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LD803U Display Instruction Manual
LD803U display is simple and beautiful as it adopts the scientific ergonomic curve design.
The LED is not only clearly visible in the sunlight but also displayed with soft light under
the night mode that makes riding safety.
Wuxi LingDe Microelectronics Co., Ltd.
V1.0
2017/7/22
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Table of Contents
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Summary of Contents for Wuxi LingDe Microelectronics LD803U
- Page 1 V1.0 2017/7/22 LD803U display is simple and beautiful as it adopts the scientific ergonomic curve design. 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. Preface Dear users, to ensure better performance of your e-bike, please read through the LD803U product introduction carefully before using it. Size (Unit: mm) Description...
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Page 3: Installation Instruction
Wuxi LingDe Microelectronics Co., Ltd. Model and Parameters LD803U Five assisted power display Nine assisted digital display USB mobile charging Support 232 or 485 bus mode Support voltage 24V、36V、48V Installation Instruction 1、 Fix the display onto the handlebar and adjust to an appropriate visual angle. -
Page 4: Normal Operation
Wuxi LingDe Microelectronics Co., Ltd. Normal Operation On/Off Power on： In the shutdown state, long press the （M） button, display begins to work for the controller power supply，after 3 seconds，the display will communicate with the controller normally. Power off：In the power on state, long press the（M）button to cut off the e-bike power supply. -
Page 5: Capacity Display
Wuxi LingDe Microelectronics Co., Ltd. Turn on and Turn off the Headlight Press the key （B） on the side to turn on the headlight， press the key again to turn off it and the screen is dimmed. Capacity Display When the battery capacity is high，the five battery segments are all light When the battery is low voltage，the battery display frame will flash at the frequency of 1HZ. -
Page 6: Quality Warranty
Wuxi LingDe Microelectronics Co., Ltd. Quality Warranty 1，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 7: Wiring Diagram
Wuxi LingDe Microelectronics Co., Ltd. Wiring Diagram The display is matched with 5-waterproof wire and the wire definitions are as below： Number Color Function red(VCC) Power B+ black(GND) Power B- yellow(TX、B) 232：TX、 485：B green(RX、A) 232：RX 、485：A blue(K) Lock Note：Users cannot see the color of the internal wiring because of the water proof...
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