Locking control keys
With the control keys on the projector locked, you can prevent your projector settings from being changed accidentally (by children, for example). When the Panel Key Lock is on, no control keys on the projector will operate except 
Power.
1.Press and hold 
for 3 seconds on the projector or remote control.
To release panel key lock, press and hold 
for 3 seconds on the projector.
Important
•Keys on the remote control are still functional when panel key lock is enabled.
•If you press 
Power to turn off the projector without disabling panel key lock, the projector will still be in locked status the next time it is turned on.
20
20
