1. Introduction
Thank you for purchasing the ATUOTIN Digital Car Radio. This 1Din multimedia player is designed to enhance your in-car audio experience with a range of features including DAB+ digital radio, FM/AM/RDS tuner, Bluetooth connectivity for hands-free calls and music streaming, dual USB ports, TF card support, and a customizable 7-color backlight. Please read this manual carefully before installation and operation to ensure proper use and to maximize the product's performance.
2. Safety Information
- Ensure the vehicle's power is disconnected before installation to prevent electrical shock or short circuits.
- Professional installation is highly recommended. Incorrect wiring can damage the device or the vehicle's electrical system.
- Do not operate the device in a way that distracts you from driving. Always prioritize road safety.
- Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or moisture.
- Use only the specified voltage (DC 12V) for this device.
3. Package Contents
Please check that all items are present in the package:
- 1 x Host Unit (Car Stereo Player)
- 1 x User Manual
- 2 x Power Cables
- 2 x Mounting Plates
- 1 x Radio Antenna
- 1 x Remote Control (Note: Requires two AAA batteries, not included)
4. Product Overview
4.1. Front Panel Layout
Front Panel Controls:
- POWER/MODE: Press to turn on/off, short press to switch modes (Radio, USB, TF, AUX, BT).
- CALL END: End a call.
- VOL/SEL: Rotary knob for volume adjustment. Press to cycle through audio settings (Bass, Treble, Balance, Fader, EQ).
- CLOCK: Display/set time.
- AUX INPUT: 3.5mm jack for external audio devices.
- RESET: Small button to reset the unit to factory settings.
- USB READ: USB port for media playback.
- TF Card Slot: Slot for TF card media playback.
- USB CHARGING: Dedicated USB port for charging mobile phones (5V/1A).
- PREV/BAND/AMS: Short press for previous track/station. Long press for automatic station scan (AMS). In radio mode, short press to switch bands (FM1, FM2, FM3, AM1, AM2, DAB+).
- NEXT/ANSWER CALL: Short press for next track/station. Answer an incoming call.
- MUTE: Mute/unmute audio.
- 1 PLAY/PAUSE: Play/pause media. Preset 1 for radio.
- 2 REPET: Repeat track. Preset 2 for radio.
- 3 RANDOM: Random playback. Preset 3 for radio.
- 4 INTRO: Intro scan. Preset 4 for radio.
- 5 TRACK-10: Skip back 10 tracks. Preset 5 for radio.
- 6 TRACK+10: Skip forward 10 tracks. Preset 6 for radio.
4.2. Rear Panel Connections
Refer to the lower part of the diagram above for rear panel connections.
- RADIO ANTENNA: Connect your car's radio antenna here.
- RCA AUDIO OUTPUT: For connecting external amplifiers or subwoofers.
- 12P PLUG SOCKET: Main power and speaker wire harness connection.
4.3. Dimensions
5. Specifications
| Feature | Specification |
|---|---|
| Certification | NONE |
| Special Features | Radio Tuner |
| Origin | Mainland China |
| Display Size | 7 inches |
| Placement | In-Dash |
| Voltage | DC 12V |
| OSD Language | English |
| Model Name | Digital Car Radio |
| Item Size | 188 x 60 x 58mm / 7.4 x 2.4 x 2.3 inches |
| Item Weight | 400g |
| Max Power | 450W |
| Audio Format Support | MP3, WMA, WAV, FLAC |
| Memory Card Expansion | Maximum 32G (TF card) |
| USB Ports | Dual USB (one for media, one for charging) |
| Mobile Phone Charging | Support (5V/1A) |
| Radio Band | FM, AM, RDS, DAB+ |
| Power Amplifier Chip | TDA7388 |
| Bluetooth Version | 4.0 |
6. Setup and Installation
This section provides general guidance for installation. Due to the complexity of vehicle electrical systems, professional installation is highly recommended.
6.1. Wiring Diagram
Key Wiring Connections:
- Power (Yellow wire): Connect to constant 12V power (B+).
- Accessory (Red wire): Connect to switched 12V power (ACC).
- Ground (Black wire): Connect to vehicle chassis ground.
- Speaker Wires: Connect to your vehicle's speakers. Ensure correct polarity (+/-) for each speaker.
- Antenna: Connect the radio antenna to the dedicated port.
- RCA Outputs: If using external amplifiers, connect RCA cables here.
Warning: Incorrect wiring can cause damage to the unit or your vehicle. If you are unsure, consult a professional installer.
6.2. Mounting the Unit
The unit is a standard 1DIN size. Use the provided mounting plates and screws to secure the unit into your vehicle's dashboard opening. Ensure it is firmly in place to prevent movement during driving.
