27
Key
Description
2 + 4
Press and hold the keys 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
3 + 5
Press the keys to display/hide the boot up screen when the device
is turned on.
Boot Up Screen On/Off
Off
Press to turn on