it is complicated sometimes, because thats the KEY word. Push the button, like there is one...lol it asks you ten thousand questions prior to starting..NOT to mention, your speed, your incline, your goal...etc. Its more than just a "one button" deal so THEY are the ones who make it friggin rocket science.
I Get a LiTTle biT StRoNgEr<3
High incline with a slow and gentle start working up to a strong, fast and steady pace for long distances.
I'm just sayin'.....