To setup the External Plates DB object do the following steps:

1. connect the external plates database;
2. set the names to the table's columns , that contain vehicle numbers, for displaying in the interface Vehicle Tracer;
3. select search numbers method in the external database;
4. set the number of displayed numbers, found in the external database in case when the search was made for a number component or license-plate number;
5. set the SQL- query in case, when the plate search is performed by SQL-query.