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Sov GT questions about numbers and meters?

grumpy

New member
On the sov Gt. When I first bought it it was on the money on a minelab meter for both silver coins and nickels. If it went over a coin and hit 180 it was usually a dime or quater, 99% of the time. When it hit 146 it was a good solid hit it was nearly always a nickel..
Now the thing has some age and we are hunting a little out of the learn set up. Using sens at about 10 oclock and not much else different to the original set up. The first thing I noticed is setting the meter to calibrate it if you go over in auto sens it is easy to set it holds and c hanges the numbers when you run over a quater it says like 179 you gently turn to 180 and your done. Now on the manual sens you get a 179 and man it moves all ovr the place you have to change it a bit and try it and you could spend all day. I turn back to auto to set it. Also I notice hunting on 146 is not a charm number any more sometimes it is a nickel but they usually hit around 148 or 149 now instead of 146 which are usually a pull tab.
Is there some reason for the big differences in operation between sens on auto and manual??????
One other thing pennies now hit the 180 number a lot instead of staying down in the 176 @ area where they used to. Good copper pennies used to be the only ones to get up around 178 or 9 but now the zinks do to a lot.
Is manual really better or what. I do notice a LOT ! of depth difference in the manual over the auto. but accuracy seems much better in auto.?
Thanks for any input.
Grumpy
 
More info; We tried a air test a few minutes ago and would like to add this. We know air test are a bit off the wall but they are rather close to reality on our Ex II and our SE but the SOV GT
We did gold coins, penny and clad quater and all seemed fine . 180 meter showed quater merc and all at apx 180 and then a morgan and peace dollar at the flat side 180 on edge it would barely pick it up at about an inch away and then it read 71 or 72???????
At a distance it would not pick up any of the coins over about four inches.????
Is it a problem or a coil problem????
Took the silver dollars out and laid them on the ground and the proped one up on the ground edge wise. Same as in the air test and distance was awful. I had in the past noticed since we bought this machine it would never pick up anything that the probe (sunray) would not pick up.??? I have an se that y ou have to dig a lot lots of the time to get to the range of the probe but not the GT?????
Going nuts here
Any help
Thanks
Grumpy
 
Take the probe out of line so you only have the coil and meter hooked to the box..... At max manual sens you should pick up the quarter flat at 10" or so with an air test.
 
Does the SR probe make a difference in depth or ID ?

Thanks,

J
 
From what I'm hearing.......the probe seems to be working right. THE PROBE ! But if the switch for the probe or the main coil is messed up, then the main coil will not be working right.
Eliminating the probe/switch and just checking with the coil and meter will tell you if the problem was with the probe hardware.
If the problem is still there, then you remove the meter and try again.
If the problem still exists, then the problem is probably the coil since the detector works (apparently) with the probe when using the probe.

Make sense?
.
 
Will pull the probe out of the line tomorrow and check thing again. Just found it very confusing that the numbers have changed on the coins that used to be so consistant.? Also found it confusing that since we got the machine we never found any coins that the probe would not pick up also. On our SE the probe does not reach nearly as deep as the smallest SE coil does. We usually have to dig a plug before we can reach the signal with the probe on the SE but never on the Sov GT. It is as if it just picks up shallow coins period.? My memory it has been that way since day one but why would the numbers change on what it shows on certain coins like the nickel?
Anyone ever have a coil that was bad and would not get the depth it should ???
Thanks
Grumpy

I should have done my homework and done this testing when we first got the machine instead of six months after starting to use it.:nopity:
 
Any chance you beach hunt(ocean) with it? Ive seen meters go bad after beach hunting without being covered up with a plastic bag or similiar. Salt air/moisture can get in and cause havoc. One meter I had would calibrate right on at 180 on a dime but then drift and sometimes it was accurate, sometimes a few numbers off.
I almost always hunt in manual so cant really comment on the auto sens. better depth for me in manual.

Neil
 
Hi Grumpy,

The S-1 probes on the Sovereign seem to be much deeper and more stable than those of the Explorers is why you may see the probe do as good as the coil, but the coil will still go deeper. With the Sovereign depth gets better when you go slow and some of my deeper coins I got have been when I was barely moving the coil and just heard the change in threshold saying the Sovereign seen something and by working the coil over that small area will give you a better signal. Now a copper penny, clad dimes and quarters and even the silver dimes and quarter should read 179-180 when going over them, the zinc pennies and the IH and even some of the first Wheaties will run 176-177 when the meter is calibrated for 180 on a new dime or quarter. Now what Art was saying with the noise cancel set on freq 2 the nickles will read as normal, but if you run freq the nickles will read 2 or 3 numbers higher that freq 2. The clad and silver will read about the same and most of the round pull tabs will read as nickles.
One more thing to check is make sure all connections are tight as one of the Sovereigns I had if the coil cable leading to the meter was just slightly loose and the meter was not very stable.I had to clean it good and put it back on tight and it worked just fine then.

Rick
 
n/t
 
The clad and silver will read about the same and most of the round pull tabs will read as nickles.

Does this mean that freq 1 will help seperate pulltabs from nickels.

I am glad I read this, I never knew there was a difference between the two frequencies regarding anything other than noise. Didn't know they affect the meter. You are always really helpful with anything Sovereign. Inspiring...

Julien
 
I have a feeling that your main coil has gone FUBAR but there is still a chance that the probe switch is bad.
I had a coil go to crap one time, and the best guess I could make is that the coil preamp lost gain control and was running wide open overloading the detector with noise and good signals alike. When you switch to auto the detector tries to adjust internal gain to get the signals to a proper level for processing. It can't adjust the coil preamp gain. This may be why it can ID better in auto.....it's getting the signal levels back down to a more reasonable level.
We need to eliminate every possible source of the problem to determine where the fault is.
You should be able to find things with your main coil that are WAY deeper than the probe can pick them up.

HH
 
OK got er done; We eliminated all the things that could cause an effect that we could find and the thing is still gooffy. We are shipping the coil and brain back to have the guru's take a look and fix it or whatever. Hope that they still have at least one guru since the new owners seem to be getting rid of everyone that has been there long enough to know what their doing ? :stretcher: The probe on the machine would work most of the time but would goof up once in a while but dont think its the probe. The main coil would not work right no matter which route you ran it to the brain and so there is a problem.
Threw them all in a box let the factory sort through the bodies. I m back on the SE for a while no big deal.:goodnight:
Thanks
Grumpy
 
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