Unbelievable. In the bad old days before we had regulations regarding the functioning of things like ARPA stuff was dumped onboard and we had to read the manuals and get on with it. The first ARPA I sailed with required loading a bootstrap code by buttons before loading the program on a punched paper tape, transit satnav program was on wire.
That the autopilot wasn’t immediately disabled by turning the wheel is an epic failure of design but the most basic documentation should of highlighted overriding the autopilot.
There was a complete failure in implementation of the new equipment from management down.