VIEWSONIC ColorPro 27" 4K HDR Monitor - Manual (Page 28)

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Key Description
p Press and hold the key to lock/unlock the Power button.
When the menu appears on the screen, continue holding the key
for 10 seconds to lock/unlock the Power button.
3
Power Lock/Unlock
Locking Power Button
Press and hold for 10s
to lock power
1
Power Lock/Unlocked
Locking Power Button
Press and hold for 5 sec
to lock Power
If the Power button is locked, the below message will appear on
the screen:
Power Lock/Unlock
Power Button Locked
3
Power Lock/Unlock
Locking Power Button
Press and hold for 10s
to lock power
Power Lock/Unlocked
Power Button Locked
t Press and hold the key for 10 seconds to display/hide the boot up
screen when the device is turned on.
Logo Boot Up Screen On/Off
Off
Press to turn On