1. Įvadas
The AGPTEK U3 is a versatile portable MP3 player designed for music playback, FM radio reception, and voice recording. It features an integrated USB stick for direct data transfer and supports expandable memory up to 128GB. This manual provides detailed instructions for setting up, operating, and maintaining your device.

Image 1.1: The AGPTEK U3 MP3 Player functioning as a USB stick for data transfer, also indicating its radio, voice recorder, and music playback capabilities.
2. Pakuotės turinys
Patikrinkite pakuotę, ar joje yra šie daiktai:
- AGPTEK U3 MP3 Player
- USB kabelis
- Instrukcijų vadovas
3. Įrenginio išdėstymas
Familiarize yourself with the buttons and ports of your AGPTEK U3 MP3 Player.

3.1 vaizdas: priekis view of the AGPTEK U3 MP3 Player, displaying the OLCD screen and navigation buttons.

Image 3.2: The AGPTEK U3 MP3 Player with the USB cap removed, showing the direct USB-A plug for computer connection.
4. Sąranka
4.1 Akumuliatoriaus įdėjimas
The AGPTEK U3 MP3 Player uses one AAA battery. To install or replace the battery:
- Remove the back cover of the player.
- Insert one AAA battery, ensuring correct polarity (+ and - terminals).
- Saugiai uždėkite galinį dangtelį.

Image 4.1: Illustration of AAA battery installation into the player's compartment.
4.2 Prijungimas prie kompiuterio
The player features a direct USB 2.0 connection for easy data transfer.
- Remove the protective cap from the USB connector.
- Plug the player directly into an available USB port on your computer.
- Once connected, the computer should recognize the device as a removable disk.
- Svarbi pastaba: After connecting the device to your computer, select the appropriate national language on the player's interface to ensure proper recognition by the computer.
You can then drag and drop music files (MP3, WMA) directly to the player's internal storage.

Image 4.2: The MP3 player connected to a laptop via its integrated USB port for data transfer.
4.3 Atminties išplėtimas
The player has 8GB of internal memory. You can expand the storage capacity by inserting a microSD card (not included) into the designated slot. The device supports microSD cards up to 128GB.

Image 4.3: The player with a microSD card, illustrating the expandable memory feature.
5. Naudojimo instrukcijos
5.1 Maitinimo įjungimas/išjungimas
- To power on, press and hold the power button until the screen lights up.
- Norėdami išjungti, paspauskite ir palaikykite maitinimo mygtuką, kol ekranas išsijungs.
5.2 Muzikos atkūrimas
The player supports MP3 and WMA audio formats. Navigate through your music library using the control buttons.
- Leisti / pristabdyti: Paspauskite paleidimo/pauzės mygtuką.
- Kitas / ankstesnis takelis: Naudokite mygtukus „pirmyn“ / „atgal“.
- Garso reguliavimas: Naudokite garsumo mygtukus.
- Žaidimo režimai: Select from Shuffle, All Repeat, Repeat 1, and other modes.
- Ekvalaizeris (EQ): Choose from Natural, Rock, Pop, Classic, Soft, Jazz, and DBB sound effects.

Image 5.1: The player's screen showing options for music playback modes and equalizer settings.
5.3 FM radijas
Norėdami naudoti FM radijo funkciją:
- Connect headphones, as they act as the antenna.
- Select the FM Radio option from the main menu.
- Norėdami ieškoti stočių arba rankiniu būdu jas derinti, naudokite naršymo mygtukus.
- The player supports frequency ranges of 76-90MHz (Japan Region) and 87.5-108MHz (Other Regions).

Image 5.2: The player's screen showing the FM radio interface and frequency display.
5.4 Diktofonas
The AGPTEK U3 can also function as a voice recorder.
- Select the Voice Recorder option from the main menu.
- Norėdami pradėti įrašymą, paspauskite mygtuką „Paleisti / pristabdyti“.
- Norėdami sustabdyti ir išsaugoti įrašą, dar kartą paspauskite mygtuką „Paleisti / pristabdyti“.

Image 5.3: The player's screen indicating the voice recording function.
5.5 Connecting to External Audio Devices
You can connect the player to external audio devices, such as car stereos or speakers, using a 3.5mm AUX cable (not included).
- Plug one end of the 3.5mm AUX cable into the player's headphone jack.
- Plug the other end into the AUX input of your external audio device.
- Select the AUX input on your external device to play music from the MP3 player.

Image 5.4: The player connected to an external audio system using an AUX cable.
6. Priežiūra
To ensure the longevity and optimal performance of your AGPTEK U3 MP3 Player, follow these maintenance guidelines:
- Valymas: Wipe the device with a soft, dry cloth. Avoid using liquid cleaners or solvents, as they may damage the plastic body and OLCD screen. The plastic body is designed to be resistant to stains and fingerprints.
- Baterijos keitimas: As the player uses a replaceable AAA battery, ensure you replace it with a fresh battery when power is low to maintain continuous operation.
- Saugykla: Grotuvą laikykite vėsioje, sausoje vietoje, toliau nuo tiesioginių saulės spindulių ir ekstremalių temperatūrų.
7. Problemų sprendimas
If you encounter issues with your AGPTEK U3 MP3 Player, refer to the following common solutions:
- Kompiuteris neatpažįsta įrenginio:
- Ensure the player is securely plugged into the USB port.
- Išbandykite kitą kompiuterio USB prievadą.
- Verify that you have selected the correct national language on the player's interface after connecting it to the computer.
- Iš naujo paleiskite kompiuterį ir bandykite dar kartą.
- Player does not turn on:
- Check if the AAA battery is inserted correctly with the right polarity.
- Pakeiskite AAA bateriją nauja.
- No sound during music playback:
- Ensure headphones are properly connected.
- Check the volume level on the player.
- Patikrinkite, ar garsas files are in a supported format (MP3, WMA).
8. Specifikacijos
| Funkcija | Specifikacija |
|---|---|
| Prekės ženklas | AGPTEK |
| Modelio pavadinimas | U3 |
| Modelio numeris | U3B-EU4 |
| Matmenys | 1.3 x 2.6 x 8.1 cm |
| Svoris | 50 gramų |
| Vidinė atmintis | 8 GB |
| Išplečiama atmintis | Up to 128 GB (Micro SD card not included) |
| Baterijos tipas | 1 x AAA baterijos (nepridedamos) |
| Ekrano technologija | OLCD |
| Ekrano dydis | 1.3 colių |
| Ryšys | USB 2.0 |
| Palaikomi garso formatai | MP3, WMA |
| Suderinami įrenginiai | Laptop, Personal Computer, Headphones |
| Papildomos funkcijos | Portable, FM Radio, Voice Recorder |
9. Garantija ir palaikymas
AGPTEK is committed to providing excellent customer service and product support.
- Garantija: Your AGPTEK U3 MP3 Player comes with a 2-year warranty from the date of purchase.
- Techninė pagalba: Lifetime technical support is available for all AGPTEK products.
- Internetinė paslauga: We offer 24/7 online support to address any queries or issues you may have.
For further assistance, please visit the official AGPTEK websvetainėje arba susisiekite su mūsų klientų aptarnavimo komanda.

Image 9.1: AGPTEK customer service and support details.





