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Key
Description
Press and hold the keys to lock/unlock the
1
+ 3
(
)
«
When the menu appears on the screen, continue holding both
keys for 10 seconds to lock/unlock the
If the
the screen:
2 + 4
Press the keys to display/hide the boot up screen when the device
is turned on.
Power
button is locked, the below message will appear on
Power
Power Lock/Unlock
Locking Power Button
3
Press and hold for 10s
to lock power
Power Lock/Unlock
Power Button Locked
Boot Up Screen On/Off
Off
Press to turn on
21
Power
button.
button.
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