APT 850C - Auto Power Off Timer; Display Scene Selection; Battery Indicator Mode

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8.3 Auto off : Press UP/DOWN button to change the auto power off time, from 1 to 9
or OFF, the number represent time (minutes) to shutdown, default value is 5
minutes.
8.4 Scenes : Press UP/DOWN button to change the scenes, Digital / Analog.
*Display only support Digital scenes for now, Analog scenes will be supported for future.
8.5 Battery Ind : Press UP/DOWN button to change the battery indicator, Voltage /
Percentage / OFF.
*Accurate percentage needs communication with battery.