1. Introduction
The MAIMEIMI XS Head Up Display is an advanced on-board computer designed to provide comprehensive vehicle data and driving assistance. It features a dual-mode system combining OBD2 and GPS functionalities, offering a wide range of real-time information directly on its LCD screen. This manual will guide you through the installation, operation, and maintenance of your new device.
Key Advantages:
- OBD+Beidou Dual-Mode Dual-System: Enhanced compatibility and data accuracy.
- Positioning by Satellite: Precise location and navigation data.
- ECD for Vehicle Driving: Essential driving information at a glance.
- Gyroscope Data: Real-time monitoring of vehicle pitch and roll angles.
- G Value Acceleration: Measures acceleration and deceleration performance.
- Alarm Prompt: Customizable alerts for various driving parameters.
2. Features
The XS Head Up Display offers a comprehensive suite of features to enhance your driving experience:
2.1. OBD2 Mode Functions
When connected via the OBD interface, the device can display over 50 kinds of data, including:
- Vehicle speed, Engine speed (RPM)
- Water temperature, Voltage, Fuel consumption (instantaneous, per hundred kilometers, average per trip)
- Total mileage per trip, Cumulative driving direction, Latitude and longitude
- Intake pressure, Oil temperature, Air-fuel ratio, Turbocharger pressure, Intake temperature, Oil pressure
- Throttle valve, Engine load, Transmission oil temperature, Satellite quantity, Altitude
- Accelerometer G value, Up and down slope angle, Left and right tilt angle
- Acceleration test, Brake test
- Read rich PID data stream, Read car fault codes and clear fault codes
2.2. GPS Mode Functions
For vehicles where OBD functionality is limited or disabled, the GPS mode provides essential driving data:
- Vehicle speed, Voltage, Time
- Single driving time, Single driving mileage, Total mileage
- Cumulative driving direction, Latitude and longitude, Number of satellites, Altitude
- Accelerometer G value, Up and down slope angle, Left and right tilt angle
- Acceleration test, Brake test
2.3. Alarm Functions
The device includes a powerful alarm system to alert drivers to critical conditions:
- Overspeed alarm
- Speed alarm
- Water temperature alarm
- Voltage alarm
- Slope inclination alarm
- Fatigue driving reminder
- Vehicle malfunction alarm (OBD2 mode only)
2.4. Additional Features
- Ambient Light: Customizable ambient light with blue, ice blue, green, yellow, purple, and red options. Can be set to change with engine speed (RPM), car speed, or always bright.
- Language Settings: Supports 12 languages including English, Chinese (Simplified/Traditional), Thai, Japanese, Korean, Russian, Arabic, Malay, Spanish, German, and French.
- Speed Unit Switching: Easily switch between KM/H and MPH on the large screen after power on.
- Self-Upgrade: The product supports self-upgrade free of charge.
3. Setup
Follow these steps to set up your MAIMEIMI XS Head Up Display:
3.1. Physical Installation
- Placement: Choose a suitable flat surface on your car's dashboard where the device will not obstruct your view of the road.
- Connection:
- For OBD2 functionality, locate your vehicle's OBD interface (usually under the dashboard on the driver's side) and connect the provided OBD cable to the device's OBD interface.
- The device also features a computer data interface and an optical fiber sensor.
- Power On: Once connected, the device should power on automatically when the vehicle is started.
3.2. Initial Calibration (G-Meter/Gyro)
For accurate G-value acceleration and gyroscope data (pitch and roll angles), the instrument must be calibrated once after positioning:
- Navigate to the G/Gyro calibration menu.
- Perform a zero calibration.
- Ensure the meter is placed parallel to the lateral coordinates of the car for precise data.
3.3. Dual Data Module Support
The device features an embedded GPS+Beidou dual-mode chip, enhancing compatibility and providing accurate data for increased altitude, driving course, GPS time, latitude, longitude, and compass effect. This allows for versatile use across various car models and years.
4. Operating Instructions
The MAIMEIMI XS Head Up Display offers multiple display modes and customizable settings to suit your preferences.
