So I have an interesting issue. I can talk to my XG3 with an FTDI USB/serial adapter. But I can't talk to it with my old KUSB serial adapter (which I still use with my K3). The old KUSB is a Prolific device. I did verify I have the latest drivers. Not that big a deal, but wondered if anyone can talk to the XG3 with a Prolific device. Phil - AD5X