Neutral TN-X18

12.3-Inch Octa Core Car Stereo User Manual

Model: TN-X18 | Brand: Neutral

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your new 12.3-inch Octa Core Car Stereo. This multimedia system features a high-definition QLED display, Android 13 operating system, Wireless CarPlay, Android Auto, built-in GPS navigation, DSP audio processing, and Bluetooth 5.0 connectivity. Please read this manual thoroughly before using the product to ensure proper functionality and safety.

Front view of the 12.3-inch car stereo with key features displayed
Figure 1: Front view of the 12.3-inch car stereo highlighting its Octa-core processor, Android 13 OS, 4GB RAM, 64GB ROM, 1280x800 HD IPS screen, Wireless CarPlay, Wireless Android Auto, AKM DSP, Bluetooth 5.0, and Radio IC 4755.

2. What's in the Box

Carefully unpack the box and ensure all items are present and in good condition. If any items are missing or damaged, please contact your retailer.

  • 12.3-inch Car Stereo Main Unit
  • Power Harness
  • GPS Antenna
  • USB Cables (x2)
  • RCA Cables
  • Camera Input Cable
  • User Manual (this document)
Included accessories: main unit, power harness, GPS antenna, USB cables, RCA cables, camera input cable
Figure 2: Main unit and various included cables and accessories.

3. Setup and Installation

Professional installation is highly recommended for this car stereo system. Incorrect installation can lead to damage to the unit, your vehicle, or personal injury. Ensure the vehicle's battery is disconnected before beginning installation.

3.1 General Installation Steps

  1. Remove Existing Head Unit: Carefully remove your vehicle's existing stereo system and dashboard trim.
  2. Connect Power Harness: Connect the provided power harness to the car stereo and then to your vehicle's wiring harness. Ensure all connections are secure and correctly matched (e.g., constant power, accessory power, ground).
  3. Connect GPS Antenna: Mount the GPS antenna in a location with a clear view of the sky, typically on the dashboard or under the windshield, and connect it to the designated port on the stereo.
  4. Connect USB Cables: Route the USB cables to a convenient location (e.g., glove compartment) and connect them to the stereo. These are used for media playback and Android Auto.
  5. Connect RCA Cables (Optional): If you are connecting external amplifiers, subwoofers, or other audio/video devices, connect the appropriate RCA cables.
  6. Connect Camera Input Cable (Optional): If installing a rearview camera, connect its video output to the camera input cable and then to the stereo.
  7. Test Connections: Before fully reassembling the dashboard, temporarily connect the vehicle's battery and power on the stereo to test basic functions (power, audio, display, touch response).
  8. Secure the Unit: Mount the car stereo securely into the dashboard opening.
  9. Reassemble Dashboard: Carefully reattach all dashboard trim pieces.
Side view of the car stereo, illustrating its thin metal body and efficient heat dissipation.
Figure 3: The stereo features a thin metal body designed for efficient heat dissipation.

4. Operating Instructions

4.1 Basic Controls

The unit features a 12.3-inch QLED touchscreen and dual physical knobs for easy adjustment. The touchscreen allows for intuitive navigation through the Android interface, while the knobs provide quick access to volume control and other functions.

Car stereo installed in a dashboard, showcasing the 12.3-inch QLED display with dual knobs.
Figure 4: The 12.3-inch QLED display with dual knobs for intuitive control.

4.2 Android 13 Operating System

The stereo runs on Android 13, providing a familiar and customizable user experience. Navigate through apps, settings, and features just like on a tablet. The Octa-core processor (UIS8581A, 1.6GHz) ensures stable performance and efficient multitasking.

Diagram illustrating the 'Strong 8 Core' CPU for stable performance.
Figure 5: The powerful Octa-core CPU ensures smooth operation.

4.3 Wireless CarPlay & Android Auto

Connect your smartphone for a seamless in-car experience. Wireless CarPlay is supported for iPhones, and wired Android Auto is available for Android mobile phones. Use voice control via Siri or Google Assistant to make calls, play music, and navigate, promoting safer driving.

Comparison image showing Wireless CarPlay for iPhone and Wired Android Auto for Android phones, with voice control features.
Figure 6: Wireless CarPlay for iPhone and Wired Android Auto for Android devices.

4.4 GPS Navigation

The unit comes with built-in GPS functionality. Access navigation applications to get real-time directions and explore routes. Ensure the GPS antenna is properly installed for optimal signal reception.

