User`s guide

Chapter 1 Desktop
86
Lock Button
The Lock button lets you lock and unlock a track. Locking a track is useful if you do not
want to accidentally change a track.
The track is unlocked by default, which allows you to make changes to the track and its
contents.
When the track is locked, its media and filter selection controls appear dimmed and you
cannot alter the track’s content. Furthermore, all tracks nested within the locked track are
locked.
Track Media Button
Click the Media button to choose the type of media to use for the track. Each media type
displays a different button in the timeline window.
Lock button
Movie
File
Opens a dialog box that allows you to choose a movie file to use as the
track media. Supported formats include QuickTime and AVI.
Media button