:)Hello, I wanted to ask about the FT450AT which has as its software
version v.109, with the new v.190 what changes?
k0spn
08-25-2008, 06:18 PM
There was a change in the v0165 dealing with key clicks and the v0190 is mostly to add support for their new PCC control software.
At Yaesu.com, the files section has a description/instruction sheet along with the firmware that tells what's new.