LG PH300 Owner's Manual page 73

Menu
Locks control buttons on projector.
•
•
Key Lock
•
Key Lock function remains intact even in case of
power outage or when the power cord is removed
from the wall socket.
Key Lock function can only be set by remote control,
and not by the button on the projector.
If you select On: You can turn the projector on only
with the Power button if you have turned the projector
off using the remote control. If you press a button on
the control panel while watching video, the message
"Key Lock" is displayed.
CUSTOMIZING SETTINGS
Description
73