BQCC 4022D 1 DIN Car MP5 Player User Manual

1. Introduction

Thank you for choosing the BQCC 4022D 1 DIN Car MP5 Player. This device is designed to enhance your in-car entertainment and connectivity with its versatile features, including a 4.1-inch touchscreen, Bluetooth 5.0, FM radio, multimedia playback from USB and TF cards, and support for reversing cameras. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and user satisfaction.

2. Product Features

• 4.1-inch IPS Touchscreen Display: High-resolution 800x480 display for clear visuals.
• Bluetooth 5.0 Connectivity: Stable and fast connection for hands-free calls and audio streaming (BT calls, BT music).
• FM Radio Tuner: Supports FM 87.5~108.0MHz with automatic search and storage of radio stations.
• Multimedia Playback: Reads audio (MP3/WMA/WAV/APE/FLAC), video (RM/RMVB/AVI/MP4/MKV/3GP), and image (JPG/BMP/PNG) files from USB drives and TF cards.
• Reversing Video Input: Supports connection to an optional reversing camera for enhanced safety.
• RCA Audio Output: Allows connection to external amplifiers or subwoofers.
• Video Input and Output: Provides flexibility for connecting external video sources or displays.
• 7-Color Button Lights: Customizable button backlighting to match your car's interior or personal preference.
• USB Charging Interface: Convenient port for charging mobile devices.
• Steering Wheel Remote Control Support: For easy control without touching the screen.
• Wiring Protection: Features reverse power connection protection to prevent damage from incorrect wiring.

3. Product Accessories

The standard package for your BQCC 4022D Car MP5 Player includes the following items:

• BQCC 4022D Car MP5 Player Unit
• Power Wiring Harness (ISO 16P)
• Steering Wheel Remote Control
• User Manual
• (Optional: Reversing Camera, depending on purchased SKU)

4. Panel Button Introduction

Familiarize yourself with the control panel buttons and their functions:

5. Installation & Wiring

5.1 Product Dimensions

5.2 Wiring Diagram

Proper wiring is crucial for the safe and correct operation of your MP5 player. Refer to the diagram below for rear panel connections:

5.3 Wiring Protection Feature

This unit includes a wiring protection function. If the positive and negative poles of the power supply are connected incorrectly, the device will enter a protection mode, preventing damage to the circuit board. This means:

• Reverse power connection will cause power failure protection.
• No burning of the machine.
• Reconnect correctly, and the machine can be started normally.

6. Operating Instructions

6.1 Basic Operation

• Power On/Off: Press the Power switch/Mode switch button (usually the central knob) to turn the unit on or off.
• Mode Selection: Briefly press the Power switch/Mode switch button to cycle through available modes (FM, USB, TF, Bluetooth, AV-IN).
• Volume Control: Rotate the central knob to adjust the volume.
• Mute: Press the Mute button to silence the audio.

6.2 Radio Operation (FM)

• Frequency Range: FM 87.5~108.0MHz.
• Band Switching: Press the BAND APS button to switch between FM bands.
• Automatic Search and Store: Press and hold the BAND APS button to automatically search for and store radio stations.
• Manual Tuning: Use the Previous track/Left and Next track/Right buttons for manual tuning.
• Preset Stations: Use buttons 1-6 to select preset stations.

6.3 Bluetooth Function

The unit supports Bluetooth 5.0 for hands-free calling and audio streaming.

• Pairing: On your mobile device, search for Bluetooth devices and select "CAR BT" or "CAR KIT". Enter "0000" if a PIN is required.
• Hands-free Calls: Use the Answer call and Hang up buttons on the panel or remote.
• Bluetooth Music: Play audio from your paired device.

6.4 Media Playback (USB/TF Card)

• Insert Media: Insert a USB drive into the USB port or a TF card into the TF card slot. The unit should automatically switch to the corresponding mode.
• Navigation: Use the touchscreen or panel buttons to navigate through folders and files.
• Supported Formats:
  • Audio: MP3/WMA/WAV/APE/FLAC
  • Video: RM/RMVB/AVI/MP4/MKV/3GP
  • Image: JPG/BMP/PNG

6.5 Reversing Video

If an optional reversing camera is connected, the display will automatically switch to the camera view when the vehicle is put into reverse gear.

6.6 Steering Wheel Remote Control

The included steering wheel remote control allows convenient operation of the player without needing to reach for the main unit.

6.7 Installation Effect

Below is an example of the BQCC 4022D installed in a car dashboard, demonstrating its integrated appearance and display functionality.

7. Specifications

8. Troubleshooting

If you encounter any issues with your BQCC 4022D, refer to the following common problems and solutions:

Q: The unit does not turn on, or the screen is not working.

A: Check the power cable connections. The yellow wire (B+) must be connected to a constant 12V supply, and the red wire (ACC) to the car's ignition key cable (12V when car is on, 0V when off). Ensure the black wire is connected to the negative pole. Also, check for blown fuses in both the car's electrical outlets and the unit itself.

Q: No sound is coming from the speakers.

A: Verify that the speaker wires are connected correctly according to the manual's interface definition or the body label. Incorrect wiring can damage the power amplifier chip.

Q: The unit does not remember the last radio station or music settings.

A: This usually indicates that the red and yellow power wires are reversed. Ensure the yellow wire (B+) is connected to a constant 12V supply and the red wire (ACC) to the ignition key cable (12V when car is on, 0V when off).

Q: Cannot read or play media from SD card or USB drive.

A: Try using an 8GB or 16GB storage device, as some large-capacity devices may not be supported. Format the storage device to its default file system. Ensure media files are in supported formats (Audio: MP3/WMA/WAV/APE/FLAC; Video: RM/RMVB/AVI/MP4/MKV/3GP; Image: JPG/BMP/PNG).

Q: Bluetooth connection fails or functions abnormally after connection.

A: On your mobile device, search for the unit's Bluetooth name, which is typically "CAR BT" or "CAR KIT". If you have previously paired other devices that are not currently connected, delete them from your phone's Bluetooth list, as they might interfere with new pairings.

9. User Tips

• Professional Installation: For wiring and disassembly, it is highly recommended to seek professional assistance to avoid damage to your car or the unit.
• Media Compatibility: While the unit supports various media formats, using commonly encoded files and smaller capacity (8GB/16GB) USB/SD cards can improve compatibility and playback reliability.
• Bluetooth Management: If experiencing Bluetooth issues, ensure your phone's Bluetooth list is clear of old, unused pairings before attempting to connect to the MP5 player.

10. Maintenance

To ensure the longevity and optimal performance of your BQCC 4022D Car MP5 Player, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the unit's display and exterior. Avoid using abrasive cleaners, solvents, or chemical sprays, as they can damage the surface.
• Avoid Liquids: Keep the unit away from water and other liquids. If liquid enters the unit, immediately turn off the power and consult a professional for inspection.
• Temperature: Do not expose the unit to extreme temperatures (hot or cold) for extended periods, as this can affect its electronic components.
• Dust and Debris: Regularly check and clean the USB and TF card slots to prevent dust and debris from accumulating, which could interfere with connections.

11. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your purchase receipt as proof of purchase.