1. Introduction
Thank you for choosing a MEKEDE product. This manual provides detailed instructions for the effective and safe use of your new car multimedia system. Please read it carefully before operation.
Note: Due to continuous product improvement, some descriptions in this manual may differ slightly from the actual device. Specifications are subject to change without prior notice. Thank you for your understanding.
About MEKEDE
Shenzhen MEKEDE Co., Ltd. is a high-tech company specializing in automotive multimedia systems, integrating product R&D, production, and sales. MEKEDE consistently prioritizes product quality and prides itself on its manufacturing capabilities and competitive pricing.
MEKEDE adheres to a corporate culture of "integrity, quality, and technological development." Our powerful R&D team continuously develops advanced products that meet market standards, based on the latest technological advancements and current market trends.
Since 2009, nearly 80% of MEKEDE's products have been exported to over 20 countries, including Japan, the United States, Thailand, Russia, Singapore, Malaysia, Europe, and the Middle East. We have earned a strong reputation among customers for high-quality products and satisfactory after-sales service, and have many loyal OEM clients.
MEKEDE is committed to continuously developing new products to increase market share. Shenzhen MEKEDE Co., Ltd. sincerely welcomes business consultations and invites international enterprises for cooperation. We aim to provide one-stop solutions for your automotive multimedia needs.
2. Important Safety Information
- Driving Safety: Do not watch videos or other visual content while driving. Actively using the system while driving can reduce attention and potentially lead to traffic accidents.
- Power Requirements: This device is designed for vehicles with a 12V voltage and negative ground. Do not install the system in buses or trucks with 24V vehicle voltage, as this may damage the device.
- Screen Care: Use only dedicated cleaning devices to clean the screen.
- Temperature Guidelines: To prevent device overheating, avoid direct sunlight exposure and do not install near heating systems. The operating temperature range is between 0°C and 35°C. If the car interior temperature is too high, cool down the interior before starting the system. Do not operate the unit in extremely low temperatures. Wait until the car interior and vehicle temperature return to normal. When the temperature is low, the screen image may lag; this is not a malfunction.
- Installation: Use only the provided fasteners (screws, mounting brackets, etc.) for installation. Using other fasteners may damage the system and will void the warranty.
- Professional Installation: The installation and connection of the device should be performed by qualified experts or specially trained service centers.
- Factory Reset: Do not reset to factory settings unless in extreme circumstances, as this may result in data loss and incorrect system operation.
- Warranty: Violation of these terms or improper use may lead to system malfunction. In such cases, warranty service will not be provided.
3. Product Overview
3.1. Host Unit Buttons
The device features physical buttons for quick access to common functions:
- MIC: Microphone input.
- RST: Reset button (restore factory settings).
- Power: Power on/off.
- Back: Return to the previous menu.
- Home: Return to the main interface.
- Volume +: Increase volume.
- Volume -: Decrease volume.
Image: Comparison of screen resolutions (960*540 vs 1024*600), highlighting the improved clarity of 1024*600.
Image: MEKEDE head unit with 1024*600 (IPS) display, 4-Core 1+32GB configuration, and Android logo.
3.2. Touch Screen Operation
The device is equipped with an interactive touchscreen display. Before first use, remove any protective plastic film. Failure to do so may prevent proper touchscreen function.
- Touch: Tap an icon on the screen to launch the desired function.
- Double-tap: Quickly tap twice to zoom in/out on images.
- Touch & Hold: Press and hold an item for 2 seconds to trigger additional actions for that item.
- Drag: Touch and hold an icon, then drag it to a new position on the screen.
- Scroll: Swipe your finger across the screen (e.g., right to left) to navigate through pages or lists. Scrolling can be stopped by touching the screen again, or it will stop automatically.
Caution: Do not use metal or sharp objects to control the display. Also, do not apply excessive force when touching the screen to avoid damage.
4. Setup and Installation
Important: The installation and connection of this device should be performed by qualified experts or specially trained service centers to ensure proper function and safety.
4.1. Product Standard Wiring Introduction
The product package includes the following standard cables:
- RCA Cable
- Amplifier Cable
- Reverse Signal Cable
- GPS Antenna
- 4G Antenna
- Microphone
- USB Interface * 2 (Standard for M200S M400S)
- USB Interface * 3 (Standard for M300S M500S M600S M700S)
Image: Comparison of car dashboard before and after MEKEDE head unit installation.
4.2. Host Device Wiring Diagram
Refer to the diagram below for connecting the main unit to your vehicle's electrical system and peripherals.
Image: Wiring diagram for the MEKEDE car multimedia system, showing connections for GPS antenna, radio antenna, 4G antenna, cooling fan, RCA, USB, and power.
