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4. Function overview and Functional areas
4.1 Functional overview
The YL81F display offers a variety of features to suit your riding needs, including:
● Battery level indicator
● Pedal assist (PAS) level indicator
● Speed (current speed, maximum speed, average speed)
● Mileage display (single and total mileage)
● Walk assist mode
● Light ON/OFF
● Error code indicator
● Motor power indicator (optional)
● USB connection indicator (optional)
● Cruise control indicator (optional)
● Bluetooth connection indicator (optional)
● Personalized parameter settings (e.g. tire diameter, speed limit, battery power setting and
PAS parameter setting, password setting, controller current limit setting, etc.).
●Restore factory default parameter function
4.2 Functional areas
1. Battery level
2. Error code
3. Current speed
4. Walk assist mode
5. Trip odometer Odometer Max speed Average speed
6. Light ON/OFF Bluetooth USB
7. Speed unit KM/H MPH
8. Cruise
9. PAS level
10. Value and unit
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Figure 4-1 YL90T-V functional area distribution interface
