VIEWSONIC VX4381-4K 42.5" 16:9 4K HDR10 MVA Monitor - Manual (Page 18)

18
Key Description
[ ► ] Press and hold the key for 5 seconds to lock/unlock the Power
button.
When the menu appears on the screen, continue holding both
keys for 10 seconds to lock/unlock the Power button.
3
Power Lock/Unlock
Locking Power Button
Press and hold for 10s
to lock power
If the Power button is locked, the below message will appear on
the screen:
Power Lock/Unlock
Power Button Locked
[ ▲ ] Press and hold the key for 5 seconds to display/hide the boot up
screen when the device is turned on.
Boot Up Screen On/Off
Off
Press to turn on