Adds genlock input to For.A HVS-490HS, HVS-500HS, HVS-1000HS, HVS-1500HS, HVS-2000HS, and HVS-3000HS video switchers
Adds color selectable (red and green) tally indicator to For.A HVS-490HS, HVS-500HS, HVS-1000HS, HVS-1500HS, HVS-2000HS, and HVS-3000HS video switchers