A
Anonymous
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Do you have to raise and lower the coil to ground balance the Explorer?
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A
Anonymous
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[No message]
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Anonymous
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Explorer is a sophisticated unit that is far ahead of many top line units on the market and performs that automatically...
A
Anonymous
Guest
It is auto.
Hit your noise cancel button every time you start a new area.
Good luck Crazy Mike.
Hit your noise cancel button every time you start a new area.
Good luck Crazy Mike.
A
Anonymous
Guest
#1. As was said, always hit your noise cancel before starting.
#2. Yes ground balance is auomatic and will be accomplished within the <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> first couple of swings as the detector starts to gather and process the data about the ground mineralization.
HOWEVER, what if in half of that first swing, while the detector is gathering <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> information to accomplish ground balance, you go over a very deep, faint target ?
You may miss it !
It takes nothing <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> to hit cancel, and then pump your coil three or four times before you start your swing.
Ground balance has become so accurate and so fast that for the most part, people <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> have forgot the old technique of pumping the coil up and down.
Granted the chances that you would miss a deep faint target are slim, <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> but it can happen so why take a chance when pumping the coil up and down is such a simple procedure.
Us gold prospectors know how critical ground balance can be, and our <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> GP3000 machines are auto ground balance too. However, you will never see a gold prospector who does not pump his coil up and down before starting to swing.
With small deep gold you can actually see how an out of balance machine will completely miss the target, unless your balance is perfect.
If you get a faint target, you can take your detector off the target and wave the coil in the air - this will throw the ground balance way out of whack because it doesn't have ground to balance to. You can then lock the out of balance machine into that condition by flipping the auto-tracking to fixed.
Swing over the <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> faint target, and you can't hear it. Rebalance your machine properly, go over the target again, and like magic, you hear it again.
Bottom line is, why take short cuts, taking a second to balance the machine before your first swing can't hurt anything.
Now I am unsure whether noise cancel actually performs a ground balance function. I think many assume it does. If it is like the GP3000 which also has a noise cancel <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> function, but it is called auto-tune, the purpose is only to find a frequency for operation that is clear of interference. On the GP3000, the NOISE CANCEL, DOES NOT perform any ground balance function what-so-ever.
With a GP3000 the first thing you do after hitting the auto-tune, (noise cancel) button, is to performa ground balance by pumping the coil up and down. And while I may be wrong, I have a pretty good feeling that the NOISE CANCEL does not perform a GROUND BALANCE function on an Explorer either, it simply finds a clean frequency.
Just my take on it, maybe Andy Sabsich can give us his two cents on the subject.
Take care!
DOC
<SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL>
I want to see if subliminal advertising works ! <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol">
#2. Yes ground balance is auomatic and will be accomplished within the <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> first couple of swings as the detector starts to gather and process the data about the ground mineralization.
HOWEVER, what if in half of that first swing, while the detector is gathering <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> information to accomplish ground balance, you go over a very deep, faint target ?
You may miss it !
It takes nothing <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> to hit cancel, and then pump your coil three or four times before you start your swing.
Ground balance has become so accurate and so fast that for the most part, people <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> have forgot the old technique of pumping the coil up and down.
Granted the chances that you would miss a deep faint target are slim, <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> but it can happen so why take a chance when pumping the coil up and down is such a simple procedure.
Us gold prospectors know how critical ground balance can be, and our <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> GP3000 machines are auto ground balance too. However, you will never see a gold prospector who does not pump his coil up and down before starting to swing.
With small deep gold you can actually see how an out of balance machine will completely miss the target, unless your balance is perfect.
If you get a faint target, you can take your detector off the target and wave the coil in the air - this will throw the ground balance way out of whack because it doesn't have ground to balance to. You can then lock the out of balance machine into that condition by flipping the auto-tracking to fixed.
Swing over the <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> faint target, and you can't hear it. Rebalance your machine properly, go over the target again, and like magic, you hear it again.
Bottom line is, why take short cuts, taking a second to balance the machine before your first swing can't hurt anything.
