Why are the systems made available to the crew in such a way that they can be disabled? What’s the real world, legitimate reason for crew disabling these systems?
“Whats the real world, legitimate reason for crew disabling these systems?”
Electrical problems. Shorts. Fires.
You’d want to be able to shut them down in cases like this.
For the ACARS it gives us the ability to reset the system if it is not functioning propey. Similar to cntr-alt-del
I’ve always heard it’s to be able kill the power so you can extinguish an electrical fire.