hello Dr_Jezz, I have used it a "long time ago" (in 2012) and it was doing the job to me. It had not evolved a lot for a while and the last version I have is the 2.02 one... The MIDI setup panel was a little be "complicated" to me and I prefered to use instaed the Javik librarian application in fact if I remember well since it was supporting a LOT of file format and especially it was including the original WAV files format. So it allowed me to recover some sounds I had on a very old K7 tape (from 30 years old I guess) that I imported as wave files to my PC and imported easily then to Jarvik's librarian instead of having to do the connection to the Juno106.
The sad thing is that it seems that the https://www.jarvik7.net/juno-106/ URL does not seems to work anymore today 8(( I hope it is not definitive since it was a good tool if I remember well. (sorry for my bad English).