1. Introduktion
The THOMSON RT400DABBTBK is a versatile portable radio designed to provide a comprehensive audio experience. It features DAB+ and FM radio reception, Bluetooth connectivity for wireless audio streaming, USB playback for MP3 files, and an AUX-IN port for external devices. Additionally, it includes a dual alarm clock function, making it a practical and convenient device for various settings.

Figur 1.1: THOMSON RT400DABBTBK portable radio. This image shows the front of the radio, featuring the speaker grille on the left and the LED display with control buttons on the right. The display indicates the time, date, and battery level.
2. Vigtige sikkerhedsinstruktioner
- Læs alle instruktioner omhyggeligt, før du betjener enheden.
- Gem denne vejledning til fremtidig reference.
- Udsæt ikke enheden for regn, fugt eller ekstreme temperaturer.
- Skil ikke enheden ad. Overlad al service til kvalificeret personale.
- Use only the specified power adapter (DC 5V 2A) and USB-C cable.
- Sørg for korrekt ventilation omkring enheden.
- Undgå at placere enheden i nærheden af varmekilder eller direkte sollys.
3. Pakkens indhold
Kontroller venligst, at alle varer er til stede:
- THOMSON RT400DABBTBK Radio
- USB-C ladekabel
- Brugermanual (dette dokument)
4. Produktlayout og kontroller

Figur 4.1: Front Panel Controls and Display. This image provides a detailed view of the radio's front panel, featuring the circular speaker on the left and the rectangular LED display on the right. Below the display are four control buttons: MODE, PRESET, PLAY/PAIR, and MENU. The display shows '12/8/2025 Mardi 16:24' with alarm and stop icons.
4.1. Kontrolknapper
- POWER / MODE: Press to turn on/off. Press to switch between DAB+, FM, Bluetooth, USB, and AUX-IN modes.
- Forudindstillet: Access and save preset radio stations.
- PLAY / PAIR: In Bluetooth mode, press to play/pause or initiate pairing. In USB mode, play/pause.
- MENU: Access system settings and options for the current mode.
- Rotary Knob (Top Right): Adjust volume, navigate menus, or tune frequencies. Press to confirm selections.
4.2. Vis oplysninger
The LED display shows various information depending on the operating mode:
- Current time and date (12/24h format).
- Radio station name, frequency, or DAB+ service information.
- Bluetooth-forbindelsesstatus.
- USB track information.
- Batteriniveauindikator.
- Alarm icons (Alarm 1, Alarm 2).
5. Opsætning
5.1. Tænder
The radio can be powered in two ways:
- AC strøm: Connect the supplied USB-C cable to the DC 5V 2A input on the radio and to a suitable USB power adapter (not included).
- Genopladeligt batteri: The radio has a built-in 1500mAh Lithium rechargeable battery. Ensure it is fully charged before portable use. The battery charges automatically when connected to AC power.
5.2. Justering af antenne
For optimal DAB+ and FM radio reception, fully extend the telescopic antenna. Adjust its position for the best signal quality.
5.3. Indledende indstillinger
Upon first use or after a factory reset, you may need to configure basic settings:
- Sprogvalg: Use the MENU button to navigate to System Settings, then select 'Language' to choose your preferred language (French, English, German, Italian, Spanish, Portuguese, Dutch).
- Tid og dato: The time and date are often automatically updated in DAB+ mode. If not, navigate to System Settings > Time/Date to set manually.
6. Betjening af radioen
6.1. DAB+ radiotilstand
- Tryk på MODE -knappen for at vælge DAB+-tilstand.
- The radio will automatically perform a scan for available DAB+ stations.
- Use the rotary knob to scroll through the list of found stations. Press the knob to select a station.
- For at gemme en station som forudindstilling skal du trykke på og holde FORUDINDSTILLING button, select a preset number using the rotary knob, and press the knob to confirm.
6.2. FM-radiotilstand
- Tryk på MODE knappen for at vælge FM-tilstand.
- To auto-scan for stations, press and hold the rotary knob. The radio will scan and save stations.
- To manually tune, rotate the knob to adjust the frequency.
- For at gemme en station som forudindstilling skal du trykke på og holde FORUDINDSTILLING button, select a preset number using the rotary knob, and press the knob to confirm.
6.3. Bluetooth-højttalertilstand
- Tryk på MODE button to select Bluetooth mode. The display will show 'Bluetooth Pairing'.
