GPS Settings
The field named Show GPS on this web site: contains, and lets you edit, the map website link that is shown when you use "Custom" in the program's GPS windows.
Click the GPS icon on a Browser thumbnail to show a picture's location on a map inside Zoner Studio or Google Earth.
If the source tracklog for assigning GPS coordinates contains a large amount of errors in its data, turn on Filter junk data from GPS tracklogs.
To work with cadastral maps for the Czech Republic, simply check the option Show cadastral maps and information from RUIAN.
RUIAN stands for Registry of territorial identification, addresses and real estate (Registr územní identifikace, adres a nemovitostí) in Czech. It contains only information about the Czech Republic.