Think this has been posted before but JIC -
What the settings control -
P01: 1-3 Backlight Brightness Adjustment, 1 Lowest, 3 Brightest.
P02: 1 Mileage Unit Setting. 0: km, 1:mile
P03: 48V Voltage Selection Setting. 24V 36V 48V
P04: 10 Sleep Time. 0: No Sleep, Other Numbers Are Sleep Time...