20
battery capacity is normal, the four battery segments lighten
according to actual capacity. When the battery is under voltage, four
battery segments switch off and battery display frame will flash with
the frequency of 1 HZ, to remind user to recharge battery immediately.
When power on, display shows the current speed automatically. Hold
3s switch to total distance. Hold the 3s again switch to
single riding distance. Hold
3s again display will switch back to
current speed. Do this in turns and interface is as below:
current speed
2.7.5 Speed and mileage switch
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