hello and thanks for nice application

i have a little problem with my new sansa..radio fm haw the classic problem of signal.when im moving the volume became crazy and noisy..
so i started to install rockbox.it found my sansa automatically so i continued.it finished installation and i plugged off my sansa.but i dont see any difference in menus...is that right?i see some videos in youtube and menu is very different..
i hope you help me,i love this mp3 but fm radio is a big problem...thanks guys
