Sony VPH-G90E Manuel D'installation page 118

Adjusting the Registration
118
(GB) Adjustments
8
Press the ZONE key and repeat steps 5 to 7 to adjust in positions No. 2
to No.25 in order.
9
After the adjustment is complete, press the MEMORY key to save the
adjustment data.
The red registration adjustment is complete.
Proceed to the registration adjustment of the blue signal.