Dcyfol ozc3
Dcyfol 4K HDMI Capture Card User Manual
Model: ozc3
Introduction
Thank you for purchasing the Dcyfol 4K HDMI Capture Card. This manual provides detailed instructions for setting up, operating, and maintaining your capture card. Please read this manual thoroughly before use to ensure optimal performance and to prevent damage.
This device is designed for capturing and streaming high-definition video and audio from various sources, including gaming consoles, cameras, and other HDMI-enabled devices, to your computer for recording or live broadcasting.
Product Overview
Package Contents
- Dcyfol 4K HDMI Capture Card
- USB 3.0 Cable
- USB-C Adapter
- User Manual (this document)
Device Features
- Supports up to 4K 60fps HDMI input.
- Captures Full HD 1080p 60fps video.
- Plug and Play: No driver installation required.
- Wide compatibility with Windows and Mac operating systems.
- Real-time preview and screen sharing capabilities.
- Built-in 3.5mm Microphone Input for commentary.
- 3.5mm Audio Output Port for monitoring.
- HDMI Loop-out for simultaneous display on a monitor.
Product Diagram

Figure 1: The Dcyfol 4K HDMI Capture Card with its USB 3.0 cable, USB-C adapter, and an additional short cable.

Figure 2: Connection diagram illustrating HDMI input from a console (Nintendo Switch, Xbox), HDMI output to an HDTV, USB output to a computer, and connections for a microphone and headphones.
Setup Instructions
Follow these steps to set up your Dcyfol 4K HDMI Capture Card:
- Connect HDMI Input: Connect your HDMI source (e.g., gaming console, camera, DSLR) to the HDMI INPUT port on the capture card using an HDMI cable.
- Connect HDMI Output (Optional): If you wish to view your content on a separate display while capturing, connect an HDMI cable from the HDMI OUTPUT port on the capture card to your TV or monitor.
- Connect to Computer: Connect the USB 3.0 cable from the capture card's USB 3.0 port to an available USB 3.0 port on your computer. If your computer only has USB-C ports, use the provided USB-C adapter.
- Connect Microphone (Optional): For adding commentary, plug a 3.5mm microphone into the MIC port.
- Connect Headphones (Optional): For audio monitoring, plug 3.5mm headphones into the AUDIO OUT port.
- Power On: The capture card is powered via the USB connection. Ensure your computer is on.

Figure 3: Example setup for streaming and recording PlayStation 4 gameplay instantly using the capture card.

Figure 4: Comprehensive connection diagram showing the capture card integrating PS5 and Nintendo Switch with a PC, including microphone and headphone connections for audio input and output.
Operating Instructions
The Dcyfol 4K HDMI Capture Card operates as a plug-and-play device, requiring no specific drivers. You will need third-party software to capture or stream your content.
Using with OBS Studio (Recommended)
OBS Studio is a popular free and open-source software for video recording and live streaming. Follow these general steps:
- Download and Install OBS Studio: If you don't have it, download OBS Studio from its official website (obsproject.com) and install it on your computer.
- Launch OBS Studio: Open the OBS Studio application.
- Add Video Source: In the "Sources" box, click the + icon and select "Video Capture Device".
- Create New/Select Existing: Choose to "Create new" and name your device (e.g., "Capture Card"). Click "OK".
- Select Device: In the properties window, select "USB Video" or a similar name from the "Device" dropdown menu.
- Configure Resolution/FPS:
- Set "Resolution/FPS Type" to "Custom".
- Choose your desired resolution (e.g., 1920x1080).
- Set "FPS" to "Match Output FPS" or "60" for 60 frames per second.
- Configure Audio:
- In the "Audio Output Mode" dropdown, select "Output desktop audio (WaveOut)" or "Use custom audio device".
- If using a custom audio device, select "USB Digital Audio" or similar from the "Audio Device" dropdown.
- Ensure your microphone is selected in the "Audio Mixer" section if you wish to record commentary.
- Start Streaming/Recording: Once configured, you can click "Start Streaming" or "Start Recording" in the "Controls" panel.

Figure 5: OBS Operation Guide showing steps to select the video capture device, configure resolution and FPS, and set up audio output.
Key Operational Notes
- Low Latency: The capture card is designed for low latency pass-through, allowing for real-time gameplay on your connected display.
- No Delay/No Flash: The device aims to provide a smooth capture experience without noticeable delays or screen flickering.
- Compatibility: Works seamlessly with Windows and Mac operating systems.

Figure 6: Visual representation of the Dcyfol capture card's core features, including 1080P resolution, 60Hz refresh rate, live streaming capability, and absence of delay or flash.

Figure 7: A visual comparison demonstrating the difference between 30 frames per second (FPS) and 60 FPS, highlighting the smoother motion achieved at 60 FPS.

Figure 8: This image highlights the 4K 60FPS loop-out capability for a superior picture experience, contrasting it with examples of common issues like "white shecks," "high delay," and "dropping frames" that the capture card aims to avoid.
Maintenance
To ensure the longevity and optimal performance of your Dcyfol 4K HDMI Capture Card, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols.
- Storage: Store the capture card in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the device with care. Avoid dropping it or subjecting it to strong impacts.
- Connections: Always ensure cables are connected and disconnected gently to prevent damage to the ports.
- Ventilation: Ensure the device has adequate ventilation during operation to prevent overheating.
Troubleshooting
If you encounter issues with your Dcyfol 4K HDMI Capture Card, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No video signal in software. |
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| No audio captured. |
|
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| Lag or dropped frames during capture/streaming. |
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| Device not recognized by computer. |
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Specifications
| Feature | Detail |
|---|---|
| Brand | Dcyfol |
| Model Number | ozc3 |
| Input Resolution | Up to 4K (3840x2160) @ 60Hz |
| Capture Resolution | Up to 1080p (1920x1080) @ 60Hz |
| Hardware Interface | USB 3.0 |
| Operating System Compatibility | Windows, macOS, Unix |
| Audio Input | 3.5mm Microphone Jack |
| Audio Output | 3.5mm Headphone Jack |
| Dimensions | 5.83 x 5.08 x 1.46 inches (approx.) |
| Weight | 7.4 ounces (approx.) |
| Color | Black |
Warranty and Support
For warranty information and technical support, please refer to the contact details provided with your purchase or visit the official Dcyfol website. Keep your purchase receipt as proof of purchase for warranty claims.
For additional assistance, you may also refer to the User Guide (PDF) or User Manual (PDF) available online.
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