Wuxi LingDe Microelectronics LD902GU Instruction Manual Download

Page: 11 / 11

Wuxi LingDe Microelectronics Co., Ltd.

Wiring Diagram

The display is matched with 5-waterproof wire and the wire
definitions are as below.

number

colour

function

Red

(VCC)

Power B+

Black

(GND)

Power B-

Yellow(

)

Gorge line: sending message

Green (

RX)

Gorge line: receiving message

Blue

(K)

Electric door look offer weak power

to other equipment

Note

：

Users cannot see the color of the internal wiring

because of the water proof connector.

Summary of Contents for LD902GU

Page 1: ...ual V1 0 2018 5 23 About our Manual The instrument LD902GU is simple and beautiful with the unique design of scientific ergonomic curve The LED is not only clearly visible in the sunlight but also displayed with soft light under the night mode that makes riding safety ...

Page 2: ...Wuxi LingDe Microelectronics Co Ltd 1 Please read the manual of LD902GU carefully before taking a ride for a better performance Size Instruction to display interface ...

Page 3: ...e your phone RS232 Support 24V 36V 48V Installment guide 1 Fix the instrument on the handlebar and adjust a appropriate angel 2 Install the set screw from the bottom of instrument fixed on the handlebar It is advised to install the screw manually 3 Please insert the connectors of instrument and the connector of controller on the occasion of power off ...

Page 4: ...ng offering the power to controller and working well with controller after 3 seconds OFF press the button of M for a long while on the occasion of on you can turn off without wasting the power At this time the current is less than 1uA Assisted Power Select Press the button of or for a short while you can change the output power of motor The default power ranges from level 0 to level 5 1 the lowest...

Page 5: ...button to stop the mode immediately Notes The function works out at the situation of pushing electric bicycles Do not use it when riding Turn on off headlight Press the key B to turn on the headlight press the key again to turn off it Key on the side of the device Display of handover The instrument will display the current speed and ODO on the occasion of normal work without breakdown When pressin...

Page 6: ...an it exit the interface If the fault happens the bicycle cannot be ridden Parameter setting In setting menu You can do settings when pressing and and entering the password 1234 on the occasion of power on and normal work of the parking instrument just like SE and number 1 in the picture below Please note that some types do not have password You can set the number password by press and for a short...

Page 7: ...tch the mile and kilometer by pressing with the switching of speed and trip at the same time and corresponding indicator light on You can quit the interface by pressing M to set the next item for a short while or pressing M for a long while SET2 speed limited When in SET2 the factory default limited speed of the instrument is 25km h The effective limited speed ranges from 10 km h to 41 km h by pre...

Page 8: ...key of including 16 20 22 24 26 700C 28 You can enter the next mode by pressing the key of M Set4 magnetic steel of speed measuring when in the mode of set4 the default magnetic steel of speed measuring matches the whole bike The default value is 1 if no exclusions The number is not advised to changed You can change it by pressing the of 1 and 6 can be chosen You will go into the next setting by p...

Page 9: ...et5 the total gear setting when in the mode of set5 the default total assisted gear is 5 You can change it by pressing the key of with the maximum 9 and the minimum 1 ou will go into the next setting by pressing the key of M for a short time ...

Page 10: ...4 months from the delivery time of the display out of the factory 二 The following conditions are not covered by the warranty 1 The shell is open 2 The connectors are broken 3 The shell is scratched or damaged after out of factory 4 The lead wires from the display are scratched or broken 5 Damages are caused by irresistible e g fire earthquake etc or natural disasters such as lightning etc 6 The pr...

Page 11: ...initions are as below number colour function 1 Red VCC Power B 2 Black GND Power B 3 Yellow TX Gorge line sending message 4 Green RX Gorge line receiving message 5 Blue K Electric door look offer weak power to other equipment Note Users cannot see the color of the internal wiring because of the water proof connector ...

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Wuxi LingDe Microelectronics LD902GU, Instruction Manual

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