OK so do you guys dig when your excal nulls out and has a tone with the null? I went out tonight and the beach i went to was full of iron. sometimes it would just null out and other times it would have a quick tone and then null or null then tone, and if i went over it a few more times it would not always have the tone with the null.. Do you guys dig the tone and null or just pass over it?..... Not a very good hunt only a few clad, cheap earring, toy car and i dug up 4 4ft metal fence post they use for snow fences. They drove me crazy trying to pinpoint those things...