With the control keys on the projector locked, you can prevent your settings from
being changed accidentally (by children, for example).
When the is On, no control keys on the projector will operate
except .
Press to open the OSD Menu and go to: > .
Press / to select.
Selectand press to confirm.
To release panel key lock, press and hold on the projector for 3 seconds.
You can also use the remote control to enter the >
menu and select .
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