1. Introduction
Thank you for purchasing the Soundmaster RCD1870SW Portable Digital Radio with CD Player. This device offers a versatile audio experience, combining DAB+ and FM radio reception with a CD player, USB playback, and convenient features like an alarm clock and audiobook function. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
2. Safety Instructions
Please read these safety instructions carefully before operating the device and retain them for future reference. Incorrect use may result in electric shock, fire, or other hazards.
- Power Source: Use only the provided power adapter. Ensure the voltage matches the requirements specified on the adapter.
- Water and Moisture: Do not expose the device to rain, moisture, or dripping/splashing liquids. Do not place objects filled with liquids, such as vases, on the device.
- Ventilation: Ensure adequate ventilation. Do not block ventilation openings. Avoid placing the device on soft surfaces that may obstruct airflow.
- Heat: Keep the device away from heat sources such as radiators, heat registers, stoves, or other heat-producing appliances.
- Cleaning: Unplug the device from the power outlet before cleaning. Use a soft, dry cloth. Do not use liquid cleaners or aerosol cleaners.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Batteries: If using batteries, ensure they are inserted with correct polarity. Do not mix old and new batteries or different types of batteries. Remove batteries if the device will not be used for an extended period.
3. Package Contents
Verify that all items are present in the packaging:
- Soundmaster RCD1870SW Radio Unit
- Power Adapter
- Owner's Manual (this document)
4. Product Overview
Familiarize yourself with the main components and controls of your Soundmaster RCD1870SW.

Image 1: Front view of the Soundmaster RCD1870SW, showing the control panel, display, CD compartment, and speakers. The telescopic antenna is extended.

Image 2: Angled view of the Soundmaster RCD1870SW, highlighting the top control panel with buttons for power, mode, menu, info, OK/scan, tune, preset, program, repeat, eject, and volume. The display shows "99.80MHz [Kein RadioText]".
Control Panel Layout:
- Power Button (⏻): Turns the unit on or off.
- MODE Button: Switches between DAB+, FM, CD, USB, and AUX modes.
- MENU Button: Accesses menu options for the current mode.
- INFO Button: Displays additional information (e.g., radio station details, track info).
- OK/SCAN Button: Confirms selections or initiates a scan for radio stations.
- ◀◀ / ▶▶ (Tune - / Tune +) Buttons: Navigates through radio frequencies, tracks, or menu options.
- PRESET Buttons (1-6): Stores and recalls favorite radio stations.
- PROG Button: Programs CD tracks or radio presets.
- REPEAT Button: Repeats current track or all tracks on CD/USB.
- EJECT Button: Opens the CD compartment.
- VOLUME Buttons (- / +): Adjusts the audio volume.
- Display: Shows current mode, station information, track details, time, etc.
- Telescopic Antenna: For improved radio reception.
- CD Compartment: For playing audio CDs.
- USB Port: For playing MP3 files from a USB drive.
- AUX Input: For connecting external audio devices.
5. Setup
5.1 Power Connection
Your Soundmaster RCD1870SW can be powered by the included AC adapter or by batteries (not included).
- AC Power: Connect the provided power adapter to the DC IN jack on the back of the unit and then plug it into a standard wall outlet.
- Battery Power: Open the battery compartment on the back of the unit. Insert the required number of C-size batteries (refer to the compartment for polarity and quantity). Close the compartment securely.
5.2 Antenna
For optimal radio reception, fully extend the telescopic antenna. Adjust its position for the best signal quality.
5.3 Initial Setup (DAB+ Radio)
Upon first power-on, the unit may automatically perform a full scan for DAB+ stations. If not, follow these steps:
- Press the MODE button to select DAB+ mode.
- Press the MENU button.
- Use the Tune - / Tune + buttons to navigate to "Full Scan" and press OK/SCAN to confirm.
- The radio will scan for available DAB+ stations and store them. This process may take a few minutes.
6. Operating Instructions
6.1 General Operation
- Power On/Off: Press the Power button (⏻) to turn the unit on or off.
- Volume Adjustment: Use the VOLUME - / + buttons to increase or decrease the sound level.
- Mode Selection: Press the MODE button repeatedly to cycle through DAB+, FM, CD, USB, and AUX modes.
6.2 Radio Operation (DAB+ / FM)
6.2.1 DAB+ Radio
- Ensure you are in DAB+ mode (press MODE).
- Use the Tune - / Tune + buttons to browse through the available stations.
- Press INFO to view details like program type, signal strength, and bit rate.
- Storing Presets:
- Tune to the desired station.
- Press and hold one of the PRESET buttons (1-6) until the display confirms the station is saved.
- Recalling Presets: Briefly press the desired PRESET button (1-6).
6.2.2 FM Radio
- Press MODE to select FM mode.
- Auto Scan: Press and hold OK/SCAN to automatically scan for and store available FM stations.
- Manual Tuning: Briefly press Tune - / Tune + to fine-tune the frequency. Press and hold to automatically seek the next strong station.
- RDS (Radio Data System): If available, station information will be displayed. Press INFO to cycle through available RDS data.
- Storing and Recalling Presets: Follow the same procedure as for DAB+ radio using the PRESET buttons.
6.3 CD Player Operation
- Press MODE to select CD mode.
- Press the EJECT button to open the CD compartment.
