I have a MXT and I have been using the relic mode lately with trigger in the forward position for discrimination of junk But my silver and gold counts seem to have gone down so I might try going back to the all metal mode for a while or start digging more penny signals have gotten lazy lately and been aiming at the quarter signals of 83ish you can go to the Whites web site or MXT sight and find more info than you ever thought you needed but nothing is better than practice practice practice and pay attn. to the numbers as you dig . you will learn they are very accurate on the clad. I found this guide to be A HUGE HELP I don't know why they don't add it to the manual????? Whites take note!