with the se pro,one is supposed to listen to the tones when detecting and not watch the screen.how many supposedly tones are there?so far all i've only heard two,ping and blaat.dig the pings and leave the blaats.so far there seems a lot of trash in the pings and very little keepers.so okay i'm new at this one but ,it's not impressing me.maybe i just listened to much hype and just had to have one.emubob