Barco Data 1209s Owner's Manual page 33

Random Access Adjustment Mode
Seagull correction
GEOMETRY
LEFT-RIGHT (E-W)
ENTER
LEFT-RIGHT
SEAGULL CORRECTION
GEOMETRY
LEFT SIDE CORRECTION
LEFT SIDE CORRECTION
ENTER
ENTER
EXIT
ADJUST
LEFT SIDE CORRECTION
T H E T R U S T E D S O U R C E F O R P R O J E C T O R L A M P S A N D A C C E S S O R I E S
ENTER
EXIT