Hi Guys, not new to detecting but new to the forum and Garrrett Machines. Bought a GTP1350 in Nov. and the few time I got out before the weather turned here in Ohio I really like it. Has enough features but not too many to be overwhelming. And a very simple user interface. Did great at the local park and school on clad and even found 5 rings, just cheapies though. My question is yesterday just to get out for a while I went into a plowed farm field and I was getting several one-way cointone signals in the 25c, 50c & $1 range. I would get a single tone then have a hard time getting it to repeat in any direction. I was running sensitivity at 7 and was in Zero Disc Mode. Not sure if it's large deep iron, minerals or deep coins. My ground was too frozen over to hack through and check the iffy signals yesterday. Once it thaws I plan on digging a bunch and sorting it out. Any tips or thoughts would be much appreciated. BTW, really enjoy reading all the posts here. Thanks Mike
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New Garrett 1350 User w/? About One-Way Signals
- Thread starter OhioMike
- Start date
TC-NM
Active member
OhioMike,
Many years ago, (25+) alot of experts in the field had put together a list of their results of what they dug up and the audio responses the detector gave them. This was the time of analog (meter w/needle) detectors and the introduction of the digital age. I have to agree (with the experts) that the most important aspect of detecting is listening to what your detector is telling you, then visual whether, it be analog or digital readout, and last, your decision to dig or no dig. Remember this, pulltabs sometimes overlap with the same readings as gold rings in general. Bottle caps for instance, come in at the quarter to half-dollar range. Yes, I've been stumped alot of times in thinking that I had a quarter but when I dug it up, it was a lowly bottlecap. If you feel that digging up all good targets is the answer, then do so, but if you want to only cherry-pick just coins, it seems that your sen. settings is at where it should be. Try just the coins/jewelry setting or just coins and not zero disc which is an all metal. It looks like you'll be planning on going back to this site this spring. Anyway, here is the list that I compiled over the years from different sources from the experts.
--Listening to the 1st and 2nd Sounds When Pinpointing--
Here are some general rules of thumb for the sounds your detector makes in Discriminate and All Metal (VCO Pinpointing mode). They largely apply to the MXT but should more or less also apply to many other detectors with Modulated Audio.
When you get a loud signal in discriminate mode and the pinpoint signal is loud.
It is usually a large target near the surface.
When you get a loud signal in discriminate mode and a much weaker signal when pinpointing.
It is usually a large target but deeper.
When you get a good signal in discriminate mode and an extremely weak signal when pinpointing.
It is usually a tiny target or a very deep coin size target (from 10 cent to $1.00). Also some Hot Rocks and coal-burnt items mimic this same sound (a little practice in this area helps).
When you get a good signal in discriminate mode and a clear pinpoint signal (average sound).
Then dig . . . This is usually a coin size item at average depth. This is what many of train our ears to.
When you get a weak signal in discriminate mode and also a weak signal in pinpoint.
This is the
Many years ago, (25+) alot of experts in the field had put together a list of their results of what they dug up and the audio responses the detector gave them. This was the time of analog (meter w/needle) detectors and the introduction of the digital age. I have to agree (with the experts) that the most important aspect of detecting is listening to what your detector is telling you, then visual whether, it be analog or digital readout, and last, your decision to dig or no dig. Remember this, pulltabs sometimes overlap with the same readings as gold rings in general. Bottle caps for instance, come in at the quarter to half-dollar range. Yes, I've been stumped alot of times in thinking that I had a quarter but when I dug it up, it was a lowly bottlecap. If you feel that digging up all good targets is the answer, then do so, but if you want to only cherry-pick just coins, it seems that your sen. settings is at where it should be. Try just the coins/jewelry setting or just coins and not zero disc which is an all metal. It looks like you'll be planning on going back to this site this spring. Anyway, here is the list that I compiled over the years from different sources from the experts.
--Listening to the 1st and 2nd Sounds When Pinpointing--
Here are some general rules of thumb for the sounds your detector makes in Discriminate and All Metal (VCO Pinpointing mode). They largely apply to the MXT but should more or less also apply to many other detectors with Modulated Audio.
When you get a loud signal in discriminate mode and the pinpoint signal is loud.
It is usually a large target near the surface.
When you get a loud signal in discriminate mode and a much weaker signal when pinpointing.
It is usually a large target but deeper.
When you get a good signal in discriminate mode and an extremely weak signal when pinpointing.
It is usually a tiny target or a very deep coin size target (from 10 cent to $1.00). Also some Hot Rocks and coal-burnt items mimic this same sound (a little practice in this area helps).
When you get a good signal in discriminate mode and a clear pinpoint signal (average sound).
Then dig . . . This is usually a coin size item at average depth. This is what many of train our ears to.
When you get a weak signal in discriminate mode and also a weak signal in pinpoint.
This is the
Mike - First off, you have chosen an awesome machine, congratulations! I too have the 1350 and I absolutly love it. On mine a single hit with multiple tries from differant directions almost always means trash. However, you were hunting in a field and I don't know the history of that field. Because Garrett amplifies the faint targets all sounds come in normal, meaning no wispers on the GTP. In a park, yard or school yard, I would pass up those one way hits, but, you were hunting in a farmers feild so it would be nothing to dig those iffy hits and just see for your self. Did you try to pinpoint and check depth? Your gonna have a lot of fun with that 1350. I would love to see your finds.
They are probably junk, but can be a coin. Dig them anyways, as it costs you nothing. Good luck! Hope you get a nice silver half. 
Thanks for the replies guys. Lot of good info for me to study over. The 1350 is definitely a keeper. I just need to learn it's language. I'm making the transition from an older analog beep-n-dig machine so digital is all new. The plowed field I was searching is on my parents farm and use to have a RR track run through it dating back to the late 1800's. My grandmother told me about an area where in the 30's the train would stop to let the passengers get off and stretch their legs. So who knows what they might of lost. Also aprox. 4 years ago in this same field I found two, what I think might be cannon balls. Their solid and slightly bigger than a baseball. Thanks again and my next outing of finds I'll post some pics. Mike
Uncle Willy
New member
Do the "twitch" on all those iffy signals.
Bill
Bill
Uncle Willy
New member
I just did for another guy but here goes again. Just center your coil over an iffy target and whip it rapidly from side to side about two inches each way and many of those iffy targets will turn into good ones. By nature motion detectors discriminate better and go deeper the faster the coil is swung over the target, I've recovered a lot of corroded dimes with the "twitch" that ordinarily gave a really rotten signal. The Minelab boys call it "wiggling."
Bill
Bill
