Help with CZ-3d please.

[Anonymous]

You hit maximum depth at around 4 1/2 or 5 on the Sens. dail. Any higher, and you "widen" out the field at the bottom of the field. This is helpful for clean, large areas where there are deep targets. However, Tom Dankowski has mentioned many times that in junky areas, you want to hunt at no more that 4 1/2 - 5 (on the analog machines, 4 on the digital CZ's), as this gives you maximum depth, but the field is extremely small at the bottom end. You have to move forward slowly, and greatly overlap your swings to effectively search for deep targets in junky areas.

I had always learned that you can, yes, GB a CZ at any Sens. setting. However, if you GB with the Sens at say, 4, and then go into a really clean area and bump it up to 7, your detector will then become unstable. It's better to GB the unit with a really high Sens, then turn it down to where the unit is stable, and you'll still have a properly-tuned detector.

HH from Allen in MI

 

[dmgadway]

Thanks for the info. One thing I noticed yesterday was that the GB location on the dial was greatly different using the salt mode versus the enhanced. I am going to assume my area is fairly mineralized as the GB neutral window on my dial is very small. Just touch the dial and it goes +/-. I also tried GB at sens 9 and turned it down to 4 and it worked well. I compared the depth with my 1270 and both machines did the same in my test garden, They would both hit on an eight inch dime, but would not hit the ten inch dime nor the 12 inch quarter no matter how high I turn up the sens. I have to conclude that the 3d is working fine and that the ground i'm working in is cutting back the depth ability of the detectors. Thanks to All.

 

[Anonymous]

Yes, you're exactly right. GB'ing in Salt will give you a different position on the knob versus GB'ing in Normal (Enhanced on your 3D) in the same exact spot. Also, you should notice that in Salt, when you GB, you get a bigger "window" or "zone" on the dial that gives you a sweet GB. Back when I was in OK, I could GB in Salt, and could move my dail from 4.5 to 5.5 and still have a sweet GB. Down in Florida, with absolutely no mineralization, the "zone" or "Window" is so big, that the entire range of the GB knob is "sweet".

I have rather mineralized soil up here in MI. Even in Salt mode, I have a tight "window" on the knob with I GB. I usually GB slightly negative, as this makes the positive targets sound off a little better.

Dry ground also decreases the depth to which you can detect. I usually can't get deeper than 4" in dry ground. HOWEVER, dry ground also makes the iron halos shrink. SO, if you have an area with known shallow older targets, and lots of iron, that you're not to worried about killing the grass, NOW is the time to hit it! Turn your Sens. down to 4 or 5, go slow, and pick the goodies out of the trash. I recovered two silver dimes and several weeks about this time last year in a high-traffic spot doing just that.

HH from Allen in MI