[quote SkiWhiz]I set the tone settings by air testing certain coins,etc. I set the ground balance to a slight positive setting. I am off now to hit a few parks and will let you all know how I make out with the adjusted "Steve's way settings" Golden uMax. Thanks! Steve.[/quote] Not trying to be a jerk,but don't you think you should disclose that you have been inside this detector changing factory settings?I wouldn't touch this this with a ten foot pole!