Master Timelines
You can save the regions selected for a keyframe effect and the register
numbers saved in the regions in a master timeline register so that operation can
be applied to two or more regions at a time.
Master timeline registers can be saved or recalled from the numeric keypad
control block or using a menu operation.
For more details, see "Creating and Saving a Master Timeline" in Chapter 13
(Volume 2).
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Keyframes