The most important button is the button, which switches on the “locations history”. When switched on, calculated locations will appear on the map as little white dots. As new locations appear, these white dots will build one or more clouds. The centers of the clouds are most likely the positions of the searched transmitters. Plots can then be placed manually on the centers of the clouds by using this button: . Furthermore it is possible to let the system try to automatically place plots on the centers of the clouds by using this button: