Hello George, thanks for joining the forum.
I could spend 3 hours writing all the advice I know about the f1 and not hit the exact thing you want to know.
If you have a specific query, just ask a question. People enjoy helping others especially if it in an area that they are passionate about.
(I couldn't really spend 3 hours, I am just trying to make a point!)
Welcome to the Barn.
Mart.