I am trying to get FSK to work with a Rigblaster Advantage into an FT2000 using MTTY. The only thing I can get to happen is the radio keys up and produces the tone. There is no switching between Mark and Space tones. I have even swapped out the Rigblaster for another one my son owns and connected it to a different radio. I put a scope on the FSK/CW output on the Rigblaster and I do not see any level switching taking place. Here is how MTTY is set up . Under the Misc tab I have the Com-Txd option selected. I have the Radio Command set for FT 2000 and have tried every combination for Flow Control. And have tried both DTR/CTS both on and off. The radios do not even diddle when they key up. I have followed the Rigblaster manual and online documentation with no luck. AFSK works great on both rigs. Is there something that I am missing?