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WUXI LINGDE MICROELECTRONICS CO., LTD.
LD902GN
Instruction Manual
The instrument-LD902GN 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.
Display
V1.0
2018/5/23
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Summary of Contents for Wuxi LingDe Microelectronics LD902GN
- Page 1 Instruction Manual V1.0 2018/5/23 The instrument-LD902GN 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. About our Manual Please read the manual of LD902GN carefully before taking a ride for a better performance. Size Instruction to display interface...
- Page 3 Wuxi LingDe Microelectronics Co., Ltd. Model and parameter LD902GN Five assisted power display Level 0 to 5 assisted power display 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.
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Page 4: Routine Operation
Wuxi LingDe Microelectronics Co., Ltd. Definition of button There are 4 buttons on the instrument,including the power/mode（M）,up( + )，down( - ). Routine operation turn on/ off ON: press the button of M for a long while on the occasion of power off, and enter the password if any , then the instrument starts working , offering the power to controller and working well with controller after 3 seconds . - Page 5 Wuxi LingDe Microelectronics Co., Ltd. Power Assisted Walk After holding the button of DOWN for 2 seconds, electric bicycle will come into the mode of power assisted walk, keeping an even speed at 6 kilometers per hour. The gear position displays the speed per hour. Release the button to stop the mode immediately.
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Page 6: Parameter Setting
Wuxi LingDe Microelectronics Co., Ltd. Capacity display When voltage is high, 5 battery segments will be alight; when only 1battery segment is alight , it means low power and needs to be charged. Error code display When something is wrong with the electric control system, the ERR light will be alight and speed position will show the error code . - Page 7 Wuxi LingDe Microelectronics Co., Ltd. EXIT Menu:You can exit the setting menu by pressing M for a long while in any setting menu.Besides, you can exit the setting menu automatically by pressing M for a short while and switching all the setting items.
- Page 8 Wuxi LingDe Microelectronics Co., Ltd. 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 pressing +/-. It doesn’t work if over the range.
- Page 9 Wuxi LingDe Microelectronics Co., Ltd. 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 +/-.
- Page 10 Wuxi LingDe Microelectronics Co., Ltd. Quality Warranty 一、warranty coverage： 1、When the malfunction is caused by the quality of the product itself under regular use condition， our company will be responsible for it under guarantee. 2、24 months from the delivery time of the display out of the factory.
- Page 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 (VCC) Power B+ Black (GND) Power B- Yellow( Gorge line: sending message Green ( Gorge line: receiving message...
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