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Identifying multiple targets simultaneously... Responses no longer allowed. If you have comments concerning multiple targets, please make a new post

TerraDigger said:
Digger...first off...thanks for the extra effort to answer my question.

The Omega will 100% separately identify targets when centerline of it's 5" coil is positioned as shown in your last set of 6" CTX pics. In that position I used the same sweep methods you did. However, as I said, if the coil centerline is direction is reversed, then the Omega doesn't correctly identify the separate coins.
This is not to beat a dead horse or try to put the CTX in a bad light. What I want to know is if the Trace technology is offering a far improved function of identifying co-located targets over what is already possible in other machines.
Can the CTX correctly separate & identify the two targets in both east-west/west-east & north-south/south-north coil sweep directions. The Omega can do it in one direction only. Does this also hold true for the CTX.
Click to expand...

Isn't that what he's showing in the 3rd and 4th photos in the first post??
 
What I interpret is scanning the targets in let's say a north-south direction, with the coil picking the targets seperately by adjusting the coil's heel/toe postioning in relation to each coin. Am I wrong Digger?
 
We'll refer to the the location of the coins as the numbers on a clock. If you have a coin in the 9:00 position and one in the 3:00 position, say 2 inches apart, you will receive an audio tone, Target Trace and TID on both. Left to right, right to left, it doesn't matter. It has excellent separation characteristics. If you have a coin at the 12:00 position and the 6:00 position, again, 2 inches apart, you will receive an audio response for the target with the greatest target signal strength. Typically it will be the coin closest to the center of the coil. Left to right, right to left, it doesn't matter. If one coin is exactly under the hot spot and the other is within the perimeter of the coil windings, again at the 6:00 and 12:00 positions, you will get tone and ID for the coin under the hot spot and the other target may provide a separate trace pattern. I say may because with a quarter lined up with a dime, with the quarter being closest to the hot spot, the quarter and dime have such similar placement on the Smartscreen, you could mistake it for one target. Remember, it isn't X-RAY vision. Just great technology. But it really doesn't matter at that point as you will either dig one and recheck the hole. Or you will X over the first target and the second will provide a separate trace pattern because now they are being swept from a different direction. Anyway, in detect mode, the Target Trace images will fade as the coil continues to be swept. First in, first out. By manuvering the coil over the targeted area in Target Trace Pinpoint, you will hold the target trace image for each target, regardless of their location "on the clock face". The images are held until you release the trigger. By using the audio tones in combination with the Smartscreen, you can isolate and identify each target separately. I might add....... being able to view multiple targets under the coil has done more to improve my "overlapping the coil swaths" than anything I've ever encountered. You just can't believe how much stuff passes under the coil. HH Randy
 
yes, it was. HH Randy
 
Thank you Digger. The Omega exhibits same behavior in it's audio aspect in the 12-6 clock position as the CTX. The VDI though overall tends to average the two targets with the occasional correct VDI of a particular coin when doing multiple sweeps depending on what target coil is hitting first in the 12-6 sweep.
 
Hi Digger,

With the test with the rusty nail lying accross the coin. How does it go if you put a matchbox sitting over the coin with the rusty nail on top of the matchbox with the nail over the coin. Does it give you the same reading as the nail over the coin? :poke:

Regards Below2doe Down Under In Oz.
 
Actually, I couldn't find a match box. But I found a small pasteboard box that is 4 inches square and 1/2 inch thick, and used it. Using the default Coin Program, I swept the nail under the coil and got a Target Trace image in the lower right corner of the Smartscreen, representing a highly ferrous target. Typical of where nails appear. There was no tone as it was a "rejected" target in this Search mode. I swept a US quarter under the coil and it provided a high audio tone with a TID of 12/46. So far..... so good! I placed the quarter under the box, with the nail on top of the box, directly over the position of the quarter. I scanned the coil over the targets and got a Target Trace image correctly representing both targets. I also got the proper assigned high tone audio and a TID of 12/46, representing the quarter. No tone for the nail as it was a rejected target. Anything else? :poke: HH Randy
 
Digger, replicated your test. My nail looks like the brother to yours. No joy. The Omega could not see the quarter via audio/VDI, whether at disc to just knock out the nail or full disc of accepting coins only. Now, when the nail was 2" above the quarter, and the coil was 4-5" above the nail, I would get a non-ferrous, but not a quarter, response.

Kudos to the CTX on this test for see-through capability.
 
Hi Digger,

So if thats the case an you are out in the field you have to dig down and get the nail swipe it over the coil and its rejected then you have to get under the match box and get the coin. No workie.


Regards Below2doe.
 
Digger said:
Actually, I couldn't find a match box. But I found a small pasteboard box that is 4 inches square and 1/2 inch thick, and used it. Using the default Coin Program, I swept the nail under the coil and got a Target Trace image in the lower right corner of the Smartscreen, representing a highly ferrous target. Typical of where nails appear. There was no tone as it was a "rejected" target in this Search mode. I swept a US quarter under the coil and it provided a high audio tone with a TID of 12/46. So far..... so good! I placed the quarter under the box, with the nail on top of the box, directly over the position of the quarter. I scanned the coil over the targets and got a Target Trace image correctly representing both targets. I also got the proper assigned high tone audio and a TID of 12/46, representing the quarter. No tone for the nail as it was a rejected target. Anything else? :poke: HH Randy
Click to expand...

Amazing! I have not heard of this before! :clapping:

Thanks for working on this. I look forward to some videos of this machine in action. If it truly can see under an iron nail like that Minelab has broken new ground.

Albert
 
After reading several of the question and answers Randy, I think there are some that are not going to get it... ever, lol.. thanks for your posts, explanations, and PATIENCE.. I appreciate it. and I can't wait to see this machine in my hands in action.. Keep posting cause the more you show the farther away the 28th is seeming to get!..

I do have 2 questions I have searched and can't find a reference to it.. You know how the E-Trac would null out quite a lot in a real trashy spot to where you would have to stop the coil to get the threshold to come back.. What part if any does the threshold play on the CTX3030?
The other question, in your opinion, how quickly were you able to adjust going from the E-Trac to the CTX? Is it user friendly enough, once the machine is turned on and in say a basic program, to go and immediately find good targets? Being an E-Trac user, how easy was the learning curve for you?


thanks in advance.... GH...
 
Gonehunting said:
After reading several of the question and answers Randy, I think there are some that are not going to get it... ever, lol..
Click to expand...
This. I also feel they don't want to get it....
 
With the information available at this time I think we couldn't have any better of an understanding of this feature. I thank Digger, and any others that have offered their time and insight to explain.
 
I make an honest effort to duplicate the situation you describe....... I post the process as well as the results......... And "No Workie" is the best comeback you have? Lame, very lame. HH Randy
 
Thanks for your efforts AND incredible patience Randy.-----We are all very fortunate to have you as moderator of this Forum.
 
It takes a lot of patience to do what you are doing with some of those that just don't get it, or don't want to get it as they don't want to like this detector and pick it apart.
The best thing for them is don't get the CTX 3030 and and problem solved.
Thanks again Randy for the time and patience you have shown on this new Minelab.

Rick
 
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