Plug the OPC-478UC cable into a USB port. Plug the other end firmly into the radio's speaker jack.
: Modify the memory channel tab with your desired frequencies and settings. icom ic-f3003 programming software
Connect the 2-pin end of the cable into the radio's speaker/mic jack. Ensure it is firmly seated. Turn on the radio. Set the volume to a mid-range level. Step 5: Read the Radio (Back Up First) Plug the OPC-478UC cable into a USB port