Marshall Electronics VAC-12HU3 Users Manual
Broadcast A/V Division
VAC -12H U 3
HDMI Video / Audio to USB 3.0 Adapter
User Manual
VAC-12HU3 Manual
1. Introduction
The Marshall VAC-12HU3 advanced USB 3.0 adapter easily connects video and audio sources to a
computer for video conferencing, video production and recording. Simple to use plug-and-play design
seamlessly integrates professional video sources to your choice of PC-based applications.
Table of Contents
Table of Contents
1. Introduction
2. Features
3. Package Contents
4. System Requirements
5. Connections and Indicators
6. Setup and Quick Start
7. Specifications
8. Block Diagram
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The HDMI 2.0 input accepts video formats up to UHD. Active loop-through output keeps the source
available for other purposes such as feeding monitors, recorders, etc.
UVC protocol support allows the host application to control video format, frame rate and other settings
independent of the original source.
Setup couldn’t be easier. The VAC-12HU3 becomes fully functional within seconds after it is connected.
Powered by the USB 3.0 port on the host computer, there are no power adapters to fiddle with.
2. Features
• HDMI 2.0 Input with active loop-through output. Supports formats up to UHD.
• Stereo analog audio input. Activates automatically when audio source is plugged in.
• USB 3.0 computer interface with UVC control and scaling (backwards compatible to USB 2.0)
• Efficient design – All power derived from USB 3.0 port
• Plug-and-Play. Driver installation not required for most applications
9. Tips and Fixes
Warranty
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• Compatible with popular applications such as: Zoom, Skype, OBS Studio and many more.
3. Package Contents
• (1) VAC-12HU3 Unit
• (1) USB 3.0 “A - type” to “B - type” Cable
• (2) Mounting brackets with (4) attachment screws
4. System Requirements
• Host computer with recent operating system, preferably Windows 10 or Mac OS X
• Available USB 3.0 port (supports up to 1080p60 to host computer) or,
• Available USB 2.0 port (supports up to 720p60 to host computer)
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