ASKProxima impact 21 User Guide

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USER GUIDE
LCD PANEL
15
8  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!
The LCD image is completely white.
-  Check if the cables are connected and that power is on.
-  Check the ON/OFF switch.
-  Check the BLANK switch.
The LCD image is too dark or too light.
-  Check the CONTRAST and BRIGHTNESS settings.
The LCD image projects wrong colors
- Check the TINT setting.
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 manually 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.
The remote control is not working
-  Check if the batteries need replacement.
-  Be sure to point at the projection screen when operating.
- You may be too far away from the panel (max. distance 6 m)