Epson ELPD04 - Manual (Page 42)

Solving Problems 37
■ The presentation material may be too close to the lens. Make sure
the close-up lens is closed.
■ The presentation material may be too far from the lens. Open the
lens by flipping it down.
■ Make sure there is no condensation on the lenses. You may need
to wait before using the document camera after moving it from a
cold environment to a warm environment.
Solving Problems with the
Remote Control
■ Make sure you are within 23 feet (7 m) of the document camera,
and within range of the document camera’s front or back sensor
(approximately 30° to the left or right and 15° above or below).
■ The remote control batteries may not be installed correctly or may
be low on power. Try changing the batteries as described on
page 7.
■ Dim the room lights and turn off any fluorescent lighting. Make
sure the document camera is not in direct sunlight. Strong
lighting, especially fluorescent lights, may affect the document
camera’s infrared receivers.
■ Turn off any nearby equipment that emits infrared energy, such
as a radiant room heater.
elpdc04.book Page 37 Tuesday, February 12, 2002 8:32 AM