UBK Systems LCD UB1 - Button Definitions; Button Functions (M, +, -); Functional Overview; Instrument Display Features

The instrument is equipped with 3 buttons, including M, + and -.
+ : Add key
M: Mode/open/key
- : Reduce key
BUTTON DEFINITION
FUNCTIONAL OVERVIEW
The C300S gives you a variety of features and displays to meet your
cycling needs.
The contents displayed are:
1. Switch
2. Current display
3. Instant speed
4. Kilometer mile selection
5. Backlight
6. 6KM/H walking
7. Power-assisted gear
8. Error code display
9. Setup operation
10. Mileage display
11. Battery display
12. Line order definition
13. 10 minutes of automatic sleep