Apple Final Cut Pro 5 - Manual (Page 912)

Chapter 7 Mixing Audio in the Timeline and Viewer 125
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To adjust a section of an overlay in the middle of four keyframes:
m Move the pointer over the section you want to adjust. When it turns into the Adjust
Line Segment pointer, drag the section up or down to modify it. The rest of the overlay
before and after the four keyframes remains untouched.
To move a keyframe forward or backward in time:
m Place the pointer over the keyframe you want to modify. When it becomes a crosshair
pointer, drag the keyframe forward or backward along the overlay.
As you drag, a box displays the timecode duration of the change you’re making.
Adjust Line Segment
pointer
Keyframe being moved