LG PH450U Owner's Manual page 99

Item
Key Lock Locks control buttons on projector.
• 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 joystick
button while watching video, the message Key Lock is
displayed.
CUSTOMIZING SETTINGS
Description
99