TTex600;
There has been on and off discussion regarding possible reasons for the PF adopting the NU inputs with the Sidestick.
Takata posted full details and description of the SS in
AF447 Thread No.5 - post# 1818, and using the following Google search format will reveal a number of other pages of interest:-
af447 pf arm rest site :
http://www.pprune.org/tech-log/