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CZ5 and poor depth.

alpha_6

New member
I have been detecting for 20 odd years. I used to own a CZ5 when they came out. Since then I have used most including the T2 and F75. I sold detectors so I had the chance to use most and am a detector nut. I have been doing a lot of beaches so I got hold of a Cz5 to give it a go as I never tried beaches years ago. I was very impressed with its performance and totally destroyed my mate with his SE in salt water.

I decided to take the CZ5 to my favorite field which is mineralized GB 3.5 - 4 I went two ours and only a bit of lead. I was working in iron mode to knock out iron only. My sens was 4.5. To say I was concerned was an understatement So I decided to bury a coin an old UK penny at 8". You can imagine my horror when it never gave a signal??? I tried everything but nope nothing. I put it to 6" and it gave an iron tone! What have I went over I thought. If the same test was done with a T2 or F75 or most it would have hit hard. I had to search this ploughed field in auto tune and when I got a signal flick to iron and if it went quiteit was a deep target or if it went to iron I would clear some soil and it gave a good signal I would dig.

My question is would the 3D do better as it maybe because its an old detector. Anything over 6" Id'd as iron sound and meter. I want a good beach and field detector that is light not like the SE.
 
Alpha...were you hunting in autotune at the beach ? And were you using the salt switch on ? As for the field use, when you ground balanced, did you use the bobbing method or pushbutton ? And when you did, were you in autotune with the sens in 10 ?

If assuming GB was correct, did you increase the sens and if so, were you falsing at higher numbers ( like 6, 7 or 8 ? ).

I would think that even with the sens at 4.5, in discrim mode, the detector should bang on a target 8 inches. Problem is, like my Cz6a, there are times when it loves iron and I have to do what you do...dig some dirt and sweep again.

Today at the beach with my 6a and FZ12 coil, there were tons of zinc pennies all busted up and corroded. They ALL gave mid tone signals and I had to dig them all since that's the tone for gold. Man did that SUCK ! There were also lots of nails.. but when I hunt on the beach and in discrim mode, I use 0. I have found that if you dont ( and use 1 or 2 ) the deep iron will give a false mid or high tone ( it busts through) . When you keep it at 0, the true low iron tone comes through.

JC
 
Had a similar experience with my ol' CZ-5 when I buried a clad quarter at 8 inches and it did not ring at all in any mode or setting except all metal or iron. But I had found coins to 12 inches with it in the past that had id'd correctly. Dug and sifted the dirt and found a SMALL pin staple above it in the plug I had put over it. I have seen office staples and small diaper pins mask coins in the past.

What to do? I've found that using pinpoint can sometime give you an idea of whether or not it is a masked or single target, depending on the size and depth profile indicated by pinpoint. It seems the coin profile will over ride the mask in pinpoint, when they have the right difference in depth and size relationship.
 
Hi JC

I was on land a ploughed field and in Normal mode. I found that a lot of iron tones after removing a few inchs of soil where actually non ferrous targets! So really the Disc is telling me lies. I will never have confidence using it on compact land because if its an iron tone I will always think its a good target just a bit deep for the Disc but I am still testing it on different sites. On the beach its a winner. Is the CZ 3D any better than the 5 due to it being newer and TOM D in on it.??
 
Good question about the 3d. I have never used one nor do I know if they would be better, but from reading about them, aren't they geared for older sites with silver coins ? I guess they are the same frequency wise ( dual at 5 and 15) but not sure how the salt mode works on the 3d.

I am in agreement with Tinfoil that your machine may need a tune up. I would think it should ID iron correctly in the 5-7 inch range.

Were the tones only iron, or were they the iron/high coin bounce or some other tone other than iron ? Were the iron tones hitting when you sweeped in both directions and at 90 degrees ?

I know...lots of questions but I always like to help the other CZ folks and gain info for myself too because I do like the machines ( older CZ's) alot. Very versatile and deep but they do love iron and get fooled
 
Well this is disconcerting!
Sry, but I hope yours can be helped with a tune up!

Who knows? Maybe this is why a good old site is never really hunted out???

Sure is a lot I do NOT know!

hh
 
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