Barco R9001320 Owner's Manual page 36

Random Access Adjustment Mode
Adjustment of the blanking on the top of the image
BLANKING
Adjustment of the blanking on the bottom of the image
Correct by pushing the control disc up or down
Adjustment of the blanking on the left side
Adjustment of the blanking on the right side
Correct by pushing the control disc to the right or to the left
Options
GEOMETRY
OPTIONS
GEOMETRY OPTIONS