Apple Final Cut Pro 6 - Manual (Page 552)

Chapter 14 Linking and Editing Video and Audio in Sync 219
II
To link unrelated clip items in the Timeline:
1 Arrange audio and video clip items in their respective tracks so that they line up the
way you want them to.
2 Select up to one video clip item and up to 24 audio items on different tracks in
the Timeline.
3 Choose Modify > Link (or press Command-L).
Video and audio clip
items are not linked
together.
Select video and
audio clip item that
you want to link.