Hi Rick
We had to install one HUB-DSPv3 UMD/TALLY/Multiviewer Crosspoint system controller for Tally communication between the Sony XVS6000 mixer and the Ross Ultrix-fr5 matrix, since there seemed to be no direct compatibility between the protocols of both devices.
I hope this helps you.
Greetings
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Andres Dominguez
Málaga Spain
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