System information
Bypass the motion blur envelope
If you've applied a motion blur envelope to the video  bus track, the envelope affects all tracks. To bypass 
motion blur  for a track, select the Bypass  Motion Blur button   in the track header.
For more information, see "Video Bus Track" on page 248.
Apply track motion
Click the Track Motion button   to display the Track Motion window.
You can use this window to animate a video track or create picture-in-picture effects.
For more information, see "Editing Track Motion" on page 286.
Apply effects to a track
Click the Track FX button   to add or edit track-level video effects. Track effects are applied to every event 
on the selected track.
For more information, see "Applying video effects" on page 315.
Mute a track
Click the Mute  button   to prevent  a track from being played in the mix. Click the Mute  button on 
additional tracks to add them to the mute group. To unmute  a track, click the Mute  button again.
Muting or unmuting a track
1. 
Deselect the Automation Settings button  .
2. 
Click the Mute  button  .
When you have a group       of tracks muted, hold Ctrl while clicking the Mute       button on an 
unmuted track to remove all other tracks from the mute group.       Hold Ctrl while clicking the 
Mute       button on a muted track to reset all Mute      buttons.
When you have multiple levels of parent and child tracks, clicking the Mute button   on a parent track 
mutes the parent track and its compositing children.
In the sample track list, muting track 1 will mute tracks 1 through 6.
Muting track 4 will mute tracks 4 through 6.
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