1. Introduction
The UNISHEEN UC3540H is a high-performance PCIe video capture card designed for professional video acquisition and streaming. It features four HDMI 1.4a input channels, supporting resolutions up to 1080p60, making it ideal for game streaming, live broadcasts, video conferencing, surgical recording, and remote consultation. This manual provides detailed instructions for installing, setting up, and operating your UC3540H capture card.
Product overview video demonstrating features and applications.
2. Key Features
- 4-Channel HDMI Input: Simultaneously capture video from up to four HDMI sources.
- High-Definition Capture: Supports resolutions up to 1080p60 (1920x1080@60Hz).
- PCIe 2.0 x4 Interface: Ensures high bandwidth (20Gb/s) for real-time, uncompressed video capture.
- Wide Compatibility: Works with Windows (7/8/8.1/10) and Linux (kernel 2.6.38+) operating systems.
- Software Support: Compatible with popular streaming and recording software like OBS, vMix, Wirecast, Xsplit, VLC, and more.
- Embedded Audio: Captures audio directly from HDMI input.
- Full Height Bracket: Designed for standard full-height PC chassis.
- Low Power Consumption: Operates at less than 2.0W.
3. Package Contents
Please check the package for the following items:
- UNISHEEN UC3540H 4-Channel HDMI Video Capture Card
- Quick Start Guide (if included)
The UC3540H capture card as packaged.
4. Hardware Installation
The UC3540H is a PCIe expansion card. Follow these steps to install it into your computer:
- Power Off: Shut down your computer completely and disconnect the power cable.
- Open Case: Open your computer's chassis to access the motherboard.
- Locate PCIe Slot: Find an available PCIe 2.0 x4 (or larger, such as x8 or x16) slot on your motherboard.
- Remove Bracket: Remove the corresponding metal bracket cover from the computer case.
- Insert Card: Carefully align the UC3540H card with the PCIe slot and press it firmly until it is securely seated.
- Secure Card: Use a screw to fasten the card's bracket to the computer case.
- Close Case: Close the computer chassis and reconnect the power cable.
- Power On: Turn on your computer.
Front view of the UC3540H capture card, showing the PCIe connector and HDMI input ports.
Back view of the UC3540H capture card, highlighting the four HDMI IN ports.
5. Driver and Software Setup
After hardware installation, you need to install the necessary drivers and software.
- Driver Installation: The product requires specific drivers for optimal performance. Please contact customer service to download the latest driver files for your operating system (Windows 7/8/8.1/10 or Linux). Follow the provided instructions for driver installation.
- Software Installation: Install your preferred video capture and streaming software. The UC3540H is compatible with a wide range of applications, including:
- OBS Studio
- vMix
- Wirecast
- Xsplit
- Windows Media Encoder
- Adobe Flash Media Live Encoder
- Real Producer Plus
- VLC
- AMCAP
- Zoom, Skype, ManyCam (for video conferencing)
6. Operation
Once the drivers and software are installed, you can begin using your UC3540H capture card.
- Connect Video Sources: Connect your HDMI video sources (e.g., video camera, game console, set-top box, conference camera, computer) to the HDMI IN ports (HDMI IN1, IN2, IN3, IN4) on the capture card.
- Launch Software: Open your chosen video capture/streaming software (e.g., OBS Studio, vMix).
- Add Capture Device: In your software, add a new video source and select the UNISHEEN UC3540H as the capture device. You should see options for each of the four HDMI input channels.
- Configure Settings: Adjust video resolution, frame rate, and audio settings within your software as needed. The card supports 1080p60 input and YUV2 4:2:2 color space.
- Start Streaming/Recording: Begin your live stream or recording session.
Illustration of connecting various devices to the 4-channel capture card.
The UC3540H is compatible with a wide range of streaming and recording software.
7. Specifications
| Feature | Description |
|---|---|
| Model Number | UC3540H |
| Interface | PCIe 2.0 x4 (Compatible with PCIe x8, x16 slots) |
| Video Input | 4x HDMI 1.4a |
| Audio Input | HDMI Embedded |
| Input Resolutions | 1080p60/50, 1080i60/50, 720p60/50, 576p, 576i, 480p, 480i |
| Output Color Space | YUY2 (BT.709) 4:2:2 |
| Recording Mode | Software Compression, Real-Time Mode |
| Operating System Compatibility | Windows (7, 8, 8.1, 10 - 32/64-bit), Linux (kernel 2.6.38 and above), Windows Server 2008 R2 |
| Compatible Software | Vmix, Wirecast, OBS, VJ, Xsplit, Windows Media Encoder, Adobe Flash Media Live Encoder, Real Producer Plus, VLC, AMCAP etc. |
| Compatible SDK | DirectShow (Windows), DirectSound (Windows), V4L2 |
| Chip | FPGA |
| Firmware Update | Supported |
| Dimensions | 98mm x 87mm |
| Board Height | Full Height Bracket (Compatible with full height chassis) |
| Power Consumption | <= 2.0 W |
| Work/Storage Temperature | 0-60 ℃ (32-140 ℉) |
| Storage Humidity | 5%-90% (non-condensing) |
| Fiber HDMI Cable Support | Up to 50M/80M |
8. Maintenance
- Cleaning: Use a soft, dry cloth to gently clean the card. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the card in an anti-static bag in a cool, dry place.
- Environmental Conditions: Ensure the operating environment is within the specified temperature and humidity ranges to prevent damage.
9. Troubleshooting
- No Video Signal:
- Ensure all HDMI cables are securely connected to both the source and the capture card.
- Verify that the video source is powered on and outputting a signal.
- Check your capture software settings to ensure the correct input channel is selected. - Driver Not Recognized:
- Reinstall the drivers, ensuring you have the correct version for your operating system.
- Check Device Manager (Windows) or equivalent (Linux) to see if the card is listed and if there are any driver errors. - Software Compatibility Issues:
- Ensure your streaming/recording software is up to date.
- Consult the software's documentation for specific capture device setup instructions. - Poor Performance/Lag:
- Ensure your computer meets the minimum system requirements for both the capture card and your streaming/recording software.
- Close unnecessary applications to free up system resources.
- Check your PCIe slot for proper seating and ensure it's not sharing bandwidth with other high-demand devices.
10. User Tips
- For optimal performance, always use high-quality HDMI cables.
- When using multiple capture cards in one PC, ensure your power supply and motherboard can handle the additional load and bandwidth.
- Regularly check for driver updates from UNISHEEN customer service to ensure compatibility and performance improvements.
- Experiment with different compatible software to find the best fit for your specific streaming or recording needs.
11. Warranty and Support
The UNISHEEN UC3540H capture card comes with a one-year free warranty. For technical assistance, driver downloads, or any product-related inquiries, please contact UNISHEEN customer service. Dedicated online service consultation is available to help you with your needs.
