Does anyone else bob their coil up and down to pinpoint?

[jrmekrn]

I own an older whites coinmaster classic II. Needless to say, it is not fancy. You got your sensitivity, your discrimination, and your all metal mode. In the manual, the pinpointing method is described as basically using all metal mode and making a grid pattern over the target and estimating the center. Well, there is lots of room for error using this method and even though I'm ok at it, my holes were getting embarrassingly large. I found that for most targets there is a threshold where you can bop the coil up and down against the ground and the detector will beep. So I will just turn up the discrimination and down the sensitivity until the area in which the detector responds like this is reduced to about a 1.5" diameter circle. And that is the method in which I pinpoint my targets. Needless to say it doesn't work so well with irregularly shaped objects, but its my understanding that more expensive detectors with pinpointing modes have trouble with that too. I assume other people do this. I just haven't heard it described as a technique before.

By the way. . . I'm new here so hi everyone!!!!
I live near Dallas, TX
I use a whites coinmaster classic II
I mainly coinshoot.
I hope to get to know everyone around here!!

 

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[vic910]

Welcome to the forum! While I don't use that method to pinpoint, it is something to keep in mind. I always like reading about new methods of doing things.

vicki

 

[kermit]

Welcome

 

[Born2Dtect]

I raise my coil to get the cone pattern from the coil smaller so pin pointing is more exact. I can usualy get most targets even deeper ones in a 6 inch circle.

Ed

 

[Floater]

Ed has a good point but I suspect your method is due to the fact the the coil must be moving in order to detect an object. The up and down motion therefore is a good method. I elevate my coil sometimes to minimize the signal like ed said and this helps in trashy areas. HH

 

[dudes2112]

Welcome. I've done the Ed move as well but never up and down. When you go down are you actually tapping the coil on the ground?

Dudes

 

[jrmekrn]

Welcome.? I've done the Ed move as well but never up and down.? When you go down are you actually tapping the coil on the ground?

Dudes

Yeah, not very hard, but I do bump it against the ground. It certainly doesn't need to be bumped against the ground though. I'm just too lazy to make sure that it doesn't.

 

[dudes2112]

I have a really old White's that my son uses that will give a blip if you tap the coil on the ground, regardless of there being a target or not. Just figured it was a defect or something. I'm curious now to see what I can do with the bounce method.

Dudes

 

[JakePhelps]

I use that method with my tracker4! just started using it recently My detector gives false signals if you wack it on the ground too hard though :P

 

[Uncle Willy]

You bob the coil to set ground balance but never heard of bobbing to pinpoint, since each time you raise or lower the coil you detune the coil and render pinpointing an exercise in futility.

Bill

 

[jrmekrn]

I think I need to clarify a little bit.
My metal detector has neither a pinpointing mode nor automatic ground balancing.
This is what I'm doing: I know the coil has to be moving to get a signal, but instead of moving the coil back and forth across the target I move the coil up and down directly over the target. Then I decrease my sensitivity and increase my discrimination until I almost lose the signal and my detector only beeps when the center of the coil is exactly over the center of the target. I hope that makes a little more sense . . .

 

[JakePhelps]

Exactly!! This method is great, i can pinpoint a coin almost exactly with my tracker, now thats hard!

 

[caratjuice]

I own a DFX and after I crisscross the target and determine the best location, I hold the coil on top of it and pull and release the trigger. This shrinks the target. I than bounce the coil in another crisscross pattern on the smaller target area. I may do this a few times until it almost shrinks to nothing. I know when I'm done, that I'm am right on top of the target. It works pretty well. I think they call this detuning.