ViewSonic VA2409-mh User Manual page 19

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Key
2 + 3
Press and hold the keys to lock/unlock the
When the menu appears on the screen, continue holding both
keys for 10 seconds to lock/unlock the
If the
the screen:
1
+ 4
Press the keys to display/hide the boot up screen when the device
(
«)
is turned on.
Power
button is locked, the below message will appear on
Description
Power
Power Lock/Unlock
Locking Power Button
3
Press and hold for 10s
to lock power
Power Lock/Unlock
Power Button Locked
Boot Up Screen On/Off
Off
Press to turn on
19
Power
button.
button.

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