Dell Projector 1220 - Manual (Page 22)

22 Using Your Projector
Operating Range with Optional Remote Control
NOTE: Actual operating range may slightly differ from the diagram.
Weak battery will also prevent the remote control from properly
operating the projector.
Operating range
Angle ±30°
Distance 7 m/22.97 feet
Angle
Distance
ZOOM ZOOM INFO
VIDEO VGA HDMI
FREEZE AUTO ADJ.
KEYSTONE
SOURCE VIDEO MODE
ASPECT MENU
POWER
MOUSE
BLANK
ENTER
VOL
VOL
MUTE