3 Function Summary and Button Definition
3.1 Preset and default items
J LCD user settings include: local time; max speed;
metric and imperial MPH or Km/H Mile or Km
wheel diameter 18 28inch ; LCD backlight contrast.
3.2 Display figures
J LCD displays battery capacity, time, motor power
ratio, riding speed, riding distance, 6Km/h walking cruise,
and fault detective code of the electronic control system.