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  1. #1
    us
    Jan 2008
    NorthWest Ohio
    Minelab E-Trac, Tesorso Vaquero, and compadre
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    Deep on...Deep off.......did testing in my coin garden

    ok I just did my test I told you I was going to do. My ground is pretty moist, not sloppy wet, but very moist. I used a modified coin program, auto +3 sensitivity. I did not swing over target again and again then write down a number. I swung left over target and recorded the numbers, then back right over the target and recorded the number. so it was left, right, left, right. I tested it over 3 different coins, all buried at a MEASURED 7.5 inches. Coins were all placed on large plastic plates 2.5 yrs ago to keep coins flat and also to keep them from sinking.

    I tested a clad quarter, a silver dime and a 1940's wheat. Here is what I got

    deep off, fast on:
    quarter 11-46, 11-46, 12-46, 10-47
    silver dime 13-44, 17-43, 14-46, 15-45
    wheat 09-44, 13-43, 10-43, 12-43

    deep on, fast off
    quarter 05-45, 10-46, 11-46, 09-46
    silver dime 06-49, 16-48, 11-45, 10-43
    wheat 12-45, 13-45, 10-43, 16-41

    both deep on AND fast on
    quarter 11-47, 05-46, 03-46, 11-47
    silver dime 04-45, 12-40, 01-42, 08-46
    wheat 13-44, 10-43, 11-44, 12-45

    now this is far from scientific testing...lol, but it looks to me like deep off and fast on produced the most stable readings. and having both fast on and deep on proced the worse readings, especially on the silver dime. I thought it was odd the wheat was reading so high, but have noticed when the ground is saturated, wheats register a bit higher.

    So there ya go, take it for what its worth, I will continue to use deep OFF and fast ON

  2. #2
    Charter Member
    us
    Apr 2010
    south central Kansas
    E-Trac,F75ltd,Explorer Se,G2
    49
    19 times

    Re: Deep on...Deep off.......did testing in my coin garden

    Great test,but did you happen to try both off?--HH

  3. #3
    us
    Jan 2008
    NorthWest Ohio
    Minelab E-Trac, Tesorso Vaquero, and compadre
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    Re: Deep on...Deep off.......did testing in my coin garden

    Quote Originally Posted by kurt-ks
    Great test,but did you happen to try both off?--HH
    oh crap..lol.........nope I did not think about turning both off. Well it is dark out now. I will do that another day!

  4. #4
    Charter Member
    us
    Apr 2010
    south central Kansas
    E-Trac,F75ltd,Explorer Se,G2
    49
    19 times

    Re: Deep on...Deep off.......did testing in my coin garden

    No problem,I have been using both off and like it much better.Haven't done any testing like you but seems to work pretty good.Let us know how it does --Kurt

  5. #5
    us
    Nov 2008
    Toll Free ~ 855~966~3563
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    Relic Hunting
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    Re: Deep on...Deep off.......did testing in my coin garden

    Hey, what ever works Terry. Myself, I don't pay much attention to the #'s....Okay, so I peek once in a while.

  6. #6

    Re: Deep on...Deep off.......did testing in my coin garden

    I don't the think the e-trac is any different from Explorer on Deep On/Off, my understanding of Deep On is that it only enchances the audio signal of a deeper target, should not have anything to do with ID With Deep Off, a deeper target will result in weaker signal.
    I have hunted with Deep On and Fast Off ever since I got my first Minelab in 2000. (Explorer XS and SE Pro)
    "The mantra has always been don't clean a (copper) coin or it will lose value.
    For undug coins this is true. For dug coins this is untrue.
    The value will increase with judicious cleaning."

  7. #7
    us
    Nov 2008
    Toll Free ~ 855~966~3563
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    Re: Deep on...Deep off.......did testing in my coin garden

    Quote Originally Posted by Don in SJ
    I don't the think the e-trac is any different from Explorer on Deep On/Off, my understanding of Deep On is that it only enchances the audio signal of a deeper target, should not have anything to do with ID With Deep Off, a deeper target will result in weaker signal.
    I have hunted with Deep On and Fast Off ever since I got my first Minelab in 2000. (Explorer XS and SE Pro)
    And I as well Don.

