Hi Urosbe,
First you need to download radiator from this http://flesko.cz/radiator.htm
After you need to choose the bt8x8 as external dll in radiator setup.
To be sure your settings are done, test the program before launching CF.
if it's done, launch CF, go to settings and in FM section choose radiator and don't forget to get the path of your Radiator installation.
After that CF should working fine only in FM mode....not TV for me.

C U