BPM F-15 Assembly Instructions & Owner's Manual page 31

3、Function Summary and Button Definition
3.1 Preset and Default Items
SW-LCD
（ 18-28inch ） ; max speed; LCD backlight contrast;
choice of display unit.
3.2 Display Figures:
Display content: battery capacity, motor power ratio,
riding speed, riding distance, power, PUSH cruise
control, and error code display of the electronic control
system.
user settings include:
22
wheel diameter