Sony DVS-9000 System User Manual page 650

Result:
The horizontal position of background B in keyframes 1 and 3 is now the same as
that in keyframe 2.
In all keyframes, the vertical position remains unchanged as the parameter is not
changed.
Modifying the keyframes by holding down the [SHIFT] button and
pressing the [MOD] button
The modified parameter values are taken as relative values, which modify all
of the selected keyframes.
650
Creating and Editing Keyframes
: Background A
: Background B
Keyframe 1 Keyframe 2
Keyframe 1 Keyframe 2
Keyframe 3
Modify keyframe 2.
(Changing the position of background B in
the horizontal direction)
Select keyframes 1 to 3 and modify
simultaneously.
Keyframe 3
Effect execution
Effect execution