Mixing : Automation : Previewing Automation : Preview Mode and “Write To” Commands

Preview Mode and “Write To” Commands
The Write Automation To commands work as follows with Preview mode:
Before Punching Preview Values
The Write Automation To commands (except Write to Next Breakpoint) can be used to extend previewed values. The Write Automation To command will only apply to isolated controls. Pro Tools remains in Preview mode.
After Punching Preview Values
The Write Automation To commands (except Write to Next Breakpoint) can be used to extend the punched value in the same manner as other automation.