The plot setup menu contains several options which can effect the overall plot display. These include the ability to set the background color, define the plot grid characteristics, and add an overall upper label to the plot window. Figure 10 shows the effects of several of the options including: adding an overall top label, setting the background of the parent plot window and the grid definition.
There are two things to notice in the example. The first is that the top window label defined in the plot setup menu is centered with respect to the plot grid and not to the plot outlines. The second is that the program internally checks to see if any item is being output in the background color and if so will use the complement of that color. That is why the red top label is output in cyan on the red background.