Does anybody on here use the deben long range terrier finder? how do you find it for giving you the actual depth of the dig. I have the mk2 one and it is very accurate at finding the dog and is always spot on but the depth that it gives is always about 2 foot more than it acyually is. going to upgrade to the Long range one I think becasue its cheap, water proof, and going by the one i have is easy to use too.