SURFANS F28 - Device Operation Instructions; Power Management and Reset; Lock Screen Functionality

4
Instruction
Power on/off
Press the power/lock screen button for 3 seconds, the player will
turn on, and the light of the power indicator will be on; in the
power-on state, after pressing the button for 3 seconds, the player
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Lock screen
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the screen; quickly press the power/lock screen button in the
locked screen state to unlock, or you can set a different button in
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If there is an abnormal situation such as the system not responding
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the indicator light goes out, and then restart the player.
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Light up when powered on and go out when powered off.
Bedienungsanleitung24