LG BS275 Manual page 28

User Controls
28
English
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Rear-Ceiling

When you select this function, the projector reverses and turns
the image upside down at same time. You can project from be-
hind a translucent screen with ceiling mounted projection.
Menu Location
Choose the menu location on the display screen.
Projector ID
ID definition can be set up by menu (range 0~99), and allow user
control an individual projector by RS232C.
Mute
Choose "On" to mute the volume.

Choose "Off" to restore the volume.

Volume
Press the to decrease the volume.

Press the to increase the volume.
