1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your MEKEDE 6.86 Inch 1Din Car Multimedia Player. This versatile unit offers a range of features including a 6.86-inch touchscreen display, CarPlay and Android Auto compatibility, Bluetooth for hands-free calling and music streaming, FM stereo radio, and media playback via USB and TF card. Please read this manual thoroughly before use to ensure proper functionality and safety.

2. Safety Information
To ensure the safety of yourself, your vehicle, and others, please adhere to the following guidelines:
- Read all relevant instructions carefully before using this device. Damage resulting from failure to follow instructions may void the warranty.
- For driving safety and to comply with traffic laws, do not watch videos or operate the machine while driving.
- Prevent short circuits by ensuring the device does not come into contact with water or other liquids.
- Do not place any metal objects (e.g., coins, tools) inside the device to avoid short circuits.
- Operate this machine according to the instructions in this manual. Do not attempt to open or repair the unit yourself. For repairs, consult a professional service center.
- Avoid prolonged use of the car multimedia player when the engine is off, as this may drain the car battery.
- Do not insert objects into the ventilation channels or any other openings of this device.
- Avoid touching, rubbing, or tapping the screen with sharp objects.
3. Package Contents
Upon opening the package, please verify that all items are present and in good condition:
- MEKEDE 6.86 Inch 1Din Car Multimedia Player Unit
- Wiring Harness
- User Manual (PDF available online)
- (Optional, depending on model) Rear Camera

4. Specifications
| Feature | Specification |
|---|---|
| Brand Name | MEKEDE |
| Display Size | 6.86 inch |
| Resolution | 1280*480 |
| Operating System | Wince |
| Din Size | One Din |
| Voltage | 12 V |
| Item Weight | 0.687 kg |
| Item Dimensions (OD1-OD3) | 188mm (W) x 80mm (H) x 63mm (D) |
| Item Dimensions (OD7-OD8) | 188mm (W) x 63mm (H) x 63mm (D) |
| Special Features | MP3 players, CarPlay, Android Auto, Reversing Input |
| Digital Media Format | Mp3, MP4 |
| OSD Language | Multi-language support including English, Chinese, German, French, Spanish, Portuguese, Russian, Japanese, Korean, etc. |
| TF/Micro SD Slot | 1 |
| Built-in Screen | Yes |
| Touch Screen | Yes |
| Material Type | Plastic and Metal |
| Certification | CE, FCC |
| Warranty | 1 year |
| CarPlay / Android Auto | Optional (Wired/Wireless depending on model) |
| USB / Type-C | Support |
| AUX Input | Support |
| Radio Function | Support |
| Reverse Image | Support (Optional Rear Camera) |
| Bluetooth Function | Support |


5. Setup Guide
5.1. Installation
The unit is designed for a standard 1DIN slot. Ensure your vehicle has adequate space for installation. Wiring is crucial for proper operation.
Wiring Connections:
Connect the included wiring harness to your vehicle's electrical system. The wires are typically labeled for easy identification. If your vehicle uses a different connector, an ISO adapter may be required.

Rear Camera Installation (Optional):
If your model includes a rear camera or you are installing an aftermarket camera, follow the wiring diagram below. The unit automatically displays the reverse image when the vehicle is in reverse gear.

5.2. Initial Power On
- When the vehicle's ignition is turned on, the multimedia player will automatically power on and enter the main interface.
- To shut down the unit, long press the power button on the screen for approximately three seconds.
6. Operating Instructions
6.1. Main Interface Navigation
The main interface provides access to all primary functions. Swipe left or right on the touchscreen to navigate between different pages of applications. A control bar in the upper right corner allows quick access to common settings.
6.2. Panel Button Functions
Refer to the physical panel of your unit for specific button layouts. Common functions include:
- Power/Mute Button: Short press to mute/unmute. Long press to power on/off the unit.
- Main Menu Button: Press to return to the main interface from any application.
- Return Key: Press to go back to the previous menu or screen.
- Volume Up/Down: Adjust the audio volume.

6.3. Radio Function
From the main interface, touch the 'Radio' icon to enter the radio interface.
- Waveband Switching: Touch 'FM/AM' to cycle through FM1, FM2, FM3, AM1, and AM2 bands.
- Fine-tuning Search: Use the arrow icons or drag the frequency slider to fine-tune stations.
- Automatic Search & Store: Long press the 'Search' icon to automatically scan and store available radio stations. Press again to stop the search. The FM band can store 18 stations, and the AM band can store 12 stations.
- Manual Pre-selection: Directly touch the numbered buttons on the left side of the screen to select a stored station.

6.4. Bluetooth Function
The unit supports Bluetooth for hands-free calling and wireless music streaming.
- Pairing and Connection:
- Enable Bluetooth on your mobile phone.
- On the multimedia player, navigate to the Bluetooth interface.
- Search for Bluetooth devices on your phone. The unit's name will typically appear as 'CAR BT_C790' or similar.
- Select the unit on your phone to pair. If prompted, enter the PIN code '0000'.
- Once paired, the unit will automatically connect to your phone when powered on.
- Phone Book: Access your phone's contacts directly from the unit's screen.
- Call Record: View your call history (dialed, received, missed calls).
- Bluetooth Music: Stream audio wirelessly from your paired phone.
6.5. CarPlay / Android Auto
This unit supports both Apple CarPlay and Android Auto, offering seamless integration with your smartphone for navigation, music, and communication.

