Apple Logic Pro 9 - Manual (Page 763)

While Group Clutch is activated, all Group slots change color—from yellow (normal) to
a light gray (all groups temporarily disabled).
Automating Mixer Groups
When you are automating your mix functions (volume, pan, mute, and so on), any channel
strip group member can act as the mix automation master for that group. When you use
that group member to write an automation parameter value, it is also written for the
other group members, depending on their automation mode.
The data is written individually for each channel strip. As a result, you can disable the
group later without affecting the automation of any group member—and you can edit
or change channel strips individually when they are removed from the group.
For details about automation, see Working with Automation .
Muting Channel Strips
Use the channel strip mute function to remove individual channel strips from the main
signal flow (turning off the channel strip) or to remove any unwanted region sections.
The channel strip mute function is also useful when you are setting channel strip levels
and setting the Pan, Balance, or Surround Position.
To mute a channel strip
µ
Click the channel strip’s Mute button (marked with an M).
Click the button a second time to restore the channel strip to its previous level.
Note: When Track Mute/Solo is set to Fast (in the General pane of Audio preferences),
clicking a channel strip’s Mute button always activates the corresponding Track Mute
button in the Arrange area. See
Muting Tracks in the Arrange Area .
763 Chapter 27 Mixing