There killing me here. My local park has to have billions of them and over the years there deep. I did try to use the ideas and settings posted here but its driveing me crazy lol. Just wondering, is there a way to noch out BC all together without missing some better signals? Should i just give up on this park and find one that is not so trashy?
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Bottle caps
- Thread starter EZrider
- Start date
Brainwasher
New member
I was surprised with number of bottle caps also. I hit a small park near my house this morning. The park is about the size of two football fields and I had covered it pretty well in the past with my MXT. Today I took the F75 there thinking I might find a ring or something I missed before with the MXT. I was surprised when I got signals all over the place, many in the penny, dime and quarter range. Unfortunately after a couple of hours I had about 35 bottle caps, 7 pull tabs, one dime, one copper penny and two zinc pennies. I had pulled over $16.00 worth of change out of this little park in just four or five hunts with my MXT in the past, and I remember pulling only two or three bottle caps. This was first time I realized there could be so many bottle caps in that small area. To be honest, maybe one in five of those caps, I could have guessed it was going to be a bottle cap by looking at the meter, but most of them showed like a penny, dime, or quarter. I never had this problem with my MXT and to be honest, I'm disappointed about that. I was hoping the F75 was going to cut down on my trash digging, but it appears it has increased it. These caps weren't just recently thrown down either. They were all anywhere from one to four inches in the ground. I hate to say this since I just paid nearly a thousand dollars for my detector, but it looks like my MXT cleared out the good stuff and left the trash for me to find with my F75. I do have to admit, my arm isn't as sore as it normally is after the hunt. The light weight of the detector is great and to be fair, I never put the detector into the bottle cap reject mode during this trip. Next time I go, I will intentionally reject the bottle caps and see if that doesn't make the hunt a bit more pleasurable. As far as an answer to your question...well, I don't have one yet. Hopefully the bottle cap reject mode will solve this. Maybe give that a try.
Much better day for me. I went to a diffrent older park. Went with factory defaults DE mode, GB was around 70 and used Delta pitch, sens was at 60. I really like the DP when hunting. you can really tell the diffrence in targets. Now on to a new problem. In the woods this park has some very old trees. I was getting a solid signal at 12in deep. I only brought my hand trowel 
I dug about 6in and still getting good VIDs at 90+. Heres the kicker, when i started at the edge by the path i was getting modern clad on top of the ground. While moveing further back the coin was getting older and deeper. I may have to get a long handle scoop.
Brainwashr, stick with it and stay close to the defaults. I too was getting alot off capps but once you find a tone setting you like you can really tell the diffrence. Pinpointing with this kind of coil is whats been the biggest challange for me. Im getting good enough where i can outline a target to determine what it is. Only dig soild targets, targets that bounce around are more than likly capps untill you get the feel of it.
I dug about 6in and still getting good VIDs at 90+. Heres the kicker, when i started at the edge by the path i was getting modern clad on top of the ground. While moveing further back the coin was getting older and deeper. I may have to get a long handle scoop.Brainwashr, stick with it and stay close to the defaults. I too was getting alot off capps but once you find a tone setting you like you can really tell the diffrence. Pinpointing with this kind of coil is whats been the biggest challange for me. Im getting good enough where i can outline a target to determine what it is. Only dig soild targets, targets that bounce around are more than likly capps untill you get the feel of it.
