Icom CS-F3000 (v1.1 or later). Note that while it’s named after the F3000 series, it is the correct software for the entire (VHF) and (UHF) handheld series, including the Go to product viewer dialog for this item. Cable: Icom OPC-478UC Go to product viewer dialog for this item.

Verify in Windows Device Manager that the cable appears under "Ports (COM & LPT)" with a COM number (e.g., COM3).

Go to your computer's Device Manager to see which COM port the cable is assigned to. In the ICOM software, go to Option > Comm Port and match that number. 3. Key Programming Features