USER GUIDE
XGA
LCD MULTIMEDIA PROJECTOR
31
10 TROUBLE-SHOOTING
This is a checklist to help you pinpoint any problem that may arise. Check
the symptoms carefully if you experience any problem. The cure may be at
your fingertips!
Always check that the OSD appears when the OSD key on
the remote control is pressed. This indicates that the LCD
projector is receiving signals from the remote control.
SYMPTOM
SOLUTION
LCD projector
does not work
•
Check if the mains cable is attached properly.
•
Check that the Power switch at the mains inlet is
ON.
•
Toggle the ON/OFF button on the remote control.
•
Is the LCD projector fuse, located in the fuse
holder, blown? (See
Maintenance
for the
replacement procedure.)
The projected
image is
completely
black
•
Check that the Power switch at the mains inlet is
ON.
•
The unit may have overheated due to the
ventilation slots being covered while the projector
was in use. Also ensure that the ambient
temperature is within spec. Check the air inlet
filter, as it may need vacuuming (see
Maintenance
). Wait until the unit has completely
cooled down before using again.
The projected
image is too
dark or too light.
•
Adjust the CONTRAST and BRIGHTNESS
settings.
•
Press RESET, which will remove the pre-
determined settings for the current source, and
make the set-up adjustments again.
Some colors are
unstable or
flickering
•
Check first that there are no loose cable
connections.
•
You can try to adjust the image quality with the
CONTRAST and BRIGHTNESS keys.
•
Try to improve the tuning using the TUNE key.
Содержание Impression 970
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