Lightware MMX8x4-HT420M User Manual page 53

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5. Device Concept
Device5VEnable
This function allows sending 5V power to the device. Most USB devices powered by this 5V, so disable and
enable this property is equal with unplug and plug the USB connector.
USB features in MMX8x8-HDMI-4K-A-USB20
MMX8x4-HT series – User's Manual
Application of USB - Example
The Concept
The voice and the picture of the webcam comes over USB-A ports (Device1 and Device2 ) to the matrix and
transmitted towards the Mac Mini via USB-B port (PC1). The matrix connected to the Mac Mini with HDMI
cable, too (I1). The Mac Mini sends the video signal of the webcam and the audio signal of the microphone
via HDMI. The matrix de-embedds the audio and forwards it to the Active speakers. The video is transmitted
to the monitor via HDMI (O2).
Settings
Step 1. In the Control menu, USB switch tab, choose the PC1 from the drop-down menu of the USB Host.
Step 2. Take care, that the sending 5V possibility of the connected USB devices be enabled (Device1 and
Step 3. The video crosspoint is switched to I1-O2.
Step 4. In the O2 video parameters window, set the De-embed to aux audio option from the drop-down menu
Applied firmware package: v1.3.0 | LDC software: v2.4.2
Device2).
of the Audio mode.
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