If your motor have speed sensor wire (some is the white wiring in hall), the P07 set to 1. If your motor without speed sensor wire (hall is 5 wiring), so you must know your motor magnet number and motor gear ratio.P07= magnet gear ratio ex: magnet =20, gear ratio= 1:4.5, so P07 set to 204.5=90. (Turn-on the lights power) Press and hold the "+" button 3 seconds to turn on/off. Set up operation(Only need to set P03, P06, P07, P10, P13). Press "+" and " -" button together 3 seconds to enter the setting interface;?
Press "M" button to enter setting item;press up and down button to select parameter; P01:meter backlight; P02:Mileage unit, 0:KM;1:MILE; P03:Voltage level, Base operating voltage; P04:Sleep Time, 0: no-sleep, unit: min P05:Assist position, 0:3,1:5, mode; P06: Wheel Diameter, unit: inch;Accuracy:0.1; P07: Number of speed magnets, range :1-100; (Note: here only for set speed display, doen't affect the actual speed) P08:Speed Limit, Range:0-50km/h, 50: means Unlimited speed;(When speed big than setting speed, Turn off the PWM output) P09:Zero or non-zero start, 0:zero start; 1:non-zero start; P10:Drive Mode setting: 0 : Power Drive, throttle invalid; (Assist power) 1: Electric throttle Drive mode, Assist invalid; 2: Both assist and throttle are effective; P11:Boost sensitivity setting, range:1-24; P12:Boost start strength setting, range:1-5; P13:PAS Assist Type Setting. (5/8/12) Single Hall PAS : set to 5 /8 Double Hall PAS : Set to 12 P14 :P15:Not opened functions; P16:ODO clear; long press up button 5 seconds to clear. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components". The seller is "maabdal63" and is located in this country: CN.This item can be shipped worldwide.