MXT Question, Coin/Jewelry Mode vs. Relic Mode for Older Coins
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Thread: MXT Question, Coin/Jewelry Mode vs. Relic Mode for Older Coins

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  1. #1

    Nov 2006
    Coulterville, California
    White's MXT
    119
    159 times

    MXT Question, Coin/Jewelry Mode vs. Relic Mode for Older Coins

    I've had my MXT a little over 6 months now. For the most part, I've always hunted in Coin/Jewelry mode with the settings at (or around) the factory presets. I feel pretty confident and comfortable with those settings, but lately I've been fiddling around in Relic mode and I have a few questions.

    My overall goal is to try and squeeze some older and deeper coins out of previously hunted and fairly trashy (man-made iron) areas. There are a few places (older lots and parks) where I've been teased with some older wheaties, and I know there's gotta' be some silver left there, somewhere.

    It seems as if in Coin/Jewelry mode, I've been having a difficult time separating out a good, repeatable, deep diggable signal, especially when there's more than one target close to each other, which is most often the case. I'm using the 4x6 DD Eclipse coil almost exclusively, and many times it's hard to determine if there's actually something worth digging in Coin/Jewelry mode if the MXT can't make up it's mind what's down there, what with all the trash, etc.

    Anyway, the last few times out, I've switched to using Relic mode. I really like the high-pitched "Beep" because, first off, it tells me that there's something down there that isn't iron. In fact, I've been running the MXT with the trigger-switch in the forward position to eliminate the iron "Grunt". This way, it seems that even if there is some iron near the target, the MXT still tells me there's a potential older coin there. Never mind if the VDI says it's a Button or a Buckle, or whatever, just by sweeping the coil in Relic mode with the trigger in the forward position, if I get a high-pitched "Beep", I feel it's worth a few more passes with the coil.

    Next, I look at the numbers. Since I'm going after older coins, especially silver, I'll dig everything from a +60 to +94. Most of the parks I go to have a lot of pull-tabs, so I probably won't dig anything between +24 to +42. From +42 to +60, I'll change position, make a few more sweeps and see. Sometimes the number will creep up into the +70 to +80 range in which case I'll definitely dig it. Sometimes, the numbers drop down into the below +42 range, and I'll leave it be. Numbers between 0 to +24 can be tricky. Usually foil, but of course I'll dig anything with a solid +16 to +22, but I usually get 2-3 pull-tabs for every nickel. I usually won't dig anything between +10 to +16 unless it's an easy, shallow dig (2"-4") and never anything less than +10.

    Before I dig anything though, of course I'll "pinpoint" it. It seems as if this is when I make that critical decision whether to dig the target, or not. Quite often, in Coin/Jewelry mode, it seemed difficult to accurately pinpoint a "good" target. The VDI would jump around from "penny-dime" to "iron" to "nickel/pull-tab", and I'd have to swing over and over the target until I got the VDI I wanted, and then pinpoint.

    In Relic mode, though, it seems much easier to establish the "good" VDI number and then pinpoint. I'm also getting more accurate (and deeper) location and depth readings than in Coin/Jewelry mode. Just recently, I went back to a few areas where I had hunted before and had found a few coins down to about 5 inches in Coin/Jewelry mode. When I reworked those areas in Relic mode, I found quite a few more coins that I had missed before, and all of them were deeper, down to around 7 inches (still just clad, though).

    Anyway, am I on the right track here?? I'm not so much interested in modern rings, jewelry, etc., but more interested in the older coins at a deeper depth. I've also tried locking the ground-balance at around 50 (my soils are usually around 50-62), and it seemed to stabilize the MXT even more. I'm finding that by just listening for the high-pitched "beep" in relic mode, I'm able to cover more ground, easily identify potential and deeper targets, and decide faster whether to dig or not.

    Any input would be greatly appreciated!

    Thanks,

    Rick

  2. #2

    Jan 2006
    Culpeper, Va
    Whites MXT
    76
    5 times

    Re: MXT Question, Coin/Jewelry Mode vs. Relic Mode for Older Coins

    Here are my 2 cents on the MXT... I relic hunt in the highly mineralized, very trashy hay and corn fields of central Va... full of old iron parts, horseshoes, foil, copper wire, shotgun shells, modern shells, and CW relics. I used to hunt mainly in Relic mode... it was easy... high beep I dig, low beep I ignore.

