ViewSonic LS550WH - 3000 LED Lumens WXGA Short Throw LED Projector w/ 125% Rec. - Page 24

Locking the Control Keys, SYSTEM, Panel Key Lock

Page 24 highlights

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. 24

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24
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
.