ViewSonic VP2458 User Guide - Page 28

Power, Press the keys to display/hide the boot up screen when the device is

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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. Power Lock/Unlock Locking Power Button 3 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 28

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28
Key
Descrip°on
2
+
4
Press and hold the keys to lock/unlock the
Power
bu²on.
When the menu appears on the screen, con°nue holding both keys for
10 seconds to lock/unlock the
Power
bu²on.
3
Power Lock/Unlock
Locking Power Button
Press and hold for 10s
to lock power
If the
Power
bu²on 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