Car Radio MP3 Player

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your new Car Radio MP3 Player. Please read this manual thoroughly before using the product to ensure proper functionality and safety. This device is designed to enhance your in-car audio experience with modern features such as Bluetooth connectivity, multiple media inputs, and a user-friendly touch screen interface.

2. Safety Information

• Always ensure the vehicle is parked safely before operating the device's touch screen or making significant adjustments.
• Professional installation is highly recommended to prevent damage to the unit or your vehicle's electrical system.
• Do not expose the unit to moisture or extreme temperatures.
• Ensure all wiring connections are secure and properly insulated to avoid short circuits.
• Keep the volume at a level that allows you to hear outside traffic sounds.

3. Package Contents

Verify that all items are present in the package:

• 1 x Car Radio MP3 Player (Model 2025C)
• 1 x Power Cable / Wiring Harness
• 1 x User Manual (this document)

4. Product Overview

4.1 Front Panel Controls and Features

Front view of the Car Radio MP3 Player with 2.17 inch touch screen, USB, SD, AUX ports, and control knobs.

• 2.17 Inch Touch Screen: Main display for information and interaction.
• IR Sensor: For remote control (if included).
• SRC Button: Source selection (FM, USB, SD, AUX, Bluetooth).
• Handfree Button: For Bluetooth call functions.
• Rotary Knobs: For volume control and menu navigation.
• USB Port: For media playback and Type-C fast charging.
• SD Card Slot: For media playback.
• AUX Input: 3.5mm jack for external audio devices.

4.2 Rear Panel Connections

Rear view of the Car Radio MP3 Player with labeled wiring harness connector, RCA outputs (L-OUT1, L-OUT, R-OUT, R-OUT2), and antenna input (ANT).

• Power Cable Connector: For connecting the main power harness.
• Horn Cable Connector: For speaker connections.
• L-OUT1 / L-OUT / R-OUT / R-OUT2: RCA audio outputs for external amplifiers.
• ANT: Antenna input for FM radio reception.

4.3 Dimensions

Dimensional diagram of the car radio, showing front panel dimensions (18.6cm x 5.7cm), rear chassis dimensions (17.7cm x 5.4cm), and side depth (8.5cm).

• Front Panel: 18.6 cm (7.32 inches) width x 5.7 cm (2.24 inches) height
• Rear Chassis: 17.7 cm (6.97 inches) width x 5.4 cm (2.13 inches) height
• Depth: 8.5 cm (3.35 inches)

5. Installation

Proper installation is crucial for the performance and safety of your car radio. It is highly recommended to have this unit installed by a qualified professional.

5.1 Wiring Diagram

Refer to the rear panel diagram for connection points. The main wiring harness typically includes connections for power (constant 12V, ignition 12V, ground), speaker outputs, and antenna. Ensure correct polarity for all speaker connections.

Rear view of the Car Radio MP3 Player with labeled wiring harness connector, RCA outputs (L-OUT1, L-OUT, R-OUT, R-OUT2), and antenna input (ANT).

• Power Cable: Connect to vehicle's power supply (constant 12V, ignition 12V, ground).
• Horn Cable: Connect to vehicle's speakers. Ensure correct positive (+) and negative (-) connections for each speaker.
• ANT: Connect your car's FM antenna.
• RCA Outputs (L-OUT1, L-OUT, R-OUT, R-OUT2): Optional connections for external amplifiers.

5.2 Mounting

This unit is a standard 1-DIN size. Install it into your vehicle's dashboard using the provided mounting sleeve and hardware. Ensure it is securely fastened and does not obstruct any vehicle controls or airbags.

6. Basic Operation

• Power On/Off: Press the power button (usually integrated with the volume knob) to turn the unit on or off.
• Volume Control: Rotate the large knob on the front panel to adjust the volume level.
• Source Selection (SRC): Press the 'SRC' button to cycle through available audio sources: FM Radio, USB, SD Card, AUX Input, and Bluetooth.
• Menu Navigation: Use the touch screen or rotary knobs to navigate through menus and settings.

7. FM Radio Operation

Image displaying the FM radio interface on the car radio screen, tuned to 101.95 MHz.

• Select FM Source: Press the 'SRC' button until "FM" is displayed.
• Auto Scan: On the touch screen, select the auto-scan option to automatically search and store available radio stations.
• Manual Tuning: Use the arrow buttons on the screen or the rotary knob to manually tune to desired frequencies.
• Preset Stations: Save your favorite stations to preset buttons for quick access.

8. Media Playback (USB/SD/AUX)

• USB Playback: Insert a USB flash drive into the USB port. The unit will automatically switch to USB mode and begin playing compatible audio/video files.
• SD Card Playback: Insert a TF (Micro SD) card into the SD card slot. The unit will switch to SD mode and play compatible media.
• AUX Input: Connect an external audio device (e.g., smartphone, MP3 player) to the 3.5mm AUX input jack using an audio cable. Select "AUX" as the source.
• File Navigation: Use the touch screen to browse folders and select tracks.

9. Bluetooth Operation

• Pairing:
  1. Select "Bluetooth" as the source.
  2. On your mobile device, enable Bluetooth and search for available devices.
  3. Select "CarBT" (or similar name) from the list.
  4. If prompted, enter the pairing code (usually "0000" or "1234").
  5. Once paired, the unit will confirm the connection.
• Hands-Free Calling:
  • Answer/End Call: Press the Handfree button on the front panel or the corresponding icon on the touch screen.
  • Dialing: Use your phone or the unit's touch screen dialer (if available) to make calls.
• Bluetooth Audio Streaming (A2DP):
  • Once paired, audio from your mobile device will stream wirelessly to the car radio.
  • Use the unit's controls or your phone to play, pause, skip tracks, and adjust volume.

10. EQ Adjustment

Diagram showing the EQ adjustment interface on the car radio screen with options for bass, midrange, and treble control, and speaker balance.

The unit features an Equalizer (EQ) adjustment function to customize your audio experience. Access the EQ settings via the touch screen menu to adjust:

• Bass: Adjust low-frequency sounds.
• Midrange: Adjust mid-frequency sounds.
• Treble: Adjust high-frequency sounds.
• Speaker Balance/Fader: Adjust audio distribution between front/rear and left/right speakers.

Experiment with different settings to achieve strong bass, soft midrange, bright treble, and a transparent stereo sound according to your preference.

11. Type-C Fast Charging

Image demonstrating the Type-C fast charging port on the car radio, charging a mobile phone.

The front panel is equipped with a Type-C port that supports fast charging for compatible mobile phones and other devices. Simply connect your device using a Type-C cable to utilize this feature.

12. Specifications

13. Troubleshooting

14. User Tips

• For optimal sound quality, adjust the EQ settings to match your car's acoustics and your personal preference.
• Keep your USB drives and SD cards organized with compatible audio formats for seamless playback.
• When using Bluetooth for calls, ensure your phone is placed in a stable position for clear microphone pickup.

15. Warranty and Support

For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.