NEWBOLER 3-in-1 Bicycle Computer, Headlight, and Horn

Introduction

The NEWBOLER BK-1920 is a versatile 3-in-1 device designed to enhance your cycling experience. It integrates a powerful 800-lumen LED headlight, a comprehensive bicycle computer (speedometer/odometer), and a loud 120dB electronic horn into a single compact unit. This manual provides detailed instructions for installation, operation, maintenance, and troubleshooting to ensure you get the most out of your device.

Package Contents

Please verify that all the following items are included in your package:

1. Main Unit (Bicycle Computer, Headlight, Horn)
2. Bracket
3. Spoke Magnet
4. Installation Kit (screws, nuts, L-wrench)
5. Speed Sensor
6. Lighting and Sound Extension Controller
7. Extension Controller Fixed Strap
8. Zip Ties
9. USB Charging Cable
10. User Manual

Image: Diagram of all included components.

Setup

1. Main Unit Installation

• Attach the main unit to your bicycle handlebar using the provided bracket. Ensure it is securely fastened and positioned for optimal viewing and light projection.

2. Speed Sensor and Magnet Installation

Proper installation of the speed sensor and magnet is crucial for accurate speed and distance readings.

• Magnet Placement: The best position for the magnet is on the top of a bicycle spoke. The non-circular structure of the spoke top helps prevent the magnet from swinging, ensuring a stable wireless signal.
• Sensor Placement: The speed sensor should be mounted on the front fork.
• Distance Requirements:
  • The distance between the main unit (monitor) and the speed sensor should be less than 80 cm.
  • The distance between the magnet and the speed sensor should be approximately 3 mm. If it's too close, it may become unstable.
  • The magnet should correspond to the center position of the transmitter (sensor) as shown in the diagram for stable and accurate signal detection.
• Wireless Launcher Battery: The wireless launcher (speed sensor) requires a CR2032 button cell battery.

Image: Optimal magnet installation on a bicycle spoke.

Image: Wireless sensor and magnet distance requirements.

3. Wired Horn/Light Controller Installation

• Connect the wired horn/light extension controller to the main unit.
• Secure the controller to your handlebar using the fixed strap and zip ties in a position that is easily accessible while riding.

4. Initial Settings

To enter the setting state, press and hold both the 'MODE' and 'SET' keys simultaneously for 5 seconds.

1. Tire Perimeter Setting:
   Press the MODE key to navigate between digits (left to right). Press the SET key to change the value of the selected digit. Four values (in millimeters) need to be set. Refer to the 'Tyre size correspondence table' in this manual for common values.
2. Metric/Imperial Unit Setting:
   Press SET to switch between metric (KM/H) and imperial (MPH) units. Press MODE to confirm your selection.
3. Weight Setting:
   Press SET to set your weight value (in KG). Press MODE to confirm.
4. Clock Setting:
   Press SET to set the time value. Press MODE to switch to the next digit (hour, minute, second).
5. Reserved Setting:
   Ignore this setting.
6. Exit Settings:
   Once all settings are complete, press the power key to exit the settings menu.

Image: Detailed setting process for tire perimeter, units, weight, and clock.

Tyre Size Correspondence Table

Image: Tyre size correspondence table for setting tire perimeter.

GPS Function (LIG001 GPS Model)

For the LIG001 GPS model, the device utilizes five-star positioning (Beidou GPS, GLONASS, GALILEO, QZSS) for faster and more accurate star search. This model does not require sensor connection for speed and distance tracking, making it easier to operate.

• Connecting to Satellites:
  1. Upon switching on, the GPS code meter will automatically search for satellite signals. The first time you use it or when in an unfamiliar area, it may take 1-3 minutes to complete positioning.
  2. The satellite icon will stop flashing once the satellite search is complete. Subsequent uses will require a shorter period for positioning due to satellite memory.

Image: GPS function and satellite positioning details.

Operating Instructions

1. Power On/Off/Standby Mode

• Turn On: Long press the Power button for 3 seconds. Both the bike light and odometer will turn on.
• Turn Off: Long press the Power button for 3 seconds from any status. The bike light and odometer will turn off, and the screen will no longer display.
• Standby Mode: After turning on, if there is no movement for 4 minutes, the screen will enter standby mode, displaying only the clock and battery power.

Image: Power On/Off/Standby Mode.

2. Bike Computer Functions

The 2.1-inch LCD screen displays various cycling data:

• Data Display: Top/Current/Average Speed (SPD, AVS, MXS), Trip Distance (DST), Total Distance (ODO), Trip Time (TM), Total Time, Clock, Calories, Power Display, Charge Marker, Real-time speed, Maximum speed, Average speed, Satellite Cue, Headlight gear, Elevation display.
• Navigation: Use the 'MODE' button to cycle through different display modes and data.