4.5 Bluetooth 5.0 Connectivity

Pair your mobile phone via Bluetooth 5.0 for hands-free calling and audio streaming. Go to the Bluetooth settings on the stereo, enable Bluetooth on your phone, search for the stereo's device name, and pair them. The built-in microphone ensures clear call quality.

4.6 Radio Operation

Utilize the integrated radio (Radio IC: 4755) to tune into your favorite FM/AM stations. Use the touchscreen interface or physical knobs to scan for stations, save presets, and adjust settings.

4.7 DSP Audio Settings

The built-in Digital Sound Processor (DSP) with an imported ST7851 amplifier allows for advanced audio customization. Access the equalizer and sound settings to fine-tune the audio output to your preference, restoring realistic sound effects.

Car stereo screen displaying an audio equalizer, emphasizing 'Built-in DSP' for realistic sound effects.
Figure 7: Built-in DSP for advanced audio customization.

4.8 Rearview Camera Support

The system supports AHD rearview cameras. When the vehicle is shifted into reverse gear, the multimedia player will automatically switch to the rearview camera video input, providing a large screen view to assist with parking.

Car stereo screen showing a rearview camera feed, indicating 'Support AHD RearView Camera' for safer parking.
Figure 8: Rearview camera display for enhanced parking safety.

4.9 WiFi Connection

Connect the stereo to a Wi-Fi network for high-speed internet access. This enables application downloads, online video streaming, music playback, and other rich entertainment options, enhancing your driving experience.

Screen displaying various app icons, highlighting 'WiFi Connection' for internet access and app downloads.
Figure 9: WiFi connectivity for internet access and app downloads.

5. Maintenance

5.1 Cleaning the Screen

Use a soft, lint-free cloth to gently wipe the touchscreen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive materials or harsh chemicals that could damage the display.

5.2 Software Updates

Periodically check for software updates through the system settings. Keeping the operating system updated ensures optimal performance, security, and access to new features. Follow the on-screen instructions carefully during the update process.

5.3 General Care

Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture. Ensure proper ventilation around the unit to prevent overheating.

6. Troubleshooting

If you encounter any issues with your car stereo, please refer to the following common problems and solutions:

  • No Power:
    • Check all power connections to ensure they are secure.
    • Verify the vehicle's fuse for the stereo is not blown.
    • Ensure the vehicle's ignition is on (if wired to accessory power).
  • No Sound:
    • Check volume levels on the stereo and any connected devices.
    • Verify speaker wire connections are correct and secure.
    • Ensure the audio source is correctly selected.
    • Check DSP settings; ensure no mute or extreme equalizer settings are applied.
  • GPS Not Working/Inaccurate:
    • Ensure the GPS antenna is properly connected and has a clear view of the sky.
    • Check GPS settings within the Android system.
    • Try restarting the unit.
  • Bluetooth Connectivity Issues:
    • Ensure Bluetooth is enabled on both the stereo and your mobile device.
    • Delete previous pairings and try pairing again.
    • Move your mobile device closer to the stereo.
    • Restart both devices.
  • Touchscreen Unresponsive:
    • Restart the unit.
    • Ensure the screen is clean and free of debris.

If the problem persists after trying these solutions, please contact customer support.

7. Specifications

Feature Specification
Model Number TN-X18
Product Name 12.3 inch universal Car Autoradio Radio Stereo Navigation Multimedia
Operation System Android 13
CPU Octa-core, UIS8581A, 1.6GHz
RAM + ROM 4GB RAM + 64GB ROM
Display Type IPS / QLED
Screen Size 12.3 inch
Resolution 1280*800 (HD)
Bluetooth Version 5.0
Radio IC 4755
Amplifier TDA7388
Special Features Built-In Speaker/Microphone, WiFi, Steering Wheel Control Support, Built-in GPS, Mobile Phone Link, Voice Control, DSP, CarPlay, Android Auto, Reversing Input
Digital Media Format Mp3, MP4, WMA, JPEG
Material Type Plastic+Metal (Full metal body with fan)
OSD Language Multi-language
Car Fitment Universal
Place of Origin Guangdong, China

8. Warranty and Support

This product comes with a 1-year warranty from the date of purchase. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.

For technical support, warranty claims, or any other inquiries, please contact your original retailer or the manufacturer's customer service department. Please have your purchase receipt and product model number (TN-X18) ready when contacting support.

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