Uckazy 12.3 Inch Car Multimedia Stereo Touch Screen Instruction Manual

1. Product Overview

This Uckazy 12.3-inch car multimedia stereo touch screen is designed to upgrade your Mercedes Benz vehicle's infotainment system. It features an ultra-narrow 1920x720 HD IN-CELL screen with full lamination technology for enhanced display clarity and reduced reflection. The system operates on a Linux 4.5 system, allowing for a seamless switch between the new Linux interface and your original car's NTG system.

Key Features:

• Compatibility: Specifically designed for Mercedes Benz A-Class W176 (2013-2015), GLA-Class X156 (2014-2015), CLA-Class C117 (2013-2015), and G-Class W463 (2013-2015) equipped with the NTG 4.5/4.7 system. Ensure your original display LVDS plug is 4-pin for NTG 4.5 compatibility.
• Dual System: One-click switching between the Linux system and the original car system.
• Connectivity: Supports wireless/wired Apple CarPlay, wireless/wired Android Auto, wireless MirrorLink for iOS and Android phones, Bluetooth, and Wi-Fi.
• Audio: Built-in Digital Sound Processor (DSP) with 16 EQ segments for customizable sound quality.
• Original Car Functionality: Retains original car radio, amplifier function, steering wheel controls, mouse knob, display of speed, fuel level, oil pressure, safety warnings, and original reverse camera.
• Display: 12.3-inch (1920x720) IN-CELL screen with full lamination technology for improved transparency and reduced reflection.
• Automatic Light Sensitivity: Adjusts day and night mode based on your car's original headlights.

2. What's Included

Verify that all components are present in the package:

• Ultra narrow 12.3" in-cell display screen
• Plug and play power Cable/Frame
• USB/AUX/RCA Cable
• Installation tools and touch pen
• AMI cable

Figure 2.1: Included components for the Uckazy multimedia system.

3. Installation Guide

This device is designed for plug-and-play installation. However, careful attention to wiring and system settings is crucial for proper functionality. If you are unsure about any step, it is recommended to seek professional assistance.

3.1. Compatibility Check

Before installation, confirm your vehicle's NTG system version. This unit is compatible with NTG 4.5/4.7 systems. The image below illustrates the difference between compatible and incompatible systems based on the original radio unit and LVDS plug type.

Figure 3.1: Compatible Mercedes Benz models and NTG systems. Verify your original radio matches the NTG 4.5/4.7 example.

3.2. Wiring Connections

Carefully follow the wiring diagrams provided. Ensure all connections are secure and correctly matched to avoid damage or malfunction.

Figure 3.2: Wire Definition and Fiber Optic Connection. Pay attention to the right interface when connecting the power cable.

3.3. Connecting CarPlay/Android Auto (Wired)

For wired CarPlay or Android Auto, use USB1 (data link). USB2 is for storage only.

Figure 3.3: Wired CarPlay/Android Auto connection via USB1. Includes a tip for resolving sound noise.

3.4. AUX Connection

Insert the AMI cable directly. If your vehicle uses the original AUX (located in the manual gear position or passenger side storage box), ensure to turn off the AUX auto-switching setting in the system settings.

Figure 3.4: AMI and AUX connection points and relevant settings.

4. Operation

4.1. Dual System Switching

The unit allows for one-click switching between the new Linux system and your original car's NTG system. This ensures you retain all original vehicle functions while gaining access to modern infotainment features.

Figure 4.1: Seamless switching between the original car system and the Linux system.

4.2. CarPlay and Android Auto

Access navigation, phone contacts, email, notifications, and music through voice commands (Siri or Google Voice Assistant) or touch interaction. This feature enhances driving safety by minimizing distractions.

Figure 4.2: CarPlay interface with voice assistant functionality for navigation and communication.

Figure 4.3: Steps for connecting Wireless CarPlay.

4.3. Sound Customization (DSP)

The built-in DSP with 16 EQ segments allows for detailed adjustment of the overall sound quality. Use the EQ presets or customize settings to match your preferences, enhancing the music playback experience.

4.4. Automatic Light Sensitivity

The system automatically adjusts the screen brightness and display mode (day/night) based on your car's original headlight sensor, ensuring optimal visibility in various lighting conditions.

Figure 4.4: Day and Night Mode adjustment based on ambient light.

5. Settings

Access the 'Setup' menu to configure various aspects of the multimedia system.

5.1. OEM Resolution Setting

To ensure correct display of original car information, set the OEM screen resolution in the 'Car Settings' menu. Select the resolution that matches your original car's display.

Figure 5.1: Setting OEM Resolution and Camera Type. Incorrect settings may prevent proper display of original car information or reverse camera.

5.2. OEM Camera Setting

In 'Car Settings', select the correct camera type ('Original' or 'Aftermarket') for your reverse camera to function properly.

5.3. AUX Activation and Auto Switch

If using the original AUX input, navigate to 'Car Settings' and ensure 'AUX Activation' is enabled and 'Auto Switch to AUX' is configured as needed.

Figure 5.2: Car Settings menu for AUX configuration.

6. Troubleshooting

This section addresses common issues you might encounter during installation or operation.

6.1. No Sound

If there is no sound after installation, ensure the fiber optic cables from your original car CD unit have been correctly transferred to the new Linux system harness. Refer to Video 3.1 for detailed instructions on fiber optic cable transfer.

6.2. Noise in Sound (Wired CarPlay/Android Auto)

If you experience distorted sound or noise when using wired CarPlay or Android Auto, connect the 'AB' cable as indicated in Figure 3.3.

6.3. Original Car Information Not Displayed Correctly

This issue often arises from an incorrect OEM resolution setting. Navigate to 'Car Settings' and select the resolution that precisely matches your original car's screen. Refer to Figure 5.1.

6.4. Reverse Camera Not Working

Ensure the correct camera type ('Original' or 'Aftermarket') is selected in the 'Reversing Settings' under 'Car Settings'. Refer to Figure 5.1.

6.5. General Issues / Technical Support

If you encounter problems such as installation difficulties, sound issues, CarPlay not functioning, or the original car UI not displaying, please contact technical support. Many issues can be resolved with proper guidance.

Figure 6.1: Information on contacting technical support for assistance.

7. Specifications

8. Warranty and Support

This Uckazy product comes with a 1-year manufacturer warranty. For any technical assistance, installation queries, or troubleshooting, please contact the seller directly through the platform where you purchased the product. Providing details of your issue will help expedite support.