Maybe you should ask questions about your Tekin products in the TEKIN THREAD.

If you are going to make a change to a setting, you are going to have to post what your motor/esc is doing that you don't like. There are way too many setting changes that can effect way too much stuff for someone to just write out what everything does. Not to mention there is a guide on the Tekin website that gives you a general starting point.

Also, if you are asking these types of questions, you do not need an 8.5