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Question on ground balance
- Thread starter MARK (LI)
- Start date
silverchef
New member
I leave it off unless my sensitivity drops below about 18 or so. At that point I will enable it and do a manual ground balance. I will also put mode on ground coin. This seems to to stabilize machine and get sensitivity raised a couple numbers in my area.
Jason in Enid
Active member
Leave it off unless you are in VERY bad ground. Single digit auto sensitivity level bad. Using it when it's not needed will actually hurt your performance. 99% of people will probably never need to use it.
Mark,
GB'ing over soil can actually be an 'easy way' to establish [ just how much mineralisation ] there is on any given ground.
With the Manual GB function as you 'pump' the coil, you ' will hear ' or won't hear the Threshold change.
BY chance if you do a GB over some buried iron you will know right away, because it sounds like a 'Paris ambulance' is about to run you over...DEE DAH DEE DAH DEE DAH .......
Good Hunting
Des D
GB'ing over soil can actually be an 'easy way' to establish [ just how much mineralisation ] there is on any given ground.
With the Manual GB function as you 'pump' the coil, you ' will hear ' or won't hear the Threshold change.
BY chance if you do a GB over some buried iron you will know right away, because it sounds like a 'Paris ambulance' is about to run you over...DEE DAH DEE DAH DEE DAH .......
Good Hunting
Des D
Des,
I hope I'm not hijacking the OP's thread by asking this, and definately not intending to but your comment about ground balance helping to determine soil mineralization leads me to the question.
Might be a dumb question to some, but when you use GB to determine the level of soil mineralization, what is it you're looking at that tells you how high (or low), and what the level of mineralization actually is?
Being relatively inexperienced, the only "guage" I've looked at to indicate mineralization level is what auto sensitivity is choosing, and also the "suggested" sensitivity next to that number. If in auto sensitivity and numbers are low then I took that t o indicate higher ground mineralization, the lower the numbers in auto sensitivity, the higher the ground mineralization. Would that be incorrect? Since I started in this hobby, determining the level of ground mineralization has been a mystical factor to me so any info to clarify that for me is appreciated.
I hope I'm not hijacking the OP's thread by asking this, and definately not intending to but your comment about ground balance helping to determine soil mineralization leads me to the question.
Might be a dumb question to some, but when you use GB to determine the level of soil mineralization, what is it you're looking at that tells you how high (or low), and what the level of mineralization actually is?
Being relatively inexperienced, the only "guage" I've looked at to indicate mineralization level is what auto sensitivity is choosing, and also the "suggested" sensitivity next to that number. If in auto sensitivity and numbers are low then I took that t o indicate higher ground mineralization, the lower the numbers in auto sensitivity, the higher the ground mineralization. Would that be incorrect? Since I started in this hobby, determining the level of ground mineralization has been a mystical factor to me so any info to clarify that for me is appreciated.
McClod,
Hi...
Yes, as you said, You're looking at where the Auto-Sens goes to?
But, you can also [ hear ] the level of M in a manual GB.
Take a look at my Ground Balancing the Minelab CTX 3030 on YouTube and you should hear what I'm referring to.
I hope it helps - that is why I made it.
Good Hunting
Des D
Hi...
Yes, as you said, You're looking at where the Auto-Sens goes to?
But, you can also [ hear ] the level of M in a manual GB.
Take a look at my Ground Balancing the Minelab CTX 3030 on YouTube and you should hear what I'm referring to.
I hope it helps - that is why I made it.
Good Hunting
Des D
Jason in Enid
Active member
unearth said:
I never turn on the GB function to begin with, so there is no "un-checking". You don't need to GB at the beach either. The detector does not do any "ground balance" unless you specifically turn that function on.
OK, classroom time! (this is for everyone)
The Minelab CTX is NOT NOT NOT a regular metal detector. You DO NOT NEED to ground balance it unless you are in EXTREMELY BAD soil conditions. Normal metal detectors must be constantly ground balanced. Some are designed with a preset, some allow you to change the GB and some will automaticlly do the GB for you. The CTX DOES NOT look at ground mineralization like all those others. The CTX (and other FBS models) use the time domain sampling of signal return. This is why you should not be messing with GB unless absolutely necessary. Setting the GB on the CTX will only make it worse for 99% of users. The FBS detectors adjust the sensitivity level as needed, but this has far less effect on depth than most people are willing to believe. We all want it completely maxed out to get every last millimeter of depth, but even at very low sens levels you still have almost full depth. Guess how I know.... I've done it. It completely by accident to learn this lesson. I was playing with my detector in the house and turn the sens to manual and all the way down to about 5 so I wouldn't have interference while I played with some targets. I forgot to change it back before my next hunt. There I was, happily hunting and digging plenty of good target 6, 7, 8 inches deep with a manual sens setting of 5. So everyone should take a deep breath and calm down about sens levels. Just because it falls to 15 or 12 or 10, you aren't missing anything. Let the machine do it's thing, it's smarter than we are.
