Benq PE7700 사용자 설명서

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