The invention relates to an operating- and information system for a breathing apparatus, comprising a display for displaying information and for displaying operating fields for the user, and comprising at least one touch-sensitive input field arranged in close proximity to the displayed operating field. According to the invention, a first operating field and a second operating field are displayed in the region of the display, and a processing unit, which is coupled to the display and to the touch-sensitive input unit, is designed to register an operation of the first operating field via the touch-sensitive input unit, and, in accordance therewith, to cause the control unit to execute the function associated with the operating field.