Hi all me again, sometimes i feel like i'm just wondering out there in the field(so to speak), New settings.... opinions welcome ,,,,,smartfind, IM.30, sens. 18 to 22,Gain 6,threshhold 7 or whats audible, var.9 or 10,noise 5, limits and contrast 10. i xout foil,nails,screw and crown caps. Any opinios would be great , hate to bother you guys. thanks in advance.