: Ensure the radio is ON and the cable is firmly plugged in. Check that the in the software matches the one in Windows Device Manager. Software Compatibility
Connection is physical, but it requires a little finesse. icom icf4003 programming software work
Assign the side buttons (P0, P1, P2, P3) to functions: : Ensure the radio is ON and the cable is firmly plugged in
If you can hear others but they can't hear you, ensure your TX Tone matches their RX Tone. icom icf4003 programming software work