System information
If no track effects exist, clicking the Track FX button will       display the Plug-In Chooser. Effects 
that can be automated are indicated       by the   icon in the chooser. The first time you select a 
plug-in,       the application will determine whether it can be automated and will update       the plug-
in's icon and add it to the Automatable      folder in the Plug-In Chooser.
2.  Click an effect button at the top of  the FX Automation Chooser. A list of the effect's automatable 
parameters  is displayed:
3.  Clear the check box for the automation you want to remove.
4.  Click OK to close the FX Automation Chooser. The envelope is removed from  the timeline for each 
check box that you cleared in the FX Automation  Chooser.
Adjusting Envelopes
When the Normal Edit    or Envelope  ,  tool is selected, you can add, remove, or adjust envelope points.
Events cannot be moved or edited when the Envelope tool is selected.
Adjusting an envelope
By default, A new envelope will contain a single envelope  point. If you want to adjust the overall level of an 
envelope, drag the  envelope up or down. A floating ToolTip will show you the envelope's current  setting:
If an envelope has multiple points, you can drag each point,  or you can drag envelope segments up or 
down.
Tips:
n  If snapping  is enabled, envelope points will snap to snap points. Hold Shift to temporarily  suspend 
snapping. For more information, see "Enable Snapping" on page 139.
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