THOMSON RT400DABBT DAB+/FM Radio with Bluetooth Speaker and Alarm Clock

Introduction

Thank you for choosing the THOMSON RT400DABBT DAB+/FM Radio with Bluetooth Speaker and Alarm Clock. This device combines modern technology with practical features for an enjoyable audio experience. It offers digital DAB+ and FM radio, Bluetooth connectivity, USB playback, and AUX-IN options. The integrated dual alarm clock allows for personalized wake-up settings. Please read this manual carefully to ensure proper use and optimal performance of your device.

Safety Information

Please observe the following safety precautions to prevent damage to the device or injury to yourself:

• Do not expose the device to rain, moisture, or extreme temperatures.
• Do not open the casing; refer all servicing to qualified personnel.
• Keep the device away from direct sunlight, heat sources, and strong magnetic fields.
• Use only the specified power adapter (DC 5V 2A) or the integrated rechargeable battery.
• Ensure proper ventilation and do not cover ventilation openings.
• Clean the device with a soft, dry cloth. Do not use liquid cleaners.

Package Contents

Please check that all items are present in the package:

• THOMSON RT400DABBT Radio
• USB-C Charging Cable
• Owner's Manual (this document)

Image: The THOMSON RT400DABBT radio shown in its retail box, indicating typical package contents.

Product Overview

Familiarize yourself with the main components and controls of your THOMSON RT400DABBT radio.

Image: Front view of the THOMSON RT400DABBT radio, highlighting the speaker grille, LED display, and control buttons (Power/Mode, Preset, Play/Pair, Menu).

Key Features:

• DAB+/FM Radio: Enjoy digital and analog radio broadcasts.
• Bluetooth Speaker: Stream audio wirelessly from your smartphone or tablet.
• USB Playback: Play MP3 files from a USB drive.
• AUX-IN 3.5mm: Connect external audio devices.
• Headphone Jack: For private listening (headphones not included).
• Dual Alarm Clock: Wake up to your preferred audio source (radio, USB, Bluetooth).
• Rechargeable Battery: Portable operation with a 1500mAh Lithium battery.
• Mains Powered: Operates via DC 5V 2A (USB-C cable included).
• Telescopic Antenna: For optimal radio reception.

Setup

1. Powering On the Device

The radio can be powered either by the included USB-C cable connected to a DC 5V 2A power adapter (not included) or by its internal rechargeable Lithium battery.

• Mains Power: Connect the USB-C cable to the radio's USB-C port and the other end to a compatible USB power adapter.
• Battery Power: The radio has a built-in 1500mAh rechargeable battery. Ensure it is charged for portable use. The battery charges automatically when connected to mains power.

2. Initial Setup and Language Selection

Upon first power-on, the device may prompt you to select a language. Use the navigation buttons to choose your preferred language (French, English, German, Italian, Spanish, Portuguese, Dutch) and confirm.

3. Antenna Adjustment

Extend the telescopic antenna fully for optimal DAB+ and FM radio reception.

4. Automatic Station Scan

After language selection, the radio will typically perform an automatic scan for available DAB+ and FM stations. This process may take a few minutes. The device can save up to 30 DAB+ and 30 FM stations. Automatic station updates can be toggled ON/OFF in the settings menu.

Operating Instructions

1. Switching Modes (Radio, Bluetooth, USB, AUX-IN)

Press the MODE button (often combined with Power button) repeatedly to cycle through available modes: DAB+ Radio, FM Radio, Bluetooth, USB, and AUX-IN.

2. DAB+ Radio Operation

• Scanning: The radio usually performs an initial scan. To manually scan, navigate to the DAB+ menu and select "Full Scan" or "Auto Scan".
• Selecting Stations: Use the navigation buttons (e.g., Up/Down or Rotary Dial if present) to browse the list of available DAB+ stations. Press OK or Select to tune in.
• Saving Presets: While listening to a station, press and hold the PRESET button. Use navigation to select a preset number (1-30) and press OK to save.
• Recalling Presets: Briefly press the PRESET button, then use navigation to select the desired preset and press OK.

3. FM Radio Operation

• Scanning: In FM mode, press and hold the SCAN or MENU button to initiate an automatic scan for FM stations.
• Manual Tuning: Use navigation buttons to fine-tune the frequency.
• Saving Presets: Similar to DAB+, press and hold PRESET, select a number (1-30), and press OK.
• Recalling Presets: Briefly press PRESET, select the number, and press OK.

4. Bluetooth Speaker Function

• Pairing: Switch the radio to Bluetooth mode. The display will show "Pairing" or "BT Pairing". On your smartphone or tablet, enable Bluetooth and search for "THOMSON RT400DABBT" (or similar). Select it to pair.
• Playing Audio: Once paired, you can play music from your device. Use the radio's volume controls or your connected device's volume controls. The radio may also support Play/Pause and Skip track functions via its buttons (e.g., PLAY/PAIR button).

5. USB Playback

• Connecting USB: Insert a USB flash drive containing MP3 audio files into the USB port.
• Playing Files: Switch the radio to USB mode. The radio will automatically detect and begin playing MP3 files. Use navigation buttons to skip tracks.

6. AUX-IN Connection

• Connecting Device: Connect an external audio device (e.g., MP3 player) to the radio's 3.5mm AUX-IN port using a 3.5mm audio cable (not included).
• Playing Audio: Switch the radio to AUX-IN mode. Play audio from your connected device. Control volume via the radio or the external device.

7. Alarm Clock Settings

• Setting Alarms: Access the Alarm menu via the MENU button. You can set up to two independent alarms (Alarm 1, Alarm 2).
• Time and Frequency: Set the alarm time, and choose the frequency (Once, Daily, Weekdays, Weekends).
• Alarm Source: Select your preferred wake-up sound: DAB+ radio, FM radio, USB, or Buzzer.
• Alarm Duration: Program the alarm duration (15, 30, 45, 60, 90 minutes).
• Snooze Function: When the alarm sounds, press any button (except Power) to activate snooze.

8. Display Settings

• Brightness/Timeout: In the menu, adjust the LED display brightness and the backlight timeout (10 to 180 seconds).
• Time Format: Switch between 12-hour and 24-hour time formats.

9. Headphone Use

Connect 3.5mm headphones (not included) to the headphone jack for private listening. The main speaker will be muted automatically.

Maintenance

• Cleaning: Use a soft, dry, lint-free cloth to clean the radio's surface. Do not use abrasive cleaners, waxes, or solvents.
• Battery Care: For optimal battery life, avoid fully discharging the battery frequently. If storing the device for a long period, charge it to about 50% and recharge every few months.
• Storage: Store the radio in a cool, dry place away from direct sunlight and extreme temperatures.

Troubleshooting

Specifications

• Brand: THOMSON
• Model: RT400DABBT
• Supported Radio Bands: DAB+, FM
• Presets: 30 DAB+, 30 FM
• Connectivity: Bluetooth, USB (MP3 playback), AUX-IN 3.5mm, Headphone Jack
• Power Source: DC 5V 2A (USB-C), 1500mAh Rechargeable Lithium Battery
• Display: Backlit LED, 12/24h format, adjustable timeout
• Alarm Clock: Dual alarm, selectable source (Radio, USB, Bluetooth), adjustable duration (15-90 min)
• Dimensions (L x W x H): 8 x 5 x 15 cm (approximately)
• Weight: 300 Grams
• Special Features: Portable, Telescopic Antenna