Laz.
Have you seen this recent video by Russ Ramsland?
See this thread. See the video.
https://www.freerepublic.com/focus/f-chat/3903444/posts
It’s an hour long. It’s detail info that you will understand. Yet it’s basic enough so that anyone can understand.
I have not. I’ve been up since 3AM working on the initial post. I need a nap first. I’m old and stuff.