1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your MekedeTech DUDUAUTO DUDU7 2K Touch Screen Car Radio Stereo. Please read this manual thoroughly before using the product to ensure proper function and to prevent damage.
2. Key Features
- High-Resolution Display: Features a 2000x1200 2K touch screen for clear visuals.
- Advanced Operating System: Runs on Android 13 for a modern and flexible user experience.
- Powerful Processor: Equipped with an 8-core UIS7870 A76 2.7GHz 6nm processor for superior performance.
- Fast Storage: Utilizes UFS 3.1 memory for rapid data reading (1700MB/s+).
- Precise Navigation: Integrated Dual Band 6-mode GPS (L1, L5, B1, B2a, E1, E5a) for enhanced positioning accuracy.
- Clear Communication: Digital noise-cancelling microphone ensures clear voice transmission.
- Versatile Connectivity: Includes USB 3.2 Gen1 (Type-C) and three USB 2.0 ports.
- Superior Audio: Features TDA7808 Digital AB type amplifier and AKM7739 Velvet Audio Technology DSP for enhanced sound quality.
- Advanced Bluetooth: Qualcomm 3031 Bluetooth 5.0 chip supports aptX HD protocol for high-quality wireless audio.
- Comprehensive Audio Output: Optical, Coaxial, and RCA 5.1 channel audio outputs.
- High-Speed Wireless: Supports 802.11a/b/g/n/ac 5G WiFi.
- Seamless Smartphone Integration: Supports both wired and wireless Apple CarPlay and Android Auto.
- 360 Panoramic System: Compatible with 360-degree panoramic imaging systems for enhanced vehicle awareness.
Image 2.1: Comparison of UIS 7870 CPU performance against other chips, highlighting its superior processing capabilities.
Image 2.2: The intelligent car navigation interface of the DUDUAUTO head unit, showing map and media playback.
Image 2.3: Overview of DUDU OS 3.5, illustrating both simplified and enthusiast modes for flexible operation and customizable module combinations.
Image 2.4: Diagram explaining the digital noise-cancelling microphone technology, showing raw acoustic signal, high-definition digitization, and noise-reduced signal.
Image 2.5: Demonstrates the Bluetooth aptX HD audio quality and the user interfaces for wireless/wired Apple CarPlay and Android Auto. Also shows the built-in Type-C port.
Image 2.6: Illustrates various screen sizes and styles available for the DUDU7 head unit, including 13-inch, 11.5-inch, 10.1/10.36-inch, 9.0/9.5-inch, and 12.3-inch options.
3. Package Contents
Verify that all items are present in the package before installation.
- MekedeTech DUDUAUTO DUDU7 Touch Screen Head Unit
- ISO Power Cable
- Microphone (external)
- 4G Antenna
- GPS Antenna
- RCA Cable with 4G Card Slot
- Reversing Camera Cable (if included with specific model)
- 6-Pin USB Cable
- 4-Pin USB Cable
Image 3.1: Diagram showing the rear connections of the DUDU7 head unit and various included accessories such as the microphone, antennas, and USB cables.
4. Setup and Installation
Professional installation is recommended for car stereo systems. Ensure the vehicle's power is disconnected before beginning installation.
4.1. Wiring Connections
Refer to the wiring diagram (Image 3.1) for detailed connection points. Key connections include:
- Power Cable (ISO): Connect to the vehicle's power harness. Ensure correct polarity.
- Radio Antenna: Connect the vehicle's radio antenna.
- GPS Antenna: Mount the GPS antenna in a location with a clear view of the sky, typically on the dashboard or under the windshield.
- 4G Antenna: Connect the 4G antenna for mobile data connectivity.
- Microphone: Connect the external microphone for hands-free calling and voice commands.
- USB Ports: Connect USB devices such as flash drives or smartphones. The Type-C port supports USB 3.2 Gen1.
- RCA Cables: For external amplifiers, subwoofers, or auxiliary video inputs/outputs.
- Reverse Video Cable: Connect for a reversing camera input.
- 360 Panoramic Device: Connect compatible 360-degree camera systems.
- Cooling Fan: Ensure proper ventilation around the unit.
4.2. Mounting the Head Unit
Securely mount the head unit in the vehicle's dashboard opening. Ensure all cables are properly routed and not pinched. Test all functions before fully reassembling the dashboard.
5. Operating Instructions
5.1. Power On/Off
The unit will typically power on automatically with the vehicle's ignition. To manually power off or restart, long-press the power button (if available) or use the software options in the Android interface.
