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Sensitivity Control On CZ3D

C

Clad2Hunt

Member
I have read and understand how it works but I cannt turn mine over 4 or it becomes unstable. It seems it doesnt affect the depth but the width of field on a coil if I understand Thomas correctly. Beeping and the needle is jumping between nickle and lrg coin. In my air test i can hit 10" w/sens up but its giving false signals. When set on 4 I might get 6" on dime in air test. The noise stops on 4 and starts on 5. Even does it when Im standing in yard and coil up over my head 9' in the air. GB should not affect it like this should it? GB is easy with this unit. Does anyone elses do this? Why can it not be turned up so I can hit the deeper coins?
 
Well, let's hope somebody jumps in here with some more input. I don't think I have ever had my CZ act like what you are describing. This sounds like EMI that we get sometimes with the F75 or F70. You might check your coil connections. Your question about deep coins and turning up the sensitivity is an interesting one. I have never had my CZ up over maybe 6 during a hunt. I have found very deep coins with my CZ3d. I think what you said in your post is mostly true. The sensitivity when turned up too high doesn't help your depth. Any detector does a better job when it is properly ground balanced and tuned. My advice is to get out and hunt. Make some notes of your depths when you have the CZ stable and ground balanced. You might also want to try it in some other places to see if the weird interference follows it around. Good luck and please let us know what you find out.

Don
HH
 
It sound's like you got one of those good ole First Texas CZ-3D's. I had one where you couldn't run the sensitivity past 6 with out falseing! In trashy area's this is fine,But in hunted out wooded site's with very little trash and deep coin's that doesn't cut it!
 
Well I got to try a few things today and I found that the higher I turn my discrimination up the higher I can go with the sens. At 6 on disc. and 10 on sens. I get an ocasional false but at 9 none. I read that at full disc.=6 it will ignore almost all small targets except silver, clad, zinc and copper coins. At 0 disc if I go over sens=4 it falses. Its recommended starting setting is disc=4 and sens=5 that I believe it can do but I will miss the iron-coin bounce I have read I want for over hunted areas. Still researching.
 
Thanks Cometguy Found my answer at NASA Tom's site. It appears Sens=4.8 gives max depth but not max width which is what you get at 10. www.dankowskidetectors.com
 
I run my older CZ3D at Sens 3-4, I never go over 4. It will still find them deep coins. If I turn mine up past 4, It just falses more. Set at 3 it runs real nice and go's deep. I don't think it go's any deeper with the sens turned up much more. This was talked about a few years ago and since then, I run mine real low and like I said, It works wonders. I would never sell my CZ3D.
 
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