Apple Final Cut Pro 5 - Manual (Page 403)

68 Part I Organizing Footage and Preparing to Edit
To extend a marker’s duration by entering a timecode value:
1 Move the playhead to the marker.
2 Do one of the following:
 Press M.
 Click the Add Marker button.
 Choose Mark > Markers > Edit.
 Press Option-Command-M to edit the marker to the left.
3 In the Edit Marker dialog, enter a duration value.
An extended duration marker appears in the scrubber bar.
To shorten a marker that has a duration:
1 Position the playhead within the duration of the marker.
2 Do one of the following:
 Choose Mark > Markers > Extend.
 Press Option-` (accent key).
The marker is shortened to the location of the playhead.
Enter the desired
marker duration here.