Utilizing FAQ function
The INFORMATION menu contains possible solutions to problems regarding image quality, installation, special feature operation and service information.
To get the FAQ information:
1.Press 
/ 
on the projector or remote control
or press Menu/Exit to open the OSD menu and press 
/ 
to highlight the INFORMATION menu.
2. Press 
to select
3.Press Mode/Enter.
4.Press 
/
to select a problem and press Mode/ Enter for possible solutions.
5.To exit the OSD menu, press Menu/Exit.
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 
/
on the projector or remote control or
go to the SYSTEM SETUP: Basic > Panel Key Lock
menu, and select On by pressing 
/ 
on the projector or remote control. A confirmation message displays.
2. Highlight Yes and press Mode/Enter to confirm.
To release panel key lock, press and hold 
/
on the remote control or projector for 3 seconds.
You can also use the remote control to enter the SYSTEM SETUP: Basic > Panel Key Lock menu and press 
/ 
to select Off.
• Keys on the remote control are still active 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.