In the video Qlab is pressed to start video on the monitor (MA VPU) next to the console and then pressed again to change video.
https://youtu.be/DpVtKfN8PHc
The OpenLab at City Tech:A place to learn, work, and share
The OpenLab is an open-source, digital platform designed to support teaching and learning at City Tech (New York City College of Technology), and to promote student and faculty engagement in the intellectual and social life of the college community.
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