1. 서론
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. 패키지 내용
다음 품목이 패키지에 포함되어 있는지 확인하세요.
- AGPTEK U3 MP3 플레이어
- USB 케이블
- 사용 설명서
3. 장치 레이아웃
Familiarize yourself with the buttons and ports of your AGPTEK U3 MP3 Player.

이미지 3.1: 앞면 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. 설정
4.1 배터리 설치
The AGPTEK U3 MP3 Player uses one AAA battery. To install or replace the battery:
- Remove the back cover of the player.
- AAA 배터리 1개를 삽입할 때, 극성(+, - 단자)을 정확히 맞춰주세요.
- 후면 커버를 안전하게 교체하세요.

Image 4.1: Illustration of AAA battery installation into the player's compartment.
4.2 컴퓨터에 연결하기
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.
- 중요 참고 사항: 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 메모리 확장
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. 사용 설명서
5.1 전원 켜기/끄기
- To power on, press and hold the power button until the screen lights up.
- 전원을 끄려면 화면이 꺼질 때까지 전원 버튼을 길게 누르세요.
5.2 음악 재생
The player supports MP3 and WMA audio formats. Navigate through your music library using the control buttons.
- 재생/일시 중지: 재생/일시 정지 버튼을 누르세요.
- 다음 / 이전 트랙 : 앞/뒤 버튼을 사용하세요.
- 볼륨 조절: 볼륨 버튼을 사용하세요.
- 플레이 모드: Select from Shuffle, All Repeat, Repeat 1, and other modes.
- 이퀄라이저(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 라디오
FM 라디오 기능을 사용하려면:
- Connect headphones, as they act as the antenna.
- Select the FM Radio option from the main menu.
- 탐색 버튼을 사용하여 방송국을 검색하거나 수동으로 주파수를 맞추세요.
- 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 음성 녹음기
The AGPTEK U3 can also function as a voice recorder.
- Select the Voice Recorder option from the main menu.
- 재생/일시정지 버튼을 눌러 녹화를 시작하세요.
- 재생/일시정지 버튼을 다시 누르면 녹화가 중지되고 저장됩니다.

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. 유지관리
To ensure the longevity and optimal performance of your AGPTEK U3 MP3 Player, follow these maintenance guidelines:
- 청소: 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.
- 배터리 교체: As the player uses a replaceable AAA battery, ensure you replace it with a fresh battery when power is low to maintain continuous operation.
- 저장: 플레이어를 직사광선과 극한의 온도를 피해 서늘하고 건조한 곳에 보관하세요.
7. 문제 해결
If you encounter issues with your AGPTEK U3 MP3 Player, refer to the following common solutions:
- 컴퓨터가 장치를 인식하지 못합니다:
- Ensure the player is securely plugged into the USB port.
- 컴퓨터의 다른 USB 포트를 사용해 보십시오.
- Verify that you have selected the correct national language on the player's interface after connecting it to the computer.
- 컴퓨터를 재시작하고 다시 시도하세요.
- 플레이어가 켜지지 않습니다.
- Check if the AAA battery is inserted correctly with the right polarity.
- AAA 배터리를 새 배터리로 교체하세요.
- No sound during music playback:
- 헤드폰이 제대로 연결되어 있는지 확인하십시오.
- 플레이어의 볼륨 레벨을 확인하세요.
- 오디오를 확인하세요 files are in a supported format (MP3, WMA).
8. 사양
| 특징 | 사양 |
|---|---|
| 상표 | 아그텍 |
| 모델명 | U3 |
| 모델 번호 | U3B-EU4 |
| 치수 | 1.3 x 2.6 x 8.1cm |
| 무게 | 50그램 |
| 내부 메모리 | 8GB (XNUMX기가바이트) |
| 확장 가능한 메모리 | 최대 128GB (마이크로 SD 카드는 포함되지 않음) |
| 배터리 유형 | AAA 배터리 1개(포함되지 않음) |
| 화면 기술 | 올디씨디 |
| 화면 크기 | 1.3 인치 |
| 연결성 | USB 2.0 |
| 지원되는 오디오 형식 | MP3, WMA |
| 호환 장치 | Laptop, Personal Computer, Headphones |
| 추가 기능 | Portable, FM Radio, Voice Recorder |
9. 보증 및 지원
AGPTEK is committed to providing excellent customer service and product support.
- 보증: Your AGPTEK U3 MP3 Player comes with a 2-year warranty from the date of purchase.
- 기술 지원: Lifetime technical support is available for all AGPTEK products.
- 온라인 서비스: We offer 24/7 online support to address any queries or issues you may have.
For further assistance, please visit the official AGPTEK web사이트를 방문하거나 고객 지원팀에 문의하세요.

이미지 9.1: AGPTEK 고객 서비스 및 지원 정보.





