I am using a K3/10 and cocoamodem for PSK31. I can receive great with cocoasmodem, but can't get the K3 to transmit from cocoamodem. I am using USB mode per cocoamodem's config instructions. How do I get my K3 to transmit from cocoamodem in USB using either VOX or PTT 73s de Dave Guernset KJ6CBS