5.2. Touch Screen Interface
Navigate the Android 13 interface using the multi-touch screen. Swipe, tap, and pinch gestures are supported. Customize the home screen with widgets and app shortcuts.
5.3. Navigation (GPS)
Access pre-installed navigation applications or download preferred apps from the Google Play Store. The dual-band GPS provides accurate positioning for turn-by-turn directions.
5.4. Bluetooth Connectivity
- Go to the Bluetooth settings menu on the head unit.
- Enable Bluetooth on your smartphone and search for available devices.
- Select "DUDUAUTO" or a similar device name from the list and pair.
- Once paired, you can make/receive calls and stream audio with aptX HD quality.
5.5. Apple CarPlay & Android Auto
The unit supports both wired and wireless CarPlay and Android Auto.
- Wireless Connection: Ensure Bluetooth and Wi-Fi are enabled on your smartphone. Follow the on-screen prompts on the head unit to connect.
- Wired Connection: Connect your smartphone to one of the USB ports using a compatible USB cable. The system will automatically detect and launch CarPlay or Android Auto.
5.6. Audio Settings
Access the audio settings to adjust equalizer presets, balance, fader, and utilize the AKM7739 DSP for fine-tuning sound output. Optical, coaxial, and RCA 5.1 channel outputs provide flexibility for external audio systems.
5.7. Radio
Use the built-in radio application to scan and save your favorite FM/AM stations. The TDA7708 Radio IC ensures stable reception.
5.8. 360 Panoramic System
If a compatible 360-degree panoramic camera system is installed, access its interface through the dedicated application on the head unit for a comprehensive view around your vehicle.
6. Maintenance
- Screen Cleaning: Use a soft, lint-free cloth to gently wipe the touch screen. Avoid abrasive cleaners or solvents.
- Software Updates: Periodically check for system software updates through the unit's settings menu to ensure optimal performance and access to new features.
- Ventilation: Ensure the cooling fan and vents are not obstructed to prevent overheating.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Incorrect wiring; Blown fuse; Vehicle ignition off. | Check power cable connections; Inspect vehicle fuses; Ensure ignition is on. |
| No Sound | Volume too low; Mute activated; Speaker wiring issue; Incorrect audio output selected. | Increase volume; Check mute status; Verify speaker connections; Select correct audio output in settings. |
| GPS Signal Loss | GPS antenna obstructed or disconnected; Poor satellite reception. | Ensure GPS antenna has a clear view of the sky; Check antenna connection. |
| Bluetooth Connection Issues | Device not in pairing mode; Interference; Incorrect pairing process. | Ensure smartphone Bluetooth is on and discoverable; Re-pair the device; Move closer to the unit. |
| CarPlay/Android Auto Not Launching | Incorrect USB cable; Phone not compatible; Software glitch; Wireless connection issues. | Use a certified USB cable; Ensure phone OS is up-to-date; Restart phone and head unit; Check Wi-Fi/Bluetooth for wireless connection. |
8. Technical Specifications
| Feature | Detail |
|---|---|
| Model | DUDU7-12-256-13-360 |
| Operating System | Android 13 |
| CPU | 8 Core UIS7870 Custom Version A76 2.7GHz 6nm Processor |
| Memory Type | UFS 3.1 (Read Speed 1700MB/s+) |
| Display | 2000x1200 2K Touch Screen |
| GPS | Dual Band 6-mode (L1, L5, B1, B2a, E1, E5a) |
| Microphone | Digital Noise Cancelling |
| USB Ports | 1x USB 3.2 Gen1 (Type-C), 3x USB 2.0 |
| Power Amplifier | TDA7808 Digital AB Type |
| DSP | AKM7739 Velvet Audio Technology |
| Bluetooth Chip | Qualcomm 3031 (Supports aptX HD, BT5.0) |
| Audio Output | Optical, Coaxial, RCA 5.1 Channel |
| WiFi Type | 802.11a/b/g/n/ac (Supports 5G WiFi) |
| Radio IC | TDA7708 |
| Working Voltage | 9V ~ 16V |
| CarPlay/Android Auto | Wired and Wireless Support |
| 360 Panorama | Supports 360 Panoramic Imaging System |
| Compatible Devices | Amplifier, Smartphone |
| Control Method | App |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your original point of purchase or the manufacturer directly. Retain your purchase receipt as proof of purchase.