Apple Final Cut Pro 7 - Manual (Page 575)

2 Copy the clip items by pressing Command-C.
3 Position the playhead where you want to paste the items.
4 Option-click the track V2 Auto Select control.
The video clip item will now be pasted into track V2.
5 Option-click the track A2 Auto Select control to set the lowest-numbered audio paste
destination track.
The lowest-numbered audio track for pasting is now set to A2.
6 Paste the clip items by pressing Command-V.
Track V2 becomes the
pasting destination after
Auto Select is enabled.
Track A2 becomes the
pasting destination after
Auto Select is enabled.
Note: Track Source and Destination controls have no effect on copying and pasting.
575 Chapter 38 Arranging Clips in the Timeline