You can also use the remote control to enter the SYSTEM SETUP: Basic > Panel Key Lock and press 
/ 
to select Off.
• Keys on the remote control are still in use 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.
Freezing the image
Press 
on the remote control to freeze the image. The word 'FREEZE' will display in the upper left corner of the screen. To release the function, press any key on the projector or remote control.
Even if an image is frozen on the screen, the pictures are running on the video or other device. If the connected devices have active audio output, you will still hear the audio even though the image is frozen on screen.
Utilizing FAQ function
The INFORMATION menu contains possible solutions to problems encountered by users 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 highlight
based on the information you want to know.
3. Press Mode/Enter.
4.Press 
/
to select a problem and press Mode/Enter for possible solutions.