1. Introduction
Thank you for choosing the Auna Silver Star DAB+ Radio. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
2. Important Safety Instructions
- Read all instructions before operating the appliance.
- Keep the manual for future reference.
- Do not expose the unit to rain or moisture to reduce the risk of fire or electric shock.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
3. Product Overview
The Auna Silver Star DAB+ Radio is a versatile audio system featuring DAB+ and FM radio tuners, a slot-in CD player, Bluetooth connectivity, and USB playback. It offers a powerful 2 x 10 Watt output and a stylish design with a metal front panel and wood-look housing.

Figure 3.1: Auna Silver Star DAB+ Radio with legs, showcasing its design.

Figure 3.2: The Auna Silver Star DAB+ Radio showing two configuration options: with and without detachable legs.

Figure 3.3: Close-up of the slot-in CD player on the Auna Silver Star DAB+ Radio with a CD partially inserted.

Figure 3.4: The Auna Silver Star DAB+ Radio's front panel and its remote control.
4. Setup
4.1 Unpacking
Carefully remove the unit from its packaging. Ensure all components are present: main unit, remote control, power adapter, and detachable legs (if included).
4.2 Connecting Power
Connect the provided power adapter to the DC IN port on the back of the unit, then plug the adapter into a standard wall outlet (220-240 V~ | 50/60Hz).
4.3 Attaching/Detaching Legs
The Auna Silver Star can be used with or without its detachable legs. To attach the legs, carefully screw them into the designated sockets on the bottom of the unit until secure. To detach, unscrew them. Ensure the unit is stable in either configuration.
4.4 Antenna Setup
Extend the telescopic antenna fully for optimal DAB+ and FM radio reception. Adjust its position to improve signal strength if needed.
5. Operation
5.1 Basic Controls
The front panel features controls for power, volume, mode selection, and navigation. A central knob typically controls volume and selection, while surrounding buttons manage playback and menu options. The remote control provides full functionality from a distance.
5.2 DAB+ Radio
- Press the Mode button to select DAB+ mode.
- The unit will automatically scan for available DAB+ stations upon first use or if a scan is initiated from the menu.
- Use the navigation buttons or knob to browse through the list of available stations.
- Press the Select button or knob to tune into a station.
- To save a station as a preset, refer to the specific instructions in the full manual for your model.
5.3 FM Radio
- Press the Mode button to select FM mode.
- Use the navigation buttons to manually tune to a frequency or initiate an auto-scan to find available stations.
- Press the Select button or knob to confirm the station.
- To save a station as a preset, refer to the specific instructions in the full manual for your model.
5.4 CD Player
- Press the Mode button to select CD mode.
- Gently insert a CD into the slot-in CD player with the label side facing up. The unit will automatically begin playback.
- Use the Play/Pause, Skip Forward, and Skip Backward buttons to control playback.
- The CD player supports programming for specific track order playback. Refer to the full manual for detailed instructions.
5.5 Bluetooth Connectivity
- Press the Mode button to select Bluetooth mode. The display will show "Pairing" or similar, indicating it's ready to connect.
- On your smartphone, tablet, or PC, enable Bluetooth and search for available devices.
- Select "Auna Silver Star" (or similar device name) from the list to pair.
- Once connected, you can stream audio from your device to the Auna Silver Star.

Figure 5.1: Demonstrating Bluetooth connectivity with a smartphone.
5.6 USB Playback
- Insert a USB flash drive containing MP3 files into the USB port.
- Press the Mode button to select USB mode.
- The unit will automatically detect and begin playing compatible audio files.
- Use the playback controls to navigate tracks.
5.7 AUX Input
- Connect an external audio device (e.g., MP3 player) to the 3.5mm AUX IN jack using a 3.5mm audio cable (not included).
- Press the Mode button to select AUX mode.
- Audio from the connected device will now play through the Auna Silver Star. Control playback from the external device.
5.8 Alarm and Sleep Functions
The unit includes alarm and sleep timer functions. Refer to the full manual for detailed instructions on setting and managing these features via the unit's menu or remote control.
6. Maintenance
6.1 Cleaning
To clean the unit, use a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. For the display, use a soft, lint-free cloth. Never spray cleaners directly onto the unit.
6.2 Storage
If the unit is not used for an extended period, unplug it from the power outlet and store it in a cool, dry place, away from direct sunlight and extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; Power outlet faulty | Ensure power cord is securely connected; Try a different outlet |
| No sound | Volume too low; Incorrect mode selected; Mute activated | Increase volume; Select correct mode (DAB+, FM, CD, BT, USB, AUX); Deactivate mute |
| Poor radio reception | Antenna not extended; Weak signal area | Fully extend and adjust the telescopic antenna; Try moving the unit to a different location |
| CD not playing | CD inserted incorrectly; CD dirty or scratched; Incorrect mode | Re-insert CD correctly; Clean or replace CD; Select CD mode |
| Bluetooth pairing failed | Device not in pairing mode; Device too far; Bluetooth disabled on external device | Ensure unit is in Bluetooth pairing mode; Move devices closer; Enable Bluetooth on external device |
8. Technical Specifications

Figure 8.1: Dimensions of the Auna Silver Star DAB+ Radio without legs.
| Feature | Specification |
|---|---|
| Model Number | CD774B |
| Power Output | 2 x 10W RMS |
| DAB Frequency Range | 174 - 240 MHz |
| FM Frequency Range | 87.5 - 108 MHz |
| Connectivity | Bluetooth, USB, 3.5mm AUX IN, 3.5mm Headphone Out |
| Compatible Devices | Smartphone, Tablet, MP3 Player |
| Power Supply | 220-240 V~ | 50/60Hz |
| Dimensions (with legs) | Approx. 40 x 60.5 x 25.5 cm (WxHxD) |
| Dimensions (without legs) | Approx. 40 x 13.5 x 24 cm (WxHxD) |
| Weight | Approx. 6.4 kg |
| Color | Silver |
| Display | LCD with dimmable backlight |
9. Warranty and Support
Auna products are designed and manufactured to the highest quality standards. For warranty information and customer support, please refer to the warranty card included with your product or visit the official Auna website. Please have your model number (CD774B) and purchase details ready when contacting support.
For further assistance, please contact your local dealer or the Auna customer service department.





