Owner's Manual

4.3.3 SET 2: Wheel diameter setting
Select the accurate wheel diameter value to ensure the accuracy of speed 
and mileage on the display.
4.3.4 SET 
3: KM/H & MPH
Select KM/H or MPH for measurement, the display will indicate the matched
speed and mileage.
Section 5
5.1 BATTERY INDICATOR
5.1.1 Battery residual capacity indicator
The battery capacity viewing area have five segments, each segment repre-
sent 20% battery capacity. When the capacity is full, the five segments are all
light up. If the battery capacity is low, the battery viewing area will flash, it in-
dicates that the battery is severely insufficient and need to be recharged im-
mediately.
Low battery flash