- Carefully place an audio CD or MP3 CD into the compartment with the label side facing up.
- Close the CD compartment. The unit will read the disc, and playback will start automatically.
- Play/Pause: The OK/SCAN button often functions as Play/Pause in CD mode.
- Skip Tracks: Use the Tune - / Tune + buttons to skip to the previous or next track.
- Fast Forward/Rewind: Press and hold Tune - / Tune + during playback.
- Repeat: Press REPEAT to cycle through repeat modes (e.g., repeat one track, repeat all tracks).
- Program Play: Press PROG to create a custom playback order for tracks. Follow on-screen instructions.
6.4 USB Playback
- Insert a USB flash drive containing MP3 files into the USB port.
- Press MODE to select USB mode.
- The unit will read the USB drive, and playback of MP3 files will begin.
- Use the Tune - / Tune + buttons for track navigation, and REPEAT for repeat functions, similar to CD playback.
6.5 Alarm Clock Function
The device features two independent alarm times.
- Press the MENU button.
- Navigate to "Alarm Setup" or similar option using Tune - / Tune + and press OK/SCAN.
- Select Alarm 1 or Alarm 2.
- Set the desired alarm time, alarm source (Buzzer, DAB+, FM, CD, USB), and volume using the navigation buttons and OK/SCAN.
- Ensure the alarm is set to "On".
- Snooze Function: When the alarm sounds, press any button (except Power) to activate snooze for a short period.
- Stop Alarm: Press the Power button to turn off the alarm for the day.
6.6 Sleep Function
The sleep timer allows the unit to automatically turn off after a set period.
- Press the MENU button.
- Navigate to "Sleep Timer" or similar option.
- Use Tune - / Tune + to select the desired sleep duration (e.g., 15, 30, 60, 90 minutes) and press OK/SCAN.
- The unit will automatically power off after the selected time.
6.7 Audiobook Function
This feature is designed for audiobook playback, allowing the device to remember the last playback position.
- When playing an audiobook from CD or USB, the device will automatically save the last playback position.
- Upon resuming playback of the same audiobook, it will continue from where it left off.
6.8 AUX Input
Connect an external audio device (e.g., smartphone, MP3 player) to the AUX IN jack using a 3.5mm audio cable (not included).
- Press MODE to select AUX mode.
- Audio from the connected device will now play through the Soundmaster RCD1870SW speakers. Control playback from the external device.
7. Maintenance
7.1 Cleaning
- Always unplug the device before cleaning.
- Use a soft, dry, lint-free cloth to wipe the exterior surfaces.
- Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
- For the CD lens, use a specialized CD lens cleaning kit if necessary.
7.2 Storage
If storing the unit for an extended period, remove any batteries and disconnect the power adapter. Store in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
If you encounter issues with your Soundmaster RCD1870SW, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power / Unit does not turn on. | Power adapter not connected properly; batteries depleted or incorrectly inserted. | Check power adapter connection. If using batteries, replace them or ensure correct polarity. |
| No sound. | Volume too low; incorrect mode selected; headphones connected. | Increase volume. Ensure correct mode (DAB+, FM, CD, USB, AUX) is selected. Disconnect headphones if external sound is desired. |
| Poor radio reception. | Antenna not extended or poorly positioned; weak signal area. | Fully extend and adjust the telescopic antenna. Try moving the unit to a different location. Perform a full scan for DAB+ stations. |
| CD not playing / Disc error. | CD inserted incorrectly; disc is dirty or scratched; unsupported disc format. | Ensure CD is inserted label-side up. Clean the disc with a soft cloth. Try a different, known-good audio CD. |
| USB playback not working. | USB drive not inserted correctly; unsupported file format; corrupted files. | Ensure USB drive is fully inserted. Check that files are in MP3 format. Try a different USB drive or files. |
| Alarm does not sound. | Alarm not activated; alarm volume too low; incorrect time set. | Verify alarm settings (time, source, volume, activation status). Ensure the unit is powered on or in standby mode. |
If the problem persists after trying these solutions, please contact Soundmaster customer support.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | RCD1870SW |
| Radio Type | Portable Digital Radio |
| Tuner Type | Analog & Digital |
| Supported Radio Bands | DAB+, FM (with RDS) |
| Preset Stations | 40 (DAB+ and FM combined) |
| RMS Rated Power | 2 W |
| Connectivity | USB, AUX Input (3.5 mm), Headphone Jack (3.5 mm) |
| CD Player | Yes (Audio CD, MP3 CD) |
| MP3 Playback | Yes (via CD and USB) |
| Alarm Function | Yes (2 alarms, with snooze) |
| Sleep Timer | Yes |
| Audiobook Function | Yes (remembers last position) |
| Power Source | DC/Battery (5.9 V DC input) |
| Product Dimensions (W x D x H) | Approximately 320 mm x 65 mm x 212 mm (12.6 x 2.56 x 8.35 inches) |
| Item Weight | Approximately 1.16 kg (2.55 pounds) |
| Color | Black/Grey |
10. Warranty and Support
Soundmaster products are designed and manufactured to the highest quality standards. In the unlikely event that you experience any issues with your device, please refer to the warranty information provided with your purchase or visit the official Soundmaster website for support resources and contact details.
Please retain your proof of purchase for warranty claims.





