LG CineBeam PU700R-GL Owner's Manual page 5

Parts and Components
Inlet Vent
Speaker
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.
Lens
1)
IR Receiver
Display Fit Sensor
Lighting
Joystick Button
Outlet Vent
2)
Lighting
5