- Wired Connection: Connect your smartphone to the unit's USB or Type-C port using an original USB cable. The unit will automatically launch CarPlay or Android Auto.
- Wireless Connection (for compatible models): After pairing your phone via Bluetooth, the unit may automatically establish a wireless CarPlay or Android Auto connection. Ensure your phone's Wi-Fi is also enabled for wireless projection.
6.6. Media Playback (USB/TF Card)
The unit supports playback of audio and video files from USB drives and TF (Micro SD) cards.
- Supported Audio Formats: MP3, WMA, WAV, AMR, APE, FLAC, AAC, MID.
- Supported Video Formats: MPEG, MPG, AVI, MP4, MKV, FLV.
- Supported Image Formats: JPG, PNG, BMP, JPEG.
Insert your USB drive or TF card into the respective slot. Navigate to the 'Music', 'Video', or 'Picture' icon on the main interface to browse and play your media files.
6.7. AUX Function
The front AUX audio input allows you to connect external audio devices such as mobile phones, MP3/MP4/MP5 players, and play their audio through the car's speakers.
6.8. Rear Camera Display
When an optional rear camera is connected and properly installed, the 6.86-inch screen will automatically switch to the rearview image when the vehicle is put into reverse gear. The unit provides video input display only and does not control the camera's functions.
6.9. Steering Wheel Control
For models supporting steering wheel controls, you can program the unit to respond to your vehicle's steering wheel buttons. This allows for safe control of music and calls while driving.
- Learning Function: In the settings menu, navigate to 'Wheel' or 'Steering Wheel Control Learning'. Follow the on-screen prompts to assign functions to your steering wheel buttons. Typically, this involves long-pressing a button on the steering wheel and then selecting the corresponding function on the unit's screen.
6.10. System Settings
Access the 'Setup' icon from the main interface to configure various system settings:
- Basic Setup: Configure options such as reverse mute, allowing video playback while driving (for passenger use only), parking brake switch, colorful light mode, and touchscreen calibration.
- Sound Effect Setup: Adjust audio parameters including bass amplitude, loudness, balance, and select from equalizer presets (Jazz, Classic, Rock, Pop, Soft, User) or customize your own.
- Display Settings: Adjust screen brightness, contrast, and saturation.
- Wallpaper: Choose a background image for your unit's interface.
- Screen Saver: Enable or disable the screen saver, set its activation time, and choose a preview effect.
- Language: Select your preferred OSD (On-Screen Display) language from the extensive list of supported languages.
- Clock: Adjust the year, month, day, hour, and minute. Set the time format to 12-hour or 24-hour.
- Version: View the current software (APP) and hardware (MCU) version information of your unit.
7. User Tips
- Easy Installation: Many users find the installation straightforward, especially when using a Metra harness, as the wires are neatly labeled.
- Wireless Connectivity: Wireless CarPlay and Android Auto generally work well once properly connected. Ensure both Bluetooth and Wi-Fi are active on your phone for wireless projection.
- Audio Enhancement: The unit has audio outputs that can be connected to an external amplifier and subwoofer for improved sound quality.
- Boot Logo Customization: To change the boot logo, prepare an SD card formatted as FAT32. Create a folder named 'logo' on the card and place an uncompressed JPG image (matching the screen resolution) inside.
- Volume Control: For models without a physical volume knob, adjust the volume using the responsive on-screen slider or touch controls.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power / Unit won't turn on | Blown fuse in power supply. Microprocessor malfunction. | Replace the fuse with one of the same model. If still no power, the unit may restart automatically after 10 seconds. |
| Settings are lost after ignition is turned off | Battery or fuse connection issue. | Check and secure battery connections or replace the fuse. Reset settings if necessary. |
| Poor radio reception | Weak radio signal. Antenna connection issue. | Move the vehicle to a location with better signal. Check the antenna connection. |
| No image from rear camera / Unit shows 'No Signal' in reverse | Incorrect camera wiring. Backup cable connected without a camera. Microprocessor malfunction. | Verify camera wiring. Disconnect the backup cable if no camera is installed. The unit may restart automatically after 10 seconds. |
| CarPlay/Android Auto freezes or restarts | Software glitch. Unstable connection. | Check for firmware updates. Ensure stable USB or Bluetooth connection. Restart the unit. |
| Poor Bluetooth call quality (noise, interruptions) | Interference. Microphone issue. | Try using an external microphone. Check phone's Bluetooth settings. |
| Steering wheel controls not working | Incompatibility. Incorrect wiring. | May require additional adapters or coding for your specific vehicle. Ensure correct wiring. |
| Sound cuts out intermittently | Loose connections. Software issue. | Check all wiring connections. Restart the unit. |
| Unit turns on/off unexpectedly | Wiring issues (e.g., ignition-sensing cable). Automatic CarPlay activation. | Verify all wiring connections. Ensure the ignition-sensing cable is correctly wired to power off with the car. |
9. Maintenance
9.1. Cleaning Equipment
- For light stains on the panel, use a clean, soft cloth (e.g., a cleaning cloth) to wipe them off.
- For heavily soiled panels, use a neutral cleaner to remove dirt, then wipe away any cleaner residue with a clean, soft cloth.
- Do not spray cleaning solutions directly onto the equipment, as this may damage internal mechanical parts.
- Avoid using acidic or volatile liquids such as thinner or alcohol to clean the panel, as they can damage the surface or erase characters.
10. Warranty and Support
Your MEKEDE Car Multimedia Player comes with a 1-year warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For more detailed guides, troubleshooting, and technical support, please refer to the official PDF user manual. You can typically find this document on the product's support page or by contacting the seller directly.