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36
Solving Problems
Solving Problems with the Image
No image appears on the screen.
■
Check that all cables are properly connected (see Chapter 1) and
everything is turned on.
■
Make sure the projector or computer is not in sleep mode. Check
the projector documentation, or try pressing a key on the
computer keyboard.
■
The document camera may have been turned on too quickly after
it was turned off. Turn the document camera off, wait a few
seconds, and then turn it on again.
■
The wrong source may be selected. Try pressing the
Main or
RGB1
button on the remote control.
■
You may need to change the NTSC or PAL DIP switch setting on
the document camera. See page 15 for instructions.
The image contains static or noise.
■
If you’re using cables that are longer than 6 feet (2 m), or an
extension cable, the image quality may be reduced. Try using the
cables supplied with the document camera.
■
Keep your projector, computer, and video cables away from the
power cord as much as possible to prevent interference.
■
The camera’s DIP switches may be set incorrectly. Try adjusting
the switches as described on page 15.
The image is blurry.
■
There may be dirt on the lenses. Clean the lenses as described on
page 32.
■
Try pressing the
Auto Focus
button.
■
Some objects do not auto focus well (see page 22). Manually focus
these objects using the
Near
and
Far
buttons.
elpdc04.book Page 36 Tuesday, February 12, 2002 8:32 AM