Went out for a couple of hours with the Pro/9.5 coil ( I thought I would be getting my 5.3 eclipse today). I used C&J , Disc around 2-3 in multi tone and I had to turn the gain down 2-3 clicks bc of chatter. Question, I was getting tones with the display showing iron but had Disc above nails so were those iron "grunts"? Also, I would get strong quarter readings in one direction and broken grunts in the opposite direction, didn't dig those. All the solid targets I dug were, 2 screw caps, 8 shotgun casings, large washer, skinkin Lincoln and a sterling silver medicine spoon. I did not expect to find much, just a practice run.