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SteveB

New member
You guys are the encyclopedia of CTX knowledge so thanks in advance.

Ok. I've got around 25 hours on my CTX so far. I've read the manual (several times), watched lots of videos and.....

Got a hot reading of 12-40 that also read 13-40 at a 90
 
What seperation mode and tone type are you running together Steve? (Ferrous-coin, high trash, etc.) The reason I ask is because different seperation modes can act differently depending on the different audio mode you are running with it. I find that iron will false with "good" sound and target ID's when running ferrous-coin in multi-tone. We all dig nails occasionally that sound and ID as coins, but usually they are bent around. This is my experience, that's why I run in high trash seperation mode using multi-tone.
 
As doc1964 suggests, Separation modes provide different information. I'd also be curious where the image was on the SmartScreen, not just the TID numbers. The multiple nails should have been located down in the lower right corner. One thing you mentioned that caught my eye was......
SteveB said:
The signal seemed to move to one side, so I widened the hole.



When the target "moves" for me, it turns out to be small bits of iron every time. Non-Ferrous targets will remain in the same place, regardless of the direction of your sweep. HH Randy
 
Oops!
Sorry, but I was in the stock Coin mode.

All of the nails but one (last one dug was bent in a half circle) were nice, straight, and square-sided. House I was hunting was built in 1917 (mine) and 2 '17 wheats are my oldest finds.

Another thing, my initial hole diameter was 5-6". Widened the hole to 10" at the end, and had dug down to about 10". Using the pinpoint over the center of the hole, I was still getting the 12-40 reading and my depth still indicated 6". I was using the stock coil.

Not too long ago at an old school yard, I had the 6" coil on the machine when I got a solid 12-44 hit from all directions. Depth showed 4" and I was pretty excited. I dug...and dug. At 10 ", I'd widened the hole enough to drop the coil to the bottom. Got the "OVERLOAD" display, at which point I just filled in the hole and walked on. I have no idea what is going on. I will admit that the machine may be smarter than me. :(
 
If you've not switched over, you might try Sizing Pinpoint. Whereas Normal Pinpoint reduces the "width" of the audio response with each successive sweep, Sizing Pinpoint maintains the same audio response, no matter how many times you pass the coil over the target. I've found that using Sizing Pinpoint allows me to separate targets better than Normal Pinpoint. And, it allows me to get a general idea of the size and shape of the target.

As to your getting the solid 12-44 and digging far deeper than you expected....then getting an overload at 10 inches...... detectors are programmed to give us depth based on coin sized targets. A large target at 12 inches might show up as a coin at 4 inches. But, by implementing the Sizing Pinpoint, you could have "traced" the deep target, recognizing that it was larger than a coin. With that in mind...... and recognizing that folks use to bury coins in fruit jars......do you remember where that jar of dimes are buried? HH Randy
 
Digger,

Gee thanks. Time to read the manual. Again.

Our local park ripped up the old asphalt basketball court last week so I immediately got out the CTX and went to work. I found a 1940 nickel and the second target was a 12-44. Dug down to the "OVERLOAD" message and found an old metal fence post. Oh well.

Speaking of coins in mason jars, we had an old neighbor who buried a lot of them, unbeknownst to neighbors (and family). When she died, the new owner was planting a garden when all of this broken glass and coins started coming up! By the time he was finished digging, there was over five grand in coins and old bills. This was before I was in to detecting, but he showed some of his finds to me before it all went to his bank account.

Steve
 
Yup what digger said! Sounds like a big o target down there
 
If you were hitting 12-40 13-40 and it was reading 4" but you dug 6 it's a big chunk of iron! A trick I use is to lift your coil during the sweep, if its big iron you will still pick the target up sometimes at 7 or 8 inches off the ground where as most coin size targets cut out about 2 or 3" depending on depth! Keep diggin you'll get it
 
I might add to Randy's great advise........... you can still use the manual ratchet mode to reduce the audio width in Sizing Pinpoint if you liked that feature in Normal Pinpoint. I prefer to manually reduce the target audio while pinpointing and can often pinpoint the target to within 1/2 inch that way.

"Click" the trigger one or more times while pinpointing and you can reduce the target response to just a pip if you want to. When you get the response as small as you want, hold the trigger and move 90 degrees to pinpoint again. If the target seems to move, I move on the the next target because it is always a rusted nail or wire.
 
Thanks guys!

You've given me plenty of food for thought in your excellent posts.

Guess I just need to keep reading the manual and get out and swing that thing more often (and trust both the machine's tone and display). :)

SteveB
 
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