Locking Sources

Lock a source to a specific frame. For the duration of the clip, only the source front and source matte at the selected frame is used.

To lock a source:

1. Select the source you want to lock.

2. Using the playback controls, choose the frame at which you want to lock the clip.

3. In the Paint Sources list, click the Lock column.

   

   A check mark appears in the Lock column of each selected source.