Lock or Unlock a Track Timeline edits apply to the clips and elements on every unlocked track. Locking a track prevents the editing of the clips and elements within the locked track. For example, to increase the volume for a selection on the Audio 1 track with low volume, lock the Audio 2 and Audio 3 tracks to apply the volume change only to the Audio 1 track. Lock a Track Click the Unlock button next to the track name. Timeline edits can still affect hidden tracks. See Display a Timeline Track. Unlock a Track Click the Lock button next to the track name.
next to the track name.
next to the track name.