MAIMEIMI M7

M7 Head-Up Display (HUD) User Manual

Model: M7 | Brand: MAIMEIMI

Introducció

The M7 Head-Up Display (HUD) is an automotive flat-screen display designed to project essential driving data onto your car's windshield. This innovative device helps drivers maintain focus on the road by displaying information such as speed, RPM, water temperature, voltage, and driving distance directly in their line of sight. By eliminating the need to constantly look down at the dashboard, the M7 HUD enhances driving safety and allows you to maintain optimal driving conditions.

The M7 HUD features a dual-chip, dual-core operation, supporting both OBDII and GPS systems, offering flexibility and comprehensive data display. It is constructed from PC materials resistant to high temperatures and cold, ensuring durability in various environmental conditions.

Característiques del producte

  • Seguretat de conducció millorada: Keeps your eyes forward, eliminating the need to look down at the dashboard.
  • Funcionament del sistema dual: Supports both OBDII (for post-2007 cars) and GPS systems (universal for all cars).
  • Encès/Apagat automàtic: HUD automatically turns on and off with the engine, saving power.
  • Ajust automàtic de la brillantor: Configures sightseeing elements to automatically adjust display brightness based on ambient light, ensuring clear visibility day or night.
  • Pantalla completa: Mostra la velocitat, les RPM del motor, la temperatura de l'aigua, el volumtage, driving distance, and more.
  • Funcions d'alarma múltiples: Includes overtime driving alarm, low voltage alarm, overspeed alarm, high temperature alarm, and engine failure alarm.
  • Canvi d'unitat: Freely switch between KM/H & MPH for speed, and ℃ & ℉ for temperature.
  • Shading Integrated Design: Features an original lens hood to prevent dazzling at night.
  • Construcció duradora: Made with PC materials resistant to high temperatures and cold.

Contingut del paquet

The M7 Head-Up Display package includes the following items:

  • 1 × HUD unit
  • 1 × cable USB
  • 1 × Reflective film
  • 1 × manual d'usuari
  • 1 × OBD cable
  • 1 × Non-slip mat
M7 HUD package contents including the HUD unit, OBD cable, non-slip mat, reflective film, and user manual.
Figure 1: M7 HUD Package Contents
Diagram showing the HUD unit, USB cable, reflective film, user manual, OBD cable, and non-slip mat.
Figura 2: Accessoris del producte

Especificacions

AtributValor
Nom del modelM7 Heap-up display
Potència nominal12 V
Nom de la mida3.5*2.1*1in (Product size: 3.5x2.1x1inch)
Cable o sense filAmb cable
OrigenXina continental
Temperatura ambient-40 °C a +80 °C
Pressió atmosfèrica86-106KPa
Humitat relativa10%-95%
Soroll ambiental<=60dB(A)
Vol. Operatiutage11V~18Vdc (12Vdc/200mA). For cars higher than 24V, use USB cable.
Corrent d'espera<= 30mA
Mode de visualitzacióVirtual image reflection type
Pantalla d'imatgePantalla LED
Mida de la pantalla3.5 polzades
Diagram showing the dimensions of the M7 HUD unit: 3.5 inches length, 2.1 inches width, 1 inch height, and 0.6 inches display height.
Figura 3: Dimensions del producte

Configuració

Instal·lació

The M7 HUD is designed for simple, non-destructive plug-and-play installation.

