Apple Final Cut Pro 7 - Manual (Page 500)

Important: While editing, make sure that Source controls are connected to the Destination
controls for the correct tracks. If you don’t, individual video or audio items in your source
clip will end up in the wrong tracks in the Timeline.
V1, A1, and A2
are selected as
destination tracks.
To assign a source clip item to a destination track in the Timeline
Do one of the following:
µ
Control-click a Source control, then choose a new destination track from the shortcut
menu.
µ
Control-click a Destination control, then select a Source control to assign to it.
µ
Drag a Source control so that it connects to a Destination control.
µ
Click a Destination control; the nearest Source control above is assigned to it.
To assign the v1 Source control to a destination video track
µ
Press F6 and the number of the video track you want to assign as the destination track
(this works for tracks 1 through 9).
To assign the a1 Source control to a destination audio track
µ
Press F7 and the number of the audio track you want to assign as the destination track
(this works for tracks 1 through 9).
To assign the a2 Source control to a destination audio track
µ
Press F8 and the number of the audio track you want to assign as the destination track
(this works for tracks 1 through 9).
For example, to assign the a2 source clip item to sequence track A4, press F8 and then
press 4.
Changing Source and Destination Control Connections
You can change source and destination track assignments in the Timeline in several ways.
500 Chapter 34 Working with Tracks in the Timeline