Graph Options allow you to configure the visual appearance of the graph. Is it possible to select which curves are displayed and in the case of split graphs, whether to display in the upper or lower graph. For each line curve, you can choose colour, thickness and style, if its vertical axis and its minimum and maximum value on the graph  is to be shown. You can also choose background colour, the minimum and maximum value for the horizontal axis and if colours should be used to represent the various channels or must be associated with laps/sessions.