  1. Connectar l'alimentació: Plug the OBD cable into your car's OBD socket. If your car's voltage is higher than 24V, use the provided USB cable with a cigarette lighter adapter.
  2. Cable de ruta: Carefully insert the wire rod into the A-pillar sealing strip to conceal the cable.
  3. HUD de posició: Connect the OBD interface to the HUD unit and place the HUD in the desired position on your dashboard, typically on the center console, ensuring a clear view for projection onto the windshield.
Three-step installation guide for the M7 HUD: 1. Plug into OBD socket or cigarette lighter. 2. Insert wire into A-pillar sealing strip. 3. Connect OBD to HUD and place it correctly.
Figura 4: Passos d'instal·lació
Diagram showing the OBD2 interface cable and GPS cigarette lighter for connection, highlighting one-click switching and fully compatible mode.
Figure 5: Connection Options

Selecció del sistema

The M7 HUD is a dual-system device (OBDII and GPS). Upon power-on, you have 5 seconds to select your preferred system:

  • Within 5 seconds after power on, use the scroll wheel (left dial) to select between the OBDII and GPS systems.
  • If no operation is performed within 5 seconds, the HUD will automatically enter the last selected system.
  • OBDII System: Supports standard OBD2 interface cars (typically after 2007). Displays vehicle speed, RPM, water temperature, voltage, distance traveled, RPM icon, and decoration icon.
  • Sistema GPS: Universal and compatible with all cars. Displays speed, voltage, number of satellites, speed icon, and decoration icon.

Nota:

  • If the OBDII system is not compatible with your vehicle, unplug the power supply once and then re-select the GPS system.
Image illustrating the dual system switch between OBD2 and GPS with one step.
Figure 6: Dual System Switch

Instruccions de funcionament

Modes de visualització

The M7 HUD offers various display modes to suit your preferences and driving needs. You can switch between these modes using the scroll wheel.

Four types of practical driving data at a glance: Simple mode (Speed), Speed + RPM + Decorative icon, Speed + Decorative icon, Speed + RPM, and Driving distance.
Figure 7: Driving Data Display Modes

OBD Display Information

When operating in OBDII mode, the HUD can display a wide range of vehicle data and alarm functions:

  • Visualització de dades: Driving speed, Engine RPM, Instant voltage, Water temperature, Driving mileage, Auto photosensitive brightness, KM/H or MPH, °C or °F, Water temperature progress bar.
  • Funcions d'alarma: Speed alarm, Water temperature alarm, Voltage alarm, Off time setting, Single segment alarm setting, 4-segment alarm setting, Water temperature alarm setting, Voltage alarm setting.
Icons and text describing OBD display data (Driving speed, Engine RPM, Instant voltage, Water temperature, Driving mileage, Auto photosensitive brightness, Alarm Sound Switch, KM/H MPH switch, °C/F, Water temperature progress bar display, Auto Switch) and Alarm Functions.
Figure 8: OBD Display Data and Alarms

GPS Display Information

When operating in GPS mode, the HUD provides essential navigation and vehicle data:

  • Visualització de dades: Driving speed, Voltage, Number of satellites, Auto photosensitive brightness.
  • Funcions d'alarma: Alarm Sound Switch, Voltage alarm, 4-segment alarm setting.
Icons and text describing GPS display data (Driving speed, Voltage, Alarm Sound Switch, Driving icon, Satellite numbers, Voltage alarm, Auto photosensitive brightness, 4-segment alarm setting).
Figure 9: GPS Display Data and Alarms

Ajust automàtic de brillantor

The M7 HUD is equipped with an automatic brightness adjustment feature. It configures sightseeing elements to adapt the display's brightness according to the strength of the outside light, ensuring the display is clearly visible in bright sunlight and not overly bright at night.

Four images showing the M7 HUD display under different lighting conditions: Under the Sun, Cloudy day, At evening, At night, all with clear visibility.
Figure 10: Automatic Brightness Adjustment

Automatic On/Off and Power Saving

The HUD unit is designed for convenience and power efficiency. It will automatically turn on and off in conjunction with your vehicle's engine operation. This hands-free operation ensures that the device is ready when you start driving and conserves power when the engine is off.

Image showing a car interior with the HUD unit, emphasizing 'Automatic on and off, power saving' and 'Professional solution design'.
Figure 11: Automatic On/Off Feature

Shading Integrated Design

The M7 HUD features an original integrated lens hood design. This design effectively reduces glare and prevents dazzling, especially when driving at night, ensuring that the projected information remains clear and easy to read without causing discomfort.

