Operation method: Long press the up and down buttons of the instrument to enter the instrument settings. P01:Backlight brightness,level 1 is the darkest,level 3 is the brightest. P02:Mileage unit,0: KM;1: MILE. P03:Voltage level: 24V,36V,48V. P04:: 0,no sleep;other numbers are ,range: 1-60;unit minutes. P05:Assist gear 1-9 P06:Wheel diameter: unit,inch;precision: 0.1. P07:Number of speed magnets: range: 1-100. P08:Speed limit: speed percentage range 0-100%,100 means speed 100%. P09:Zero start,non-zero start setting,0: zero start;1: non-zero start. P10:Drive mode setting 0: Power-assisted drive (the handle is invalid).1:Electric drive (drive through the handlebar,at this time the assist gear is invalid).2:Power-assisted drive and electric drive coexist at the same time. P11:Assist sensitivity setting range: 1-24. P12:Power-assisted start intensity setting range: 0-5. P13:Power-assisted magnet type setting There are three types of 5,8,and 12 magnets,of which 5 and 8 are single-Hall power-assisted sensors. Setting 12 is used for dual Hall assist sensors. P14:No such function temporarily. P15:No such function temporarily. P16:ODO reset setting Press and hold the up button for 5 seconds ODO reset type: waterproof plug colour: black Material: plastic (5-pin waterproof jiet) Note: The product is a five-pin connector, E10 is unable to communicate, and the communication protocol with the controller is wrong. The protocol of the instrument is lithium battery No. 2 protocol Package Contents: 2 x LCD display (only for lithium battery protocol No. 2) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Made of high quality material, and practical to use. The S830 LCD has a variety of functions, which can be used as a driving computer or control the entire eBike system after conversion. Suitable forElectric bicycle. If PAS is installed, the LCD can let the driver choose the required auxiliary level. It displays the remaining battery, current speed, average speed, maximum speed, clock, total travel and one-way distance. and high quality.