CAT COMMANDS FOR IC-M710USING OMNI-RIG NOW. DOES NOT SHIFT RADIO TO SLOT FREQUENCIES. MAYBE A CORRECT CAT FILE WOULD HELP.KEN WB4AKK
A full list of control codes and much more, for IC-M802:
http://yachtzenagain.blogspot.com/2016/05/icom-ic-m802-remote-interface.html
This is not my web page and I take no responsibility for the correctness of it - but what I have looked at seems correct.