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Vanishing Targets

W

WolfAtTheDoor

New member
Hello all. Today was my second day out with the T2 and after this outing I'm about ready to take up knitting!!! I have no issues with the most notorious T2 drawbacks (caps & nickels on hi-tone). My problem seems to be with vanishing signals. Now I know that it happens from time to time and it certainly happened to me once or twice an outing with my Ace 250, but my T2... jeez! I ended a two hour hunt in a local park with a clad quarter, a copper memorial, an MGD cap, a key and a broken cigarette lighter... after digging about 20-25 signals. Everything else disappeared! I didn't dig any "broken" signals and checked targets both vertically & horizontally with the coil before digging. After getting to the approximate depth, nothing but earthworms. My hand-held probe and even the T2 would now tell me "no dice". No power lines or weird soil conditions there. Anyone else have this problem?

Wolf
 
That's what happened to me when I thought to try a magnet. I collected many tiny bits of iron that the T2 would hit on but even my pinpointer had a difficult time tracking down individually. As I dug, they scattered about and looked like a small, flat pebble. The magnet recovered enough of them that I finally figured it out.

Clay soils can exhibit the same effect. As you dig, the signal moves or disappears and you can't see a thing causing it.

-Ed
 
I have had a few signals like that but did end up finding very small flat pices of metal about half the size of a dime. Had to use the all metal mode as they were completely disced out once they hit the open ground.
 
With other detector I have been able to back the sensitivity/gain down and stop most of that.
 
to a different park with NO false signaling (just a few bottle caps). GC at the first park was in the low 70's, GC at second park was mid 40's. When there actually IS a target, the pinpointing on the T2 is RIGHT ON!!! Don't know why some have complained about it. I didn't even have to cut a plug or use my Wizard for those caps. My coin-popper brought 'em right up from where the T2 said they'd be.

Guys, do I need to prepare myself for a love/hate relationship kinda' thing? :sick:

Wolf
 
Thanks Cody. I took the sensitivity all the way down to 25 and this kept happening. Tried auto and manual GC. Never happened at that site with my other machine. Oh, well. Slim pickins there, anyway, in my experience. It's just close by, that's why I hit it. Glad I went out to another spot this afternoon, 'cause on the way back I found an ENTIRE CITY BLOCK WITH DEMO'D SIDEWALKS! :bouncy: Needless to say, I'll be there bright and early in the morning.

Regards,

Wolf
 
it's something I witness and become more aware of all the time. Here's the deal... I find there are days where this happens some and you can go to the same site at a different time and it won't happen at all. My guess is you just happened to be out when this was in fact happening. When it does occur, I've seen it affect most if not just about all detectors. I was out last week with my T2 and my buddy was using an Explorer II. They both were getting some good sounding "ghosting" no matter what the sensitivity and or GB was set at. Go figure.
 
after you cut a plug to the approximate target depth and check the hole with a good probe (I use the Detector Pro Pocket Probe), you can tell right away it's not a real target. Like I said, it happens occasionally and unpredictably.
 
i found this to happen less often when I ground balanced and got a ground phase of around 63. The other night I had the vanishing thing a bit but I remember my ground phase was around 70 in a different part of the field.
 
Hey Brad you need to log the places and times of those quirks and come up with a chart for prime detecting periods. I can see it know, just like with fishing, the charts could be built into digital watches to show what times of the day and days of the month are best.

:rofl: :rofl:

Tom
 
Believe me Tom, I do pay attention to these occurrences to try and see if there's any discernible correlation in order to make it more "predictable". There's several of my hunting buds that thought I WAS crazy when I first started telling them about my observations. BUT, I keep showing them what I mean when were out hunting whenever I can note conditions aren't "right" and they are starting to see the light.
 
That what you are seeing is true Brad. The actual physics of the way detectors work is pretty simple, but in practice it ain't that easy!

One thing I just noticed about the X-T 70 is like with the C$, when hunting in iron turn the tracking on for a bit in an area with moderate iron, not quite clean enough thst you would use that spot to do a manual GB but clean to the point that there are only 2-3 iron hits per sweep. Turn the tracking off locking the GB and the performance is greatly improved. I find that very curious because on the C$ you had no idea of how that changed the GB setting, but with the 70 you can punch the GB button and see that the setting is far from what your manual GB would be only a few feet away done in a "clean" area.

Very Very curious!!

Tom
 
in the situation you're referring to? Is the dirt "in with the iron" actually of a different phase or is the auto tracker actually being influenced by the iron and perhaps SLIGHTLY tracking towards it which winds up helping somewhat or sometimes? I have just the place to try this out and see for myself..... interesting... thanks for the info, Tom.
 
"or is the auto tracker actually being influenced by the iron and perhaps SLIGHTLY tracking towards it which winds up helping somewhat or sometimes?"

Close... but no seegar! Take iron out of the signal earlier and what ya got?

Tom
 
Not that I know of anyway. GB is fixed at 90 at startup, it stays where set if changed with Fast Grab or manually. Same with the other settings. There may be something set internally, but nothing that I've noted in wildly varying ground. I've seen from mid-60's to as high as 90 selected by using fast grab in nearby spots. Manual GB will agree with FG's choice in most situations.

-Ed
 
n/t
 
n/t
 
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