due to navcore issues i had in this thread
http://www.navitotal.com/forums/showthread.php?2157-speed-cam-differences-on-same-map-with-same-speed-cam-updates/page4
i think i am part way to understanding switching files
basically they give your devices some options it would not normally have in its standard form, and depending on what settings you put in the config folder depends on what extra options you get
how ever some devices (like mine) will be limited by the hardware they have , so although i have the options ...