1. Introduktion
This manual provides detailed instructions for the installation, operation, and maintenance of your Meihua 9-inch Portable Android Multimedia Player. This device is designed to enhance your in-car entertainment and navigation experience with its advanced features, including GPS, DSP, CarPlay, and Android Auto. Please read this manual thoroughly before using the product to ensure proper function and safety.
2. Sikkerhedsoplysninger
- Brug altid enheden ansvarligt og i overensstemmelse med lokale færdselsregler. Uopmærksom kørsel kan føre til ulykker.
- Do not attempt to install or service the unit yourself if you are not qualified. Improper installation can cause damage to the device or your vehicle. Professional installation is highly recommended.
- Ensure all wiring connections are secure and properly insulated to prevent short circuits and electrical hazards.
- Hold enheden væk fra vand, fugt og ekstreme temperaturer.
- Clean the screen with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
3. Pakkens indhold
Please check the contents of your package against the list below. Note that some items, like the AHD Rear Camera, may be optional depending on your purchase.

Figure 3.1: Device Dimensions and Package List
Inkluderet tilbehør:
- Strømkabel
- Radio Antenne
- Installationsværktøj
- Mikrofon
- GPS antenne
- Canbus & Accessories (if applicable for your vehicle model)
- Originalt USB-kabel
- USB kabel
- Kamera input kabel
- Brugervejledning (dette dokument)
- RCA-kabel
- AHD Rear Camera (Optional)
4. Specifikationer
The Meihua 9-inch Portable Android Multimedia Player (Model SC7862S) features advanced hardware and software for a superior user experience.

Figure 4.1: Chip Specifications Overview
| Feature | Beskrivelse |
|---|---|
| Produktnavn | SC7862S |
| CPU | 2.0GHZ (dual core ARM Cortex-A75, six core ARM Cortex-A55) |
| Operativsystem | Android 10 |
| Kerne | 8-kerne |
| RAM/ROM-indstillinger | 4+64GB / 6+128GB / 8+128GB / 8+256GB |
| Skærmtype | QLED / 2K, Capacitive Touch Screen |
| Opløsningsmuligheder | 1280*720 / 2000*1200 |
| Bluetooth | BT5.0 |
| CarPlay/Android Auto | Trådløs + kablet |
| Nøglefunktioner | GPS, Stereo, Handsfree, Amplifier, DSP, CarPlay, Mirror Link, Android Auto, Picture-in-Picture, Split Screen, File Manager, Car Steering Wheel Control |
| Forbindelse | Bluetooth-enabled, Built-in GPS, MP3 / MP4 Players, Radio Tuner, Touch Screen, FM Transmitter, Backup Camera, Reversing Aid, USB, Built-in WiFi, 4G LTE |
| Placering | Dashboard (2DIN) |
| Garanti | 1 år |
5. Opsætning
5.1 Installation
Due to the complexity of car electrical systems and the need for precise wiring, professional installation is strongly recommended. Incorrect installation can damage the unit or your vehicle's electrical system.
Refer to the wiring diagram below for connection details. Ensure the vehicle's power is disconnected before beginning installation.

Figure 5.1: 7862S Navigation Interface Wiring Diagram
Nøgleforbindelser:
- Strømgrænseflade: Connect the main power cord to the vehicle's power supply.
- USB1/USB2 Interface: Til tilslutning af USB-enheder (f.eks. flashdrev, ekstern lagring).
- Radioantenne: Tilslut din bils radioantenne.
- GPS-antenne: Tilslut den medfølgende GPS-antenne for navigationsfunktion.
- 4G-antennegrænseflade: For 4G LTE connectivity.
- WiFi-antenne: Til WiFi-forbindelse.
- Kamera input: Til tilslutning af en bagside view camera or 360 camera system.
- RCA-indgang/udgang: Til eksterne lyd-/videoenheder.
- Protokolgrænseflade: For vehicle-specific CANBUS integration (if applicable).
Pin Definitions (Refer to diagram for exact numbering):
- GND: Power Ground
- BATT: Strømforsyning
- ACC: Tilbehør Power
- SYG: Lille lamp opdagelse
- BACK CON: Omvendt detektering
- AD1 IN / AD2 IN: Fangkong Testing Lines (for steering wheel controls)
- ANT+12V: Automatic antenna power
- OUT FR-/RL-/FR+/RL+/FL-/RR+/FL+/RR-: Speaker outputs (Front Right, Rear Left, Front Right, Rear Left, Front Left, Rear Right, Front Left, Rear Right)
- Sikring: Integrated fuse for protection.
Kind reminder: Do not plug or unplug any interface while the unit is powered on.
5.2 Indledende tænding
- Efter installationen skal du sikre dig, at alle forbindelser er sikre.
- Tænd for tændingen på dit køretøj. Multimedieafspilleren burde tænde automatisk.
- Følg alle instruktioner på skærmen for den første opsætning, f.eks. valg af sprog og tidszone.
6. Betjeningsvejledning
The Meihua multimedia player runs on Android 10, offering a familiar and intuitive interface. Navigate using the touch screen and physical buttons.
Video 6.1: User Interface Demonstration (Navigation, Video, Music, Radio)
6.1 Grundlæggende navigation
- Berøringsskærm: Tap, swipe, and pinch to interact with apps and menus, similar to a smartphone.
- Hjemknappen: Vender tilbage til hovedskærmen.
- Tilbage knap: Navigates to the previous screen or closes the current app.
- Lydstyrkekontrol: Juster lydudgangen.
- RST (Nulstil)-knap: En lille nålehulsknap til fabriksnulstilling, hvis det er nødvendigt (brug med forsigtighed).
6.2 Radiofunktion
Access the 'Radio' app from the home screen. You can scan for stations, save presets, and switch between FM bands. The unit supports RDS (Radio Data System) for displaying station information.
6.3 Multimedieafspilning
The player supports various audio and video formats. You can play media from USB drives, internal storage, or streaming apps when connected to the internet.
- Musik: Use the 'Music' app to browse and play audio files.
- Video: Use the 'Video' app to watch video files.
6.4 GPS-navigation
The unit comes with built-in GPS and supports various navigation applications (e.g., Google Maps). Ensure the GPS antenna is properly installed for optimal signal reception.

