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112 Solving Problems
Solving Problems with the Remote
Control
The projector doesn’t respond to remote control commands.
■ If you’re using the remote control for the first time, be sure to
remove the protective tape from the battery tray as shown on
page 22.
■ The remote control’s battery may not be installed correctly or may
be low on power. To change the battery, see page 23.
■ Make sure you are within 20 feet (6.1 meters) of the projector,
and within range of the projector’s front or back sensor
(approximately 30° to left or right and 15° above or below).
■ Dim the room lights and turn off any fluorescents. Make sure the
projector is not in direct sunlight. Strong lighting, especially
fluorescent lights, may affect the projector’s infrared receivers.
■ Turn off any nearby equipment that emits infrared energy, such
as a radiant room heater.
You’ve connected a computer and you can’t control the
mouse pointer with the remote control.
Make sure the cable is securely connected to both your computer’s
USB port and the projector’s USB port (see page 53).