FooserPaul
New member
Hell all!
Do you use the Stabalization feature?
Paul
Do you use the Stabalization feature?
Paul
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Stabalization Setting...
- Thread starter FooserPaul
- Start date
BarnacleBill
New member
Only when I have to, as the VDI & TDI may not coincide as stated in the manual. It's one of the more overlooked features of the X-70 as I don't think users can relate well to what it does. Though not a perfect analogy as this is a "Digital Detector", think 2-Filter/4-Filter detector, and the differences in how they react in highly mineralized ground.
Here's a nice discussion by Monte that may shed some more light for those not familiar with the differences.
http://www.findmall.com/read.php?31,297562,297716
HH
BarnacleBill
Here's a nice discussion by Monte that may shed some more light for those not familiar with the differences.
http://www.findmall.com/read.php?31,297562,297716
HH
BarnacleBill
BarnacleBill
New member
Steve, I think a real life example would best illustrate where I have used it & why.
There is a freshwater beach that I detect on occasion, that on first glance looks like many other freshwater beaches. Upon setting up the detector on the dry sand it becomes apparent that the ground matrix is pretty hot, though it's hard to distinguish any physical characteristics that would make it so. Yes there is the usual foil bits, charcoal, and small gravel/stones. But it looks like any other tan colored sand but maybe a little darker than usual for the area. But sensitivity has to be relatively reduced no matter what coil is used, or the detector is noisy. And I have tried other detectors at this location even multi-freqs that exhibit the same behavior.
It's when you move into the water that things get really interesting, and the reason for the dry sand being "hot" becomes apparent. Well not readily apparent, the first time into the water here was with an X-Terra and I thought I had EMI/EMF issues. I also thought I might have stumbled over 300 yards of buried anchor chain.
Usually on freshwater beaches the GB doesn't change much from dry sand into the water, but the detector just went bananas. Junk targets sounded and ID'd like junk & good targets sounded & ID'd like junk. OK, so what the heck is going on???????
I began to look closely at the lake bottom, and having dug a few targets I had noticed a couple of things. One is that the sand was extremely compacted, I could barely pivot a half spade shovel full up with my full weight, and straining the shovel till it would almost break. Two, the bottom was covered in riffles that had been shaped by a strong on shore current flow. Three, the leading edges of the riffles facing the lake were covered in a deep orange color. Four, when I dug a hole there were layers/pockets of this deep orange colored sand. The riffles looked like this:
[attachment 111243 Riffles.jpg]
Using the ground check feature of the X70 and the above observations, it became clear that this area was acting like a giant classifier and precipitating out an iron rich sand that was causing me trouble. The combination of the uneven ground of iron tipped riffles plays havoc with visual ID. Therefore with the X70 I had to apply two solutions, lower the Sensitivity & turn on Stability to settle the visual ID down. Did it work perfectly? No, but better than nothing.
You have to get used to the tone varying more than the visual ID. And what can be a little disconcerting for those that use three or four tones(like me), is that the tone doesn't always match the visual ID around the transition points. Keep in mind though that I was fighting the usual rusty nails, aluminum trash, floating foil etc etc. This is one of those tough places to hunt where you have to be in the right mind set to go and make a credible effort. Not some place to go when you're tired, sick, or in a bad mood. And you do need to have a sense of humor about it, whenever I arrive at this beach, I get out of my vehicle, look out over the water, and hum the theme from Jaws. I KNOW what lurks out there in the water, "The Deadly Red Riffles".
HH
BarnacleBill
There is a freshwater beach that I detect on occasion, that on first glance looks like many other freshwater beaches. Upon setting up the detector on the dry sand it becomes apparent that the ground matrix is pretty hot, though it's hard to distinguish any physical characteristics that would make it so. Yes there is the usual foil bits, charcoal, and small gravel/stones. But it looks like any other tan colored sand but maybe a little darker than usual for the area. But sensitivity has to be relatively reduced no matter what coil is used, or the detector is noisy. And I have tried other detectors at this location even multi-freqs that exhibit the same behavior.
It's when you move into the water that things get really interesting, and the reason for the dry sand being "hot" becomes apparent. Well not readily apparent, the first time into the water here was with an X-Terra and I thought I had EMI/EMF issues. I also thought I might have stumbled over 300 yards of buried anchor chain.
Usually on freshwater beaches the GB doesn't change much from dry sand into the water, but the detector just went bananas. Junk targets sounded and ID'd like junk & good targets sounded & ID'd like junk. OK, so what the heck is going on???????I began to look closely at the lake bottom, and having dug a few targets I had noticed a couple of things. One is that the sand was extremely compacted, I could barely pivot a half spade shovel full up with my full weight, and straining the shovel till it would almost break. Two, the bottom was covered in riffles that had been shaped by a strong on shore current flow. Three, the leading edges of the riffles facing the lake were covered in a deep orange color. Four, when I dug a hole there were layers/pockets of this deep orange colored sand. The riffles looked like this:
[attachment 111243 Riffles.jpg]
Using the ground check feature of the X70 and the above observations, it became clear that this area was acting like a giant classifier and precipitating out an iron rich sand that was causing me trouble. The combination of the uneven ground of iron tipped riffles plays havoc with visual ID. Therefore with the X70 I had to apply two solutions, lower the Sensitivity & turn on Stability to settle the visual ID down. Did it work perfectly? No, but better than nothing.
You have to get used to the tone varying more than the visual ID. And what can be a little disconcerting for those that use three or four tones(like me), is that the tone doesn't always match the visual ID around the transition points. Keep in mind though that I was fighting the usual rusty nails, aluminum trash, floating foil etc etc. This is one of those tough places to hunt where you have to be in the right mind set to go and make a credible effort. Not some place to go when you're tired, sick, or in a bad mood. And you do need to have a sense of humor about it, whenever I arrive at this beach, I get out of my vehicle, look out over the water, and hum the theme from Jaws. I KNOW what lurks out there in the water, "The Deadly Red Riffles".
HH
BarnacleBill