Practical Hints And Tips - Ask Proxima Impact 24 User Manual

USER GUIDE
9

PRACTICAL HINTS AND TIPS

This is a list of what to do when things go wrong. Check the symptoms
carefully if you experience any problem. The cure may be at your hands!
Always press the RESET key and observe that the LED on the LCD panel
is flashing. This indicates that the LCD panel receives signals from the
remote control.
The LCD image is completely white
- Check if the cables are connected and that power is on
(LED on front panel)
- Check the ON/OFF key on the remote control
The LCD image is completely black
- Check the ON/OFF switch
- Check the BLACK switch
- Check COMPUTER/S-VIDEO/VIDEO source selection
The LCD image is too dark or too light
- Check the CONTRAST and BRIGHTNESS settings
- Try the RESET key
Some colors are unstable or flickering
- Try to adjust the CONTRAST, BRIGHTNESS or possibly TUNE
The whole LCD image appears unstable or misplaced
- Try to adjust the TUNE or POSITION
- Alternatively, you are most probably connected to an
incompatible computer or video card. See the Features section
for frequency adjustment and positioning
The cooling fan is not working
- The fan operation is controlled by the overhead projector light.
Is the OHP turned on ?
- Check that the power supply is attached
- Do not use the LCD if the fan appears defective, as overheating
may occur
24
LCD PANEL