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About nordic

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  1. Take away from this is that when this happens, you know it is shallow, shallow enough that even external pinpointer can detect it. And no need to dig deep and wide 🙂
  2. Perhaps worth trying to reset and reflash the unit? Also, phones behave similarly when battery ages...
  3. Thanks for the reply, this is interesting. There was a video a guy set it to -9 and the problem with stack of coins went away, was giving clean high TID.
  4. Hi there, Thought to ask, perhaps it is obvious, but I don't know, are there conditions when GB can be negative, or why ML allow it to go negative? As you know it can be in range -9 to 99. I've never seen it going below 0. Many thanks!
  5. Steady 1-2 is usually a coke or energy gels(some), Nox picks these up strong, but it can be moved to Ferrous side of scale. Field modes already do that. I've never found anything of interest below id 5...
  6. Unfortunately cast iron can come as solid 13, and some other good objects can fall into 13 as well. When I see 13, I usually spend more time analyzing it. Rotating, using All Metal, listening to tone breaks. One other thing I think helps is using 50 tones, because rotating around does give small clues. There is also a certain character to iron, it has some raspiness in tone, while non-ferrous objects give this "rounder" kinda sounding tone. I think one can only hear it using 50 tones. There are other tricks that people use, I'm sure they will be mentioned here shortly.
  7. I was one of those here that answered I use GB only occasionally, generally I would agree GB does help, but at some expense. I went to a well searched field and set it to auto tracking this time, which was showing values between 40-55. I think it did improve discrimination depth a little, especially with smaller targets, but could not not notice an excess of falsing. Constant chirping did my head a lot quicker as I had to concentrate and swing over falses more, however, I did pull smaller items from greater depth it seems. Even with higher FE setting, I couldn't make it shut up. I assume proper GB does sharpen the Nox a good bit.
  8. I’m sure there will be more advices coming soon. In regards to bump sensitivity, generally it is not considered a problem as Nox is a very sensitive device. There were some reports of broken cable that can cause this though. But if you move the cable by hand and it doesn’t happen, then it isn’t the problem. My personal experience, that the latest firmware has least of this, including better EMI rejection. In regards to EMI, if it gives constant TID, you may try to notch it out. For example, some electric fences give me TID 30 every 5 seconds. I notch it out. There can also be radars in the area, that can give repetitive TIDs as well periodically. If it is repeatable, try notching it out. If TID is all over the place, then, perhaps, sensitivity or recovery speed must be lowered. Best regards
  9. I just noticed, that conditions here where I live allow me to run Nox at full sensitivity, EMI never an issue outside, so I thought did ML exhaust sensitivity on this thing... Shortly speaking, yes, they did limit it to a sensible 25 to suit every user. It was just an experiment to satisfy curiosity. Sens 28 gives 6" coil another 2-3" in air discrimination depth, but air depth is hardly an indicator. Extra sensitivity rather suits special occasions, when grass is low, or perhaps beach hunting, low EMI, but I find I use it all the time... Anyway, this thread is about GB 🙂
  10. As in topics Chase mentioned, ML pushed the Nox close to usability limits, as I found out later. I do think though, that they should've given users more sensitivity, because some, including me, like it running hot. It either reacts to the shaft (alu piece), cable itself or soil. During some experimentation I've assembled a simple device that gives me another ~3 sensitivity ticks (max ~28) and bump sensitivity is very apparent. While swinging gently, it is not an issue, but enough to bend the cable, tap the coil or put the MD on the ground, it bursts with TID numbers. Similar thing happens when GB is set high.
  11. Wish ML just explained it better, or were more definite about it. In all time I spent with Nox I could not really tell if it makes difference depth wise or better target id. It does seem effect coil bump sensitivity, so perhaps with higher GB Nox is more sensitive? Noticed similar behaviour when artificially increasing sensitivity (25+)
  12. As far as I could figure it out, you need to hit pinpoint button at a right time to lock the ID. Whether the PP mode then pinpoints according to TID, not sure. Sometimes it does, other times it pinpoints to whatever metal nearby.
  13. Never heard of liquid tape! Good to know. I think the most important wire there, in terms of insulation, is the core of the shielded wire. It is the positive TX signal which is very powerful and probably will damage something if there is a contact. When Nox turns on it fires the TX signal at a reduced strength to check if all is good (not shorted, etc). After that, it is at full, even if the short occurres.
  14. Have that too, faint hiss. Sound of switching power ouput.
  15. I think it was mentioned somewhere, apologies for repeating if so, the water can get either through a ruptured speaker (salt water, etc) or battery compartment seal. Either way, it should be under warranty.
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