Technically, "Automatic Sensitivity and Ground Compensation monitor the full band of frequencies for changes in ground mineralization. Whenever the level of ground mineralization changes, the sensitivity is automatically adjusted to maintain maximum depth. The ground compensation circuitry removes false signals caused by fast changing levels of ground mineralization. Both of these advanced features work together to maintain maximum detection depth and sensitivity, allowing you to concentrate on listening for targets". http://www.minelab.com/usa/consumer/knowledge-base/minelab-technologies
HH Randy
HH Randy
Jason in Enid
Active member
Des D said:
Your words, not mine. But since you know this to be true why are you wasting peoples' time telling them to do a manual ground balance so they can "listen to" the amount of mineralization in their ground? That does nothing to help them.
Since this forum was established I've tried to help and advise.
In between some nice support I received a lot of grief and nasty retorts. It seemed, few were interested in feedback from a person inside the company about Topics folk wanted to know more about
Enough is enough. Jeez...I should have stopped looking in on this forum years ago.
Now I will.
I'll leave it to other Preachers out there from now on.
Goodbye.
In between some nice support I received a lot of grief and nasty retorts. It seemed, few were interested in feedback from a person inside the company about Topics folk wanted to know more about
Enough is enough. Jeez...I should have stopped looking in on this forum years ago.
Now I will.
I'll leave it to other Preachers out there from now on.
Goodbye.
Larry (IL)
Well-known member
Sorry to see you go Des, unfortunately you are just one of MANY highly qualified experts who have left these forums or at least take a back seat because of a few idiots mixed in with the thousands who wish to learn.
Thanks for the help you DID provide Des, wish you would reconsider.........
Thanks for the help you DID provide Des, wish you would reconsider.........
I for one always try to read your post being you have a inside with Minelab and find they are very informative. There is always some that think they know everything about a detector and really don't know much about one and they try to shoot down those the really do, I had this problem on the Sovereign forum too with a guy that though he was a expert and I was going to not post much, but though why should I not post and give some good info for those that really need it.
I hope you will reconsider as I know others read and respect your info.
Rick
I hope you will reconsider as I know others read and respect your info.
Rick
electricmetal21
New member
Des:
Don't let the people who respond to these posts get to you. They can sometimes be quite rude.
On these forums, people know nothing about the qualifications of the person they're talking to. And, unless you identify yourself as someone who has expert knowledge, they think you're just another metal detectorist who may or may not know much about the detector.
My advice to the rude people would be to be polite and listen. Just because you think you know it doesn't mean you actually know it.
Don't let the people who respond to these posts get to you. They can sometimes be quite rude.
On these forums, people know nothing about the qualifications of the person they're talking to. And, unless you identify yourself as someone who has expert knowledge, they think you're just another metal detectorist who may or may not know much about the detector.
My advice to the rude people would be to be polite and listen. Just because you think you know it doesn't mean you actually know it.
Chris(SoCenWI)
Well-known member
n/t
Guys,
Many thanks for your POSitive ++++ words.
I certainly do appreciate the few of you who supported me and my work thru the years.
A few always [ highlighted ] articles and films I wrote and produced and brought them to the attention of many.
That was very nice to see and thank you again.
Currently, I'm swinging a Fisher and enjoying everything about it.
A Fisher literally opened up sites that had given very little back in the day ( a 1260-X v other brands )
and I've always held a healthy respect for Dave Johnson and George Payne.
"Cos, I also swung Teknetics back in the ' 80's which had [ lite years ahead technology ] in their meter ID systems.
Good Hunting
Des D
Many thanks for your POSitive ++++ words.
I certainly do appreciate the few of you who supported me and my work thru the years.
A few always [ highlighted ] articles and films I wrote and produced and brought them to the attention of many.
That was very nice to see and thank you again.
Currently, I'm swinging a Fisher and enjoying everything about it.
A Fisher literally opened up sites that had given very little back in the day ( a 1260-X v other brands )
and I've always held a healthy respect for Dave Johnson and George Payne."Cos, I also swung Teknetics back in the ' 80's which had [ lite years ahead technology ] in their meter ID systems.
Good Hunting
Des D