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Compare Smart Control edits with saved settings in Logic Pro for Mac
While you’re working with a Smart Control, you may want to compare your edits to the saved settings to hear how your changes affect the sound. The Compare function only compares changes to parameters to which screen controls are mapped; other parameter changes are not included in the comparison.
Compare your edits to the saved Smart Control settings
In Logic Pro for Mac, click the Compare button in the Smart Controls menu bar.
To return to the edited version, click the Compare button again.