1. 서론
This user manual provides detailed instructions for the setup, operation, and maintenance of your iSinbox GC357 4K Projector. Designed for both indoor and outdoor use, this projector features advanced auto-focus, 6D keystone correction, WiFi6, and Bluetooth 5.2 connectivity, delivering a native 1080P resolution with 4K support for an immersive view경험.

Image: The iSinbox GC357 4K Projector, showcasing its sleek design and primary features like Auto Focus, 4K Support, DIY brightness, WiFi 6, and Bluetooth 5.3.
2. 패키지 내용
모든 품목이 들어 있는지 확인하기 위해 상자를 푼 후 패키지 내용물을 확인하세요.
- iSinbox GC357 4K Projector
- Power Cable (UK plug shown in video, actual plug type may vary by region)
- HDMI 케이블
- AV Cable (RCA composite)
- 원격 제어 장치
- Additional Dust Filter
- Cleaning Swab and Cloth
- 사용 설명서 (본 문서)
Image: A collection of accessories typically included with the projector, such as various cables, a remote control, and cleaning tools.
3. 제품 오버view
The iSinbox GC357 projector is equipped with various ports and features for versatile connectivity and optimal performance.
주요 특징:
- 네이티브 1080p 해상도 및 4K 지원: 선명하고 깨끗한 이미지를 제공합니다.
- 850 ANSI 루멘 밝기: Provides a bright display suitable for various lighting conditions.
- AI Auto Focus & 6D Keystone Correction: Automatically adjusts image clarity and shape for perfect projection.
- 와이파이 6 및 블루투스 5.2: Ensures fast and stable wireless connectivity for streaming and audio output.
- Dual-Directional Bluetooth: Allows connection to external speakers or use the projector as a Bluetooth speaker.
- 다중 입력 포트: HDMI, USB, AV for wide device compatibility.
- 롱 Lamp 삶: Up to 100,000 hours of light source life.
- 효율적인 열 발산: Designed for quiet operation (less than 36dB).

Image: An infographic highlighting the projector's main features, including 4K support, 850 ANSI Lumens, Bluetooth 5.3, WiFi 6, Native 1080P, 100,000 hours lamp life, and automatic adjustments.
4. 설정
4.1 배치
Place the projector on a stable, flat surface. Ensure there is adequate ventilation around the unit to prevent overheating. For optimal viewing, position the projector directly in front of your screen or wall.
- 투사 거리: The optimum projection distance for a 300-inch screen is approximately 3 meters (9.84 feet). Refer to the specifications for detailed projection ratios.
- 표면: Project onto a smooth, light-colored wall or a dedicated projector screen for best image quality.

Image: A visual representation of different screen sizes (42", 97", 200", 300") achievable at varying projection distances, illustrating the flexibility of placement.
4.2 전원 연결
Connect the power cable to the projector's power input port and then plug the other end into a power outlet.
4.3 초기 전원 켜기
Press the power button on the projector or the remote control to turn on the device. The projector will initiate its auto-focus and keystone correction sequence.
5. 사용 설명서
5.1 자동 초점 및 키스톤 보정
The iSinbox GC357 features AI auto-focus and 6D auto keystone correction. Upon startup or movement, the projector will automatically adjust the image for clarity and a perfect rectangular shape. This includes auto obstacle avoidance and auto screen alignment.

Image: A visual demonstrating the projector's AI full automation capabilities, including auto-focus, keystone correction, obstacle avoidance, and screen alignment for an optimal display.
5.2 연결성
5.2.1 WiFi Connection (WiFi 6, 5G & 2.4G)
무선 네트워크에 연결하려면:
- 프로젝터의 '설정' 메뉴로 이동하세요.
- '네트워크' 또는 'Wi-Fi 설정'을 선택하세요.
- 목록에서 원하는 와이파이 네트워크를 선택하세요.
- 암호를 입력하라는 메시지가 나타나면 암호를 입력하고 확인하십시오.
The projector supports WiFi 6 for smoother, lower latency, and faster streaming.

Image: Illustrates the projector's advanced WiFi 6 connectivity, highlighting benefits such as smoother streaming, lower latency, and faster speeds compared to older WiFi standards.
5.2.2 블루투스 연결 (블루투스 5.2)
The projector supports two-way Bluetooth 5.2, allowing it to connect to external audio devices (like speakers or headphones) or function as a standalone Bluetooth speaker for your phone.
- Connecting to External Speaker: Go to 'Bluetooth Settings', enable Bluetooth, and select your desired speaker from the list of available devices.
- Using as Bluetooth Speaker: Switch the projector to Bluetooth speaker mode (refer to the on-screen menu), then connect your phone or other device to the projector via Bluetooth.

