Followed all instructions from page 39 in the radio manual.
The sound is coming out of the sound card I tested with speakers).
The sound dissapear between the computer and radio??????
Does the Rigblaster have a configuration block inside and are the jumpers set correctly for your rigs input.
I use a SigLink USB, but I did looked into the Rigblaster(various models) and I believe configuration settings inside need to be addressed on a rig per rig configuration.
The road goes on forever and the party never ends...