1. Introducció
Thank you for choosing the Retekess TR640 Internet Radio. This manual provides detailed instructions for setting up, operating, and maintaining your device. Please read this manual thoroughly before use to ensure optimal performance and safe operation. The TR640 offers a wide range of listening options including Internet Radio, DAB, FM, Bluetooth, and media playback via USB and TF card.
2. Producte acabatview
2.1 Contingut del paquet
Assegureu-vos que tots els elements siguin presents al paquet:
- 1x Retekess TR640 Portable Internet Radio
- 1x cable d'alimentació
- 1 x manual d'usuari

Image: The package includes the Retekess TR640 radio, a power cable, and the user manual.
2.2 Característiques del dispositiu
The Retekess TR640 is a versatile radio with the following key features:
- Multi-band support: Internet Radio, FM, DAB.
- Multiple connection options: Wi-Fi, Bluetooth, USB, TF card.
- Intuitive control panel with remote control capability.
- Dual power modes: AC or DC 6V (4x AA 1.5V batteries, not included).
- One-click mute function.
- Backlit display with adjustable brightness.
- 7 EQ sound settings (Classic, Rock, Pop, Jazz, Flat, Dance, Manual).
- Sleep timer and alarm clock functions.
- Time zone configuration with automatic network updates.
- 3.5mm audio jack for headphones.
2.3 Controls i ports
Familiarize yourself with the buttons, knobs, and ports on your TR640 radio.
Video: This video demonstrates the functions of the main control buttons on the front panel, including power, menu navigation, mute, preset, and confirmation.
Video: This video highlights the antenna, AC power input, color display, TF card slot, USB port, and 3.5mm headphone jack.
- Botó d'engegada/menú: Press to turn on/off, or enter the main menu.
- Left/Right Navigation: Use to navigate menus, skip tracks (music playback), or fast-forward/rewind (hold).
- Botó de silenci: Activate/deactivate mute function.
- Botó predeterminat: Access channel list or manual channel storage mode.
- Enter/Play/Pause Button: Confirm selections, play/pause music.
- TUN Knob: Select channels, menu tasks, adjust time.
- Pom de volum: Ajustar el volum.
- Ranura per a targetes TF: Supports up to 256GB, compatible with MP3/WMA/WAV/APE/FLAC.
- Port USB: Compatible with MP3/WMA/WAV/APE/FLAC.
- Presa d'auriculars de 3.5 mm: Per a una escolta privada.
- Antena: Extend for optimal signal reception.
- AC-IN Port: Connect the power cable for AC power.
- Compartiment de la bateria: For 4x AA 1.5V batteries (DC 6V).
3. Configuració
3.1 Engegar el dispositiu
The TR640 can be powered by AC or DC (batteries).
- Alimentació CA: Insert the provided power cable into the AC-IN port on the side of the radio and plug it into a wall outlet.
- Potència de la bateria: Open the battery compartment on the back and insert 4x AA 1.5V batteries (not included), ensuring correct polarity.

Image: The radio can be powered via AC cable or 4 AA batteries (not included).
3.2 Configuració inicial de la xarxa
For Internet Radio functionality, you need to connect the device to a Wi-Fi network.
- Enceneu la ràdio prement el botó d'engegada.
- The display will prompt you to "Configure network?". Select "Yes" using the navigation buttons and press "Enter".
- La ràdio buscarà les xarxes Wi-Fi disponibles. Seleccioneu la vostra xarxa de la llista.
- Enter your Wi-Fi password using the on-screen keyboard and navigation buttons. Press "Enter" to confirm.
- Once connected, the radio will update the time zone automatically.
Video: This video demonstrates how to connect the radio to a Wi-Fi network and access Internet Radio stations.
4. Instruccions de funcionament
4.1 Ràdio per Internet
Access thousands of radio stations from around the world via your Wi-Fi connection.
- Ensure the radio is connected to Wi-Fi (see Section 3.2).
- Navigate to "Internet Radio" from the main menu.
- Browse stations by location, genre, or popular stations. Use the TUN knob to scroll and "Enter" to select.
- Once a station is selected, it will begin buffering and playing.
- You can save your favorite stations as presets (see Section 4.5).
4.2 DAB/FM Radio
Enjoy local digital (DAB) and analog (FM) radio broadcasts.
- Esteneu l'antena telescòpica per obtenir la millor recepció.
- From the main menu, select "DAB Radio" or "FM Radio".
- Scanning Channels: Press the "Preset" button to initiate a channel scan. The radio will automatically search and store available stations.
- Manual Tuning (FM): Use the TUN knob to manually adjust the frequency.
- Use the Left/Right navigation buttons to cycle through stored stations.
Video: This video demonstrates how to scan for and tune into FM radio stations.
4.3 Connectivitat Bluetooth
Connect your smartphone or other Bluetooth-enabled devices to play audio wirelessly.
- From the main menu, select "Bluetooth". The radio will enter pairing mode.
- On your mobile device, enable Bluetooth and search for "RETEKESS TR640".
- Select the radio from your device's Bluetooth list to pair.
- Un cop connectat, podeu reproduir àudio des del dispositiu a través de la ràdio.
Video: This video illustrates the process of connecting a mobile device to the radio via Bluetooth.
Reproducció de targetes USB/TF de 4.4
Play your personal music filedirectament des d'una unitat USB o targeta TF.
- Inseriu una unitat USB al port USB o una targeta TF a la ranura per a targetes TF.
- The radio will automatically detect the storage device and display its contents. If not, navigate to "MP3 Player" from the main menu and select "USB" or "TF Card".
- Use the navigation buttons to browse and select your desired audio files. Press "Enter" to play.
- Supported formats include MP3, WMA, WAV, APE, and FLAC.
Video: This video demonstrates playing music from a USB drive.
Video: This video demonstrates playing music from a TF card.
4.5 Saving and Accessing Presets
The radio can store up to 90 favorite stations.
- Tune to your desired station (Internet, DAB, or FM).
- Press and hold the "Preset" button.
- Use the navigation buttons to select an empty preset slot.
- Press "Enter" to save the station.
- To access saved presets, briefly press the "Preset" button and use navigation to select.

