The Point Groups dialog appears, if you do the following:
Use the dialog to get an overview on which points are members of the point groups used in the system, and on the missions using these points.
Lists all current point groups. Multi-selection using the Shift key is possible.
Displays for the selected point group(s) all points that belong to one or all of these point groups. Points are identified by their point name. If missions have been established already, the points are sorted in order of the mission they belong to.
Tip - The Default group contains all points that do not belong to any specified point group.