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  • 1 Post By lookindown
  • 1 Post By WVCOINHUNTER

Thread: GARRETT AT PRO DEPTH ISSUE

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  1. #1

    Feb 2008
    75
    8 times

    GARRETT AT PRO DEPTH ISSUE

    So after so about 20hrs on the AT Pro....And some ground Depth testing.....This machine has less depth than my Ace 250 with the same size 8.5x11 DD Coil......The 250 picks up a silver quarter at 8" (Very intermittent but detectable) the AT Pro in Pro mode zero gets nothing?? Go figure. Contact Garrett?? VERY DISAPPOINTING!

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  3. #2

    Apr 2007
    Mertztown, Pa
    Minelab Etrac, Safari,X-Terra 705, Tesoro Tejon, Whites DFX, Garrett AT Pro, GTI 2500, 250, Fisher Gold Bug DP,F75 Limited
    719
    76 times
    All Types Of Treasure Hunting
    Yes contact Garrett, first check all your settings. But 8"(at least in the soil I hunted in) should ring pretty clear and repeatable.

  4. #3

    Apr 2012
    Minelab Explorer Se Pro,Garrett At/Pro,Garrett Ace 350,Tesoro Cibola,Tesoro Outlaw,Bounty Hunter SharpShooter 2
    936
    332 times
    All Types Of Treasure Hunting
    Id be calling them my ace 350 picks up a silver quarter at 9-10 inches air testing and 11-12 inches with the bigs coil

  5. #4
    Charter Member
    us
    Come out from under your bed today...... DO SOMETHING!

    Jun 2008
    Yarnell,AZ and Titusville,FL
    Right now: Garrett GTA 500, ACE 250, Fisher Impulse 8, Gold Bug 2, Whites GMT, Vibraprobe 570, and Falcon MD20
    4,137
    1428 times
    Coinshooting, Gold prospecting, and Nuggetshooting
    Honorable Mentions (1)
    Mpro1, I suggest first doing a hard reset (get all settings to factory) before calling. Then work the machine using the buried items. Go easy on the changes. I own a 250 and I know it goes deep, but your other machine should do better. I don't own an AT Pro. TTC
    At home the ground was covered with snow, and I was covered with sweat. My younger brother called me a killer and my daddy called me a vet. Still in Saigon. Charlie Daniels Band

  6. #5

    Feb 2008
    75
    8 times
    Quote Originally Posted by TerryC View Post
    Mpro1, I suggest first doing a hard reset (get all settings to factory) before calling. Then work the machine using the buried items. Go easy on the changes. I own a 250 and I know it goes deep, but your other machine should do better. I don't own an AT Pro. TTC
    I gave that a try with a 1940 silver quarter.The AT Pro Pro Mode Zero SENS -2bars @ 6" gets it with correct ID and good signal. @ 8" Numbers bouncing 30's 40's 50's....@ 10" around 53 nickle. Go figure

    The Ace250 with 8.5X11DD SENS -2bars ALL Metal @ 6" Hits solid between Penny and Dime @8" Solid Nickle @10" Nothing.

    The ATPro in standard mode zero was very jumpy at 6"??. The 250 hits were solid & repeatable.....
    Last edited by mpro1; May 16, 2012 at 08:00 AM.

  7. #6
    us
    Mar 2010
    Florida
    ACE 250,AT PRO, CZ21...RTG pro scoop...Stealth 720
    4,153
    1766 times
    All Types Of Treasure Hunting
    Honorable Mentions (1)
    Quote Originally Posted by mpro1 View Post
    I gave that a try with a 1940 silver quarter.The AT Pro Pro Mode Zero SENS -2bars @ 6" gets it with correct ID and good signal. @ 8" Numbers bouncing 30's 40's 50's....@ 10" around 53 nickle. Go figure

    The Ace250 with 8.5X11DD SENS -2bars ALL Metal @ 6" Hits solid between Penny and Dime @8" Solid Nickle @10" Nothing.

    The ATPro in standard mode zero was very jumpy at 6"??. The 250 hits were solid & repeatable.....
    I checked my AT pro with the same settings you used. I got 86 to 88 at all depths, even 10 inches. People always say their AT pros are jumpy. The only time my numbers jump wildly is on a bottlecap.
    cooper1841 likes this.

  8. #7

    Feb 2008
    75
    8 times
    Quote Originally Posted by lookindown View Post
    I checked my AT pro with the same settings you used. I got 86 to 88 at all depths, even 10 inches. People always say their AT pros are jumpy. The only time my numbers jump wildly is on a bottlecap.

    Think it's a bum unit?

  9. #8
    Charter Member
    us
    Come out from under your bed today...... DO SOMETHING!

    Jun 2008
    Yarnell,AZ and Titusville,FL
    Right now: Garrett GTA 500, ACE 250, Fisher Impulse 8, Gold Bug 2, Whites GMT, Vibraprobe 570, and Falcon MD20
    4,137
    1428 times
    Coinshooting, Gold prospecting, and Nuggetshooting
    Honorable Mentions (1)
    I would say yes, but a rep should be contacted. TTC
    At home the ground was covered with snow, and I was covered with sweat. My younger brother called me a killer and my daddy called me a vet. Still in Saigon. Charlie Daniels Band

  10. #9

    Apr 2012
    Minelab Explorer Se Pro,Garrett At/Pro,Garrett Ace 350,Tesoro Cibola,Tesoro Outlaw,Bounty Hunter SharpShooter 2
    936
    332 times
    All Types Of Treasure Hunting
    I hear nothing but good things from garrett so id call them and figure out what to do next could be simple as a coil ...but im no repair man

  11. #10

    Feb 2008
    75
    8 times
    I wanted to be sure so I buried a Quarter at exactly 5" a couple of days ago......I get a low iron trash signal barely audible on the AT Pro......The Ace 250 gets it in coin mode but penny ID......I am gonna contact......

