1. A control panel unit for a computer system comprising: a display screen having first and second display regions for displaying first and second soft labels, respectively; and first and second button inputs located external to the display screen, the first button input configured to display a first viewable state thereon and the second button input configured to display a second viewable state thereon, wherein the first and second soft labels are associated with and adjacent to the first and second button inputs, respectively and wherein in a first context, the first viewable state and first soft label represent functionality of the first button input and the second viewable state and the second soft label represent functionality of the second button input, and responsive to actuation of the first button input in the first context, the second viewable state and the second soft label changing to represent the functionality of the second button input in a second context.