4.3. Rear Camera Connection Method
There are two main methods for connecting the rear camera, depending on whether your vehicle uses a CANBus Box.
4.3.1. Without CANBus Box
Connect the reverse control line to A5. Connect the camera power to the 12V reverse light. Connect the camera's GND to the car's ground wire.
Image: Diagram illustrating the connection of a rear camera directly to the reverse light and car ground, with the reverse control line connected to the head unit's A5 port.
4.3.2. With CANBus Box
If you already have a CANBus box and the reverse control line (A3 area) is connected to the CANBus box, you do not need to connect the yellow wire separately.
Note: For camera power (12V), only connect the two red wires together; do not connect them to other wires.
Image: Diagram showing rear camera connection when a CANBus Box is present, with ACC connected to A3 ACC and camera power connected to 12V.
4.4. CANBus Box Settings
Important:
If you cannot use the original functions of your car (e.g., steering wheel control, AC, etc.), you need to set up the CANBus. Before setting up the CANBus, check the sticker on your CANBus box and select the corresponding CANBus type.
Setting Steps:
- Go to Settings > Factory Settings (Factory Password: 3368) > Car Model Selection.
- Select the appropriate brand and model based on your CANBus box.
For models like 7862 M300 M500 M600 M700, refer to the connection diagram below for initial setup.
Image: CANBus box connection diagram for 7862 M300 M500 M600 M700 models, showing how to connect the CANBus to the head unit.
4.5. 4G LTE Connectivity
Note: After inserting the SIM card, you need to restart the device by pressing the RST button on the top left of the screen with a toothpick.
The device supports inserting a 4G SIM card for direct 4G network connection, allowing you to watch real-time videos, listen to music online, and browse the web anytime.
4.6. ADAS DVR (Front Car Recorder) Installation
The ADAS DVR helps predict distance to the vehicle ahead, warns of potential collisions, and alerts for lane departure, enhancing driving safety.
Installation Steps:
- Connect the driving recorder via USB cable.
- Find the installation package in the USB storage and install it.
4.7. Additional Camera Systems
4.7.1. 360° Panoramic Camera
The 360° panoramic camera system uses four wide-angle cameras installed on the front, rear, left, and right sides of the vehicle. It collects images around the vehicle, which are then processed and stitched by an image processing unit to form a 360-degree panoramic view. This real-time view is transmitted to the central control display, allowing the driver to visually see the vehicle's position and surrounding obstacles while seated in the car.
4.7.2. Rear View Camera
The rear view camera provides a clear image of the area behind the vehicle, making reversing easier and safer. AHD rear view cameras offer clearer image quality compared to traditional cameras.
5. Operating Instructions
5.1. Power On/Off
Power On: After turning off the ignition and starting the engine, the multimedia system will automatically turn on. The initial screen will be displayed.
Exception: If the engine is off, the device will automatically activate.
5.2. Customizing Main Interface Icons
You can freely edit the position of icons on the main interface. All applications can be edited from the quick menu bar for easy searching and operation.
Image: Head unit displaying built-in CarPlay + Auto feature, showing a customizable home screen.
To customize, touch and hold an icon on the main screen, then select the desired application from the selection page to replace it.
5.3. Changing Main Interface Background
You can set your favorite pictures or photos as the background for the main screen. You can choose from the default wallpapers on the device or select images/photos from a USB storage device or SD card.
To change the wallpaper, touch and hold an empty space on the main interface, then select the desired wallpaper from the options.
5.4. FM/AM Radio
To access the radio, tap the corresponding icon (Radio) on the main menu.
- Main Menu Interface: Displays radio controls.
- Frequency Switching: Toggle between FM and AM bands.
- LOC/DX Mode: In "LOC" mode, the radio will only receive strong signals. In "DX" mode, the radio will receive all stations within the current range.
- Mono Mode: Switch to mono audio.
- Auto Scan: Automatically scan and save stations.
- Save Station: Save current station.
- Additional Adjustment: Fine-tune frequency.
- Saved Stations List: View and select saved stations.
Tip: You can quickly select the desired frequency by tapping on the scale bar.
5.5. DSP Processor / Equalizer
Access the sound effect settings from the radio interface or by directly tapping the equalizer icon. The built-in DSP chip provides professional-grade tuning and enhanced sound quality.
5.5.1. Equalizer Mode
The equalizer menu allows you to adjust sound based on your preferences and different frequencies. You can adjust the volume of each of the 32 bands by increasing or decreasing it. Available presets include: Rock/Jazz/Pop/Classical/Rock, etc. To reset all settings to zero, press the "Standard" button.
