Welcome to the forum! There are a lot of veteran AT users here with a ton of knowledge of the machine! What types of areas do you plan on hunting? I hunt old schools, farms, woods but, my main forte is trashy worked-out parks. My advice is to get used to the tones, consult the VDI numbers at first to get an idea of where things show up, but don't strictly rely on the numbers. Once you start getting deep targets, the numbers will jump all over the place, especially if there is iron in the hole with it. If you get a signal that is faint and semi-repeatable 2-way hits, bump up the sensitivity to max to see if the tone improves. If you get a good hit one way and the other way you get iron nulls, 99 times out of 100 it is a nail. HH!