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Tom,
The results are a paradox. The HIGHER the gain..... the better the see-thru. Yes, there may be a few remote/isolated scenarios where this is not true...... however, the bulk of the handicapped targets will report better with a higher gain setting. This is for the F70, F75, T2 and some of the other F-series units ..... but MUST be equipped with a elliptical DD coil. I think that I have
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Deeper depths of targets...... orientation of target....... minerals, co-location of primary target with other masking/partial masking/silent masking targets all play a role in so far as to how any metal detector will respond/ID a given target. All units have a difficult time ID'ing deeper targets. Most units will start to ID deep targets closer to the iron ID range.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
The electromagnetic footprint of the coil is exactly the same...... no matter what mode the detector is in....... the moment the unit is turned on. Increasing Sensitivity or lowering Disc only concerns how the electronics handles/processes what the coil 'sees'.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Yes, the orientation of these fuses..... especially if the iron component is closest/upward facing, they will be more readily ID'able as iron.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Make CERTAIN that you use a powerful magnet. Use the detector (in pin-point mode) and find EVERY excavated nail/iron target...... then remove it with the magnet. It's quite a challenge!
I made yet ANOTHER discovery whilst excavating another pit yesterday..... but need to validate before posting (or updating article again).
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Do these 'copper' fuses stick to a magnet?
Do they lock on to a solid VDI in an air-test?
Experiment by.... trying different Disc settings, , , then Sens settings.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Sounds like severe masking. In your unique situation, you are going to have to experiment with your detector..... to find out what/how your specific site requires. Maybe a Disc '5' setting.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Re: DVD - 15 years ago
This has been posted in many previous threads. It was my proto CZ-3D.
Grnd Bal = 10
Sens = 4.8
Volume = 2
Disc = 0 (all 4 tones)
Mode = 'Enhanced'
The DVD is not about any specific detector; rather, it's about "HOW" to hunt.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Yes, and I posted this info (twice) in previous threads.
In short, it's approx 1.5" less depth vs. the stock 11" x &" elliptical DD coil. It'll ID steel bottle caps better. Does not separate adjacent targets as well as the larger 11" x 7" coil.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Coil is impedance mismatched/out-of-tune. Try something. Take about 50 newer nickels (not dug) and see how the detector ID's them with the 5" coil.
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Wow. What a nightmare situation. If you must use All-Metal mode; yes, , , use the 'Motion' mode as this allows you to ascertain a better target 'profile' (signature-to-hull emitter coorelation). You will audibly 'size' the targets better.
As far as your sweep speed, it'll be quite self-intuitive..... you need not worry about this. Your conditions will dictate h
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Very, very good! I like your test-garden. And your resultant is congruent with expectations. This is what will cause you to have dramatically better performance & success in the real world (complex test-garden targets). You will have higher efficiency (effective use of limited time).... and pridefully return home with higher volumes & better finds. Remember; life is short. It's not
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum
Guys, , , , I will try to write an article on this priceless experiment. There's MUCH more than meets-the-eye. I'm known for doing crazy things like digging pits to acquire datum. And Glenn is known for priceless camera capture. Lest this labor-intense, painful multi-faceted tuition... be taken in vein. I'm not sure when I'll have the time to write an article; I'd rather
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NASA-Tom
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Thomas Dankowski Metal Detecting Forum