YANFU 7862 Car Radio Android Multimedia System User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your YANFU 7862 Car Radio Android Multimedia System. Please read this manual thoroughly before use to ensure proper functionality and to familiarize yourself with all features.

For additional guides and documents, please refer to the User Manual (PDF).

2. Specifications

Package Dimensions: Length: 25 cm, Width: 23 cm, Height: 18 cm

Item Weight: 6.0 kg

Processing Time: 7 days

3. Installation Guide

The YANFU 7862 Car Radio is designed for a vehicle-specific custom fit for Mercedes-Benz GLC C-Class models from 2015 to 2022. It features a plug-and-play installation, eliminating the need for drilling or complex rewiring. The system fully retains factory functions such as steering wheel controls, original backup camera, and sound system settings.

Compatibility Check:

Ensure your car's dashboard matches the appearance shown in the images below. If your dashboard is identical, you can proceed with installation.

The head unit is designed to fit seamlessly with the original factory head unit panel. No cutting of the dashboard or additional frames are required. The package includes the original harness and plug-and-play cables, along with all necessary accessories like the GPS antenna and radio aerial adaptor.

System Versions:

The system supports different Mercedes-Benz NTG versions. Please identify your car's original system to ensure correct compatibility and functionality.

Optional LCD Instrument Panel:

An optional LCD instrument panel can be purchased separately for Mercedes-Benz W205 models from 2015-2018 to complement the multimedia system.

4. Basic Operation

4.1 Gesture Recognition

The system recognizes various touch gestures for interaction:

• Short-press: A quick tap on an icon or element.
• Long-press: Press and hold an icon for a few seconds to activate specific functions (e.g., draggable state for shortcuts).
• Drag: Move an icon or element across the screen.
• Slide: Swipe across the screen to navigate between interfaces or scroll.
• Multi-finger swipe: Specific gestures involving multiple fingers for certain functions.
• Swipe up and down: Used for scrolling content.
• Swipe left and right: Used for switching between multiple screens/interfaces.

4.2 Main Interface and Application Interface

Upon startup, the system defaults to the main menu page, displaying shortcuts to frequently used functions. You can customize the layout and swipe left or right to switch between multiple screens. To return to the main interface from any other screen, tap the Home icon .

To access the full application interface, tap the Application icon on the main interface.

4.3 Wallpaper Replacement

You can customize the system's wallpaper in two ways:

1. On the main interface, long-press any blank space to bring up options for wallpaper and live wallpaper settings.
2. Navigate to Settings > Devices > Display > Wallpaper and choose from available options.

4.4 Adding/Deleting Application Shortcuts

Adding Shortcuts:

1. From the application interface, long-press the desired app icon. It will enter a draggable state.
2. The system will automatically switch to the main menu. Drag the icon to your preferred location on the main menu screen.

Deleting Shortcuts:

1. Long-press an application icon or widget on the main menu. A delete button will appear.
2. Drag the icon/widget to the delete button. It will turn red, indicating it's in a deleteable state.
3. Release the icon/widget to remove the shortcut.

5. Key Features and Functions

5.1 Navigation Function

The system includes a built-in GPS for navigation. Tap the navigation icon on the main interface to enter the map interface. From there, you can tap the search icon to find destinations. The system supports various online and offline map applications such as Google Maps, Yandex, Navitel, iGO, Sygic, and Tomtom.

5.2 Bluetooth Function (Bluetooth 5.0)

The system features Bluetooth 5.0 for stable performance and strong compatibility, supporting high-fidelity digital sound signal transfer. Tap the Bluetooth icon on the main interface to access Bluetooth functions.

Bluetooth Call Record: View incoming, outgoing, and missed calls. Records are arranged by dialing time and can be deleted.

Bluetooth Phone: Connect your mobile phone to the car machine for hands-free calling.

1. Enable Bluetooth on both your mobile phone and the car system, setting your phone to "visible to everyone."
2. Search for the car's Bluetooth device on your phone and connect. The default pairing password is usually "0000".
3. Once connected, you can use the Bluetooth phone function.

Bluetooth Sync Phone Address Book: Synchronize your phone's contacts with the car system. Ensure Bluetooth connection is stable, then download the phone book. You may need to confirm the download request on your phone.

Bluetooth Music: Play music from your mobile phone through the car's audio system via Bluetooth. You can control track selection.

Bluetooth Device Search Interface: Search for nearby Bluetooth devices and manage connections.

Bluetooth Setting Interface: Customize the car's Bluetooth name and pairing password. Features like automatic answering for calls can be configured. A reset option is available to restore factory settings.

