1. Uvod
Thank you for choosing the Retekess TR103 Mini Portable Radio. This device is a compact and lightweight multi-band radio with an integrated MP3 player function. It supports FM, MW (AM), and SW bands, offering a wide range of listening options. The built-in rechargeable battery ensures portability and convenience for various activities.
This manual provides detailed instructions for the proper setup, operation, and maintenance of your TR103 radio. Please read it thoroughly before use to ensure optimal performance and longevity of the product.
2. Proizvod je gotovview
2.1 Sadržaj paketa
Prilikom raspakivanja, molimo Vas da se uvjerite da su svi predmeti prisutni:
- 1 x Retekess TR103 Pocket Radio
- 1 x USB kabl za punjenje
- 1 x Uputstvo za upotrebu

Image: Contents of the Retekess TR103 package, including the radio, USB cable, and manual.
2.2 Kontrole i portovi
Familiarize yourself with the radio's buttons and ports:
- Dugme za napajanje (UKLJ./ISKLJUČ.): Located on the side to turn the radio on or off.
- Charging Jack (DC 5V): Mikro USB priključak za punjenje interne baterije.
- Utor za TF karticu: For inserting a Micro-SD card to play MP3/WMA audio files.
- Volumen +/-: Buttons to adjust the audio output level.
- Prekidač načina rada: To switch between radio bands (FM/MW/SW) or MP3 player mode.
- Earphone Jack (3.5mm): Za spajanje slušalica za privatno slušanje.
- Dugme za reprodukciju/pauzu: To play or pause audio in MP3 mode, or for auto-scan in radio mode.
- Dugmad Prethodno/Sljedeće: To change tracks in MP3 mode or tune frequencies in radio mode.
- Teleskopska antena: Produžite za bolji radio prijem.

Slika: Vrh view of the radio with labels for charging jack, TF card slot, volume controls, mode switch, and earphone jack.

Slika: Sa strane view of the radio highlighting the power ON/OFF button.
3. Podešavanje
3.1 Punjenje baterije
The TR103 radio features a built-in 600mAh rechargeable lithium battery. Before first use, fully charge the battery.
- Connect the supplied USB charging cable to the radio's DC 5V charging jack.
- Connect the other end of the USB cable to a standard USB power adapter (5V, not included) or a computer's USB port.
- The battery indicator on the LCD display will show charging status. Charging is complete when the indicator shows a full battery.
A full charge typically takes a few hours. The radio can be used while charging.

Image: The radio's display showing the battery level indicator.
3.2 Inserting a TF Card (for MP3 Playback)
To use the MP3 player function, insert a Micro-SD (TF) card (up to 64GB, not included) containing MP3 or WMA audio files.
- Locate the TF card slot on the side of the radio.
- Gently insert the TF card into the slot until it clicks into place. Ensure the card is inserted in the correct orientation.
- Da biste uklonili, lagano gurnite karticu prema unutra dok ne klikne, zatim je otpustite i ona će izaći.

Image: The radio with a TF card, illustrating the card insertion point.
4. Uputstvo za upotrebu
4.1 Uključivanje/isključivanje napajanja
Slide the Power button (ON/OFF) located on the side of the radio to turn the device on or off. The LCD display will illuminate when powered on.
4.2 Radio Mode Operation
- Odaberite bend: Use the Mode switch to select FM, MW (AM), or SW band.
- Produžna antena: For optimal reception, fully extend the telescopic antenna, especially for FM and SW bands.
- Automatsko traženje stanica: Long press the Play/Pause button. The radio will automatically scan and save available stations to memory.
- Ručno podešavanje: Use the Previous/Next buttons to manually tune to desired frequencies. Short press to fine-tune, long press to quickly scan.
- Recall Saved Stations: After an automatic search, use the Previous/Next buttons to cycle through the saved stations.

Image: The radio's Play/Pause button, used for initiating automatic station search and saving.

Image: The radio's speaker, designed for clear and loud audio output.
4.3 MP3 Player Mode Operation
Ensure a TF card with audio files is inserted before proceeding.
- Switch to MP3 Mode: Use the Mode switch to select MP3 player mode. The radio will automatically start playing the first track on the TF card.
- Pusti/pauza: Pritisnite dugme Reprodukuj/Pauziraj da biste pauzirali ili nastavili reprodukciju.
- Sljedeći / Prethodni zapis: Use the Next button to skip to the next track. Use the Previous button to go back to the beginning of the current track or to the previous track.

Image: The radio's MP3 player function, supporting TF cards up to 64GB, suitable for portable use.
4.4 Kontrola jačine zvuka
Use the Volume +/- buttons to adjust the listening volume. The volume level is displayed on the LCD screen.
4.5 Korištenje slušalica
For private listening, plug any standard 3.5mm headphones (not included) into the earphone jack. The internal speaker will automatically mute.
5. Održavanje
- Keep the radio dry. Avoid exposure to moisture or liquids.
- Čistite radio mekom, suhom krpom. Ne koristite abrazivna sredstva za čišćenje ili rastvarače.
- Radio čuvajte na hladnom i suhom mjestu kada ga ne koristite duži period.
- Izbjegavajte ispuštanje ili izlaganje radija jakim udarcima.
- Charge the battery regularly, even if the radio is not used frequently, to maintain battery health.
6. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Radio se ne uključuje. | Baterija je prazna. | Napunite bateriju pomoću USB kabla. |
| Loš radio prijem. | Antena nije ispružena; područje slabog signala. | Potpuno izvucite teleskopsku antenu. Pokušajte se premjestiti na drugu lokaciju. |
| Nema zvuka iz zvučnika. | Jačina zvuka je preniska; slušalice su priključene. | Increase volume. Disconnect headphones if not intended for private listening. |
| MP3 plejer ne radi. | TF card not inserted or corrupted; unsupported file formatu. | Ensure TF card is properly inserted. Check if audio files are MP3/WMA format. Try a different TF card. |
7. Specifikacije
- Broj modela: TR103
- Dimenzije (D x Š x V): 8.8 x 4.5 x 1.8 cm (3.46 x 1.77 x 0.71 inča)
- Težina: 64 grama (2.26 unce)
- Boja: Crna
- Radio bendovi: FM (64/87-108 MHz), MW (520/522-1710 KHz), SW (3.2-22 MHz)
- Tehnologija prikaza: LCD sa pozadinskim osvetljenjem
- Povezivanje: USB (for charging/data transfer), 3.5mm headphone jack
- MP3 reprodukcija: Supports WMA/MP3 format via TF/Micro-SD card (Max 64GB)
- Izvor napajanja: Ugrađena punjiva litijumska baterija od 600mAh
- Izlazna snaga: 3W

Image: The compact size of the Retekess TR103 radio, emphasizing its portability.

Image: The radio displaying its frequency ranges for FM, MW, and SW bands, with the antenna extended to 25cm.
8. Garancija i podrška
Retekess offers a 1-year warranty for this product and a 30-day return policy without requiring a specific reason. Beyond the warranty period, maintenance services are still available, with buyers responsible for associated costs.
For any questions, technical assistance, or warranty claims, please contact Retekess customer support through Amazon. We aim to respond within 12 hours.





