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  1. #1
    us
    Jun 2005
    Clay, Alabama
    Whites XLT-e
    16
    All Types Of Treasure Hunting

    Explorer "Noise cancel" question

    Just got an Explorer SE and working on the learning curve. I've read the Noise Cancel is used to choose a frequency that has the least noise/interference. This can't mean that all the other frequencies aren't used, can it? Then what is this chosen frequency used for?

    More logically to my mind the Noise Cancel would be to only eliminate those frequencies that have too much interference.

    What's the answer?
    Thanks.

  2. #2

    Feb 2007
    64
    3 times

    Re: Explorer "Noise cancel" question

    Eddie, the only time I ever use noise cancel is if there is interference with the detector at the site I am hunting. It is my understanding that when you noise cancel, the software picks the best frequencies to use for the area you are hunting. If the detector is stable when I turn it on and start hunting, I will not use the noise cancel function. Does it lose depth when it is noise cancelled? I could not answer that. My advice, don't use it if you don't have to. Some Explorer users I know noise cancel every time they start hunting, but that is not my practice. R.L.

  3. #3
    us
    Jun 2005
    Clay, Alabama
    Whites XLT-e
    16
    All Types Of Treasure Hunting

    Re: Explorer "Noise cancel" question

    I have also read that you should noise cancel everytime you turn on the detector. The reason was that the Explorer remembers the last time you did a noise cancel and will use the same settings unless you redo it. So the noise cancellation at one site may be completely different at another, resulting in your detector ignoring frequencies where there may be no noise problem. And that frequencies where there actually is noise is not corrected for.


  4. #4

    Re: Explorer "Noise cancel" question

    I'm usually in a farm field and performance has always seemed the same, and when there's interference you know it. I very much doubt it's affected enough to matter if you can't tell there's a problem. People who hunt city parks might be more likely to hit it at the start of a hunt, but that really won't matter because things are always changing. Basically just push it when you need it... simple!


    PS.... I actually do use it a lot because of the cross talk with my diggin bud who also uses an explorer. But if it wasn't for that it would only be power lines and the odd electric fence or radio tower.

  5. #5
    p2c
    p2c is offline

    Apr 2009
    Matteson, IL
    Minelab Etrac and Grey Ghost NDT; Garrett Pointer Pro
    1,356
    4 times

    Re: Explorer "Noise cancel" question

    To answer your original question: anytime you use your explorer, it will be using 28 different frequencies. There are 11 different sets of 28 frequencies. A noise cancel chooses which of the 11 different sets receives the least interference. I will word the question differently: is there any reason not to noise cancel at the beginning of your hunt? Other than it taking 30 seconds, I think the answer is no. So, I take the 30 seconds to noise cancel. It may or may not help, but it wont hurt.

  6. #6

    Re: Explorer "Noise cancel" question

    Quote Originally Posted by p2c
    To answer your original question: anytime you use your explorer, it will be using 28 different frequencies. There are 11 different sets of 28 frequencies. A noise cancel chooses which of the 11 different sets receives the least interference. I will word the question differently: is there any reason not to noise cancel at the beginning of your hunt? Other than it taking 30 seconds, I think the answer is no. So, I take the 30 seconds to noise cancel. It may or may not help, but it wont hurt.

    No reason, but honestly I'd pick the extra 30 seconds if my explorer was good when I turned it on. There's always two of us so there's never a choice in the matter.

  7. #7
    us
    Jan 2010
    16
    1 times

    Re: Explorer "Noise cancel" question

    My experience with the Minelab is that if you do not noise cancel when you hit a old silver piece very deep, it can mask the silver by other interferences which may cause you to pass by a great find. These signals can be run together so badly that it is almost impossible to distinguish iron particles from weak silver signals. Now we are into iron mask so I will stay away from that in this part of my opinion. You are right in the time it takes to noise cancel. It must beep 11 times before you can start hunting. You get a lot of falsing without noise cancelling especially in trashy ares. I have not tried in open farm fields but will let you know. Eddie B.

