LG AU810PB Owners Manual - Page 143

Screen Problems

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90 Screen Problems First of all, perform a (Q. Settings) [Support] [Additional Settings] [Picture Test] to check for any abnormalities in the projector. If you are using a set-top box, turn it off, and then turn it back on. Make sure that the set-top box is correctly connected to your projector. ENGLISH It says there is no signal on the screen. • Check if the cable connected to the external device is properly connected to the projector. • Go to to choose the connected input. • Check if your external device, such as set-top box or Blu-ray player, is turned on. The screen shakes after the momentary appearance of vertical/horizontal lines and net pattern. • Stop using items such as wireless telephones, hairdryers, electrical drills etc. The problem is caused by high-frequency electronic devices such as another projector or strong electromagnetic sources.

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90
ENGLISH
Screen Problems
First of all, perform a
(Q. Settings)
[Support]
[Additional Settings]
[Picture Test] to check for any abnormalities in the projector.
If you are using a set-top box, turn it off, and then turn it back on.
Make sure that the set-top box is correctly connected to your projector.
It says there is no signal on the screen.
•
Check if the cable connected to the external device is properly connected to the
projector.
•
Go to
to choose the connected input.
•
Check if your external device, such as set-top box or Blu-ray player, is turned on.
The screen shakes after the momentary appearance of vertical/horizontal lines
and net pattern.
•
Stop using items such as wireless telephones, hairdryers, electrical drills etc. The
problem is caused by high-frequency electronic devices such as another projector
or strong electromagnetic sources.