It makes me think they must be recycling old POS systems from gasoline pumps -- the ones where you twiddle your thumbs, waiting for the display to update. And,

It makes me think they must be recycling old POS systems from gasoline pumps -- the ones where you twiddle your thumbs, waiting for the display to update. And, any kind of real QA should have / would have caught this. Anything simulating a real user. Leaving me with no confidence whatsoever in the design, engineering, and manufacturing of this system. This problem leaves no room for benefit of the doubt.