FALCON MD 20
Last Post 23 Mar 2017 07:21 PM by Terrance Cieszki. 13 Replies.
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GARY SCHWALLUser is Offline
Greenhorn
Greenhorn
Posts:19



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28 Apr 2015 09:37 PM
    Just got the falcon md 20 to find gold with any tips are fine tuning would be great had some old battery's in it and started acting eratic so I will be putting some new 9 volts in and I am going to do the o ring behind both knobs  you think they would put a better cable on it well give me all the good tricks thanks,
    WILLIAM SOUTHERNUser is Offline
    Sluicer
    Sluicer
    Posts:54



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    04 May 2015 04:29 PM
    Very sensitive to super tiny gold placer or hard rock and great for sampling. One can not process allot of material with one though and that can be a drawback. I used to clean overburden off bedrock and check the cracks with mine when I had one years ago.

    Good hunting, Bill
    GARY SCHWALLUser is Offline
    Greenhorn
    Greenhorn
    Posts:19



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    05 May 2015 10:08 PM
    Hey ,Thanks for the info. anyone who knows how to dial one these babby 's in to find the best gold would be helpful thanks.
    WILLIAM SOUTHERNUser is Offline
    Sluicer
    Sluicer
    Posts:54



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    07 May 2015 07:45 AM
    Here ya go Gary go to the following web address.... https://search.yahoo.com/yhs/search?p=how+to+set+Falcon+gold+probe&ei=UTF-8&hspart=mozilla&hsimp=yhs-002
    john McGrathUser is Offline
    Greenhorn
    Greenhorn
    Posts:20



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    24 Dec 2015 12:55 PM
    The directions are pretty simple. Do not move the slider past the red line or it will be really unstable. I run mine just a tad below the red line and it works great. Its a metal detector so set it up just like one you swing. Ie ground balance.
    Julia McCormackUser is Offline
    Greenhorn
    Greenhorn
    Posts:21



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    26 Dec 2015 06:34 PM
    Hi, I just came across this thread. I've had a Falcon MD 20 for 2 years now, and I hate it. It's been a real POS. It's been back to Wally twice for fixing, same problems (erratic false positives and often non-stop noise when I turn it on - utterly unusable). Both times, instead of sending me a new one, he just says my lemon is fixed - but then I go to use it and it works sort-of, maybe twice, and then it goes to non-stop noise. No matter what - non-stop noise. I've gotten no use out of this hunk of expensive junk at all. I hate to throw it away, thinking that maybe it could be fixed, but I am stymied. It's still under its 5-yr warranty, but Wally didn't answer my last e-mail about it having gone bad a third time, and I just stare at it and get angry.

    Needed to vent.
    RONALD PETERSONUser is Offline
    Dredger
    Dredger
    Posts:89



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    27 Dec 2015 12:54 PM

         Julia, your situation brings back an old memory, for you see I was metal detecting a place that was a hot spot for partying back in the prohibition days when a older gentleman came over and started a conversation. He told me he had a metal detector that he had sent back to the manufacturer 3 times and each time he was told there was nothing wrong with it. I asked him if he had the detector with him and he said yes, so I asked him if I could see it. His detector was a different brand than mine and I love to pit detectors against one another. My next question was, do you have the manual with you and he said yes. I asked him if I could read the manual overnight and meet him first thing in the morning at this spot and he agreed.

     

         The next morning I tuned up his detector and ran it over the area that I had ran my detector the day before. His machine was hitting silver dimes at 9 inches deep where my machine was only going down around 5 inches deep. There was nothing wrong with his detector, it was a tuning issue and when my detector was stolen I replaced it with the brand he was using.

     

         It sounds like the sensitivity control is being set to high and or you are getting a negative response ( sound ) from a mineral like black sands which is normal. Reread your manual and experiment at home doing air tests with some targets.

