LG LP-XG22 Owner's Manual page 15

Do not clog the slots and openings of the projector. It may cause overheating.
The LCD projector is manufactured using high-precision technology.
You may, however, see tiny black points and/or bright points(red, blue, or green) that
continuously appear on the LCD projector. This is a normal result of the manufactur-
ing process and does not indicate a malfunction.
This product should be used adequate length bolt(within 5mm) when installing it.
When applying a ceiling installer, use only the fixing bolt and ceiling installer for LCD
projector. Contact your dealer for purchase or installation.
TP-ML2 TP-MH2
To receive the DTV program, it is necessary to purchase DTV receiver (Settop Box)
and connect it to the projector.
If there is no input signal, Menu will not display on screen.
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