Disabling or changing Radio on/off sound

[DaPeeps]

Ok, so you know how if you go to Comm Manager and turn the Phone/radio off, or turn it back on, it makes a sound? It also makes that sound when you first turn the device on (because the radio is being enabled during bootup). Is there any way to disable this sound, or change it? I can;t find ANY info on this...anywhere....I'm sure there is at least some sort of registry change to do it....