Try the BNF manual. It contains programming information. I have a few 450s and programming is not the same on all. That's because of electronics I put on and how well they are mechanically tuned. [link=http://www.horizonhobby.com/Products/Default.aspx?ProdID=AGNKX015074A#quickSupport]Trex 450 Pro manual[/link]. Also search on YouTube for trex 450 pro dx7. I'm certain some of those links will contain information you are looking for.