Thanks Carl for answering me so quickly. The first paragraph about the file 160322 is the best information for me. As I said, I had already read everything about the documentations on the site. My suggestion was to insist about memory management and restoring the default programs. I think it would help to understand more deeply how the 11 programs work and how the choice of a program is programmed.
This will be sufficient for me, and your answer will hopefully help other persons.
Best posts made by gescalmel
RE: Restoring 11 preinstalled programs.
An other little project: Pendulum.
Je soumets ici un autre petit montage: un système de pendules qui pourrait devenir un moulin à vent.
I submit here an other little building: a pendulum system which could become a windmill.
You can see at the adress below the program and a short video.