1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your NULKOMMA KingMeter Digital II Ebike LCD Display Meter. Please read this manual thoroughly before using the product to ensure proper function and longevity.
2. Product Overview and Features
The KingMeter Digital II is a compact and durable LCD display designed for electric bicycles. It provides essential riding data and is built to withstand various environmental conditions.
Figure 2.1: Front view of the KingMeter Digital II Display.
Key Features:
- Multiple Functions Display: Provides real-time data including speed, battery level, gear assist level, and mileage.
- High Quality Material: Constructed from durable ABS material, ensuring a lightweight and robust design.
- Waterproof Design: Features an IPX6 waterproof rating, protecting the display from water and dust.
- Compact and Portable: Small footprint, easy to carry and store, with a clear backlight for visibility in various lighting conditions.
- User-Friendly Interface: Intuitive key operation for quick and convenient access to functions.
Product Video:
Video 2.1: Overview of the NULKOMMA KingMeter Digital II Ebike LCD Display Meter, showcasing its design and features.
3. Package Contents
Upon opening your package, please verify that all components are present and undamaged:
- KingMeter Digital II LCD Display Unit (1)
Figure 3.1: KingMeter Digital II LCD Display with SM Plug.
4. Installation and Setup
Follow these steps to properly install the KingMeter Digital II display on your ebike:
- Choose Mounting Location: Select a suitable position on your handlebar, typically near the left grip, ensuring it does not obstruct braking or shifting.
- Mount the Display: Loosen the clamp screw on the display unit. Position the display on the handlebar and tighten the screw securely. Ensure the display is stable and facing the rider for optimal viewing.
Figure 4.1: Side view showing the handlebar clamp.
- Connect the Cable: Locate the SM plug connector on the display's cable. Connect this plug to the corresponding port on your ebike's controller or wiring harness. Ensure the connection is firm and secure.
- Cable Management: Route the display cable along your ebike frame, securing it with cable ties to prevent interference with moving parts and to protect it from damage.
- Initial Power On: Once installed, power on your ebike system. The display should illuminate and show initial readings.
5. Operating Instructions
The KingMeter Digital II display features three buttons: 'M' (Mode), '+' (Up), and '-' (Down).
Power On/Off:
- To turn on the display, press and hold the 'M' button for a few seconds.
- To turn off the display, press and hold the 'M' button again for a few seconds.
Display Functions:
Once powered on, the display will show various riding parameters. Use the 'M' button to cycle through different display modes, which may include:
- Current Speed (SPD)
- Battery Level Indicator
- Assistance Gear Level (PAS)
- Trip Distance (TRIP)
- Total Odometer (ODO)
Adjusting Settings:
The '+' and '-' buttons are typically used to adjust the pedal assist system (PAS) level. Press '+' to increase the assist level and '-' to decrease it. Specific advanced settings may be accessible by holding combinations of buttons; refer to your ebike's main controller manual for detailed programming instructions if applicable.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your display:
- Cleaning: Wipe the display screen and body with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the plastic or screen.
- Water Exposure: While the display is IPX6 waterproof, avoid submerging it in water or exposing it to high-pressure water jets. Ensure the connector is dry before plugging or unplugging.
- Storage: When not in use for extended periods, store the ebike and display in a dry, cool place away from direct sunlight and extreme temperatures.
- Cable Inspection: Periodically check the display cable for any signs of wear, cuts, or damage. Replace if necessary to prevent electrical issues.
7. Troubleshooting
If you encounter issues with your KingMeter Digital II display, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Display does not power on | Loose cable connection, low ebike battery, display fault | Check all cable connections. Ensure ebike battery is charged. Try pressing 'M' button for longer. |
| Incorrect speed/mileage readings | Wheel circumference setting incorrect, speed sensor issue | Consult your ebike controller manual for display settings. Check speed sensor for proper alignment and damage. |
| Buttons unresponsive | Water ingress, internal fault | Ensure display is dry. If problem persists, contact support. |
If you are unable to resolve an issue using the troubleshooting guide, please contact customer support for further assistance.
8. Specifications
Detailed specifications for the NULKOMMA KingMeter Digital II Ebike LCD Display Meter:
Figure 8.1: Back view of the KingMeter Digital II Display.
- Model Name: KingMeter Digital II
- Brand: NULKOMMA
- Material: ABS
- Color: Black
- Item Weight: 71 Grams
- Included Components: LCD display unit
- Waterproof Rating: IPX6
9. Warranty and Support
Warranty Information:
The NULKOMMA KingMeter Digital II Ebike LCD Display Meter comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and material faults under normal use. Please retain your proof of purchase for warranty claims.
Return Policy:
If you are not satisfied with your product, you may be eligible for an unconditional return and refund within 180 days of receipt. Please refer to the retailer's specific return policy for details.
Customer Support:
For any questions, technical assistance, or warranty claims, please contact NULKOMMA customer service. Our support team is available to assist you with any product-related inquiries.
Contact information for NULKOMMA support can typically be found on the product packaging or the official NULKOMMA website.
