Mixing : Automation : Creating Snapshot Automation : Capturing Automation and Applying it Elsewhere

Capturing Automation and Applying it Elsewhere
The Write Automation commands can also be used to capture automation states at specific locations in a track and apply them to other locations in the track.
To capture and apply automation:
1 In the Automation window, make sure that the automation parameters you want to edit are write-enabled. Deselect any parameters whose automation you want to preserve.
2 Click the Automation Mode selector and select Read mode for the tracks that have automation you want to capture.
3 Ensure that Options > Link Timeline and Edit Selection is selected.
4 With the Selector tool, select the location where you want to capture automation. All automated controls update to reflect the automation at that location. (If you make a selection, the controls update to reflect the automation at the beginning of the selection.)
5 In each track you want to apply the captured automation, click the track’s Automation Mode selector and set the Automation mode to Off.
6 With the Selector tool, select the location where you want to apply the automation.
7 Enable the automation parameters previously suspended.
8 Choose Edit > Automation and select one of the following from the submenu:
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To write the current value to only the automation parameter currently displayed in the Edit window, choose Write To Current.
– or – 
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To write the current settings for all automation parameters enabled in the Automation Enable window, choose Write To All Enabled.
9 Click the Automation Mode selector and select Read mode for the tracks you want to play back with automation.