6 Frequency and Time Domain Analysis140 Keysight U8903A User’s GuideFigure 6-11 Marker measurement data displayMarker –>This function allows you to view a section of the graph based on the selectedcurrent marker position. Using the softkeys, you may configure the graph area tobe displayed by positioning the current marker at either the center, start, or stoppoint of the graph plot. In addition, you can also view the area between thecurrent marker and reference marker by pressing Marker Δ → Span. To access theMarker → menu, press on the Graph panel.