1. Ro-ràdh
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.

Figear 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. Stiùireadh Sàbhailteachd Cudromach
- Leugh a h-uile stiùireadh gu faiceallach mus obraich thu an inneal.
- Cùm an leabhran seo airson iomradh san àm ri teachd.
- Na cuir an inneal fosgailte do uisge, taiseachd no teòthachd anabarrach.
- Na cuir an aonad às a chèile. Thoir aire do luchd-obrach teisteanasach airson a h-uile seirbheiseachadh.
- Use only the specified power adapter (DC 5V 2A) and USB-C cable.
- Dèan cinnteach gu bheil fionnarachadh ceart timcheall an inneal.
- Na cuir an inneal faisg air stòran teas no solas dìreach.
3. Pasgan-susbaint
Feuch an dèan thu cinnteach gu bheil na nithean uile an làthair:
- THOMSON RT400DABBTBK Radio
- Càball cosgais USB-C
- Leabhar-làimhe an t-Sealbhadair (an sgrìobhainn seo)
4. Cruth is Smachdan Bathar

Figear 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. Putanan smachd
- POWER / MODE: Press to turn on/off. Press to switch between DAB+, FM, Bluetooth, USB, and AUX-IN modes.
- PRESET: Access and save preset radio stations.
- PLAY / PAIR: In Bluetooth mode, press to play/pause or initiate pairing. In USB mode, play/pause.
- Clàr-taice: 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. Fiosrachadh Taisbeanaidh
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.
- Inbhe ceangail Bluetooth.
- USB track information.
- Comharra ìre bataraidh.
- Alarm icons (Alarm 1, Alarm 2).
5. Suidhich
5.1. Cumhachdachadh Air adhart
The radio can be powered in two ways:
- Cumhachd AC: Connect the supplied USB-C cable to the DC 5V 2A input on the radio and to a suitable USB power adapter (not included).
- Bataraidh ath-thagraidh: 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. Atharrachadh Antenna
For optimal DAB+ and FM radio reception, fully extend the telescopic antenna. Adjust its position for the best signal quality.
5.3. Roghainnean tùsail
Upon first use or after a factory reset, you may need to configure basic settings:
- Taghadh Cànain: Use the MENU button to navigate to System Settings, then select 'Language' to choose your preferred language (French, English, German, Italian, Spanish, Portuguese, Dutch).
- Uair agus Ceann-latha: The time and date are often automatically updated in DAB+ mode. If not, navigate to System Settings > Time/Date to set manually.
6. A’ cleachdadh an rèidio
6.1. Modh Rèidio DAB+
- Brùth an MODE putan gus modh DAB+ a thaghadh.
- 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.
- Gus stèisean a shàbhaladh mar ro-shuidheachadh, brùth is cum sìos am putan PREASACHADH button, select a preset number using the rotary knob, and press the knob to confirm.
6.2. Modh Rèidio FM
- Brùth an MODE putan gus modh FM a thaghadh.
- 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.
- Gus stèisean a shàbhaladh mar ro-shuidheachadh, brùth is cum sìos am putan PREASACHADH button, select a preset number using the rotary knob, and press the knob to confirm.
6.3. Modh Labhraiche Bluetooth
- Brùth an 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 Playback
- Cuir a-steach draibhear USB flash anns a bheil MP3 files a-steach don phort USB.
- Brùth an MODE putan gus modh USB a thaghadh.
- The radio will automatically start playing MP3 files. Use the rotary knob to navigate tracks and the PLAY/PAIR putan airson cluich / stad.
6.5. Modh AUX-IN
- Connect an external audio device (e.g., MP3 player) to the AUX-IN 3.5mm port using an audio cable (not included).
- Brùth an MODE putan gus modh AUX-IN a thaghadh.
- Control playback from your external device. Use the radio's rotary knob to adjust volume.
6.6. Cleachdadh Chluas-cinn
Connect headphones (not supplied) to the 3.5mm headphone jack for private listening. The main speaker will be muted automatically.
7. Cloc rabhaidh
The radio features a dual alarm clock.
- Brùth an MENU button and navigate to 'Alarm Settings'.
- Select 'Alarm 1' or 'Alarm 2' to configure.
- Suidhich ùine: Use the rotary knob to set the desired alarm time.
- Stòr rabhaidh: Choose your preferred wake-up sound: DAB+, FM, USB, or Bluetooth.
- Ùine rabhaidh: Set the alarm duration (15, 30, 45, 60, or 90 minutes).
- Tricead rabhaidh: Select how often the alarm should sound: Once, Daily, Weekdays, or Weekends.
- Meud: Atharraich meud an rabhaidh.
- Dèan comas / à comas: Tionndaidh an inneal-rabhaidh AIR no dheth.
8. Roghainnean an t-siostaim
Access system settings by pressing the MENU button and navigating to 'System Settings'.
- Roghainnean taisbeanaidh: Adjust backlight duration (10 to 180 seconds) and choose between 12-hour or 24-hour time format.
- Cànan: Select the display language (French, English, German, Italian, Spanish, Portuguese, Dutch).
- Automatic Station Update: Enable or disable automatic updates for radio stations.
- Ath-shuidheachadh factaraidh: Ath-shuidhich a h-uile suidheachadh gu na luachan bunaiteach aca.
9. Cumail suas
9.1. Glanadh
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. Cùram Bataraidh
To prolong the life of the built-in Lithium battery:
- Seachain a bhith a’ leigeil às a’ bhataraidh gu tur gu tric.
- Charge the battery regularly, even if the radio is not in use for extended periods.
- Stòraich an rèidio ann an àite fionnar, tioram nuair nach eilear ga chleachdadh.
10. A ’dèanamh trioblaid
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Gun chumhachd | Battery discharged or power cable not connected. | Connect the USB-C cable to a power source. Charge the battery. |
| Fàilteachas rèidio truagh | Chan eil an antenna air a leudachadh no tha an comharra ann an sgìre lag. | Leudaich an antenna teileasgopach gu h-iomlan agus atharraich e. Feuch ris an rèidio a ghluasad gu àite eadar-dhealaichte. |
| Bluetooth nach eil a 'ceangal | 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. |
| Chan eil ath-chluich USB ag obair | USB drive not formatted correctly or unsupported file seòrsa. | Ensure USB drive is formatted to FAT32 and contains MP3 files. Feuch draibh USB eadar-dhealaichte. |
| Alarm nach eil ri fuaim | Alarm disabled or incorrect settings. | Check alarm settings (time, source, frequency, enable/disable status). |
11. Sònrachaidhean
| Feart | Sònrachadh |
|---|---|
| Brand | THOMSON |
| Modail Àireamh | RT400DABBTBK |
| Còmhlan Rèidio le taic | DAB+, FM |
| Teicneòlas ceangail | Bluetooth |
| Feart sònraichte | So-ghiùlain |
| Stòr cumhachd | Battery Powered, Corded Electric (DC 5V 2A via USB-C) |
| Bataraidh | Lithium ath-thagraidh 1500mAh |
| Seòrsa Taisbeanaidh | LED |
| Meudan toraidh (L x W x H) | 8 x 5 x 15 ceudameatairean |
| Cuideam nì | 300 gram |
| Innealan co-fhreagarrach | MP3 Player, Speaker, Headphones, Tablet |
12. Barantas agus Taic
This THOMSON RT400DABBTBK radio comes with a Barantas neach-dèanamh 1-bliadhna.
For further support, troubleshooting, or warranty claims, please refer to your point of purchase or visit the official THOMSON brand store: