1. Introduction
Thank you for purchasing the Roadstar RS-2201 Car Radio MP3 Player. This manual provides detailed instructions for the installation, operation, and maintenance of your new car stereo. Please read this manual thoroughly before using the product to ensure proper functionality and safety. Keep this manual for future reference.
2. Safety Information
- Power Supply: This unit is designed for a 12V DC negative ground electrical system. Ensure correct wiring to prevent damage.
- Installation: Professional installation is recommended. Incorrect wiring can cause fire or damage to the vehicle's electrical system.
- Volume Level: Do not operate the unit at excessively high volume levels, as this may impair your ability to hear external traffic sounds and could be dangerous.
- Cleaning: Use a soft, dry cloth for cleaning. Avoid abrasive cleaners or solvents.
- Moisture: Keep the unit away from moisture and water to prevent electric shock or damage.
3. Package Contents
Verify that all items are present in the package:
- Roadstar RS-2201 Car Radio MP3 Player Unit
- Remote Control
- ISO Socket + AB Cables (Wiring Harness)
- Mounting Hardware (Screws, Mounting Frame)
- User Manual
4. Product Overview
The Roadstar RS-2201 is a fixed-panel car radio and MP3 player featuring a digital electronic tuning FM radio, USB, TF/MMC card slots, and an AUX-in port. It also includes Bluetooth for wireless audio streaming and hands-free calling.
The image displays the Roadstar RS-2201 car radio and MP3 player unit, showing its fixed black panel, LCD display, control buttons, USB port, and AUX input. The packaging highlights key features such as FM radio, 18 preset stations, USB/TF/MMC/AUX slots, 4x60W output (note: actual RMS is 4x25W), Bluetooth, and remote control.
Front Panel Controls:
- Power/Mode Button: Turns the unit on/off and switches between modes (FM, USB, SD, AUX, Bluetooth).
- Volume Knob: Adjusts audio output level. Press to access audio settings (Bass, Treble, Balance, Fader).
- LCD Display: Shows frequency, track information, clock, and other status indicators.
- USB Port: For connecting USB flash drives.
- TF/MMC Card Slot: For inserting TF (MicroSD) or MMC memory cards.
- AUX-in Jack: 3.5mm input for external audio devices.
- Band/AMS Button: In FM mode, selects radio bands (FM1, FM2, FM3) and performs automatic memory store.
- Seek/Track Buttons (◀◀ / ▶▶): In FM mode, tunes to previous/next station. In media playback, skips to previous/next track.
- Play/Pause Button: Controls media playback.
- Numeric Preset Buttons (1-6): Stores and recalls FM radio stations.
- EQ Button: Selects equalizer presets.
- Mute Button: Mutes audio output.
5. Setup and Installation
Warning: Incorrect installation can cause damage to the unit or vehicle. If you are unsure, seek professional assistance.
5.1 Wiring Diagram
The unit uses standard ISO socket and AB cables. Refer to the wiring diagram provided with your vehicle's manual or consult a professional installer.
- Yellow Wire (B+): Connect to constant 12V power supply (battery positive).
- Red Wire (ACC): Connect to switched 12V power supply (ignition switch).
- Black Wire (GND): Connect to vehicle chassis ground.
- Blue Wire (ANT): Connect to power antenna or amplifier remote turn-on.
- Speaker Wires: Connect to appropriate vehicle speakers. Ensure correct polarity (+/-) for each speaker. The unit supports 4 channels (4x25W RMS).
5.2 Mounting
The unit is designed for a standard single-DIN opening. Use the provided mounting frame and screws to secure the unit into the dashboard. Ensure the unit is firmly in place to prevent vibration and damage.
6. Operating Instructions
6.1 Basic Operation
- Power On/Off: Press the Power/Mode button to turn the unit on. Press and hold to turn off.
- Volume Adjustment: Rotate the Volume knob to increase or decrease the volume.
- Mode Selection: Press the Power/Mode button repeatedly to cycle through available modes: FM > USB > SD > AUX > Bluetooth.
6.2 Radio Operation (FM)
- Select FM Mode: Press the Mode button until 'FM' appears on the display.
- Change Band: Press the BAND button to switch between FM1, FM2, and FM3 bands.
- Manual Tuning: Press and hold the ◀◀ or ▶▶ buttons to manually tune the frequency.
- Automatic Seek: Briefly press the ◀◀ or ▶▶ buttons to automatically seek the next strong station.
