Phase Adjustment - Sony Hyper HAD SSC-MX34 Operating Instructions Manual

Phase Adjustment
When using more than one camera, connect to a camera switcher and
set the vertical phase range as follows:
© Camera switcher
© Monitor
© Vertical phase
© Adjustable range
The picture may roll vertically if the vertical phase is not set. To adjust
the vertical phase, turn the V PHASE screw at the back of the camera.