VIEWSONIC PJD5123 - Manual (Page 26)

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 on the remote control.
2. A confirmation message is displayed. Select Yes to
confirm.
To release panel key lock:
1. Press on the remote control.
2. A confirmation message is displayed. Select Yes to
confirm.
Important
„ If you press Power to turn off the projector without disabling panel key
lock, the projector will still be in locked status the next time it is turned on.
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