Image illustrating the 'Shading integrated design' of the M7 HUD, showing how the lens hood prevents dazzling.
Figure 12: Shading Integrated Design

Vídeo demostració

Watch this video to see the M7 HUD in action, demonstrating its display modes and real-time projection capabilities.

Video 1: M7 HUD Display Modes and Projection

Configuració

Entreu al mode de configuració

To access the setting menu and customize parameters:

  1. Long press the scroll wheel button vertically inwards for 5 seconds to enter the setup items. The menu will display '1'.
  2. Use the scroll wheel (left and right toggle) to select different menu items (1-11).
  3. Short press the scroll wheel button vertically to enter the parameter value for the selected item.
  4. Use the scroll wheel (left and right toggle) to change the parameter value.
  5. Short press the scroll wheel vertically to return to the menu.
  6. Long press the scroll wheel vertically for 5 seconds to save your changes and exit the setting mode.

Restaura la configuració de fàbrica

If you wish to revert all settings to their original factory defaults:

  • When the HUD is off, press and hold the scroll wheel vertically.
  • While holding the scroll wheel, turn on the power. The screen will fully illuminate.
  • Release the scroll wheel button to restore the factory settings.

Eliminate Fault Codes (OBDII Mode Only)

To clear any stored fault codes from your vehicle's ECU:

  • After powering on and connecting to the OBDII protocol, right dial the scroll wheel for 5 seconds. The HUD screen will fully illuminate, indicating that fault codes are being cleared.
  • Right dial the scroll wheel again for 5 seconds to restore the normal display.

Switch Alarm Sound

You can toggle the alarm sound (buzzer) on or off:

  • When the HUD is displaying normally, left dial the scroll wheel for 5 seconds. You will hear a 'drops' sound, indicating the buzzer is now active.
  • To close the buzzer, long left dial the scroll wheel again for 5 seconds.

Resolució de problemes

  • El HUD no s'encén: Ensure the OBD cable or USB cable is securely connected to both the HUD and the vehicle's power source. Check the vehicle's OBD port for power.
  • No display or incorrect data in OBDII mode: If your vehicle is not OBDII compliant (e.g., pre-2007 models), or if there's an incompatibility, unplug the power supply once and then re-select the GPS system. Ensure the vehicle's engine is running.
  • Inaccurate speed display: In setting mode, you can adjust the speed calibration parameter to match your vehicle's actual speed (e.g., compare with GPS speed on your phone).
  • Double image on windshield: Ensure the reflective film is properly applied to the windshield. Adjust the HUD's position or angle slightly.
  • Les alarmes no funcionen: Check the alarm sound setting to ensure the buzzer is enabled. Verify alarm thresholds in the setting mode.
  • HUD automatically shuts off: Assegureu-vos que el vol operatiutage is within the specified range (11V~18Vdc). If your car's voltage is higher than 24V, you must use the USB cable for power.

Consells per a l'usuari

  • For optimal visibility, especially in bright conditions, ensure the reflective film is clean and free of smudges.
  • Experiment with different display modes to find the one that best suits your driving style and provides the most relevant information at a glance.
  • Regularly check for and clear any fault codes using the HUD's function to help maintain your vehicle's health.
  • If you frequently switch between vehicles, consider using the GPS mode for universal compatibility and ease of use.

Garantia i Suport

This product comes with a standard manufacturer's warranty. For any technical support, warranty claims, or further assistance, please contact the seller or refer to the contact information provided with your purchase documentation. Keep your proof of purchase for warranty validation.


MAIMEIMI M7 OBD2 Car HUD Dual System Head-Up Display Feature Demo

MAIMEIMI M7 OBD2 Car HUD Dual System Head-Up Display Feature Demo

0:35 • 960×720 • feature_demo

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