Path: Settings > configuration > property search

You'll want to enter you latitude/longitude location. If not, all maps will default to Boston, MA (our headquarters). You'll also be able to select if the quick search appears or is hidden by default. 

Above, you'll be able to select your default search settings. When a viewer performs a new advanced search, these defaults will be appear automatically. The viewer will need to reset the search or remove/add onto the default options.