The journey began with MRV300 in USA turns in to major technical events management including with audio-visual equipment, service, and production. Now it turns in to one of the oldest LED trading company in USA. Under all the three different working modes of it, two 50P interface can output different data, and only one common program and software are required. No customized program is needed.
Please read the originial post here: https://www.ledscreenparts.com/product/novastar-mrv300-mrv300-1-led-receiving-card/