  8. #8
    gb
    Aug 2009
    SWEDEN
    (on the dry)Minelab ETRAC, backup x-terra 305.(in the wet ) Minelab Excalibur II
    2,946
    179 times

    Re: Deep on...Deep off.......did testing in my coin garden

    I don't do "technical..but have always been told/read that you NEVER have both "on". I'd guess that works for never having both "off" too? They're there for a reason after all.

  9. #9
    us
    Apr 2007
    Southern CA
    Minelab Explorer SE; X-1 Target Probe; Pro Coil, 6x8 SEF, Coiltek Platypus Elliptical, Sunray X8, Expl. 1050 coils
    2,774
    2 times

    Re: Deep on...Deep off.......did testing in my coin garden

    First and foremost, repeatability of consistent tone(s) is what I listen for from one target to another. At my turf sites (trashy, aluminum-filled turn of the century parks), I have always hunted in Conductive sounds, and prefer FAST and DEEP both off.

    By looking at your results, Terry, I still would have dug every one of those coins because their conductive readings were pretty much consistent (40's), and would give a consistent, fluty (two or three closely pitched tones) response. I have tried using the FAST and DEEP filters on my machine in the past. Yes, I found deep coins/relics utilizing either one of the filters. I have never hunted with both ON. The reason I stopped using FAST ON was that I started noticing that really deep targets were giving a very tiny "chirp" response, very similar to deep iron, with the FAST filter. FAST ON will clip the response of a deeper target, making it very difficult to interpret, at least for me it does. Your results of "FAST ON" really surprised me. Theoretically, FAST ON is supposed to produce less accurate(more varied) target ID readings because more processing power is diverted to target response rather than target display. I believe that is stated in ML's documentation. I'm certain 9" targets will be more erratic with FAST ON. 7.5 inch targets are still an "easy" depth for the E-Tracs/Explorers. Since I do hunt in trashy turf, you would think it would be to my advantage to hunt with FAST ON, but I have learned to just slow my coil down much more in these zones, and I can pick out many targets that I would have missed if I had swung my coil faster through the area. I also prefer the much fuller (more analog) sound on deeper targets with FAST OFF. Slow down to a snail's pace and you'll be amazed what you'll hear.

    As for DEEP ON, I have long switched this filter off also. I just couldn't get used to the noticeable delay in target response, especially in heavy trash areas with DEEP on. On my SE, the delay is just long enough to give me trouble in immediately hearing a deeper target as soon as I pass my coil over it. It's like I hear the signal long after my coil has passed over it, and with two or three co-located targets in the ground, it gets real cumbersome. I know I've read ML's documentation before regarding the DEEP ON filter, and I can understand why there is a slight delay. It's because more data is being analyzed by the machine's processor to produce more accurate target ID's, thus slightly degrading the machine's target response time from target to target. I have also tested DEEP ON and DEEP OFF on the same "deepie" target. If one is using a high amount of gain (8 or higher on the Explorers), there is no noticeable difference(at least I can't tell) in the target's increased volume/gain in your ear when using this filter on those whisper signals.

    I imagine that with the faster processor of the E-Trac, this delay may not even be noticeable. I haven't extensively tested this on the E.

    Appreciate your test.

    HH,
    CAPTN SE
    Dan

  10. #10
    Charter Member
    us
    1851 O Half Dime

    May 2007
    Southeast Missouri
    Minelab SE Professional with 6" Coil
    2,240
    10 times

    Re: Deep on...Deep off.......did testing in my coin garden

    Thanks to both of you for your information. Interesting.

  11. #11
    us
    Jan 2005
    Panhandle of Florida
    Etrac,Excal II,Cibola with a garret and a minelab pinpointer
    6,501
    532 times
    All Types Of Treasure Hunting
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    Re: Deep on...Deep off.......did testing in my coin garden

    I just got my Etrac and all information is helpful at this point in learning the machine.
    God and country.

 

 

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