Image: The radio has a station storage capacity of 90 presets.
4.6 Configuració de l'equalitzador
Customize your audio experience with various equalizer presets.
- Navigate to the EQ settings in the main menu.
- Choose from Classic, Rock, Pop, Jazz, Flat, Dance, or Manual settings.
4.7 Sleep Timer and Alarm Clock
Set a sleep timer to automatically turn off the radio or an alarm to wake you up.
- Access "Sleep Timer" or "Alarm Clock" in the main menu.
- Follow the on-screen prompts to set your desired time and duration.
5. Manteniment
To ensure the longevity and optimal performance of your Retekess TR640 radio, follow these maintenance guidelines:
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la ràdio. No utilitzeu netejadors abrasius, ceres ni dissolvents, ja que poden danyar l'acabat.
- Emmagatzematge: When not in use for extended periods, store the radio in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries if storing for a long time to prevent leakage.
- Cura de l'antena: Handle the telescopic antenna gently to avoid bending or breaking. Extend it fully for best reception and retract it when not in use to protect it.
- Exposició líquida: Keep the radio away from water and other liquids. If liquid enters the device, immediately disconnect power and consult a qualified technician.
- Ventilació: Ensure the ventilation grilles on the back of the radio are not blocked to prevent overheating.
6. Solució De Problemes
If you encounter issues with your TR640 radio, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power cable not connected, batteries depleted/incorrectly inserted. | Check AC power connection. If using batteries, ensure they are fresh and inserted with correct polarity. |
| Sense so | Volume too low, mute activated, headphones connected. | Increase volume. Press the Mute button to deactivate. Disconnect headphones if sound is desired from speaker. |
| Poor radio reception (FM/DAB) | Antena no estesa, senyal feble, interferències. | Fully extend the telescopic antenna. Try repositioning the radio. Perform a channel scan. |
| No es pot connectar a la Wi-Fi | Contrasenya incorrecta, fora de l'abast, problema de xarxa. | Double-check Wi-Fi password. Move closer to the router. Restart your router. |
| USB/TF card not recognized | Incorrecte file format, card/drive corrupted, improperly inserted. | Assegureu-vos files are in supported formats (MP3/WMA/WAV/APE/FLAC). Reinsert the card/drive. Try a different card/drive. |
| Internet Radio buffering frequently | Weak Wi-Fi signal, slow internet connection. | Improve Wi-Fi signal strength. Check your internet speed. |
7. Especificacions
| Característica | Detall |
|---|---|
| Marca | Retekess |
| Model | TR640 |
| Color | Negre |
| Funció especial | Portàtil |
| Tecnologia de connectivitat | Auxiliary, Wi-Fi, Bluetooth, USB, TF Card |
| Dimensions del producte | 21 cm (L) x 12.5 cm (A) x 6 cm (Al) |
| Tecnologia del sintonitzador | Digital |
| Estil | Modern |
| Font d'alimentació | AC Powered, Battery Powered (4x AA 1.5V) |
| Bandes de ràdio compatibles | FM, DAB (Volume III), Internet Radio |
| Audio Formats (USB/TF) | MP3, WMA, WAV, APE, FLAC |
8. Garantia i Suport
Retekess products are designed and manufactured to the highest quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Retekess weblloc web. Conserveu el rebut de compra com a comprovant de compra.





