Anybody use notch for pull tabs/rings?

[signal_line]

I don't hear much talk about it and kinda figured not too many use this feature. My guess is people keep it secret.

 

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[vferrari]

Gold jewelry falls right in that range, so it’s not used more out of a desire not to miss valuable targets vs. some super secret magic setting. Can be useful if you happen upon a patch of pull tabs at a fire ring or something like that but when you notch, you always run the risk of masking a keeper.

 

[Baribal]

Would never do that!
very thin silver coins (for example the one attached) are in the same range as aluminum foil for example. Same with pull tabs, could always be a nice coin.
Out of my experience I dig up a lot of trash but theres some nice stuff inbetween as well, which I would have never found if I had used the notch feature on my detector.

 

[eman1000]

Nope - I don't unfortunately the pull tap rings in the same vdi as a Nickel >50% of the time. This has been true for every machine I have used so far.
I have also found gold rings that respond with the same vdi and audio as a pull tab. With a really fast machine like the Deus I can sometimes call it though on a pull tab from the audio response.

For me the little 5.3 coil on my whites locks in on a 19 it is usually a Nickel if it jumps more then 1 vdi number I suspect it is trash (dig anyway though). I believe this is true for the NOX as well but I wasn't able to train my ears to that machine.

I have experimented with notching everything between a Nickel range and Copper though if I am cherry picking in a trashy site.

 

[signal_line]

Many of the places I hunt have huge amounts of aluminum trash. I've done a little with notches but need to refine my technique. I agree if the area is not too trashy best not to use any.

 

[Dave Rishar]

I used to notch like crazy in heavy trash, but after I lost my settings with the last update, I opted to rely just on full tones for a bit before restoring those notches. I haven't felt the need to go back to heavy notching but I may experiment with it some more. I was mostly using it in blighted parks to notch out the ferrous crap at the bottom of the scale, as full tones can be a bit lively in our mineralized soil and I don't need (or want) to hear where the iron is - it's everywhere. In sites like this, low conductors are almost always trash. On older sites without modern trash I didn't notch at all, as some of those ferrous targets are keepers.

If you want gold, you're going to get pull tabs. If you're not getting pull tabs (or nickels), you're potentially walking past gold. I haven't been able to find a good way around this. If someone has, hopefully they'll talk about it.

My two biggest aids in "aluminized" sites are 4k and full tones. Foil balls and can slaw almost never give a repeatable signal in two different directions, at least at low frequencies. If the target is giving wacky signals in different directions, it could be something good...but it probably isn't. At least, it never has been for me.

Perhaps the two biggest problems with giving advice to others in this hobby is that we can never know for sure what we've walked past, and when we do bother to dig iffy signals, we tend to remember the outliers, not the usual results. I try to combat this by digging a few signals that I've pegged as aluminum garbage every time that I'm in a trashy park after calling them out as aluminum garbage, but that reinforces my views on aluminum if anything; I don't remember the last time that a crap aluminum signal resulted in something other than crap aluminum. But again, those were only what I dug up. I may have walked past the find of a lifetime. I'll never know.

 

[signal_line]

Yes, I've used the blanket notch for aluminum and didn't feel comfortable with it. I've tried narrow notch for different size pull tabs and wasn't comfortable either. But I'm going back in with renewed enthusiasm. The Deus can run a narrow notch, just one number if you want. Not going to eliminate them all, but whatever you get is better than digging everything--by a long shot. Been reading Clive's books, I have a bunch of them. He has some good info but you have to accept what he says as Gospel. In the past I rejected or forgot much of it with the attitude "I know better." Wrong! At least I know what I am supposed to be doing now. Damn the naysayers.

 

[signal_line]

Clive's book on the DFX.