ViewSonic VX2758A-2K-PRO User Manual page 22

Key
Press and hold the key to lock/unlock the
When the menu appears on the screen, continue holding the key
for 10 seconds to lock/unlock the
If the Power
the screen:
Press and hold the key to display/hide the boot up screen when
the device is turned on.
Description
Power Lock/Unlock
Locking Power Button
Press and hold for 10s
to lock power
button is locked, the below message will appear on
Power Lock/Unlock
Power Button Locked
Boot Up Screen On/Off
Press to turn on
22
Power
button.
Power button.
3
Off