Here's a link to the manual-download portion of their site. I downloaded the 2500 and 2100 manuals for my 2003 Windsor but do not remember which one corresponded to my unit. I've since traded the coach.
Trip Tek Manuals
Dave & Cathy, 2002 Country Coach Affinity, 42', #6103, CAT C12, 2018 GMC Acadia, Linux Mint