     

         Also try going to a chapter meeting and see if there is someone that might be able to help you with tuning your Falcon. Best of luck     Ron

    Julia McCormackUser is Offline
    Greenhorn
    Greenhorn
    Posts:21



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    27 Dec 2015 04:03 PM
    Hi, Ron,
    I appreciate your help (and love your story), and I wish it was that simple. I did take it to a meeting - one of my buddies who's had one for years and loves his took a look at it, and pronounced it inop. He said there's something wrong with it - so at least I know it's not just me. There's no sensitivity to test - when you turn the sensitivity knob on, the sound starts blaring. No matter what you do with the other knob, or the ring, or the sensitivity knob, it just screams. It's got brand new batteries, it's all clean, the connection between the cable and the unit is good and tight and clean, and the wand is just hanging in the air, away from everything when I turn it on. I have the manual - there's nothing left to test. It just doesn't do anything but scream.

    I think there's something wrong electronically, but all that electronic stuff inside is a mystery to me. I do believe I got a lemon, and it really irks me that Wally won't just replace the thing with a new one that actually works. He said both times I sent it back that it tested fine on his workbench, and I honestly don't know what happens to it when it gets here, but it's always been unreliable (and now, again, it's a dead brick). And clearly he's not interested in resolving the issue. Too much money to have wasted on something that was supposed to be a terrific tool - it really makes me angry.
    john McGrathUser is Offline
    Greenhorn
    Greenhorn
    Posts:20



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    23 Mar 2016 07:11 AM
    Fantastic detector that I have used for a number of years at my hard rock claims. It has really been a time saver also. Never had an issue with mine and always keep fresh batteries in it is the key.
    Julia McCormackUser is Offline
    Greenhorn
    Greenhorn
    Posts:21



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    23 Mar 2016 07:56 AM
    I talked to Wally again, and this time he told me how to calibrate it (would have been useful to know this a long time ago). It involves taking the cover off and using a tiny screwdriver to turn a tiny screw on the circuit board until it stops sounding. Now it works again. I hope I don't have to do this in the field - I don't want to be playing with tiny screws and tiny screwdrivers out in the dirt - but at least I know how to make it work again. Still not my go-to detector (I trust my new Gold Bug 2 a lot more) but it works. I have yet to find gold in the bedrock - probably because there's no gold in the bedrock (at least where I've looked) - but that's not the Falcon's fault.
    Tony AgricolaUser is Offline
    Greenhorn
    Greenhorn
    Posts:14



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    11 May 2016 01:58 PM

    Wally Talked me through the re-calibrating, this detector is very sensitive to everything.. many hot rocks out here, the sound of hot rocks etc is pretty distinct, I only use mine to test quartz samples and cracks in bed rock.. I set my ground balance to what my gold bug tells me (each notch on the dial is equal to 10) don't know if this is correct or not, but it seems to function much better than when I first got it.

    One more thing. I take exception to the testimonial on the ad that say's "I found 8 oz in one hour" either he forgot where he buried his gold coins, or I'm calling BS 

    john McGrathUser is Offline
    Greenhorn
    Greenhorn
    Posts:20



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    11 May 2016 08:57 PM
    Just have to remember a beep going to it is positive for Gold, Pull away beep is black sands magnitite etc.... and nothing but looks like Gold is Iron Pyrite etc.. Although I prefer to sample and look under my microscope as it makes me learn what minerals look like and using the detector is great in a snap but its kinda a learning thing for me as I am into mineralogy.
    tom glennUser is Offline
    Highbanker
    Highbanker
    Posts:105



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    30 Nov 2016 11:19 AM

     if you put the wand on the rock and pull away and it beeps it is positive for gold, silver, platinum etc. If it beeps going toward the rock it is usually iron but not always. I have had irony rocks with micron gold in them. going across the rock is the same, beep moving forward iron, beep following gold or other. let it warm up good and don't let it get hot in the sun or be to close to other detectors or it will act erratic , anyway that's the way mine works.

    Thanks Tom Glenn

    Terrance CieszkiUser is Offline
    Greenhorn
    Greenhorn
    Posts:20



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    23 Mar 2017 07:21 PM
    Page seven of operating manual (mine): A positive response (signal going toward the target) indicates a metal such as gold, silver, copper, etc. A negative response (signal moving away from the target) indicates a mineral such as iron oxides, black sand, etc. TTC
    Come out from under your bed today, DO SOMETHING!
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