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26 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 is not in sleep mode. Check the projector
documentation.
■
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 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.
■
Keep your projector and video cables away from the power cord as
much as possible to prevent interference.
■
The frequency switch may be set incorrectly. Change the
frequency as described on page 10.
The image is blurry.
■
There may be dirt on the lenses. Clean the lenses as described on
page 22.
■
The Auto Focus feature may be turned off. If the Auto Focus
indicator light is not lit, press the
Auto Focus
button.
■
Some objects do not auto focus well. Manually focus these objects
by first turning off Auto Focus and then using the
Near
and
Far
buttons.