7. Operating Instructions
7.1. Basic Operation
- Power On/Off: Press the POWER/MODE button to turn the unit on or off.
- Volume Control: Rotate the VOL/SEL knob to adjust the volume.
- Mode Selection: Short press the POWER/MODE button to cycle through available modes: Radio (FM/AM/DAB+), USB, TF Card, AUX, Bluetooth.
- Mute: Press the MUTE button to temporarily silence the audio. Press again to unmute.
- Clock Setting: Press the CLOCK button to display the time. Long press to enter time setting mode, then use the volume knob or arrow buttons to adjust.
7.2. Radio Operation (FM/AM/DAB+)
- Band Selection: In Radio mode, press the BAND/AMS button to switch between FM1, FM2, FM3, AM1, AM2, and DAB+ bands.
- Automatic Station Scan (AMS): Long press the BAND/AMS button to automatically scan and store strong stations.
- Manual Tuning: Use the PREV and NEXT buttons to manually tune to desired frequencies.
- Preset Stations: Short press number buttons (1-6) to select a stored preset station. Long press a number button to store the current station to that preset.
- RDS Functionality: The unit supports RDS (Radio Data System) for displaying station information where available.
- DAB+ Support: Enjoy high-resolution European DAB+ digital radio with crystal-clear audio.
7.3. Bluetooth Connectivity
- Pairing: Switch the unit to Bluetooth mode. On your mobile device, search for available Bluetooth devices and select "CAR BT" (or similar name). Enter PIN "0000" if prompted.
- Hands-free Calling: When a call comes in, press the NEXT/ANSWER CALL button to answer. Press the CALL END button to end a call.
- Music Streaming: Once paired, you can play music from your mobile device through the car stereo. Use the PREV and NEXT buttons to control playback.
7.4. USB/TF Card Playback
- Insert a USB drive or TF card into the respective slot. The unit will automatically switch to USB/TF mode and begin playback.
- Use the PREV and NEXT buttons to skip tracks.
- Press 1 PLAY/PAUSE to play or pause.
- Use 2 REPET for repeat modes, 3 RANDOM for random playback, and 5 TRACK-10 / 6 TRACK+10 for skipping tracks by 10.
- Supported audio formats include MP3, WMA, WAV, and FLAC.
7.5. AUX Input
- Connect an external audio device (e.g., smartphone, MP3 player) to the AUX INPUT jack on the front panel using a 3.5mm audio cable.
- Switch the unit to AUX mode using the POWER/MODE button.
- Audio will now play from your external device through the car stereo. Control playback from the external device.
7.6. Mobile Phone Charging
The unit features a dedicated USB port for charging mobile phones, providing 5V/1A output. Simply connect your phone's USB charging cable to this port.
7.7. 7-Color Backlight
The unit features a seven-color backlight for the buttons. The color can be changed to match your preference or vehicle interior. Refer to the specific instructions in the included manual for how to cycle through or set the backlight colors.
7.8. Remote Control
The included remote control provides convenient access to various functions:
- Power on/off
- Volume up/down
- Mode selection
- Track skip (previous/next)
- Play/pause
- Number buttons for radio presets
The remote control also features a memory function, ensuring the player remembers the last played track or volume level even after being powered off.
8. Maintenance
- Cleaning: Use a soft, dry cloth to clean the unit's surface. Do not use abrasive cleaners, waxes, or solvents.
- Dust: Regularly wipe away dust from the front panel and buttons to ensure smooth operation.
- Avoid Liquids: Do not allow liquids to enter the unit, as this can cause damage.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Incorrect wiring; Blown fuse; Vehicle battery low. | Check power and ground connections. Verify fuse. Check vehicle battery. |
| No sound | Speaker wires disconnected; Volume too low; Mute activated; Incorrect audio settings. | Check speaker connections. Increase volume. Deactivate mute. Adjust audio settings (e.g., balance, fader). |
| Poor radio reception | Antenna not connected or damaged; Weak signal area. | Ensure antenna is securely connected. Try a different location. Consider an amplified antenna. |
| Bluetooth not connecting | Unit not in Bluetooth mode; Device not discoverable; Already connected to another device. | Switch unit to Bluetooth mode. Make sure your phone's Bluetooth is on and discoverable. Disconnect from other devices. Try resetting both devices. |
| USB/TF card not playing | Unsupported file format; Corrupted media; Card/drive not inserted correctly. | Ensure files are in supported formats (MP3, WMA, WAV, FLAC). Try a different USB drive/TF card. Reinsert the media. |
If the problem persists after trying these solutions, please contact customer support.
10. User Tips
No specific user tips are available from the provided data.
11. Warranty and Support
For any issues, technical support, or warranty claims, please contact the seller or the manufacturer directly. Keep your purchase receipt as proof of purchase.