LG CineBeam Laser 4K Owner's Manual page 19

Parts and Components
IR Receiver
1) Do not touch the lens when using the projector. The lens may be damaged. (Keep
lens away from sharp objects.)
2) Due to the high temperature of vent area, do not get close to the vent area.
Projection Screen Position (Lens Shift)
Adjustment Dial
Lens
1)
Zoom Knob (Front)
Focus Knob (Back)
Speaker
Outlet Vent
2)
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