Image: Depicts the two-way Bluetooth 5.3 functionality, showing how the projector can output audio to an external speaker or receive audio from a mobile device to act as a speaker.
5.2.3 HDMI 및 USB 연결
Connect devices such as laptops, gaming consoles, or TV sticks using the HDMI port. The USB port can be used for media playback or for connecting a USB drive for office presentations (Word, Excel, PowerPoint, PDF).
- HDMI : Plug your HDMI cable into the projector's HDMI port and the other end into your device. Select the HDMI input source from the projector's menu.
- USB: Insert your USB drive into the USB port. The projector's media player interface will typically appear, allowing you to browse and play content.

Image: Shows the projector connected to a TV stick via HDMI, illustrating its compatibility with various streaming devices for multimedia and 4K video playback.

Image: Demonstrates the projector's capability for office presentations directly from a USB drive, supporting common document formats like Word, Excel, PowerPoint, and PDF.
5.3 Image Settings (DIY Brightness, Modes, Wallpaper)
The iSinbox GC357 allows for personalized image settings through its MTK chip. You can adjust brightness, select different image modes, and even customize the wallpaper.
- DIY Image Brightness: Adjust the brightness level to suit your view환경을 보호합니다.
- DIY Image Modes: Choose from preset image modes (e.g., Standard, Vivid, Movie) or create custom modes.
- DIY 벽지: Personalize the projector's idle screen with your preferred images.
- 동반자 모드: Explore additional features and settings available through the companion mode.

Image: An illustration of the MTK chip's capabilities, including options for DIY image brightness, image modes, wallpaper customization, and a companion mode for enhanced user experience.
6. 유지관리
6.1 렌즈 청소
Use the provided cleaning cloth or a soft, lint-free cloth to gently wipe the projector lens. For stubborn smudges, use a lens cleaning solution applied to the cloth, not directly to the lens. Avoid abrasive materials that could scratch the lens.
6.2 먼지 필터 청소
Regularly clean the dust filter to maintain optimal airflow and prevent overheating. The projector comes with an additional dust filter for replacement if needed. Refer to the projector's physical design for the filter's location and removal instructions.
6.3 보관
사용하지 않을 때는 프로젝터를 직사광선과 극한 온도 변화를 피해 서늘하고 건조한 곳에 보관하십시오. 먼지 축적 및 물리적 손상을 방지하기 위해 원래 포장재 또는 보호 케이스를 사용하십시오.
7. 문제 해결
If you encounter issues with your iSinbox GC357 projector, please refer to the following common problems and solutions:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 이미지가 없거나 흐릿하게 보입니다. | Out of focus; incorrect keystone; lens dirty; incorrect input source. | Allow auto-focus to complete; check for manual keystone adjustment if needed; clean the lens; ensure correct input source is selected. |
| 소리가 나지 않습니다 | Volume too low; external speaker not connected or paired; incorrect audio output setting. | Increase volume; check Bluetooth connection to external speaker; ensure projector's audio output is set correctly. |
| 리모컨이 작동하지 않습니다 | Batteries low or incorrectly inserted; obstruction between remote and projector. | 배터리를 교체하고 프로젝터의 적외선 수신기와 수신기 사이에 시야가 확보되었는지 확인하십시오. |
| Overheating/Shuts down | Blocked ventilation; dust filter clogged. | Ensure adequate space around the projector for airflow; clean the dust filter. |
| WiFi 연결이 불안정함 | Distance from router; interference; network congestion. | Move projector closer to router; minimize interference from other devices; try connecting to a different WiFi band (2.4G vs 5G). |
For further assistance, please contact iSinbox customer support.
8. 사양
| 특징 | 세부 사항 |
|---|---|
| 상표 | 아이신박스 |
| 모델 번호 | GC357 |
| 네이티브 해상도 | 1080P (4K 지원) |
| 명도 | 850 ANSI 루멘스 |
| 연결성 | WiFi 6 (5G & 2.4G), Bluetooth 5.2 (Two-way), HDMI, USB, AV |
| 자동 기능 | AI Auto Focus, 6D Auto Keystone Correction, Auto Obstacle Avoidance, Auto Screen Alignment |
| 빛의 근원 생명 | 최대 100,000시간 |
| 소음 수준 | 36dB 미만 |
| 품목 무게 | 3.98파운드 |
| 제품 치수 | 6.97 x 3.46 x 9.37 인치 |
| 컨트롤러 유형 | Button Control (and Remote Control) |
| 이미지 명암비 | 높은 |
| 광원 와트tage | 75 와트 |
| 비디오 인코딩 지원 | H.265 or VP9 |
9. 보증 및 지원
iSinbox is committed to providing excellent customer service and support for your projector.
- 24 Hours Quick Response: 귀하의 문의사항에 대한 답변은 24시간 이내에 드리겠습니다.
- 30일 반품: Return within 30 days for an exchange or refund.
- 평생 기술 지원: Benefit from lifetime technical customer support for your product.



Image: Visuals representing iSinbox's customer support commitments: 24-hour response, 30-day return policy, and lifetime technical support.
For specific warranty details or to contact support, please visit the official iSinbox web자세한 내용은 해당 사이트를 참조하거나 제품 포장에 제공된 연락처 정보를 참조하세요.





