Fitbounds feature let you Enable Google API fitbounds methods to auto zoom and pan maps to contain all active locations in JoomMap.
When ever the users changes selections this plugin will fire and all locations will be visible at the hightest possible zoom level.
The map will initially load using the zoom level and centre point configured in the map parameters and fall back on those settings if the user deselects all location types.
To enable this feature make sure Fitbounds plugin is enabled, go to plugins manager and search for Fitbound and enable it.