1. Introduction
Thank you for choosing the TechniSat DIGITRADIO 51. This DAB+ and FM alarm clock radio is designed to provide reliable timekeeping, radio reception, and alarm functions. This manual provides essential information for setting up, operating, and maintaining your device to ensure optimal performance.
2. Safety Information
Please read these safety instructions carefully before using the device and keep them for future reference. Incorrect use may result in electric shock, fire, or other hazards.
- Power Source: Use only the specified power adapter. Ensure the voltage matches the requirements of your region.
- 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.
- Heat: Keep the device away from heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Unplug the device 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.
3. Package Contents
Verify that all items are present in the package:
- TechniSat DIGITRADIO 51 Alarm Clock Radio (White)
- Power Adapter (Type C)
- Wire Antenna
- User Manual
4. Product Overview
Familiarize yourself with the components and controls of your DIGITRADIO 51.
4.1 Front View

Description: The front view of the TechniSat DIGITRADIO 51 in white, displaying "11:42" and "STAR SAT RADIO Lionel Richie" on its dimmable LCD screen. This image shows the main interface and design of the radio.
4.2 Rear View

Description: The rear view of the TechniSat DIGITRADIO 51, showing the connection points. From left to right: Wire Antenna connection, Dimmer controls, Update port (USB), Headphone Jack, and Power Adapter Connection.
4.3 Top Controls

Description: A top-down view of the TechniSat DIGITRADIO 51, highlighting the speaker grille and control buttons. These include the Power button, Presets (1, 2), DAB/FM mode selection, Select/Menu button, Volume +/-, Alarm (1, 2) activation, Sleep timer, and two Snooze buttons.
4.4 Display Features

Description: A close-up of the radio's display, illustrating its key features: it is Dimmable, shows the current Time, utilizes an LCD panel, and measures 4.5 inches diagonally.
5. Setup
Follow these steps to set up your DIGITRADIO 51 for the first time.
- Unpack: Carefully remove the radio and all accessories from the packaging.
- Connect Antenna: Connect the supplied wire antenna to the antenna jack on the rear of the device. Extend the antenna fully for optimal reception.
- Connect Power: Insert the power adapter into the DC IN port on the rear of the radio, then plug the adapter into a wall outlet.
- Initial Power On: Press the Power button (
) on the top panel. The radio will power on and typically perform an automatic scan for DAB+ stations. - Language Selection: If prompted, select your preferred language using the Select/Menu button and Volume +/- buttons.
6. Operating Instructions
6.1 Basic Operation
- Power On/Off: Press the Power button.
- Volume Adjustment: Use the Volume +/- buttons to increase or decrease the sound level.
- Mode Selection: Press the DAB/FM button to switch between DAB+ digital radio and FM analog radio modes.
- Menu Navigation: Press Select/Menu to enter the menu. Use Volume +/- to scroll through options and Select/Menu again to confirm.
6.2 Radio Functions (DAB+ / FM)
- DAB+ Scan: In DAB+ mode, if stations are not found, press and hold Select/Menu to initiate a full scan.
- FM Tuning: In FM mode, use Volume +/- to manually tune or press and hold to auto-scan for the next available station.
- Preset Stations: To save a station, tune to the desired station, then press and hold either Preset 1 or Preset 2 until the display confirms. To recall a preset, simply press the corresponding Preset button.
6.3 Alarm Functions

Description: A lifestyle image of the radio on a bedside table, visually representing its key alarm features: two adjustable alarm times, customizable alarm rhythm (e.g., weekdays), a sleep timer, and two snooze buttons for convenience.
The DIGITRADIO 51 features two independent alarm times.
- Setting an Alarm:
- Press and hold Alarm 1 or Alarm 2.
- Use Volume +/- to set the hour, then press Select/Menu to confirm. Repeat for minutes.
- Select the alarm source (Buzzer, DAB, or FM) and confirm.
- Set the alarm rhythm (Daily, Weekdays, Weekends, Once) and confirm.
- Adjust the alarm volume and confirm.
- Activating/Deactivating Alarm: Briefly press Alarm 1 or Alarm 2 to toggle the alarm on or off. An alarm icon will appear on the display when active.
- Snooze Function: When the alarm sounds, press either Snooze button to temporarily silence it. The alarm will sound again after the preset snooze duration.
- Stopping Alarm: To turn off the alarm completely, press the Power button.
- Press the Sleep button repeatedly to cycle through available sleep timer durations (e.g., 15, 30, 45, 60, 90 minutes, or Off).
- The selected duration will be displayed. The radio will turn off automatically after this time.
- Use the Dimmer controls on the rear of the device to adjust the brightness of the display.
- Alternatively, navigate through the menu using Select/Menu to find display settings for brightness control.
6.4 Sleep Timer
The sleep timer allows the radio to play for a set duration before automatically turning off.
6.5 Display Settings
The large LCD display is dimmable for comfortable viewing, especially in a bedroom environment.
7. Maintenance
Proper care ensures the longevity of your DIGITRADIO 51.
- Cleaning: Disconnect the power adapter before cleaning. Use a soft, dry, lint-free cloth to wipe the surfaces. Do not use abrasive cleaners, waxes, or solvents.
- Storage: If storing the device for an extended period, unplug it from the power outlet and store it in a cool, dry place.
- Antenna: Ensure the wire antenna is not damaged and is positioned for best reception.
8. Troubleshooting
If you encounter issues with your DIGITRADIO 51, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected or faulty outlet. | Check power adapter connection. Try a different power outlet. |
| No radio reception / Poor sound quality | Antenna not connected or poorly positioned. Weak signal. | Ensure antenna is fully extended and properly connected. Reposition the antenna or the radio. Perform a full DAB+ scan. |
| Alarm does not sound | Alarm not activated or set incorrectly. Volume too low. | Verify alarm settings (time, source, rhythm). Ensure alarm is activated (icon visible). Increase alarm volume. |
| Display is too bright/dim | Display brightness not adjusted. | Use the dimmer controls on the rear or adjust brightness via the menu. |
If the problem persists after trying these solutions, please contact customer support.
9. Specifications
Detailed technical specifications for the TechniSat DIGITRADIO 51.
- Model: DIGITRADIO 51
- Brand: TechniSat
- Color: White
- Power Output: 1.5 Watts
- Voltage: 230 Volts
- Radio Tuner: DAB+, FM
- Display Type: LCD, Dimmable
- Alarm Functions: Two adjustable alarm times, Snooze, Sleep Timer, Adjustable alarm rhythm (Daily, Weekdays, Weekends, Once)
- Connectivity: Headphone jack (3.5mm), USB port (for updates)
- Dimensions (L x W x H): 14.9 x 12.6 x 4.9 cm (5.87 x 4.96 x 1.93 inches)
- Weight: 436 grams (0.96 lbs)
- Material: Plastic
10. Warranty and Support
TechniSat products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your product or visit the official TechniSat website.
For technical support, troubleshooting assistance, or to inquire about spare parts, please contact TechniSat customer service through their official channels. Keep your purchase receipt and model number (DIGITRADIO 51) handy when contacting support.
- Model Number: 4019588800014
- ASIN: B01F5J335Y