4.1. Navigating Display Modes
The device supports 9 large display pages with arbitrary transformation. You can cycle through various display modes using the function keys on the device. Common modes include:
- RPM + Rolling Compass Mode: Displays engine RPM and a compass.
- Speed Bar + Compass + Water (Oil Temperature) Mode: Shows vehicle speed, compass, and water/oil temperature.
- Turbine Mode: Visualizes turbo pressure.
- Rotational Speed Mode: Focuses on engine RPM.
- All Digital Mode: Presents all data in a numerical format.
- Gyroscope Mode: Displays pitch and roll angles.
- G Value Acceleration Mode: Shows real-time G-force.
4.2. Gyro Function
The integrated gyro function provides real-time monitoring of pitch and roll angles. If the default value is exceeded, an alarm will prompt to ensure driving safety. This is particularly useful for off-road driving or monitoring vehicle stability.
4.3. Ambient Light Settings
The cool strobe atmosphere lamp can be customized:
- RPM Atmosphere Light: Changes with engine speed (default setting).
- Speed Atmosphere Light: Changes with car speed.
- Always Bright Atmosphere Light: Choose your preferred color (blue, ice blue, green, yellow, purple, red).
- Option to turn on/off the atmosphere light.
4.4. Product in Action
5. Specifications
| Feature | Description |
|---|---|
| Brand Name | MAIMEIMI |
| Model Name | XS Head Up Display |
| Origin | Mainland China |
| Display Type | LCD Display |
| Display Area | 3.5-inch |
| Operating Modes | OBD2 + GPS Dual System |
| Data Types | More than 50 kinds (Vehicle Speed, RPM, Water Temp, Oil Temp, Fuel Consumption, Voltage, Turbo Pressure, Altitude, etc.) |
| Sensors | Gyroscope, Accelerometer, Optical Fiber Sensor |
| Alarms | Overspeed, Speed, Water Temperature, Voltage, Slope Inclination, Fatigue Driving, Vehicle Malfunction |
| Languages Supported | 12 (English, Chinese Simplified, Chinese Traditional, Thai, Japanese, Korean, Russian, Arabic, Malay, Spanish, German, French) |
| Speed Units | KM/H, MPH |
| Atmosphere Light | Customizable colors (blue, ice blue, green, yellow, purple, red), RPM/Speed/Always bright modes |
| Product Dimensions (Approx.) | Length: 17cm, Width: 12cm, Height: 7cm |
| Product Weight (Approx.) | 0.235 kg |
6. Troubleshooting
This section addresses common issues you might encounter with your MAIMEIMI XS Head Up Display.
6.1. OBD Function Disabled / No Data
If the OBD function is disabled or your vehicle does not support OBD, the device will automatically switch to GPS mode. In this scenario, data typically obtained via OBD (like engine RPM, water temperature, etc.) will not be displayed, or will be represented by a horizontal bar or fixed value. Only GPS and gyroscope-related data will be available.
6.2. Inaccurate G-Meter/Gyro Data
Ensure the device has been properly calibrated. After positioning the instrument, perform a G/Gyro zero calibration. The device must be placed parallel to the lateral coordinates of the car for accurate readings.
6.3. Device Not Powering On
Check the connection to the OBD port. Ensure the vehicle's ignition is on. If the issue persists, try connecting the device to another vehicle (if available) to rule out a vehicle-specific issue.
6.4. GPS Signal Issues
Ensure the device has a clear view of the sky for optimal satellite reception. Obstructions like tunnels, tall buildings, or heavy tree cover can interfere with GPS signal. Move the vehicle to an open area if experiencing persistent signal loss.
7. User Tips
- Optimal Placement: Position the HUD where it is easily visible without obstructing your view of the road. A central location on the dashboard is often preferred.
- Customization: Explore the various display modes and ambient light settings to find what works best for your driving style and preferences.
- Regular Calibration: If you frequently move the device or notice inconsistencies in G-meter/gyro data, perform a recalibration.
- Stay Updated: Take advantage of the free self-upgrade feature to ensure your device has the latest firmware and functionalities.
8. Warranty and Support
For any technical assistance, warranty claims, or further inquiries, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty terms and contact information.