- Store Presets: Tune to a desired station, then press and hold one of the numeric preset buttons (1-6) until you hear a beep. The station is now stored.
- Recall Presets: Briefly press a numeric preset button (1-6) to recall a stored station.
- Automatic Memory Store (AMS): Press and hold the BAND/AMS button to automatically scan and store the strongest stations into the current band's presets.
6.3 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 playback.
- SD/MMC Playback: Insert a TF (MicroSD) or MMC card into the card slot. The unit will automatically switch to SD mode and begin playback.
- AUX Input: Connect an external audio device (e.g., smartphone, MP3 player) to the front panel 3.5mm AUX-in jack using an audio cable. Press the Mode button to select AUX mode.
- Track Control: Use the ◀◀ and ▶▶ buttons to skip tracks. Press the Play/Pause button to pause or resume playback.
- ID3-Tag Support: The unit supports ID3-Tag display for compatible MP3 files, showing track title, artist, and album information.
6.4 Bluetooth Operation
The unit supports Bluetooth for wireless audio streaming (A2DP) and hands-free calling.
- Pairing:
- Ensure the unit is in Bluetooth mode (press Mode button until 'BT' or 'Bluetooth' appears).
- On your mobile device, enable Bluetooth and search for available devices.
- Select 'Roadstar RS-2201' (or similar name) from the list. If prompted for a password, enter '0000'.
- Once paired, the unit will confirm connection.
- Audio Streaming: Play music on your paired device, and it will stream wirelessly to the car stereo. Use the ◀◀ and ▶▶ buttons on the unit to control tracks.
- Hands-free Calling: When a call comes in, the unit will display the caller ID (if supported). Press the Answer button (usually the Play/Pause or a dedicated call button) to answer. Use the built-in microphone for communication.
6.5 Audio Settings
Press the Volume knob briefly to cycle through audio settings:
- BASS: Adjust bass level.
- TRE (Treble): Adjust treble level.
- BAL (Balance): Adjust left/right speaker balance.
- FAD (Fader): Adjust front/rear speaker balance.
- EQ (Equalizer): Press the EQ button to select preset equalizer modes (e.g., Pop, Rock, Classic, Flat).
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Incorrect wiring; Blown fuse; Loose connection | Check wiring connections (Yellow, Red, Black wires). Check vehicle's fuse box and the unit's fuse. Ensure connections are secure. |
| No sound | Volume too low; Mute activated; Incorrect speaker wiring; Mode not selected | Increase volume. Deactivate Mute. Check speaker wiring polarity. Ensure correct input mode (FM, USB, AUX, BT) is selected. |
| Radio reception poor | Antenna not connected; Weak signal; Interference | Ensure antenna is properly connected. Try tuning to a stronger station. Avoid areas with high electrical interference. |
| USB/SD not playing | Unsupported file format; Corrupted media; Incorrect mode | Ensure files are in MP3 format. Try a different USB drive/SD card. Select USB/SD mode. |
| Bluetooth not connecting | Device not in pairing mode; Incorrect password; Unit not in BT mode | Ensure your mobile device's Bluetooth is on and discoverable. Select Bluetooth mode on the unit. Re-enter '0000' if prompted for a password. |
8. Specifications
- Model: RS-2201
- Manufacturer: Roadstar
- Power Input: DC 12V (Negative Ground)
- Output Power: 4 x 25W RMS (4 Ohm)
- Display: LCD with frequency and digital clock
- Radio: FM Digital Electronic Tuning, 18 Preset Stations
- Media Playback: USB Type A, TF/MMC Card Slot, AUX-in (3.5mm)
- Audio Formats: MP3 (with ID3-Tag support)
- Bluetooth: Yes, A2DP (Audio Streaming), Hands-free calling (with included microphone)
- Audio Control: Bass, Treble, Balance, Fader adjustable, EQ Presets
- Remote Control: Yes
- Detachable Face: No
- Item Weight: Approximately 11 g (Note: This weight may refer to a component or packaging detail and not the full unit.)
9. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the unit's front panel. Do not use harsh chemicals, solvents, or abrasive cleaners, as they may damage the finish.
- Dust: Regularly clean dust from the USB port and card slot to ensure proper connection.
- Temperature: Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
10. Warranty and Support
The Roadstar RS-2201 Car Radio MP3 Player typically comes with a 1-year limited warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For technical support, service, or warranty inquiries, please contact your authorized Roadstar dealer or the customer service department through the contact information provided at the point of purchase.
