You
can lock the buttons on the projector's control panel to prevent
anyone from using the projector. You can lock all the buttons or
all the buttons except the power button.
Press the Menu
button.
Select the Settings menu and
press Enter.
Select the Control Panel Lock
setting and press Enter.
Select one of these lock types and press Enter:
To
lock all of the projector's buttons, select Full Lock.
To
lock all buttons except the power button, select Partial Lock.