Here is what I learned this morning: the NEMA Port Controller in the iFLY would not launch if the Dynon was connected during boot up. If I booted with the Dynon disconnected I could connect it later and it would work. I made an adapter with male and female DB9 connectors with only the transmit and ground wires, and I could boot with the Dynon connected.
If you are using an iFLY 740B with a Dynon, would you tell me by email what settings you are using in both devices, and where did you get your USB to serial cable? I cannot get mine to work.
Thanks,
Charlie
csturdivant1911@gmail.com