Following settings manage search form on the map when it was enabled in Listings sidebar metabox.

Enable keywords search - show keywords search on the search form.

Enable listings autosuggestions by keywords - listings will be suggested by entered keyword.

Default keywords - keywords field placeholders.

Enable categories search - show categories search on the search form.

Categories search depth level - categories search depth level on the search form (1,2,3).

Select certain category in search - category that will be selected by default.

List of categories in search - the only categories allowed to select in the search form.

Enable locations search - show locations search on the search form.

Locations search depth level - locations search depth level on the search form (1,2,3).

Select certain location in search - location that will be selected by default.

List of locations in search - the only locations allowed to select in the search form.

Enable address search - show address search on the search form.

Default address - address field placeholders.

Enable radius search - whether to use search by radius. Default radius value selected in the Map starting point and radius metabox.