Troubleshooting - BenQ PE7700 User Manual

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PE7700-e.book Page 33 Monday, January 10, 2005 11:20 AM

Troubleshooting

Problem
The projector does
not turn on.
No picture.
Image is unstable.
Picture is blurred.
Remote control
does not work
correctly
Cause
There is no power from the power
cable.
The power switch is not in the on
position.
Attempting to turn the projector on
again during the cooling process.
The lamp cover is not securely
attached.
The video source is not turned on
or connected correctly.
The projector is not correctly
connected to the input source
device.
The input signal has not been
correctly selected.
The connection cables are not
securely connected to the projector
or the signal source.
The projection lens is not correctly
focused.
The projector and the screen are
not aligned properly.
The lens cap is still attached to the
lens
The batteries are out of power.
There is an obstacle between the
remote control and the projector.
You are too far away from the
projector.
http://www.pureglare.com.au
Remedy
Plug the power cable into the AC inlet on
the rear of the projector, and plug the
power cable into to the power outlet. If the
power outlet has a switch, make sure that it
is switched on.
(Page 19)
Put the power switch in the on position.
(Page 19)
Wait until the cooling down process has
completed.
Correctly attach the lamp cover.
Turn the video source on and check that
the signal cable is connected correctly.
(Page 17)
Check the connection.
(Page 17)
Select the correct input signal with the
Source buttons on the remote control or
SOURCE / ENTER on the projector.
19)
Correctly connect the cables to the
appropriate terminals.
(Page 17)
Adjust the focus of the lens using the focus
ring.
(Page 20)
Adjust the projection angle and direction as
well as the height of this unit if necessary.
(Page 20)
Remove the lens cap.
(Page 19)
Replace both of the batteries with new
ones.
(Page 10)
Remove the obstacle.
(Page 12)
Stand within 8 meters (26.2 feet) of the
projector.
(Page 12)
Additional information
(Page 30)
(Page
33

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