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Appendix
Troubleshooting
Before calling your dealer or service center for assistance, check the items below once again.
– Make sure you have properly connected the projector to peripheral equipment as described in "Connecting to a Computer"
and "Connecting to Video Equipment" on page17 and 18.
– Make sure all equipment is connected to AC outlet and the power is turned on.
– When you operate the projector with a computer and it does not project an image, restart the computer.
Problem:
No power
Image is out of focus.
No image
No sound
Image is Left/Right
reversed.
Image is Top/Bottom
reversed.
Some displays are not
seen during the
Operation.
– Try these solutions.
– Plug the power cord of the projector into the AC outlet.
– See if the POWER indicator lights red.
– Wait 90 seconds after the projector is turned OFF when turning the projector back on.
The projector can be turned on after the POWER indicator turns red. (See "Turning Off
the Projector" on page 19.)
– Check the WARNING indicator. If the WARNING indicator lights red, the projector cannot
be turned on. (See "Warning Indicator" on page 41.)
– Check the projection lamp. (See page 43.)
– Unlock Key lock for the projector in the Setting Menu. (See page 40.)
– Adjust focus of the projector.
– Provide proper distance between the projector and the projection screen. (See page 16.)
– Check the projection lens to see if it needs cleaning. (See page 42.)
– Moving the projector from a cool temperature location to a warm temperature location
may result in moisture condensation on the projection lens. In such an event, leave the
projector OFF and wait until condensation disappears.
– Check the connection between your computer or video equipment and the projector.
– See if the input signal is correctly output from your computer. Some laptop computers
may need changing the setting for monitor output when you are connecting a laptop
computer. See your computer's owner's manual for setting.
– It takes about 30 seconds to display an image after turning on the projector.
– See if the selected system is corresponding with your computer or video equipment.
– Select correct input source once again through menu operation.
– Make sure the temperature is not out of the Operating Temperature (5°C ~ 35°C).
– Check audio cable connection from audio input source.
– Adjust the audio source.
– Press the Volume (+) button.
– Press the Mute button.
– Check the Ceiling / Rear item. (See "Setting" on page 39.)
– Check the Ceiling item. (See "Setting" on page 39.)
– Check the Display item. (See "Setting" on page 38.)
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