Locking The Control Keys - ViewSonic PX749-4K User Manual

Locking the Control Keys

With the control keys on the projector locked, you can prevent your settings from
being changed accidentally (by children, for example).
NOTE:
When the Panel Key Lock is On, no control keys on the projector will operate
except Power.
1. Press Menu to open the OSD Menu and go to:
2. Press / to select On.
3. Select Yes and press Enter to confirm.
4. To release panel key lock, press and hold on the projector for 3 seconds.
NOTE:
You can also use the remote control to enter the
menu and select Off.
SYSTEM
SYSTEM
22
> Panel Key Lock.
> Panel Key Lock