  8. #8

    Re: Explorer "Noise cancel" question

    Quote Originally Posted by Ky Ed
    My experience with the Minelab is that if you do not noise cancel when you hit a old silver piece very deep, it can mask the silver by other interferences which may cause you to pass by a great find. These signals can be run together so badly that it is almost impossible to distinguish iron particles from weak silver signals. Now we are into iron mask so I will stay away from that in this part of my opinion. You are right in the time it takes to noise cancel. It must beep 11 times before you can start hunting. You get a lot of falsing without noise cancelling especially in trashy ares. I have not tried in open farm fields but will let you know. Eddie B.
    So how did you become aware you could miss deep silver by not using the noise cancel?

  9. #9
    us
    Jun 2005
    Clay, Alabama
    Whites XLT-e
    16
    All Types Of Treasure Hunting

    Re: Explorer "Noise cancel" question

    Quote Originally Posted by p2c
    To answer your original question: anytime you use your explorer, it will be using 28 different frequencies. There are 11 different sets of 28 frequencies. A noise cancel chooses which of the 11 different sets receives the least interference. I will word the question differently: is there any reason not to noise cancel at the beginning of your hunt? Other than it taking 30 seconds, I think the answer is no. So, I take the 30 seconds to noise cancel. It may or may not help, but it wont hurt.
    Thanks p2c. I think that makes the most sense. Each channel is a full set of 28 frequencies. I was thinking the "channels" and the "frequencies" were the same thing.

    Now I see, says the blind man!

  10. #10
    us
    Jan 2010
    16
    1 times

    Re: Explorer "Noise cancel" question

    To Mr Iron Patch. I have two friends that have Minelabs. One is the Explorer 11 and the other has the Minlelab S E We are constantly comparing deep silver to see if all can find or hear the deep silver I have located. When one of us cannot hear the target the machines are compared to settings and adjustments are made until all machines will pickup the target. This has become a regiment with my hunting partners to make sure we all have an opportunity to find those deep targets. I was taught by one of the most experienced Minelab users. Ron in California now. He taught me how to set up my machine and let me listen to targets that were silver and made sure my machine would hear them too. I normally passed up those broken sounds not understanding the value of them. Not any more. That's how I knew I was passing over those deep targets. He was so experienced he could tell me what the target was and about how deep and if it was on the edge or flat in the hole before digging. I was impressed with his patience in teaching the machine to me. Now if only I could mimic my mentor. Thanks for listening. I used silver as the example but other targets are also included. Eddie B.

  11. #11

    Re: Explorer "Noise cancel" question

    Quote Originally Posted by Ky Ed
    To Mr Iron Patch. I have two friends that have Minelabs. One is the Explorer 11 and the other has the Minlelab S E We are constantly comparing deep silver to see if all can find or hear the deep silver I have located. When one of us cannot hear the target the machines are compared to settings and adjustments are made until all machines will pickup the target. This has become a regiment with my hunting partners to make sure we all have an opportunity to find those deep targets. I was taught by one of the most experienced Minelab users. Ron in California now. He taught me how to set up my machine and let me listen to targets that were silver and made sure my machine would hear them too. I normally passed up those broken sounds not understanding the value of them. Not any more. That's how I knew I was passing over those deep targets. He was so experienced he could tell me what the target was and about how deep and if it was on the edge or flat in the hole before digging. I was impressed with his patience in teaching the machine to me. Now if only I could mimic my mentor. Thanks for listening. I used silver as the example but other targets are also included. Eddie B.

    You said you make adjustments so I'm assuming noise cancel is just one of the things you try. Because you have different detectors, different settings, different levels of experience, and simply just because you are different, there is always going to be some signals that sound better to one guy than the other. If all units are operating without interference I could possibly see noise cancel making a very slight for a heavily masked small target, but a silver coin under normal conditions.... not a chance. It sounds like you don't have a whole lot of time on explorers? You're definitely doing the right thing by hunting with someone who has experience, but that only takes you so far and you will contine to learn little things for quite a long time. I thought I knew the detector well after a year or so but did I get taught a lesson on a 10 day hunt by someone who had much more experience. I'm glad it happened because that was the wake up call what i was doing could get much better... and it did.

