Benq W770ST Benutzeranleitung

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Using the projector  
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 the power outlet. If the power 
outlet has a switch, make sure that it is 
switched on. 
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. 
49.)
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. 
19.)
The projector is not correctly 
connected to the input source device.
Check the connection. 
The input source has not been 
correctly selected.
Select the correct input source with the 
Source keys on the remote control or 
SOURCE on the projector. 
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 projector if 
necessary. 
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. 
3D content does not 
not display correctly
The 3D glasses are out of battery.
Recharge the 3D glasses.
The settings in the 3D menu are not 
set correctly.
Correctly set the settings in the 3D menu. 
Your Blu-ray Disc is not in 3D 
format.
Use a 3D 
Blu-ray Disc
 and try again.
The input source has not been 
correctly selected.
Select the correct source with the Source 
keys on the remote control or SOURCE on 
the projector.