PiPO M6 - Manual (Page 6)

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Click”PIPO Launcher” , you will go to the special interface.
Like this:
1.2 1.2 1.2 1.2 Lock/unlock Lock/unlock Lock/unlock Lock/unlock the the the the screen screen screen screen (sleep (sleep (sleep (sleep mode) mode) mode) mode)
To save battery, you should put your tablet in sleep mode by turning off
the LCD display. To do this, shortly press the power key. Press it again to
wake up the screen.