Brainwasher
New member
Bill, to be honest, the hoard of bottle caps was probably mostly my fault. I had hunted this park pretty hard in the past and found a pretty good amount of change, but for some reason I thought there just had to be a ring out there somewhere. I know from experience that if you reject the pull tabs, you can say goodbye to the gold rings. I was worried that by rejecting the bottle caps, it might have the same affect and possibly lose some rings or a significant amount of depth. While I was hoping to find rings, I certainly wasn't going to pass up any coins along the way. That is where the problem was. I was getting bottle caps hitting right between 66 and 90. With some detectors when you hit trash like bottle caps, the numbers bounce all around and you can sort of guess it is trash, but my F75, was pegging solid numbers in the high 60s, 70's, and 80s and the sound coming through the headphones was clear and solid just like a coin would sound...but I have cheap headphones, so maybe that had something to do with not hearing the difference. A few of the bottle caps were pegging the FO3 meter which gave them away, but a vast majority did not, and not wanting to miss something good, I dug up everything. They sounded like good coin signals. The settings I was using was DE mode, sensitivty at 99, discrimination 15. I also switched to the all metal mode which improved the number of finds tremendously, but I still kept digging those pesky bottle caps. There appeared to be no interference in the area I was detecting. Next time I'll probably just reject the bottle caps and hope that has only a small affect on what I might find.
Certainly with a sensitivity of #99 it would have enhanced the response toward the caps. #30 or #40 may have been the place to be.
A few pointers on this subject.
Even though the ID numbers came up correct, it should have shown poorly on the confidence meter scale ???
The F75 likes a brisk sweep speed. Keeping this in mind, once you get a response to a target, and you decide to investigate, do not do little quick coil wiggles over the target to try to get a better ID. One needs to do quick wide sweeps about the width of ones shoulders over the target so it will ID properly. I
A few pointers on this subject.
Even though the ID numbers came up correct, it should have shown poorly on the confidence meter scale ???
The F75 likes a brisk sweep speed. Keeping this in mind, once you get a response to a target, and you decide to investigate, do not do little quick coil wiggles over the target to try to get a better ID. One needs to do quick wide sweeps about the width of ones shoulders over the target so it will ID properly. I
Brainwasher
New member
Thanks for the help Bill. I don't really remember what the confidence meter was showing. I guess I sort of got ruined on the confidence meter when I dug a wheat penny that was a good five inches down showing a low confidence reading. Perhaps it was on edge or something. It seems whenever I get the high confidence reading, it is almost certainly a high conductive target so that makes the decision to dig pretty easy. However, when I get the low confidence reading, I still know it might be something good, so I end up digging, unless it is showing a high FO3 reading. Anytime I get the high FO3 reading in the park and low confidence, I know to just keep moving. I think the sweep is where I mostly went wrong on this hunt. I will have to use your advice for sure on that one in the future. I was just giving it that short swing over the target to pinpoint it rather than the long sweep for identification first. The manual does say to use a wide brisk sweep. I deviated from what the manual said, and I was rewarded with a nice collection of bottle caps. That short sweep might explain the solid numbers too. I will try turning down the sensitivity a bit and keep playing around with the modes too. It looks like EZrider is recommending the DP mode to beat the caps so I'll try that and I'll still try the Bottle Cap reject next to some jewelry and coins to see what I get. I guess I was taken a little off guard because I never really had a problem with my other machines hitting bottle caps like that. I would end up digging a bottle cap every once in awhile, but they were usually the aluminum screw caps. If I can find a way to defeat the bottle caps with the F75 without losing the other goodies, then I'll be happy. Still working on it. Thanks again for the advice. jeff
Chris(SoCenWI)
Well-known member
Mr. Bill,
I got the small coil for the F-75 this winter, last week spent quite a bit of time experimenting with it and the stock coil vs. my other detector. My findings were that in general if you have a coin located next to a nail or other trash target it will seriously alter the ID of the coin, and long fast sweeps make the problem worse. Target ID improved greatly by making short sweeps over the target.
Both stock and small coil where able to see a coin directly under a nail as long as the long dimension(front to back) of the coil is parallel to the nail. However, the target ID for a dime was now at upper twenties- low thirties, not something I would dig. At any kind of angle signal quickly fades to iron. Works same way with my other detector; basically shows in dense iron trash lucky to find as much as we do. Tried spacing the coin away from the nail. Had to be a fairly large distance away before would get a accurate ID when the swing was coming from the nail side, again not a signal I would normally dig. If I just wiggled the coil over the coin, even when the nail was close, had much better ID. I was surprised that the non DD small coil behaved much the same.
