Hi all, I can control the K3 over the rs232 cable. No problem. CW en PTT also works over the same cable with the PTT-KEY settings on. VERY NICE!!! Keeping the winkey as a backup now. Now the question: Is it possible to run RTTY in FSK D over the rs232 cable directly into the K3 just like the CW keying? 73 Arie PA3A