Image: LCD screen display with data labels.

3. Headlight Operation

The 800-lumen headlight features dual T6 LEDs with both spotlight (convex lens) and floodlight (flat lens) capabilities for extended and wider illumination. It has an anti-glare design to prevent blinding oncoming traffic.

• Switching Modes: You can change lighting modes using either the wired extension controller (press the 'LED' button) or the power button on the main unit.
• Available Modes:
  1. 100% brightness for 1 LED.
  2. 100% brightness for 2 LEDs (will reduce to 60% brightness if no movement after 3 minutes).
  3. 60% brightness for 2 LEDs.
  4. 2 LEDs flash, then 2 LEDs off.

Image: Spotlight and Floodlight functions of the dual T6 LEDs.

Image: 800LM Cree T6 light beam.

4. Horn Operation

The integrated 120dB electronic horn provides a clear warning for pedestrians and vehicles.

• Sound Modes: There are 3 kinds of sound modes. To select your desired sound mode, long press the 'SPK' button on the wired extension controller for 8 seconds.

Image: Wired horn controller and its 5 sound options.

Image: Electronic horn with 120dB output.

5. Backlight

The 2.1-inch LCD display features a sustained backlight for clear visibility in low-light conditions.

• Turn On/Off: Press and hold the 'SET' key for 2 seconds to turn the backlight on. Press and hold the 'SET' key for another 2 seconds to turn it off.

Image: Bright backlight feature.

Maintenance

1. Charging

The device is equipped with a built-in 4000mAh rechargeable lithium battery.

• Charging Method: Use the provided USB charging cable.
• Compatible Chargers: It can be charged using a mobile phone charger or a power bank.
• Important Note: Do NOT charge the device using a computer's USB port, as this may cause continuous restarts.
• Recharge Time: Approximately 4 hours.

Image: Compatible USB charging methods.

Image: Internal 4000mAh battery.

2. Water Resistance

The device has an IPX6 waterproof rating, meaning it is protected against high-pressure water jets from any direction. While it is water-resistant, it is not recommended for prolonged use in heavy rain.

Image: Water resistance demonstration.

3. Data Management

• Low Battery: Charge the device promptly when the battery is low. If the battery is completely depleted, all stored data will be lost, and the device will revert to factory settings upon recharging.
• Clear Trip Data (DST, AVS, MXS, TM, CAL): Long press the Power button for 3 seconds. This will clear the current trip data to zero and turn off the bike light and computer.
• Clear All Data: Long press both the 'SET' and 'MODE' buttons simultaneously for 10 seconds to clear all stored data.

Troubleshooting

• No Speed Display / Computer Cannot Find Sensor:
  • Ensure the distance between the main unit and the sensor is below 80 cm.
  • Ensure the distance between the sensor and the magnet is approximately 3 mm.
  • Verify the magnet is correctly aligned with the center of the sensor. Incorrect alignment (e.g., magnet aligned with the corner) can lead to inaccurate readings.
  • After installing a new battery in the sensor, it needs to work continuously for 1 minute to recognize the new sensor due to ID coding technology. Test by moving the magnet past the sensor for one minute and check for speed display.
  • Avoid strong electromagnetic interference from household appliances, high-voltage wires, transformers, charging stations, elevators, and other electrical equipment, as these can cause the speed display to show '0'.
  

  Image: Correct magnet alignment with the center of the sensor.

  

  Image: Testing the bike computer sensor with a magnet.
• Speed Jumps to 99km/h or Inaccurate Readings:
  • This often indicates incorrect installation or settings. Reboot the computer and ensure the correct tire circumference is set.
  • Re-check the magnet-sensor alignment as described above.
• Unable to Switch KM/H Option:
  • Access the initial settings menu by holding 'MODE' and 'SET' for 5 seconds. Navigate to the metric/imperial unit setting and ensure KM/H is selected and confirmed.

Specifications

User Tips

• For wireless models, ensure the distance between the main unit and the sensor is less than 100cm for optimal connection. Mounting the sensor on the front fork, near the top, can improve connectivity.
• If you have a foldable bike with small wheels, the distance meter can be calibrated by setting the correct tire perimeter in the initial setup. Refer to the 'Tyre size correspondence table' for appropriate values.
• The device is available in various colors (Red, Blue, Green, Black).
• The USB charging cable with buttons (for horn/light control) is an integral part of the system.

Warranty and Support

This product is covered by standard manufacturer warranties against defects in materials and workmanship. For specific warranty details, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or inquiries, please reach out to the NEWBOLER Official Store customer service.