I have been using a Tejon for four years and use it only for relic hunting. I keep my lower discriminator just above iron and my upper, forgot the setting, but at about eleven o'clock. I still get iron even on the second discriminator. If the iron discriminates out when you push your trigger forward don't dig. If it is still there when you push the trigger forward then dig it. I found a small pistol and four civil war gun tools with those settings, while my friends who use White's don't find any iron. I don't care what anyone says, you are going to pick up iron. The trick is learning when to dig. As was said previously, you will learn the echo kind of sound with iron. Also, if you suspect iron you can make one sweep over the target and then stop with the detector in the air, if there is kind of an echo then it is big or it is iron.
