Magewell USB Capture HDMI Plus User manual

USB Capture Plus User Manual
Revised on 17/08/2017

Content
1 Function of the Interfaces...............................................................................................1
1.1 USB Capture HDMI Plus...........................................................................................1
1.2 USB Capture SDI Plus...............................................................................................1
1.3 USB Capture DVI Plus...............................................................................................2
2 Status of the Indicator Light ...........................................................................................3
3 System Device Display ....................................................................................................3
3.1 How to Find the System Device...............................................................................3
Windows ......................................................................................................................3
Linux.............................................................................................................................3
Mac ..............................................................................................................................4
3.2 Description of Adding Device (Windows OS) .........................................................4
4 Typical Solutions for USB Capture Devices...................................................................5
4.1 Typical solutions for USB Capture HDMI Plus........................................................5
Capture signal from camera / game console / video player / another computer .5
Capture the signal of PC itself ...................................................................................7
Solution A ....................................................................................................................7
Solution B ....................................................................................................................9
Solution C ................................................................................................................. 10
Solution D ................................................................................................................. 11
4.2 Typical solution for USB Capture SDI Plus .......................................................... 13
Capture signal from camera / professional video equipment.............................. 13
4.3 Typical solutions for USB Capture DVI Plus ........................................................ 14
Capture signal from camera / professional equipment / another computer via
DVI cable................................................................................................................... 14
Capture signal from camera / other professional equipment via HDMI cable ... 14
5 FAQ................................................................................................................................ 14

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1 Function of the Interfaces
1.1 USB Capture HDMI Plus
INPUT: The input interface of HDMI signal. Support up to “4096x2160 4:4:4/4:2:2
30fps” or “4096x2160 4:2:0 60fps”
LOOP THRU: The loop through interface. The received HDMI signal will be sent to the
other device without being processed.
Headphones: The headphone interface, through which source audio or audio from
the computer can be monitored.
Mic: The microphone interface, through which voice can be recorded.
USB: The USB interface, through which the capture device can be connected to the
USB 3.0 interface on the computer.
1.2 USB Capture SDI Plus
INPUT: The input interface of SDI signal.
LOOP THRU: The loop through interface. The received SDI signal will be sent to
the other device without being processed.
Line Out : Output the SDI embedded audio to other devices.
Line In : Connect to external audio device to add an audio input.
USB: The USB interface, by which the capture device can be connected to the
USB 3.0 interface on the computer.

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1.3 USB Capture DVI Plus
1. INPUT: The input interface of HDMI, VGA, component (YPbPr), composite (CVBS)
and YC(S-video) signal.
Line Out : Output the HDMI audio to other devices.
Line In : Connect to external audio device to add an audio input. USB: The
USB interface, by which the capture device can be connected to the USB 3.0
interface on the computer.

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2 Status of the Indicator Light
On: The indicator light will be on steadily when a signal source is connected.
Breathing: The indicator light is pulsing slowly when there is no signal, the signal
cannot be locked or supported.
Flashing: The indicator light flashes when there is a problem with the device.
3 System Device Display
3.1 How to Find the System Device
Windows
Select System Tools - Device Manager under the Computer Manager.
Select Imaging Devices to view the video device name.
Select Sound, Video and Game controllers to view the audio device name.
Linux
Enter the lshw command in the terminal interface.
Find USB in the displayed information, then you can see a USB device with the vendor
attribute being “Magewell” as below.

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Mac
Click System to open the System Preferences interface.
Click Sound to view the audio device name as below.
3.2 Description of Adding Device (Windows OS)
USB Capture HDMI Plus:
Imaging devices：
USB Capture HDMI+【HDMI Plus video device name】
Sound, video and game controllers:
USB Capture HDMI+【HDMI Plus audio device name】
USB Capture HDMI+ Computer【PC audio device name】
*-usb
description: Video
product: USB Capture HDMI+
vendor: Magewell
physical id: 7
bus info: usb@2:7
version: 19.2f
serial: B204161124003
capabilities: usb-3.00
configuration: driver=usbhid maxpower=800mA speed=5000Mbit/s

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USB Capture HDMI+ Mic【Microphone audio device name】
USB Capture SDI Plus:
Imaging devices：
USB Capture SDI+【SDI Plus video device name】
Sound, video and game controllers:
USB Capture SDI+【SDI Plus audio device name】
USB Capture DVI Plus:
Imaging devices：
USB Capture DVI+【DVI Plus video device name】
Sound, video and game controllers:
USB Capture DVI+【DVI Plus audio device name】
4 Typical Solutions for USB Capture Devices
4.1 Typical solutions for USB Capture HDMI Plus
Capture signal from camera / game console / video player / another
computer
1. Capturing: Connect the HDMI connector of the game console / video player to
the “INPUT” interface of the USB Capture HDMI Plus via a HDMI cable.
2. Loop Through: Connect the LOOP THRU output interface to the display device
(e.g. monitor, TV) via a HDMI cable. Please refer to the diagram below.

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3. Volume adjustment for playback device: Enter the system sound playback device
interface (Start Menu>>Control Panel>>Hardware and Sound>>Sound>>Change
system sounds>>Playback). Select “Headphones” and click the “Properties”
button to enter the property interface. Enter the “Levels” tab to adjust volumes.
“Headphones” controls the overall volume, “HDMI” controls the audio volume of
HDMI signal source and “Computer” controls the computer volume. You can
drag the scroll bar to adjust the volume level or click the speaker icon to
mute/enable the volume.
4. Volume adjustment for recording device: Enter the system sound recording
device interface (Start Menu>>Control Panel>>Hardware and
Sound>>Sound>>Change system sounds>>Recording). Select “Mic” or “HDMI”
and click the “Properties” button to enter the property interface. Enter the
“Levels” tab to adjust volumes. You can drag the scroll bar to adjust the volume
or click the speaker icon to mute /enable the volume. There is no need to use the
recording device in the solution.

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5. The audio part can be easily set by using USB Capture Utility. Please refer to the
document for details.
Capture the signal of PC itself
There are 4 solutions according to the computer type and the number of monitors.
Solution A
Required device: one laptop

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For audio device connection, please refer to the “Capture signal from camera
/ game console / video player / another computer”.
1. Capturing: Connect the HDMI output interface of the laptop to the “INPUT”
interface of the USB Capture HDMI Plus via HDMI cable. Then the desktop of the
laptop is captured by USB Capture HDMI Plus.
2. Loop Through: “LOOP THRU” is not needed in the solution.
3. Connect the USB Capture HDMI Plus to the laptop via the included USB 3.0
cable.
4. If users want to use the headphones connected to the capture device to play the
audio, please select USB Capture HDMI Plus as the system default playback
device.
5. In the third party capture / recording / live streaming software, select "USB
Capture + Computer" as the audio input device. In this solution, the HDMI
playback device and the recording device are invalid. To adjust the volume,
please refer to the “Capture signal from camera / game console / video
player / another computer”section to adjust the “Computer” volume
accordingly.
6. To avoid video feedback when previewing the screen, users can disable the
software preview function, or minimize the software.