John Lennon was a wonderful person, who saw things that other people saw but did not recognize for what they were. A very intuitive individual. I think the world could use a LOT more John Lennon types.<-- I this persons statement. i also John.
To be comfortable shooting manual you will need to know what your necessary adjustments are. Though these settings are all numeric, there isn't some insane math equation that you need to do to find out what to dial