I think these are the right answers. LCDs are already wired and don't need someone's hands to do it. And you can, in software, however late you want in the proc

I think these are the right answers. LCDs are already wired and don't need someone's hands to do it. And you can, in software, however late you want in the process, add a button for this or remove a button for that. In software development this is a given, but in real world manufacturing it's like a super power.