just checked again, that's a UI bug, you can activate them by clicking on the text lines, not on the radio buttons
Found out that myself too

I feel so stupid because Petr emailed me last night for a file so he could check my configuration to see what was wrong

I already emailed Petr with the right information.
Greetz, Red.
EDIT : Just got an email from Petr back that the GUI programmer is working on it