5.5.2. Sound Field Settings
In the sound field menu, you can choose recommended settings for listeners. Available settings include: Driver mode/Passenger mode/Rear/Center. Alternatively, you can specify the position by moving the dot on the seat diagram.
5.5.3. Bass Boost
In the bass boost menu, you can adjust the subwoofer volume, subwoofer low frequency, and subwoofer high frequency to achieve the desired bass enhancement effect.
5.5.4. Bass Filter
In the bass filter menu, you can adjust the front and rear bass range values to achieve the bass filtering effect.
5.5.5. Surround Sound
The equalizer menu allows you to adjust the volume ratio of the front, rear, left, and right speakers to achieve a more comfortable sound. This adjustment is done by moving the arrow indicator. This equalizer function also supports parametric bass tuning, where you can change the center frequency and gain at this frequency.
5.6. Music/Video Playback
Connect a USB storage device or insert an SD card. Tap (Music) for music playback or (Video) for video playback.
Supported multimedia formats include: MP4, AVI, MMV, MOV, MKV, MPEG, RMVB, etc.
Video: Demonstration of the MEKEDE M90S head unit's interface, music playback, video playback, Bluetooth connectivity, WiFi setup, and file management features.
Safety Warning: Do not watch videos while the car is in motion. To watch videos, park the car in a safe location and engage the handbrake.
5.7. Bluetooth Functionality
Tap the "Bluetooth" icon on the main menu to enter the Bluetooth hands-free interface. Simultaneously enable the "Search New Devices" function on your mobile phone's Bluetooth settings. When the system and phone establish a signal connection, the phone will prompt "Connect device?". Select "Yes" on your phone and enter the password (0000) to confirm. The system screen will display "Connected", indicating a successful connection.
5.7.1. Call Records
In this menu, you can view recent outgoing, incoming, and missed calls.
5.7.2. Phonebook
This menu allows you to synchronize your phone's contacts with the device's phonebook and dial selected contacts. Tap (Download) to synchronize.
5.7.3. Bluetooth Music
After connecting via Bluetooth, you can play music from your phone through this menu. You can switch songs, pause, and adjust song progress.
5.8. Car Link (CarPlay/Android Auto)
Car Link allows you to intelligently and safely use your iPhone or Android phone's functions while driving. All functions are integrated and displayed on the central control screen. You can use satellite navigation, make calls, send and receive messages, listen to music, and perform many other tasks.
Image: Head unit displaying built-in CarPlay + Auto feature, showing the integration of smartphone functions.
5.8.1. Wireless CarPlay (for iOS systems)
Depending on the car, you can run CarPlay using Siri in two ways:
- Press and hold the voice command button on the steering wheel. Ask Siri questions or request actions.
- Press and hold the CarPlay toolbar button or the CarPlay home screen button on the sensor screen. Ask Siri questions or request actions.
CarPlay will display Siri's suggestions for further actions, such as scheduled meetings. With the perfect integration of Siri and CarPlay, your favorite apps are always available.
5.8.2. Android Auto (for Android systems)
Connection Steps:
- Connect the car unit via USB cable.
- Find and tap the "Car Link" icon. The phone will then request authorization for connection. Tap to confirm the authorization, wait a moment, and the connection will be successful.
5.9. Split Screen Settings
Allows some functions to be displayed in split screen, meaning two functions can be displayed simultaneously on one screen.
To exit split screen mode, drag the divider between the two screens to the right or left.
5.10. Map Navigation
The device has a built-in global positioning system, providing omni-directional map display, synchronized real-time traffic conditions, and rapid and accurate positioning.
Image: Head unit displaying GPS navigation with map, showing real-time traffic and positioning.
It supports mainstream navigation software downloads from the market.
5.11. Language Settings
To change the system language:
- Go to Settings > More Settings > Language & Input.
- Select your preferred language and drag it to the top of the list.
5.12. Button Colorful Light Settings
The device buttons feature multi-color lighting, which can be set to different color modes. To set:
- Go to Settings > Car Settings > Colorful Light Settings.
- Select the desired light color or set it to automatic color change.
5.13. Main Menu UI Settings
The product offers 5 different main menu UIs. You can choose according to your preferences.
Setting Steps:
- Go to Settings > Factory Settings (Factory Password: 3368) > Main Screen Application Selection.
- Select the desired main interface UI based on the displayed numbers.
6. Additional Functions (Optional Accessories)
Note: The following functions require purchasing additional accessories.
6.1. DAB+ Radio
The EU DAB+ radio is compatible with all Android radios, providing better sound quality and stronger signals. It is only applicable to buyers from EU countries.
