BenQ x3100i User Manual page 13

Remote control effective range
The remote control must be held at an angle within 30 degrees perpendicular to the projector's
IR remote control sensor(s) to function correctly. The distance between the remote control and
the sensor(s) should not exceed 8 meters (~ 26 feet).
Make sure that there are no obstacles between the remote control and the IR sensor(s) on the
projector that might obstruct the infra-red beam.
• Operating the projector from the front • Operating the projector from the rear
Introduction 13