ViewSonic Pro6200 - Locking Control Keys

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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 Power.
1. Press Lock on the remote control.
2. A confirmation message is displayed. Select Yes to
confirm.
To release panel key lock:
1. Press Lock on the remote control.
2. A confirmation message is displayed. Select Yes to
confirm.