BenQ MW853UST+ Manual de usuario Pagina 74

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Troubleshooting74
Troubleshooting
The projector does not turn on.
No picture
Blurred image
Cause Remedy
There is no power from the
power cable.
Plug the power cord into the AC inlet
on the projector, and plug the power
cord into 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.
Cause Remedy
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 signal
device.
Check the connection.
The input signal has not been
correctly selected.
Select the correct input signal with the
SOURCE key on the projector or
remote control.
Cause Remedy
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 the
unit if necessary.
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