It is very common to find HMI screens that are designed in ALL CAPS. Let's talk about why all caps does not belong on HMI screens.
What is the perfect font to use when developing HMI screens? Like many things in screen design, there isn't a one-size-fits-all answer.
When cruising through Panelview applications, I often find screens that have a green highlight box on one of the input fields. While this distraction is minor, it is a simple fix that should be corrected.