5.3 Video Playback

Tap the video icon on the main interface to enter the video playback interface. The player supports various formats including 3gp, mp4, m4v, flv, f4v, mkv, webm, and avi. It offers a simple interface with powerful decoding capabilities for high-definition video.

Video List: View videos by storage device. The left panel shows videos in the current storage, and the right panel shows video folders.

Picture-in-Picture (PIP): Click the PIP button to minimize the video playback interface, allowing it to overlay other applications. You can adjust the video size and switch to full screen.

5.4 Music Player

Access the music player from the main or application interface. If no playback history exists, it defaults to the list interface. You can view songs by list, folder, or artist. The player supports lossless music.

Play Interface: Displays song information and controls. Drag the progress bar for fast forward/rewind.

5.5 File Management

The file manager allows you to view and operate all files on the device and external storage. You can copy or move files by selecting them, choosing a destination, and confirming the action.

5.6 Picture Preview

Browse all image formats from internal and external storage. In browse mode, you can zoom in/out, move, and crop pictures. Long-press the screen to hide/show function buttons.

Picture Manipulation Functions:

• Set current picture as wallpaper.
• Switch to previous/next picture.
• Play/pause automatic picture slideshow.
• Rotate picture.

5.7 Steering Wheel Control

The system supports original car steering wheel controls. This allows you to manage music tracks, volume, and other functions directly from your steering wheel, enhancing safety and convenience.

Steering Wheel Button Learning:

If your car's steering wheel buttons support learning, you can customize their functions:

1. Press and hold the button on the steering wheel you wish to program.
2. On the system's interface, select the corresponding function button. Release the steering wheel button only when a valid resistance value appears below the function button on the screen.
3. Repeat for other buttons and click "Save" after learning. Each key can only learn one function.

Steering Wheel Button Functions:

• Power switch
• Mode key
• Navigation function
• Volume increase/decrease
• Mute function
• Previous/Next song
• Rewind/Fast forward
• Answer/Hang up call
• Save function
• Clear function

5.8 CarPlay & Android Auto

The system offers seamless integration with Apple CarPlay (wired/wireless optional) for iOS devices and supports Android Auto for Android smartphones. This allows for hands-free calling, music streaming, and voice-controlled operations, enhancing driving safety.

5.9 Voice Control

The intelligent voice control feature allows for hands-free operation, improving driving safety. The system boasts sensitive and extensive voice recognition capabilities.

5.10 Radio (FM-AM RDS)

The full-function car radio supports FM, AM, and RDS. It uses digital signal processing and allows for saving and renaming up to 30 stations. The NXP6686 PHILIPS chipset ensures high-quality reception.

Radio Functions:

• Switch between FM1, FM2, FM3 bands.
• Switch between long and short range.
• Switch stereo mode.
• Search for radio stations (scans all bands).
• Save radio stations (6 per band).
• Access radio settings (FM sensitivity, RDS switch, area).
• Edit station information.

5.11 DSP Digital Audio Processing

The built-in DSP (Digital Sound Processor) system allows for precise adjustment of audio frequencies, including subwoofer, bass, mid-bass, mid-range, mid-treble, treble, and super-treble. This enables customizable EQ settings for Hi-Fi sound quality.

Equalizer: Enter the equalizer interface to adjust sound effects. You can select preset sound effects or manually fine-tune settings for EQ, sound field, spatial effects, and sound enhancement.

5.12 Original Button Control & Information Display

The system supports highly resolved original car agreements, allowing it to display original car information such as reversing radar, reverse trajectory, fuel quantity, vehicle speed, and seat belt reminders. It also retains original button controls.

5.13 Optional Configurations

The system can be expanded with various optional accessories:

• 360 Camera: Supports front, rear, left, and right cameras to provide a comprehensive view around the vehicle, eliminating blind spots.
• TPMS (Tire Pressure Monitoring System): Real-time display of tire pressure and temperature (requires separate purchase).
• OBD (On-Board Diagnostics): Monitor the working status of your car and display diagnostic values (requires separate purchase).
• AV-OUT: Connect to headrest displays for rear-seat entertainment (requires separate USB video adapters).

5.14 Wireless Settings

Access wireless settings via Settings > Wireless & Networks > WLAN. Here you can:

• Turn Wi-Fi on/off and connect to available networks.
• Check data usage.
• View SIM card information (if inserted).
• Configure mobile network, portable hotspot, flight mode, and VPN functions.

5.15 Device Settings

Access device settings via Settings > Devices. Here you can:

• Display: Adjust screen brightness, wallpaper, and automatic black screen settings.
• Sound: Configure sound output effects, including touch screen sound, LOUD, power amplifier, bass, and equalizer.
• GPS: View GPS information and manage synchronization with positioning satellites.
• Storage: Check internal and external storage usage.
• Applications: View installed apps, uninstall, or stop external programs.

5.16 General Settings

General settings allow configuration of basic machine attributes and personal preferences.

Key General Settings:

• Turn on any key: Enable screen activation by any key press.
• Brake setting: Video display controlled by handbrake status.
• Image time overlay: Display time on the image screen.
• Reversing mirror image: Display reversing image in mirror mode.
• Reversing mute: Mute other sounds during reversing.
• Reversing sound reduction: Control background sound level during reversing.
• Backlight brightness control: Time control and small light control options.
• Default volume switch/Power-on default volume: Control and set the power-on default volume.
• GPS mixing/Mixing ratio: Control background sound output and ratio during navigation reports.
• Color light settings: Control button light color.
• Steering wheel settings: Access steering wheel learning interface.
• Navigation application settings: Set the default navigation map.
• Map copy: Copy map data packages to the target location.

5.17 Personal Settings

Access personal settings via Settings > User. Here you can:

• Location information: Set GPS satellite positioning for current location.
• Security: Manage device administration, fixed screen settings.
• Language and input method: Switch languages and add input methods.
• Backup and reset: Restore factory settings (not recommended without understanding implications).
• ACC off and delayed power off: Set power-off delay time.

5.18 System Settings

Access system settings via Settings > System. Here you can:

• Date and time: Set system time, usually automatically acquired via network.
• About device: View basic information about applications, system, and software.
• Distinguish information: Check IMEI number of the SIM card slot.

6. Maintenance

To ensure the longevity and optimal performance of your YANFU 7862 Car Radio Android Multimedia System, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the screen and exterior. Avoid abrasive cleaners or solvents that could damage the surface.
• Temperature: Operate the device within recommended temperature ranges. Extreme heat or cold can affect performance and lifespan.
• Software Updates: Periodically check for and install any available software updates to ensure the system runs efficiently and securely.
• Avoid Liquid Contact: Prevent liquids from entering the device, as this can cause severe damage.
• Professional Service: For any complex issues or repairs, consult with a qualified technician. Do not attempt to disassemble the unit yourself.

7. Troubleshooting (FAQ)

7.1 Bluetooth Connection Issues

Q: The mobile phone Bluetooth and the car Bluetooth cannot be paired and connected?

A: If the Bluetooth connection fails, try turning off and on your phone's Bluetooth, then search and connect again. If the issue persists, click the reset option in the Bluetooth settings of the car system. Wait a few seconds, then try pairing and connecting again.

7.2 No Sound from Bluetooth Music

Q: There is no sound from Bluetooth music?

A: Ensure that the paired mobile phone has its volume output enabled.

7.3 Phone Book Download Issues

Q: There is no response when you click to download the phone book?

A: After establishing a Bluetooth connection and clicking "download" for the phone book, your mobile phone should receive a request to download contacts. Confirm and allow this request on your phone.

7.4 Bluetooth Name Not Updated

Q: The Bluetooth name is not updated after setting?

A: If the Bluetooth name doesn't update immediately after being set, disconnect the Bluetooth connection and then reconnect by clicking the pairing option.

7.5 SD Card/USB Data Not Updating

Q: No data update at the first time when I plug in SD card or USB in the music player?

A: After inserting a storage device, the music player will detect and scan the data. If the stored data is large, it may take a few seconds to a minute to update. If it still doesn't update, ensure the storage device is properly mounted. Check the file browser to see if the corresponding storage directory exists; if not, re-plug the card or check the hardware connection.

7.6 Garbled Song File Names

Q: Song file name shows garbled code?

A: This occurs if the song's file name is not in a common format or a coding method compatible with the local language. This is a display error due to encoding.

8. User Tips

• Seamless Integration: The system is designed for a perfect fit. Ensure your car model and year (Mercedes-Benz GLC C-Class 2015-2022) are compatible for a smooth installation.
• Voice Control for Safety: Utilize the intelligent voice control feature for navigation, music, and calls to minimize distractions and enhance driving safety.
• Customize Your Experience: Take advantage of the customizable EQ settings in the DSP system to tailor the audio output to your preferences.
• Stay Updated: Regularly check for software updates to ensure optimal performance and access to the latest features.
• Expand Functionality: Consider optional accessories like the 360 camera or TPMS to further enhance your driving experience and safety.

9. Warranty and Support

The YANFU 7862 Car Radio Android Multimedia System comes with a one-year warranty.

For further assistance, technical support, or warranty claims, please contact your seller or refer to the official product documentation.