1. Introduction
The YT-813 Digital Bike Computer is a multi-functional device designed to enhance your cycling experience by providing essential ride data. This wired speedometer offers stable performance and a clear LCD display, making it an ideal partner for various cycling activities. It is built to be waterproof, ensuring reliable operation even in rainy conditions.
YT-813 Bike Speed Meter with multi-function LCD display showing speed, odometer, travel time, and temperature.
2. Package Contents
The package includes all necessary components for installation and immediate use:
- 1 x YT-813 Bike Computer Unit
- 1 x Wired Transmitter with Mounting Bracket
- 1 x Magnetic Sensor
- 1 x Adhesive Sticker Pad
- 1 x User Manual
Components of the YT-813 Bike Speed Meter including the computer unit, wired sensor, magnet, and mounting bracket.
3. Specifications
| Model | YT-813 |
| Type | Bike Speedometer / Odometer |
| Material | Rubber casing |
| Voltage | DC 3V |
| Battery | 1 x CR2032 (Included) |
| Working Temperature | -10°C to 60°C (14°F to 140°F) |
| Dimensions (Approx.) | 5.5cm x 4.5cm x 4.5cm (2.2" x 1.8" x 1.8") |
| Display | Multi-function LCD with Backlight |
| Units | 24h/12h time format, Kilometers/Miles, Celsius/Fahrenheit temperature |
| Compatibility | Suitable for 4" to 40" bicycles, electric bicycles, and motorcycles |
| Certification | CE |
4. Installation Guide
Follow these steps to properly install your YT-813 Digital Bike Computer:
- Mounting the Computer: Secure the mounting bracket to your bicycle's handlebar or stem. Ensure the computer unit can be easily attached and removed from the bracket.
- Installing the Sensor: Attach the wired sensor to the front fork of your bicycle. Position the sensor head approximately 3 to 5 cm from the front wheel on the right side.
- Attaching the Magnet: Secure the magnetic sensor to a spoke on your front wheel. Ensure the magnet passes closely by the wired sensor (within a few millimeters) with each wheel rotation. Choose a suitable card slot on the spoke for stable installation.
- Cable Management: Route the sensor wire neatly along the fork and frame, securing it with zip ties or similar fasteners to prevent it from interfering with moving parts or getting tangled. Avoid tight winding that could damage the wire.
Diagram showing installation of the magnetic sensor on the front wheel, 3-5 cm from the head, and magnet placement on a spoke.
Image showing proper wire winding for the sensor cable and the YT-813 computer submerged in water, demonstrating its waterproof feature.
5. Operating Instructions
The YT-813 features a multi-column LCD display and typically a single "MODE" button for navigation and settings. Refer to the included user manual for precise button functions and setup procedures.
- Power On/Off: The device typically powers on automatically when motion is detected or a button is pressed. It may enter a sleep mode after a period of inactivity to conserve battery.
- Mode Switching: Press the "MODE" button to cycle through different display functions (e.g., Odometer, Trip Distance, Max Speed, Average Speed, Clock, Temperature).
- Backlight: The backlight function provides high brightness for visibility during night rides. Activation method (e.g., long press MODE, or automatic) is usually detailed in the included user manual.
- Unit Selection: The device supports 24h/12h time formats, kilometers/miles for distance/speed, and Celsius/Fahrenheit for temperature. These settings are typically adjusted in a setup mode (refer to the included user manual for specific steps).
- Real-time Data: The display shows current speed, travel distance, travel time, calories consumption, current time, and date simultaneously in a four-column window.
- Indicators:
- Acceleration/Deceleration: Visual cues on the display indicate whether your speed is increasing or decreasing.
- Over-speed Reminder: An alert will activate if a pre-set speed limit is exceeded.
- Low Battery Indicator: Notifies you when the CR2032 battery needs replacement.
YT-813 Bike Speed Meter display in night mode with backlight and day mode without backlight.
6. Functions
The YT-813 provides a comprehensive set of functions to track your cycling performance:
- SPD (Current Speed): Displays your real-time riding speed.
- MAX (Maximum Speed): Records the highest speed achieved during your ride.
- AVS (Average Speed): Calculates the average speed of your current trip.
- ODO (Odometer): Shows the total accumulated distance traveled by the bicycle.
- DST (Distance): Displays the distance covered during the current trip.
- RAT (Riding All Time): Shows the total accumulated riding time.
- TM (Trip Time): Displays the duration of the current trip.
- CAL (Calories): Estimates the calories burned during your ride.
- Th (Temperature): Shows the current ambient temperature.
- Clock: Displays the current time (12h/24h format selectable).
- Date: Displays the current date.
- Scan Mode: Automatically cycles through various display functions.
7. Maintenance
- Cleaning: Wipe the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Water Resistance: The YT-813 is designed to be waterproof and can withstand use in rainy conditions. However, avoid prolonged submersion or high-pressure water jets.
- Battery Replacement: When the low battery indicator appears, replace the CR2032 battery. Carefully open the battery compartment, replace the old battery with a new CR2032, ensuring correct polarity, and securely close the compartment.
- Sensor Alignment: Periodically check the alignment of the magnetic sensor and the magnet on the spoke to ensure they are close enough for accurate readings.
- Cable Integrity: Inspect the sensor cable for any signs of wear or damage. Ensure it remains securely fastened and does not interfere with moving parts.
- Normal Operation Note: A slight rattling sound from the device is a normal phenomenon and does not indicate a defect.
8. Troubleshooting
- No Display/Blank Screen:
- Check if the battery is correctly installed and has sufficient charge. Replace the CR2032 battery if necessary.
- Ensure the computer unit is securely seated in its mounting bracket.
- Incorrect Speed/Distance Readings:
- Verify that the magnetic sensor and the spoke magnet are properly aligned and within the recommended distance (a few millimeters).
- Check the sensor cable for any damage or disconnections.
- Ensure the wheel circumference setting (if applicable, usually set during initial setup) is correct for your bicycle.
- Display Not Changing:
- Confirm the sensor and magnet are functioning by manually spinning the wheel and observing if the display reacts.
- Check for any obstructions between the sensor and magnet.
- Backlight Not Working:
- Check battery level.
- Refer to the specific user manual for backlight activation instructions (e.g., a specific button press or long press).
9. User Tips
- For optimal accuracy, ensure the magnet and sensor are aligned as precisely as possible and the gap is minimal.
- When installing the sensor cable, use zip ties to secure it firmly along the brake cable or fork to prevent movement and potential damage.
- The waterproof feature is great for rain, but avoid fully submerging the device for extended periods.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
