Guys, thank you for your info. I got more than I asked for
It is really clear to me now.
This is what I like about our job. On one hand you know what you should know about your aircraft systems in order to operate the aircraft. And on the other hand, if you are more interested of course, you can go deeper and deeper in the technical aspect of the systems. It's like peeling off the layers of an onion.
Thanks again and happy landings
Nakamura