Be careful with new Garrett Pro Pointer and GPZ7000


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Hey gang,

I went out detecting a week ago on Tuesday with my GPZ7000. My GPZ was acting really funky, it was all over the place. I could not get it to give me a nice stable threshold and for the first time in 12 trips I got skunked. This, right after I had just scored like 8 nuggets the previous trip. I have been averaging 5 nuggets a trip, not too shabby for Gold Basin area.

So yesterday out I go again, same story. Started off and the GPZ7000 is acting whanky. I just could not figure out what was going on.

The only difference was that the last trip and this trip I was using the new Orange colored Garrett Pro-Pointer AT. I had it in my hip pocket and it was not on.

So I started to realize the the GPZ7000 was picking this probe up, and picking it up BIG TIME. I even clipped it to my "D" ring to get it farther away from the coil. No good! It was still making the detector unstable.

I did some testing, and the detector will pick this probe up LOUDLY, if you wave it 4 feet over the coil. I am short, there is no place I can carry this probe that will keep it from interfering with the GPZ7000.

Don't get me wrong, the probe is great, it's just not a great combo with the GPZ7000.

After being frustrated 1/2 of yesterday, I took the probe back to my ATV and threw it in the storage box and grabbed the Minelab probe. Within 20 minutes I had my first nugget, a little 1 grain whisper. I am 100% convinced I would have never heard this if I had the GARRETT Pro Pointer AT on my body. About an hour later I found a 1/2 gram piece. By that time it was 12pm and I was already dying from the heat. So I called it a day and headed home.

SO, be careful with this new ORANGE Garrett probe, it may not be the best choice with your GPZ7000. Like I said, it is a great probe, very sensitive, but the GPZ7000 is hyper sensitive too and it knows this probe is in the area like a drug dog knows there is marijuana in a suitcase.

Also, it must be filled with a metal rod because it sticks to a magnet like glue.

I may have to do a video on it to show how the GPZ7000 picks the Garrett probe up.

Doc

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The 7000 coil isn't the only thing sensitive to EMI, if you get objects too close to the control box it can set the detector off too, you can also pick the detector up on a hand radio if you put the radio right next to control box while scanning channels (it was like channel 20 I think). So there are some case shielding issues on the GPZ.

I bought the Nokta waterproof pinpointer since I got tired of waiting for the Garrett AT backorder, but if I clip it to the top of my shoulder strap opposite of my swinging arm then it doesn't interfere.

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The downside of an extremely sensitive detector is that it is extremely sensitive! Picks hung on a belt too close to the detector are a problem too, and as you noticed, even at a level where the GPZ is only partly picking it up, the GPZ can be subtly affected in a negative way resulting in an unstable ground balance, etc.

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Steve, you are taller than I am. I am only 5' 7" and for me I just can't get it far enough away. It is strange that I can put my pick on my shoulder and it does not seem to be an issue, but that probe is a different story.

Or maybe the probe is just a matter of reaching critical mass. (The straw that broke the camel's back, so to speak.) The pick and the probe may be too much all together.

Doc

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