Apple Final Cut Express HD - Manual (Page 351)

Chapter 25 Three-Point Editing 351
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4 Choose Mark > Mark Clip (or press X) to set In and Out points around the gap.
Note: You must select the Auto Select controls for the tracks containing the gap. For
more information, see “
Using Auto Select to Specify Tracks for Selections ” on page 370.
5 If you do an overwrite edit, you’ll see that your clip, defined by the In and Out points in
your sequence, has been edited into the sequence.
In and Out points
The new clip fills
the gap.