  12. #12
    us
    Jun 2005
    Clay, Alabama
    Whites XLT-e
    16
    All Types Of Treasure Hunting

    Re: Explorer "Noise cancel" question

    If your "normal" situation doesn't include any electrical interference, then I also would assume that in your "normal" situation noise cancelling wouldn't make a difference. But a lot of folks do detect in areas with potential interference, where this feature could help reduce the confusion in target detection and identification. I admit to being so new to the Explorer that I may not be able to tell if the noise I'm hearing is from electrical interference or just noisy soil. So for now I just run noise cancel to make sure it's not electrical in nature.

    Ky Ed, I do appreciate your response to my question. I did not get the impression that you were all that "new" to the explorer, or that that matters since you were able to help me understand this machine better. I appreciate your willingness to share your detecting time with others to help improve everyone's skill and enjoyment. Keep up the good work in supporting the hobby.

    Today I was able to get out with another fairly new Explorer user and we did compare targets and machine settings, etc. I dug more trash than coins as I was trying to learn how the explorer responds to different targets. I was lucky enough to a little chirp of silver in between noisy ground and trash and retrieved my first standing liberty quarter at about 6". It's a great hobby. Let's keep it positive.
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  13. #13
    p2c
    p2c is offline

    Apr 2009
    Matteson, IL
    Minelab Etrac and Grey Ghost NDT; Garrett Pointer Pro
    1,356
    4 times

    Re: Explorer "Noise cancel" question

    That's a nice find there. Congrats on getting that silver signal today!
    -Jon

  14. #14

    Re: Explorer "Noise cancel" question

    Quote Originally Posted by eddiebhome
    If your "normal" situation doesn't include any electrical interference, then I also would assume that in your "normal" situation noise cancelling wouldn't make a difference. But a lot of folks do detect in areas with potential interference, where this feature could help reduce the confusion in target detection and identification. I admit to being so new to the Explorer that I may not be able to tell if the noise I'm hearing is from electrical interference or just noisy soil. So for now I just run noise cancel to make sure it's not electrical in nature.

    Ky Ed, I do appreciate your response to my question. I did not get the impression that you were all that "new" to the explorer, or that that matters since you were able to help me understand this machine better. I appreciate your willingness to share your detecting time with others to help improve everyone's skill and enjoyment. Keep up the good work in supporting the hobby.

    Today I was able to get out with another fairly new Explorer user and we did compare targets and machine settings, etc. I dug more trash than coins as I was trying to learn how the explorer responds to different targets. I was lucky enough to a little chirp of silver in between noisy ground and trash and retrieved my first standing liberty quarter at about 6". It's a great hobby. Let's keep it positive.


    You'll know interference when you get it.

    There's far more things that will make you miss targets than the noise cancel, and I'm not arguing not to do it, I'm just disagreeing with a post.

  15. #15
    us
    Jan 2010
    16
    1 times

    Re: Explorer "Noise cancel" question

    My experience with detecting goes back to the late 70's. I have had several years with the Minelab Sovereign Elite, Quattro MPV, and the Explorer. Different settings were compared with many trips with a a friend with the SE and the explorer 11. I don't know everything it is for sure but do learn each time I go out. I am amazed as to the type of interferences from the security systems to electrical power transformers and large transmission lines across our nations plus airplanes and more. I notice some ground in our city goes from moderate mineralization to high. Noise cancel does more than I have a feel for. I have spent hours on the phone with the Minelab techs on the experience with the machines and also "Doc" has given a lot of insight as well. Research research research will prevail on the usage of the noise cancel. I learn from "all concerned" in the minelab detector all of the time. Sharing this post will teach me from your field experience also. This is an awesome machine with tricks to learn for year to come. Even Minelab has admitted they find things it will do that is not included in the book. So have I. I promise if you use your noise cancel more you will find more deep targets than ever before. If you like, email me and I will give you some tips that were taught me from the best hunters around. Ron from Ca. is on the Treasure Depot forum and is one of the best I have ever seen and I seem to be a novice when hunting with him. His silver count is over a hundred pieces a hunting year. He doesn't get to hunt much because he travels so much . Now that you have been patient with my post; use your machine as you are comfortable. I just wanted you to get top performance and not let it become a closet machine. Enjoy this great hobby. Eddie B.

 

 
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