1. Introduction
The STRONGNAVI Smart Car Screen Multimedia Player (Models PD4 and PD5) is an advanced in-dash intelligent system designed to enhance your driving experience. It integrates a range of features including wireless Carplay, wireless Android Auto, Bluetooth (BT), Wi-Fi, Digital Sound Processor (DSP), Mirror Link, FM radio, and AUX connectivity. Available in two screen sizes, 6.86 inches (PD4) and 10.26 inches (PD5), this device offers seamless smartphone integration and high-quality audio-visual entertainment for your vehicle.

2. Product Features
- Wireless Carplay & Android Auto: Seamlessly integrate your smartphone for navigation, music, calls, and more without cables.
- Built-in DSP: Enjoy multi-dimensional surround lossless sound effects and a high-definition audio-visual feast with the integrated Digital Sound Processor.
- Media Playback: Supports SD card for playing videos, music, and viewing pictures and documents.
- Multiple Language Support: Operates in various languages including English, German, French, Spanish, Italian, Portuguese, Russian, Dutch, Polish, Japanese, Simplified & Traditional Chinese, Arabic, etc.
- Wireless Airplay/Wireless Link: Mirror your mobile phone screen (both iPhone and Android) directly to the car player.
- Bluetooth (BT): For hands-free calling and audio streaming.
- Wi-Fi Connectivity: For internet access and online features.
- FM/AUX: Connects to the original car stereo via FM transmission or AUX input without altering the car's existing audio system.
- Optional Rear Camera Support: Enhance safety with an optional AHD rear-view camera, providing clearer images than ordinary cameras.




3. Package Contents
Please check the package carefully upon receipt to ensure all items are present and undamaged.

- Host Machine (PD4 or PD5 model)
- Packing Box
- Pedestal (for mounting)
- Rear Camera (Optional, if purchased)
- AUX Cable
- Charger
4. Specifications
| Feature | PD4 Model | PD5 Model |
|---|---|---|
| Screen Size | 6.86 inch | 10.26 inch |
| Dimensions (Approx.) | 190mm (Width) x 78mm (Height) | 245mm (Width) x 95mm (Height) |
| Placement | In-Dash | |
| Brand Name | STRONGNAVI | |
| Origin | Mainland China | |
| Certification | CE, FCC | |
| Item Type | Car Monitors | |
| Wireless Carplay | Support | |
| Wireless Android Auto | Support | |
| Wireless Airplay/Link | Support | |
| Rear Camera | Support (Optional) | |
| Bluetooth (BT) | Support | |
| AUX | Support | |
| DSP | Support | |
| WIFI | Support | |
| SD Card | Support | |
| Multiple Languages | Support | |


5. Setup and Installation
The STRONGNAVI Smart Car Screen is designed for in-dash placement. Professional installation is recommended to ensure proper wiring and functionality.
5.1 Basic Installation Steps
- Mounting: Securely attach the host machine to your car's dashboard using the provided pedestal. Ensure it is stable and does not obstruct your view or vehicle controls.
- Power Connection: Connect the power cable to your vehicle's power supply. Ensure correct polarity to prevent damage.
- AUX Connection: If you plan to use the AUX input, connect the provided AUX cable from the smart screen to your car's AUX port.
- Optional Rear Camera (if applicable):
- The rear camera is typically wired. Run the camera cable from the rear of your vehicle to the smart screen unit on the dash.
- Connect the camera's power to your vehicle's reverse light circuit for automatic activation when reversing.
- Connect the video signal cable to the designated input on the smart screen.
- Initial Power On: Once all connections are secure, power on your vehicle and the smart screen.

6. Operating Instructions
6.1 Wireless Carplay / Android Auto
- Ensure your smartphone's Bluetooth and Wi-Fi are enabled.
- On the smart screen, select the "Carplay" or "Android Auto" icon.
- Follow the on-screen prompts to pair your phone wirelessly. Once connected, your phone's compatible apps will appear on the screen.
6.2 Wireless Airplay / Mirror Link
- Select the "Wireless Link" or "Airplay" option on the smart screen.
- On your smartphone, enable screen mirroring/casting and select the STRONGNAVI device from the list.
- Your phone's screen will be mirrored onto the smart screen.
6.3 Media Playback (SD Card)
- Insert a compatible SD card into the designated slot on the smart screen.
- Navigate to the "SD Card" or "Media Player" application.
- Browse and select your desired videos, music, pictures, or documents for playback.

6.4 Audio Settings (DSP, FM, AUX)
- DSP: Access the "EQ Setup" or "DSP" settings to customize sound profiles (e.g., Jazz, Classic, Pop, Rock) and adjust equalizer bands for optimal audio output.
- FM Transmission: To output audio through your car's speakers, tune the smart screen's FM transmitter to an unused FM frequency, then tune your car's radio to the same frequency.
- AUX: If connected via AUX cable, select the AUX input on your car's stereo system.
6.5 Language Settings
- Go to "Settings" on the smart screen.
- Select "Language" to choose your preferred operating language from the available options.

7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the screen and exterior. Avoid abrasive cleaners or solvents.
- Software Updates: Periodically check for software updates through the device's settings or the manufacturer's website to ensure optimal performance and access to new features.
- Environmental Conditions: Avoid exposing the device to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Loose power connection, vehicle power issue. | Check all power connections. Ensure vehicle ignition is on. |
| No audio output. | Incorrect FM frequency, loose AUX cable, volume too low. | Verify FM frequency matches car radio. Check AUX cable connection. Increase volume on both devices. |
| Wireless Carplay/Android Auto not connecting. | Bluetooth/Wi-Fi off on phone, incorrect pairing. | Ensure phone's Bluetooth and Wi-Fi are on. Re-attempt pairing process. Restart both devices. |
| Rear camera not displaying. | Incorrect wiring, camera power issue, incompatible camera. | Check camera wiring to the smart screen and reverse light power. Ensure camera is compatible (AHD recommended). |
| Screen mirroring (Airplay/Link) not working. | Phone not discoverable, network issues. | Ensure phone's screen mirroring is active and connected to the device's Wi-Fi. |
9. User Tips
- Optimal Audio: Experiment with the built-in DSP's equalizer settings to find the perfect sound profile for your music preferences.
- Camera Connection: For the optional rearview camera, ensure all wiring is correctly installed and secured to avoid intermittent issues. If you experience problems, double-check the cable connections from the camera to the unit.
- Language Customization: Take advantage of the multiple language options to set the interface to your most comfortable language.
- Screen Resolution: While the device supports various inputs, ensure any external cameras or media have resolutions compatible with the screen for the best display quality.
10. Warranty and Support
10.1 Warranty Information
This STRONGNAVI Smart Car Screen Multimedia Player comes with a 365-day free replacement warranty.

10.2 Warranty Claim Process
- Buyer Contact Seller: If you encounter any quality problems with your device, please contact the seller (strongnavi GPS Store) directly.
- Confirm Quality Problems: Provide details and evidence of the issue to the seller for confirmation.
- Buyer Return Item to Seller: Once confirmed, you will be instructed to return the faulty item to the seller.
- Seller Receive Return: The seller will receive and inspect the returned item.
- Seller Send A New One: Upon successful verification of the quality problem, the seller will send a new replacement unit.
10.3 Technical Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact the strongnavi GPS Store directly through your purchase platform.





