I am not a resident , but I see no response. I hope someone private messages you with a detailed programming explanation. My simplistic take on it would be to:
Select a free bank. Find your "How to program an 800 mHz Trunking System" in the manual. Enter both these freq's in Control Channel Only mode.
*South Bend - 859.7625 , 860.7625
Hit SEARCH . Talkgroups should start popping up.