Mixing : Automation : Previewing Automation : Isolating Multiple Controls

Isolating Multiple Controls
In some cases, such as when starting a new mix, you may want to isolate multiple controls at the same time.
To isolate all currently write-enabled controls:
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To isolate all write-enabled controls on all selected tracks:
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Alt-Shift-click (Windows) or Option-Shift- click (Mac) the Preview button.