Hi, I have problem with getting the radio control working after upgrading to V4.22 My settings are: Radio:ON Icom 781 Address 26 loop 5000 COM 2 IRQ 3 2F8 1200 8 N 2 781 is set to 8Bit and 1200B TNC is not conflicting and not in use. Any idea? Herb, OZ7SM G0WAZ