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CZ21 sounds question

R

Reeseb

Member
Okay, I have a good numbers of hours logged now with my C21. I'm at about 40 hours (did my first battery change), found several silver rings and 4 gold rings so far and about 7 or 8 siver coins. I'm loving this this machine over my Excal II because of iron tone ID and depth. The Excal is now a SCUBA only machine for me, but I'll keep the long shaft in case my CZ21 ever breaks.

Here's my question about sounds: I'm noticing that semi-deep (about 6 inches or so) high tones that turn out to be coins are often surrounded by a low tone. Does anyone know what I mean? Coming from any angle, I'll get a little grunt before the high tone (this is when running in Disc 0).

Another thing I've been noticing is that you really have to dig those faint low tone signals because they can be just about anything. I've found everything from silver coins, to junk rings to iron when digging these. These types of signals are faily common in deep sand and are must dig.
 
I get this alot on DEEP coins or crusty coins they will most of the time 2 tone beep like high/low or high/mid sometimes just mid tone on crusty coins.... I dig bouncy signals most of the time anyway alot of the time it is junk jewlery in the 2 tone ranges...
 
Sweeping the coil slow? (Sounds like it). Maybe a little halo from a coin sitting there a while and leaching material that you detect before the full coin hit? It sounds normal. Also sounds like you are well along the learning curve on the CZ!

If you have any heavy black sand areas, compare how the CZ does vs. that Excal. (Hint about my bias ... I hate working at a crawl over the black streaks and still have to wait for a null on the sand to clear before continuing the hunt!)
Cheers,
tvr

Thanks for the reminder about the deep low tones that might be anything!
 
Yes, I've been sweeping pretty slow at this spot hoping to pick up the deepies. I'm liking the speed of the CZ21 over the Excal and of course the reduction in delay due to no discrimination on iron targets. Avoiding the discrimination circuit really helps with recovery delay.
 
Agree....most two tone signals turn out to be junk....but not always! :) I typically hunt in Autotune in quiet areas and switch to "0" disc to check the signal....works for me.
 
Thanks for the advice, guys. I'm pulling up a lot of silver. 2 Mercs, 1 Rosie, 2 Washingtons and 2 Walking halves so far and 4 silver Catholic pendant and one diamond ring. I think there is more. Some of it is probably too deep to hear.
 
Since I am near Canada, I find a lot of two tone targets are Canadian coins along with the lovely bottle tops. I did any high tone signal no matter if it bounces. When diving I have found numerous good signals next to iron. Sure I find the junk but I also find the good stuff. I keep my discrimination at 0 most all the time and rarely use 1. Never tried autotune yet. Its always on my belt and I just don't enjoy playing with knobs while diving.
 
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