Most detectors do it’s called audio response on the deus. Set it up where the shallow coins sound loud and the deeper coins are just a whisper. Most of your newer detectors have that feature
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.... shouldn't we have a feature that ignores loud shallow targets?
Deus and minelab fbs machines have that feature but not sure if any other machines do .. It's probably the best part of XP Deus and fbs that I like,all machines should have it tho.
I'm after the deep old coins.
I could be totally wrong, especially when it comes to low signal coins on edge, but shouldn't we have a feature that ignores loud shallow targets?
You guys are talking about the opposite of an amplifier. Ie.: To "boost" the weak signals, versus just "letting them be weak".
There's a fine line to be walked here. Because, sure, we all want to hear deep signals "loud and clear". And the software can be made to "ring the bells of Notre Dame" on any signal (whether shallow or deep). But then the problem becomes, that you can no longer tell shallow vs deep.
Fisher had this on some of their machines, and it was very annoying. As if there was no differentiation on shallow vs deep coins.
Conversely, if a deep whisper is TOO faint, you might miss not hearing it.
The control on the Explorer II that deals with this, is the "gain". If you max it out at "10", then everything begins to sound the same (2" deep clad, versus 8" deep silver dime). That's nerve-wracking if you intend to pass clad.
And even locations where I'm in "relic mindset", I still like the happy compromise, so that I have immediate mental image of if I'm about to start a shallow hole vs a deep hole. As long as you're not set too low on the gain, a good ear will still hear everything you would have heard, with the gain maxed out.
How deep are you wanting to go to ignore targets? I have found old coins a lot less then 4" deep and zinc pennies at 8" deep so deeper coins don't always mean older.
For where I detect target separation is more important then depth.
That’s what the depth meter is for lol besides if it’s super shallow it will double beep
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Back in the 1980's Bounty Hunter Big Bud detectors had a feature called "surface blanking". When it was activated nothing from surface to two inches deep would sound off. It wasn't a very popular option and disappeared rather quickly.
Still got mine LOL. ...
I referred to that in my post #5 on this thread. Yes, it was fraught with problems.
I've only been in this hobby for a few years, however some of my best old coins have been surprisingly shallow. Both my seated half dimes were barely 3" deep. The first one I found was in a field where I had been digging copper and zinc pennies and I almost skipped digging it as it sounded like another shallow zinc penny. My last IHP was also very shallow.
So listen for those deep whispers, but pass the good shallow targets at your own risk as they can be good.