I have a question about target response? when I lay a quarter on the ground and
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  1. #1
    us
    Jan 2005
    Temperance, MI summer-Sarasota, FL winter
    Etrac, XP Deus, Excalibur 1000, Whites Dual Field PI, Makro Multi Kruzer
    63
    8 times

    I have a question about target response? when I lay a quarter on the ground and

    pass the coil over it, it beeps three times. Once for right side outer coil, once for the inner part and again as it passes the left part of the coil. Is this normal? it makes it sound like I have three targets.

  2. #2
    us
    Nov 2004
    Edwards,Missouri
    MXT - DeLeon - Gamma 6000
    5,599
    56 times

    Re: I have a question about target response? when I lay a quarter on the ground and

    I've never had that happen.How fast are you sweeping the coil? Is it a after-market coil?

  3. #3
    us
    Mar 2009
    Fisher CZ-7
    90

    Re: I have a question about target response? when I lay a quarter on the ground and

    sounds about right.... If you want to try out some other shapes, cut a piece of flashing into the shape of a triangle and bury it. Take your time sweeping across it along 360 degrees and you can tell it's a triangle by the location of the beeps.

  4. #4
    us
    "Is that a Geiger Counter?"

    Feb 2006
    South Central Upstate NY in the foothills of the headlands
    Minelab Musketeer Advantage Pro w/8" & 10" DD coils/Fisher F75se(Upgraded to LTD2) w/11" DD, 6.5" concentric & 9.5" NEL Sharpshooter DD coils/Sunray FX-1 Probe & F-Point/Black Widows/Rattler headphone
    10,943
    11835 times
    Metal Detecting

    Re: I have a question about target response? when I lay a quarter on the ground and

    That's normal for a DD coil. You get a primary signal down the center where the two coils intersect and a "false" on either edge of the outside coil windings. Lift the coil 2" and it will disappear.

    Knowing a few of the idiosyncrasies of the DD coil can come in handy. In this case you'd know to just flip the sod for a very shallow coin and be quickly on your way.
    America was founded by tough hell-raisers. Rugged citizens who evaded taxes, spoke strongly against tyranny, grew tobacco, brewed beer, distilled spirits, and smuggled weapons. And it will be saved by those same types of citizens.

  5. #5

    May 2005
    829
    96 times

    Re: I have a question about target response? when I lay a quarter on the ground and

    It's sort of like a borderline overload situation. When the coil is very close to the coin & sensitivity is set at least fairly high, the detector has a hard time distinguishing between an accepted target & a rejected target.

    It is actually possible a detector won't sound off on a surface coin if the coil is touching the ground & sensitivity is even at a moderate setting. This is why many mfrs suggest lower sensitivity settings than what seems to make sense, or they suggest hunting with the coil an inch or two above the ground.

    If you run at least fairly high sensitivity with coil near ground, you will get those 2 or 3 sounds and a pinpointer will be helpful for finding the surface coin without spending much time to locate it. HH, George (MN)

  6. #6
    us
    Jan 2005
    Temperance, MI summer-Sarasota, FL winter
    Etrac, XP Deus, Excalibur 1000, Whites Dual Field PI, Makro Multi Kruzer
    63
    8 times

    thank you everyone, I tried lifting the coil and it went back to one beep on

    each pass.

  7. #7
    us
    da book worm--researcher

    Feb 2007
    callahan,fl
    delta 4000 / ace 250 - used BH and many others too
    16,655
    3384 times
    Honorable Mentions (1)

    Re: I have a question about target response? when I lay a quarter on the ground and

    with high sen levels --as the coil "approaches" you get the outer edge hit --then the center or true signal--then the inner edge hit as the coil goes by on the way past it --the center beep is the target -- your most likely swinging way too fast in a effort to cover lots and lots of ground with your sen level way high up to get lots of "depth" as well . ---slow down a bit and ease off the sen level a bit -- lots of good signals are deeper give your machine a chance to honestly read the ground under the coil.

  8. #8
    us
    Jan 2005
    Temperance, MI summer-Sarasota, FL winter
    Etrac, XP Deus, Excalibur 1000, Whites Dual Field PI, Makro Multi Kruzer
    63
    8 times

    Thanks everyone, I tried lifting the coil and that worked. As I swung slower it

    still double beeped but now I know why so it's no problem . Sensitivity didn't seem to change anything.

 

 

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