This is one of several places you can turn the Continuous Search Airport on Map on/off.
Set the maxmun number of airports allowed to be displayed on the map. If the result has more airports than allowed, the upp-right counter will turn red.
Set the longitude/latitude precision and format of the position of the mouse on the map, which is displayed on the upper-right of the map.
Set the base map to use from over 30 choices.
Change the theme to the one you prefer.
Set the measurement unit of the Map Scale Line.
Turn the overview map on/off. An overview map defines the boundaries of another map within the context of its surrounding areas.