Figure 6.2: CarPlay Navigation Interface
6.5 Bluetooth Connectivity (BT5.0)
Par din smartphone via Bluetooth for håndfri opkald og lydstreaming.
- Gå til 'Indstillinger' > 'Bluetooth'.
- Enable Bluetooth on both the multimedia player and your phone.
- Søg efter available devices on your phone and select the multimedia player.
- Bekræft parringskoden på begge enheder.
6.6 CarPlay og Android Auto
The unit supports both wireless and wired CarPlay/Android Auto, allowing seamless integration with your smartphone for navigation, music, messages, and more.
- Kablet forbindelse: Connect your phone to the USB port using a compatible cable.
- Trådløs forbindelse: Ensure Bluetooth and Wi-Fi are enabled on your phone and the head unit. Follow the on-screen prompts to connect wirelessly.

Figur 6.3: Android Auto-grænseflade
6.7 DSP Sound Effect Adjustment
Utilize the built-in Digital Sound Processor (DSP) with 32-segment EQ regulation to customize your audio experience. Adjust bass, sound field, and apply 3D surround sound effects.

Figur 6.4: DSP-lydjusteringsgrænseflade
6.8 bag View Kamera support
The unit supports AHD (Analog High Definition) rear view cameras. When an optional AHD camera is connected and the vehicle is put into reverse gear, the display will automatically switch to the parking image, providing high-definition visual assistance.

Figur 6.5: AHD bagtil View Vise
6.9 4G LTE og WiFi-forbindelse
The built-in 4G modules and WiFi support allow you to stay connected to fast cellular data networks. You can insert an external 4G SIM card or connect to your phone's hotspot for internet access.

Figur 6.6: 4G LTE og WiFi-understøttelse
6.10 Customizable UI Interface
The Android system allows for a personalized user interface. You can customize themes, app layouts, and widgets to suit your preferences.

Figure 6.7: Customizable UI Options
7. Vedligeholdelse
- Rensning: Brug en blød, fnugfri klud til at rengøre skærmen og ydersiden. Undgå skrappe kemikalier.
- Softwareopdateringer: Tjek regelmæssigt for systemopdateringer i menuen 'Indstillinger' for at sikre optimal ydeevne og adgang til nye funktioner.
- Data backup: Regularly back up important data if stored on the device's internal memory.
8. Fejlfinding
- Ingen strøm: Kontroller alle strømtilslutninger. Sørg for, at køretøjets tænding er tændt. Bekræft, at sikringen er intakt.
- Ingen lyd: Check volume settings, speaker connections, and audio output settings. Ensure the ampLifier (hvis ekstern) er tændt.
- GPS-signal tabt: Sørg for, at GPS-antennen er korrekt tilsluttet og har en klar view af himlen.
- Problemer med Bluetooth-parring: Ensure Bluetooth is enabled on both devices and they are within range. Try restarting both devices.
- Berøringsskærm reagerer ikke: Try restarting the unit. If the issue persists, use the RST (Reset) button.
- Harness Compatibility: The harness is designed to work with all public 9-inch or 10.1-inch universal car radios. If you are unsure about compatibility with a specific radio, provide the radio's wiring definition for confirmation.
9. Brugertips
- For optimal ydeevne skal systemsoftwaren holdes opdateret.
- Utilize the DSP settings to fine-tune the audio to your personal preference and vehicle acoustics.
- Consider using a high-quality AHD rear camera for enhanced safety during reversing.
- Explore the customizable UI options to create a personalized and efficient dashboard experience.
10. Garanti og support
Dette produkt leveres med en 12 måneders garanti fra købsdatoen.
For technical support, warranty claims, or any inquiries, please contact Meihua customer service:
- Whatsapp: +86 18163698923
- E-mail: 3157693835@qq.com
Please have your product model (SC7862S) and purchase details ready when contacting support.