Locking the Operation But- tons
Hold down 
on the projector for about 3 seconds while the projector is being turned on.
Note
•The keylock function does not affect the opera- tion with the remote control buttons.
•You cannot use the keylock function while the projector is warming up.
Taking the Keylock off
Hold down 
on the projector for
about 3 seconds while the projector is being turned on.
• You can take the keylock off by holding down 
on the projector for about 3 seconds while the pro- jector is in standby mode.
Easy to Use Functions
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