  12. #11
    Charter Member
    us
    Jan 2012
    Vienna, WV
    Garrett AT Pro, Bounty Hunter Platinum, Garrett Pro Pointer
    39
    14 times
    Metal Detecting
    I would definately contact Garrett! I love my AT Pro, and my first silver coin with it was a 1929 mercury dime between 9 1/2", and I actually measured it. I have also found rings deeper! Getting to know all the sounds and paying attention to the really faint ones helps. Garrett is great to work with, and they will definately help you fix the problem. Good Luck!
    cooper1841 likes this.

  13. #12

    Feb 2008
    75
    8 times
    Quote Originally Posted by WVCOINHUNTER View Post
    I would definately contact Garrett! I love my AT Pro, and my first silver coin with it was a 1929 mercury dime between 9 1/2", and I actually measured it. I have also found rings deeper! Getting to know all the sounds and paying attention to the really faint ones helps. Garrett is great to work with, and they will definately help you fix the problem. Good Luck!

    I contacted them yesterday, and they were great. Gonna try a new coil first.

  14. #13

    May 2005
    650
    24 times
    Hope that new coil helps! Something very important on the AT Pro is using manual ground balance & being able to understand when it is set correctly. At first I avoided manual ground balance, got nothing deeper than 2 1/2" and was about to sell it. Then I started using manual ground balance, in the simple to understand STD mode, & got a dime down 7" that IDed correctly. This in a park detected 100s of times, soil somewhat mineralized & very dry.

    You mentioned using -2 sensitivity. Just to be sure we understand each other, do you mean down 2 bars from max (6) or do you mean sensitivity 2 out of 8? Should not be necessary to use sensitivity 2, but 6 or 7 out of 8 is usually fine. Please let us know how it does after you get it back. Best wishes, George (MN)

  15. #14

    Feb 2008
    75
    8 times
    Quote Originally Posted by George (MN) View Post
    Hope that new coil helps! Something very important on the AT Pro is using manual ground balance & being able to understand when it is set correctly. At first I avoided manual ground balance, got nothing deeper than 2 1/2" and was about to sell it. Then I started using manual ground balance, in the simple to understand STD mode, & got a dime down 7" that IDed correctly. This in a park detected 100s of times, soil somewhat mineralized & very dry.

    You mentioned using -2 sensitivity. Just to be sure we understand each other, do you mean down 2 bars from max (6) or do you mean sensitivity 2 out of 8? Should not be necessary to use sensitivity 2, but 6 or 7 out of 8 is usually fine. Please let us know how it does after you get it back. Best wishes, George (MN)

    Thanks for the info....Yes 2 bars from max on the sens for the testing..........I haven't received the coil yet but will update w/ the results.........I am definitely intrigued about the manual ground balance and learning how to set it properly??
    Last edited by mpro1; May 23, 2012 at 05:07 PM.

  16. #15

    Jan 2013
    3
    All Types Of Treasure Hunting
    I think I am having the same problem. My numbers are constantly jumpy and havent really found any coins deeper than 5 or 6 inches. I buried a clad quarter in my backyard at 8.5 to 9 inches down about 5-6 weeks ago and my AT Pro still doesn't find it at all. I has been rained on quite a few times also. I think I will be calling Garrett tomorrow morning. I am aso having problems with my Garrett Pro Pointer which they already replaced once. Garrett's customer service has been excellent so far but I would rather not need them at all.

  17. #16
    Charter Member
    us
    Dec 2012
    S.E. Michigan Port Huron area
    Garrett AT Pro,/w 8.5x11DD & 5x8DD and 4.5 Super Sniper coils. Grey Ghost Amphibian Headphones. Garrett Pro Pointer, Lesche, and an 18" mini-Samson digging tools
    835
    508 times
    Metal Detecting
    I check my ground blance at intervals through out the hunt, and sometimes there big changes on the same site!. I have used the large DD and the smaller DD and have no problem finding dimes at 10 inches, with either one. Is there stuff between the coil and the coil cover, if you use one?
    I used to be a people person, but people wrecked that, for me!

  18. #17

    Apr 2012
    NH
    AT Pro
    214
    92 times
    All Types Of Treasure Hunting
    Quote Originally Posted by DougJorgie View Post
    I think I am having the same problem. My numbers are constantly jumpy and havent really found any coins deeper than 5 or 6 inches. I buried a clad quarter in my backyard at 8.5 to 9 inches down about 5-6 weeks ago and my AT Pro still doesn't find it at all. I has been rained on quite a few times also. I think I will be calling Garrett tomorrow morning. I am aso having problems with my Garrett Pro Pointer which they already replaced once. Garrett's customer service has been excellent so far but I would rather not need them at all.
    Something is wrong with it... I haven't found a lot of silver, but out of my last 6 silver dimes, only 1 was less than 7 inches.. most 8 to 10 in pretty hunted out parks. If it can get that on a silver dime, it should do better on a quarter. I dug two extremely worn colonial coppers 2 weeks ago with one at a measured 12" (confirmed by a friend but wet ground may have helped though).

 

 

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