I was in DE mode, DISC 0, sens stable, tried both 2F, and 3H, numbers where the same. Bottom line is that I don't think faster processor speed makes much of a difference.
On the bottle cap issue. I've tried all the advice posted. Watched confidence and FEO3 meter. They can help, but are not 100%, or even 75%. For shallower caps where you get a great signal and ID number but confidence is low, ok. But deeper ones, no. And if you are hunting in heavy iron the FEO3 meter can be high even on a coin.
I would love to see some other people run the same experiments and see what they get for results.
Chris
I got the small coil for the F-75 this winter, last week spent quite a bit of time experimenting with it and the stock coil vs. my other detector. My findings were that in general if you have a coin located next to a nail or other trash target it will seriously alter the ID of the coin, and long fast sweeps make the problem worse. Target ID improved greatly by making short sweeps over the target.
Both stock and small coil where able to see a coin directly under a nail as long as the long dimension(front to back) of the coil is parallel to the nail. However, the target ID for a dime was now at upper twenties- low thirties, not something I would dig. At any kind of angle signal quickly fades to iron. Works same way with my other detector; basically shows in dense iron trash lucky to find as much as we do. Tried spacing the coin away from the nail. Had to be a fairly large distance away before would get a accurate ID when the swing was coming from the nail side, again not a signal I would normally dig. If I just wiggled the coil over the coin, even when the nail was close, had much better ID. I was surprised that the non DD small coil behaved much the same.
I was in DE mode, DISC 0, sens stable, tried both 2F, and 3H, numbers where the same. Bottom line is that I don't think faster processor speed makes much of a difference.
On the bottle cap issue. I've tried all the advice posted. Watched confidence and FEO3 meter. They can help, but are not 100%, or even 75%. For shallower caps where you get a great signal and ID number but confidence is low, ok. But deeper ones, no. And if you are hunting in heavy iron the FEO3 meter can be high even on a coin.
I would love to see some other people run the same experiments and see what they get for results.
Chris
I was using the DE,PF,CP with Dp,2F,3,3H tones and still got the old bottle caps in at good tone and VDI 50-65
I did pull a 1973 penny so the caps are old from an old moto cross track close to a concession stand..the field is littered with them..
I tried the all metal audio +9 tresh -1 give the caps a mid zip..But its still hard to tell from a good coin or target..I had the small coil but did'nt change it over..I will next Hunt..I found no Nails learning the rusty nails give a deeper bark at the end or a hi-tone..
Ez-rider sounds like it could be Hi-tone falsing on old rusted Iron near tree or a metal stobb..
which will almost always give a 80-90 vdi on a lock and sound just like a coin with either coil DD or small..Just make sure you do a
good fast grab or manual GB ..and watch the feo if over Iron it will read hi..and the conf meter will go up quick,,
when I dig for relics..I dig every target..with the F75 you need to pack a lunch..this detector will pick up
every little speck..esp with Disc on 0-4 or in all metal..which gives a sweet Zip Zip sound on settings above..glad your getting the hang of the F75.Its a work horse..good luck..
I did pull a 1973 penny so the caps are old from an old moto cross track close to a concession stand..the field is littered with them..
I tried the all metal audio +9 tresh -1 give the caps a mid zip..But its still hard to tell from a good coin or target..I had the small coil but did'nt change it over..I will next Hunt..I found no Nails learning the rusty nails give a deeper bark at the end or a hi-tone..
Ez-rider sounds like it could be Hi-tone falsing on old rusted Iron near tree or a metal stobb..
which will almost always give a 80-90 vdi on a lock and sound just like a coin with either coil DD or small..Just make sure you do a
good fast grab or manual GB ..and watch the feo if over Iron it will read hi..and the conf meter will go up quick,,
when I dig for relics..I dig every target..with the F75 you need to pack a lunch..this detector will pick up
every little speck..esp with Disc on 0-4 or in all metal..which gives a sweet Zip Zip sound on settings above..glad your getting the hang of the F75.Its a work horse..good luck..