To edit automation breakpoints, display the automation playlist for the control you want to edit by selecting it from the Track View selector, then do one of the following:
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Click with the Pencil tool or any Grabber tool on the line graph.
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Click an existing point on the line graph with any Grabber tool and drag it to a new position.
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Alt-click (Windows) or Option-click (Mac) with any Grabber tool.
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Use the Selector tool to select a range in the automation playlist that contains the breakpoints, and do one of the following:
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To move the breakpoints earlier or later in the track, press the Plus key (+) to nudge them later (to the right) or the Minus key (–) to move them earlier (to the left). The breakpoints move by the current Nudge value.
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To adjust the breakpoint values, click with any of the Trim tools in the selection and drag the breakpoints up or down.
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When you use a Trim tool to edit a selection containing breakpoints, new anchor breakpoints are created before and after the selected area. To suppress creation of anchor breakpoints, press Alt (Windows) or Option (Mac) while using a Trim tool.
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Click in the clip with any of the Trim tools and drag the breakpoints up or down.