
Before syncing
601 Chapter 40 Linking and Editing Video and Audio in Sync