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Key
Description
2 + 4
Press and hold the keys to lock/unlock the
When the menu appears on the screen, continue holding both
keys for 10 seconds to lock/unlock the
Power
If the
the screen:
2 + 5
Press the keys to display/hide the boot up screen when the device
is turned on.
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
18
Power
Power
button.
3
Off
button.
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