Here you can specify a desired timeframe by choosing a start and an end date. The first possible start date is 29-May-1996 and the latest end date 6-August-1996. On the right side you can see the assigned Day of Year respectively.
Here you can choose if you want to plot the velocity of several iron ions given below, the average charge state (ACS) of all given iron ions or both. You can only choose iron ions when the velocity checkobx is checked. If you decide to plot velocity and ACS the ACS will be shown in an own panel.