    However, last month I started hunting in Prospecting mode and my results increased significantly. I picked up several CW Eagle/Eagle I buttons, many bullets, many small brass objects, etc. What I also found was my first silver coin.. an 1845 Seated Liberty Dime. I also found 2 IH pennies.. 1863 and unknown. I also found an old flattened silver heart pendent no larger than a dime. Most items were down 4-6 inches.

    My point is this.. I find the audio tone in Prospecting mode easy to interpret and the "% Iron" display is a great indicator of what targets to dig. If the "% Iron" reading is 10-30%.. I dig. If the reading fluctuates.. I still dig cause there might be iron masking a good target. I was able to clearly identify all the items listed above as non-iron. The VDI number helps me guess what the target might be.

    This solution is not the best in areas full of non-iron trash since there is no discrimination for pull tabs, foil, etc. But in my case.. its worth digging if it is a non-Iron reading.. Also, switching to the M6 Eclipse Shooter DD (4x6) coil helped me find good targets in HIGHLY trashy areas and previously hunted areas. I found one of the IH pennies in between two filled holes that my buddy left from a previous hunt.

    Hope this helps you.. Look forward to hearing back with results.
    Dean

  3. #3
    us
    Jul 2006
    San Antonio Texas
    GTI 2500, ACE 250
    114
    1 times

    Re: MXT Question, Coin/Jewelry Mode vs. Relic Mode for Older Coins

    I just got my MXT last week and I think that I will have similiar questions and/or experiences.

    First off, I am starting with the defaults in Coin/Jewelry mode, and I find myself staring at the display because I don't seem to get strong beeps for a penny or a quarter even when the indicator is three blocks high. I am keeping the trigger switch in the center position and everything else at the defaults.

    I've only been out twice, but this seemed a little strange. My ACE 250 would always give a coin beep in the higher VDIs. I have not seen this with my MXT.

    Any thoughts? How are you liking yours after 6 months with it?

    Thanks.

  4. #4
    us
    May 2008
    lakelinden mi
    MXTdeepscan 8by14dd, bulls eye 2, 5900diprosl Maxima1500, Master Hunter cx plus Treasure Hound, surf
    3,141
    391 times
    All Types Of Treasure Hunting
    the ace two fiddy doesn't have a visual discretion indicator on it...
    I hate to discriminate but some times you have too!

  5. #5
    us
    May 2008
    lakelinden mi
    MXTdeepscan 8by14dd, bulls eye 2, 5900diprosl Maxima1500, Master Hunter cx plus Treasure Hound, surf
    3,141
    391 times
    All Types Of Treasure Hunting
    once the mxt is fooled it doesn't matter what mod your in the vdi won't change...fond that out me self thru trail and air...you mite get a iron grunt in prospect that mite give it away but the number won't change....
    love this forum...

    liftloop
    I hate to discriminate but some times you have too!

  6. #6
    us
    Oct 2012
    Wisc
    1,805
    864 times
    Metal Detecting
    Quote Originally Posted by liftloop View Post
    the ace two fiddy doesn't have a visual discretion indicator on it...
    Well, yes it does!

    Quote Originally Posted by liftloop View Post
    once the mxt is fooled it doesn't matter what mod your in the vdi won't change...
    The cool thing about the Garrett AT Pro is it doesn't get "fooled". Only the operator does! Too bad you can't say the same thing I guess!

    Why you digging up 7yo threads anyway?
    Remember...You are unique. Just like everyone else!

  7. #7
    us
    Aug 2009
    White's MXT all pro, MXT300 D2, 950, 4X6 DD, detech ultimate 13" DD coils
    2,338
    914 times
    All Types Of Treasure Hunting
    I run my MXT in relic mode trigger forward but the big thing for the real deep older coins is what coil you using?, The D2 coil is a depth monster on the MXT and separates better than the 950 coil or the super 12 being a DD coil which is better in trash. I try and run my MXT at +2 gain any higher and it gets a little to noisy to hear those real deep whisper targets and you might not always want to run that hot in high EMI area's. I can get dimes at 10"+ with the D2 coil and had some at 12" before, a good set of headphones makes a big difference on those really deep whisper targets over a cheap set. HH
    ss426 likes this.

  8. #8
    us
    Aug 2009
    White's MXT all pro, MXT300 D2, 950, 4X6 DD, detech ultimate 13" DD coils
    2,338
    914 times
    All Types Of Treasure Hunting
    Here's a few deep coins from a hunt a few days ago and all these were around the 10" mark, detected in relic mode trigger forward with the D2 coil. HH
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