Locking Control Keys - ViewSonic Pro8520HD User Manual

Locking control keys

With the control keys on the projector locked, you can prevent your projector settings
from being changed accidentally (by children, for example). When the Panel Key
Lock is on, no control keys on the projector will operate except
1. Press and hold
projector or remote control.
To release panel key lock, press and hold
for 3 seconds on the projector.
Important
•
Keys on the remote control are still functional when panel key lock is enabled.
•
If you press
projector will still be in locked status the next time it is turned on.
for 3 seconds on the
Power to turn off the projector without disabling panel key lock, the
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