13.8.3.1-4 Minimizing Test Equipment Controls, Displays, and Modes

Test equipment should be simple to operate and have a minimum number of controls, displays, and modes.

Additional Information:
Controls and displayed information should be organized to reduce the amount of mental effort required to find, access, and use them. Test equipment should not have many individual control and display devices that the maintainer must coordinate to operate it. However, their number should not be reduced to such a degree that many control and display modes are introduced, which can create opportunities for mode errors.