Hi Barry, I have the same problem as you describe. Did you find a solution? Best 73, Per-Tore LA7NO -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-O-Mini-Remote-Rig-Configuration-for-Heil-Headset-tp7596322p7627472.html Sent from the Elecraft mailing list archive at Nabble.com.