ViewSonic PX748-4K User Guide - Page 23
Locking the Control Keys, SYSTEM, Panel Key Lock
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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: SYSTEM > Panel Key Lock. 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 SYSTEM > Panel Key Lock menu and select Off. 23
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23
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:
SYSTEM
>
Panel Key Lock
.
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
SYSTEM
>
Panel Key Lock
menu and select
Off
.