6.2. OBD II (On-Board Diagnostics)
With this device's OBD II function, you can monitor real-time data and fault codes received from the vehicle's computer.
6.3. TPMS (Tire Pressure Monitoring System)
After correctly installing the TPMS in the vehicle, the sensors will automatically monitor tire pressure and temperature, sending real-time statistics to the receiver.
6.4. AV Output
Video output can display content on rear displays. Rear passengers can watch high-definition video and audio from headrest displays via video cables.
7. Maintenance
To maintain the display screen, use only dedicated cleaning solutions and soft cloths. Avoid abrasive materials or harsh chemicals that could damage the screen surface.
8. Troubleshooting
If the device encounters problems, try disconnecting and reconnecting the device, or simply press the reset button. If this does not resolve the issue, refer to the table below for common problems and solutions. If the problem persists, check if the device is correctly connected or contact the seller.
| Symptom | Possible Cause | Solution |
|---|---|---|
| General Problem: Ignition key not in "ON" position | Ignition key not in "ON" position | Turn the key to the "ON" position. |
| No power on or display | Fuse overheated or current exceeds 15A | Check if the circuit breaker is working properly. If there is a fault, it needs to be replaced. |
| Power cable not connected correctly | Check the power connection. | |
| Bluetooth: Phonebook has no contacts | No authorization on phone | After connecting the phone to the device, go to the phone's Bluetooth settings and authorize phonebook synchronization. |
9. Specifications
| Feature | Specification |
|---|---|
| Installation Size | 9 inch or 10 inch |
| Screen Resolution | 1280*720 / 2000*1200 / IPS / QLED / Blue Light |
| Screen Size | 9 inch or 10 inch |
| CPU | UIS7862 1.8GHz 8-core (2 cores ARM cortex A75 + 6 cores ARM cortex A55) |
| RAM | DDR3 2GB/3GB/4GB/6GB/8GB |
| Storage Memory | 32GB/64GB/128GB |
| Operating System | Android 11 (or Android 13 as per product title) |
| Maximum Output Power | 4 x 45 W |
| Amplifier Chip | TDA7388/Toshiba 001 (M200S M300S), TDA7851/7850/7838 (M400S M500S M600S M700S) |
| FM Tuner | NXP TEF6686 |
| Equalizer Features | Sound field settings, surround sound mode, bass boost, bass filter |
| CarPlay/Android Auto | Supported (via Car Link connection) |
| Video Formats | RMVB, MKV, MOV, WMV, AVI, MPG, TS, H.264 codec and others. |
| Audio Formats | MP3, WMA, WAV, OGG, FLAC |
| Global Positioning System | Built-in receiver, with external antenna |
| Map Navigation | Supports mainstream navigation software downloads |
| WiFi | Built-in WiFi |
| 360° Panoramic Camera | Supports installation |
| Bluetooth | Built-in Bluetooth |
| Steering Wheel Button Control | Supported |
| ADAS DVR (Front Car Recorder) | Activate in "Settings" menu |
| Rear View Camera | Automatic activation |
| 4G Network | Supports inserting 4G SIM card for network connection |
| DSP | Supported |
| Startup Time | 16 c - 20 c |
| Operating Voltage | DC12V |
| Working Voltage Range | 9V - 16V |
| Current | 15A |
| Operating Temperature | -20°C - +70°C |
| Main Menu Language | Supports multiple languages |
10. User Tips
- Wiring Clarity: For optimal performance and to avoid issues, ensure all wiring connections, especially for power and accessories like the rear camera, are secure and follow the provided diagrams precisely. If unsure, professional installation is highly recommended.
- SIM Card Activation: Remember to press the RST button with a toothpick after inserting the 4G SIM card to ensure proper network activation.
- Bluetooth Phonebook: If your phonebook contacts are not syncing, check your phone's Bluetooth settings for authorization to share contacts with the car unit.
11. Frequently Asked Questions (FAQ)
Q: How do I plug in the unit?
A: Please refer to the "4. Setup and Installation" section, specifically "4.2. Host Device Wiring Diagram" and "4.3. Rear Camera Connection Method" for detailed wiring instructions. Professional installation is recommended.
12. Warranty and Support
This product comes with a 1-year warranty from the date of purchase.
The warranty does not cover damages caused by improper installation, misuse, accidents, modifications, or unauthorized repairs. Please ensure all installation and operation guidelines in this manual are followed to maintain warranty validity.
For further assistance or technical support, please contact your seller or an authorized service center.
A detailed user manual in PDF format is available for download: User manual (PDF)