Turn On and Turn Off the Backlight
Hold both UP and MODE for 3 seconds and turn on the J—LCD backlight. When the surrounding light is not enough or it is in the evening, you can turn on the backlight.
Hold both UP and MODE for 3 seconds again and you can turn off the backlight.
Distance and Time Display (Riding Distance and time/Total Distance and time)
Press MODE and change between riding distance and total distance. Meanwhile the riding time and total time will change with it.
The riding time is indicated by hours and minutes. The total time is indicated by minutes. 10 seconds to run before turning back to the clock interface.
Capacity Display
When the battery capacity is high, the five battery segments are all right. When the battery is low voltage, the battery display frame will flash at the frequency of 1 HZ.
This indicates that the battery is severely low voltage and needs to be recharged immediately.