VIEWSONIC TD1655 15.6" 16:9 Portable Multi-Touch IPS Monitor - Manual (Page 19)

19
Key Description
u Press and hold the key to lock/unlock the Power button.
When the menu appears on the screen, continue holding the key
for 5 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
p 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