- On your smartphone or tablet, enable Bluetooth and search for 'THOMSON RT400DABBTBK'.
- Select the device to pair. Once connected, the display will show 'Bluetooth Connected'.
- Play audio from your paired device. Use the radio's rotary knob to adjust volume.
6.4. USB-afspilning
- Indsæt et USB-flashdrev, der indeholder MP3 files i USB-porten.
- Tryk på MODE knappen for at vælge USB-tilstand.
- The radio will automatically start playing MP3 files. Use the rotary knob to navigate tracks and the PLAY/PAIR knappen for at afspille/pause.
6.5. AUX-IN-tilstand
- Connect an external audio device (e.g., MP3 player) to the AUX-IN 3.5mm port using an audio cable (not included).
- Tryk på MODE knappen for at vælge AUX-IN-tilstand.
- Control playback from your external device. Use the radio's rotary knob to adjust volume.
6.6. Brug af hovedtelefoner
Connect headphones (not supplied) to the 3.5mm headphone jack for private listening. The main speaker will be muted automatically.
7. Vækkeur
The radio features a dual alarm clock.
- Tryk på MENU button and navigate to 'Alarm Settings'.
- Select 'Alarm 1' or 'Alarm 2' to configure.
- Indstil tid: Use the rotary knob to set the desired alarm time.
- Alarmkilde: Choose your preferred wake-up sound: DAB+, FM, USB, or Bluetooth.
- Alarmvarighed: Set the alarm duration (15, 30, 45, 60, or 90 minutes).
- Alarmfrekvens: Select how often the alarm should sound: Once, Daily, Weekdays, or Weekends.
- Bind: Juster alarmlydstyrken.
- Aktiver/deaktiver: Turn the alarm ON or OFF.
8. Systemindstillinger
Access system settings by pressing the MENU button and navigating to 'System Settings'.
- Skærmindstillinger: Adjust backlight duration (10 to 180 seconds) and choose between 12-hour or 24-hour time format.
- Sprog: Select the display language (French, English, German, Italian, Spanish, Portuguese, Dutch).
- Automatic Station Update: Enable or disable automatic updates for radio stations.
- Gendan fabriksindstillinger: Nulstil alle indstillinger til deres standardværdier.
9. Vedligeholdelse
9.1. Rensning
Wipe the radio's surface with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents, as these may damage the finish.
9.2. Batteripleje
For at forlænge levetiden på det indbyggede litiumbatteri:
- Undgå at aflade batteriet helt ofte.
- Charge the battery regularly, even if the radio is not in use for extended periods.
- Opbevar radioen et køligt og tørt sted, når den ikke er i brug.
10. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm | Batteriet er afladet, eller strømkablet er ikke tilsluttet. | Connect the USB-C cable to a power source. Charge the battery. |
| Dårlig radiomodtagelse | Antennen er ikke strakt ud, eller signalet er svagt i området. | Træk teleskopantennen helt ud og juster den. Prøv at flytte radioen til et andet sted. |
| Bluetooth forbinder ikke | Radio not in pairing mode or device already paired. | Ensure the radio is in Bluetooth mode and 'Bluetooth Pairing' is displayed. Forget the device on your phone/tablet and try pairing again. |
| USB-afspilning virker ikke | USB-drevet er ikke formateret korrekt eller understøttes ikke file type. | Sørg for, at USB-drevet er formateret til FAT32 og indeholder MP3 files. Prøv et andet USB-drev. |
| Alarmen lyder ikke | Alarm disabled or incorrect settings. | Check alarm settings (time, source, frequency, enable/disable status). |
11. Specifikationer
| Feature | Specifikation |
|---|---|
| Mærke | THOMSON |
| Modelnummer | RT400DABBTBK |
| Radiobånd understøttet | DAB+, FM |
| Forbindelsesteknologi | Bluetooth |
| Speciel funktion | Transportabel |
| Strømkilde | Battery Powered, Corded Electric (DC 5V 2A via USB-C) |
| Batteri | 1500mAh genopladeligt lithium |
| Display Type | LED |
| Produktmål (L x B x H) | 8 x 5 x 15 centimeter |
| Varens vægt | 300 gram |
| Kompatible enheder | MP3 Player, Speaker, Headphones, Tablet |
12. Garanti og support
This THOMSON RT400DABBTBK radio comes with a 1 års producentgaranti.
For further support, troubleshooting, or warranty claims, please refer to your point of purchase or visit the official THOMSON brand store: