Icom released new firmware for the IC-7300 ver. 1.4 with many very useful changes including spectrum scope changes, Expanded Menu selections, A FT-8 preset selection, programable microphone buttons, Front Key customization etc. So many many changes that they added a 11 page manual to cover the changes. I have added a link to the Icom website: IC-7300 Ver. 1.4 and to the firmware document here: Icom IC-7300 ver. 1.4 firmware Docs
For those of you that own a IC-7300 or plan on operating one soon or at “Field Day 2021”, use the Docs link to familiarize yourself with these new and very useful updates/changes.