The parameters available on the machine also depend on what software package it is running.
Parameter 22 changed when BT changed over from a mechanical tiller brake switch to an inductive tiller brake switch.
The same card / software could be fitted / uploaded to an older machine so a parameter to select the type of brake switch was required.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.