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AT/PRO question

F

fongu

Well-known member
Yesterday I tried doing something I read about in the manual and it didn't work for me and I guess it's because of the different types of iron involved. Anyway, in the AT/PRO manual it says to put the mode in zero and scan the iron target and use the + notch to increase the iron discrimination to find targets that might be hidden by iron trash or nails and not use the iron audio in an area with lots of iron targets. This is supposed to help you find targets, but there were so many different pieces of iron at different VDI readings, it went crazy. I tried ground balancing to no avail. This area used to be my garden area and after I got injured in 1996, I had a barrel out there to burn my trash and the barrels would rust apart and be replaced. Why these iron pieces would have different VDI's is beyond me, it looks the same.
Then at the edge of my yard I got a loud but high pitched sound and dug and dug and thought I had found a property marker, but it was a large piece of iron but I tried the iron audio and for some reason it didn't sound like iron. I switched to coins in the standard mode and turned iron audio on and still got a high sound from my headphones. After digging this piece of iron I scanned the area again to check for additional targets and it was quiet.
Should I have reset after trying to use the iron notch on the zero mode? I forgot to increase the height of the coil from the ground to see if it was a larger target, but I can't understand why iron audio didn't sound off with the piece of iron I dug up. It was about 14 inches deep.
 
I can't find my manual so I watched the video on You tube,(try that). You can use the Iron Disc or Notch Disc in either mode (Std or Pro). To eliminate a specific target, the Garrett video used and Iron nail and a shot gun shells brass, run the coil overt the target and check the vdi. The nail rang up 28 so you run the Iron Disc + until it reads 28, and that should eliminate the nails. OR, you run the coil over the target and hit the Disc Notch and then Elim to notch out that target. You have to remember that detectors sense metal by conductivity. This is why a small piece of aluminum can ring up as or close to the same as a dime, etc.

In a nut shell if you iron disc or notch disc it should reduce if not eliminate most of the iron. If you put it in Pro Coin it will do this for you, you may need to fine tune it with the Iron Disc. I dug a dime under a piece of metal fence at 10 inches so it can be done. I had only had the thing for a few days.

Don't get frustrated, I've only had mt ATP for a few months and still get frazzled, but still go at it.
 
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