What kind of feedback do you get from a grid of buttons? How do I know whether 1 is top left (like a phone) or bottom left (like a keyboard)? Once the initial

What kind of feedback do you get from a grid of buttons? How do I know whether 1 is top left (like a phone) or bottom left (like a keyboard)? Once the initial setup is out of the way (which I admit is probably a bit of a pain) being able to either talk to it or have it announce what's about to happen seems like a good idea.