Now I am unsure whether noise cancel actually performs a ground balance function. I think many assume it does. If it is like the GP3000 which also has a noise cancel <SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL> function, but it is called auto-tune, the purpose is only to find a frequency for operation that is clear of interference. On the GP3000, the NOISE CANCEL, DOES NOT perform any ground balance function what-so-ever.
With a GP3000 the first thing you do after hitting the auto-tune, (noise cancel) button, is to performa ground balance by pumping the coil up and down. And while I may be wrong, I have a pretty good feeling that the NOISE CANCEL does not perform a GROUND BALANCE function on an Explorer either, it simply finds a clean frequency.
Just my take on it, maybe Andy Sabsich can give us his two cents on the subject.
Take care!
DOC
<SMALL><SMALL>(Swingy Thingy)</SMALL></SMALL>
I want to see if subliminal advertising works ! <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol">
A
Anonymous
Guest
Hi Doc,
Not sure if I understood your reasoning behind ground balancing the Explorer but I sure got a sudden jones for the pendulum I've had hanging out on the deck next to the unfinished patio support. I've also had to tie down all the venetian blind cords cause their swinging in the breeze is getting to me for some reason... Just a second.. I've gotta go fix that funky swingy thingy hanging down from the corner of my den...it's just a cobweb and not sure why but it's bugging me just hanging there swinging back and forth... back and forth...back and forth....back..and...
Not sure if I understood your reasoning behind ground balancing the Explorer but I sure got a sudden jones for the pendulum I've had hanging out on the deck next to the unfinished patio support. I've also had to tie down all the venetian blind cords cause their swinging in the breeze is getting to me for some reason... Just a second.. I've gotta go fix that funky swingy thingy hanging down from the corner of my den...it's just a cobweb and not sure why but it's bugging me just hanging there swinging back and forth... back and forth...back and forth....back..and...
A
Anonymous
Guest
Hi Doc,
If ground balancing is auto, does it do it when you turn it on, or at intervals while you use it. If it does it at intervals, does it matter if I pump the coil now as it will balance later wont it?
Thanks.
If ground balancing is auto, does it do it when you turn it on, or at intervals while you use it. If it does it at intervals, does it matter if I pump the coil now as it will balance later wont it?
Thanks.
A
Anonymous
Guest
the manual says, it's only to find a stable channel for detecting. and that it will eliminate most audio response to electromagnetic disturbances, (e.g power lines).
also, the explorer gives the operator the option of manually selecting a channel in the advanced mode.
so, i see the noise cancel as nothing more than a quiet button. don't get me wrong, it's important to have a quiet stable operation. but, i just don't see the need to noise cancel everytime the detector touches new ground. i've left mine on a channel for months at a time. just my 3 cents worth. <img src="/metal/html/wink.gif" border=0 width=15 height=15 alt="
">
also, the explorer gives the operator the option of manually selecting a channel in the advanced mode.
so, i see the noise cancel as nothing more than a quiet button. don't get me wrong, it's important to have a quiet stable operation. but, i just don't see the need to noise cancel everytime the detector touches new ground. i've left mine on a channel for months at a time. just my 3 cents worth. <img src="/metal/html/wink.gif" border=0 width=15 height=15 alt="
">
A
Anonymous
Guest
I'm thinking a coil pump on an Explorer is probably not a good idea considering how much it dislikes air space between the coil and the ground. I just set my coil flat on the ground and turn my machine on. I do not move the coil until its done booting up. If its stable I begin hunting, if I'm getting some emi/rfi interference I will hit noise cancel.
If I'm not having any luck in a spot I will often toss the explorer over my shoulder while still running and relocate 50 yards to a new spot. I just put my coil down on the ground and begin hunting, quite a number of times I have put my coil down right on top of a coin so to me I don't believe any special procedure is required for ground balancing.
Noise cancel shifts the transmit frequencies slightly searching for the least noisy "channel" it has nothing to do with ground balancing to my knowledge.
A tip on this though...when interference is particularly bad (machine is going bonkers) I have better luck selecting the channel manually verses letting the machine select it. I can often find a slightly better channel than the auto noise cancel does but this again is when the interference is quite bad.
If I'm getting emi/rfi interference I will do a noise cancel, otherwise I never due. Why? The explorer defaults to channel 5, I'm guessing "like some others" that Minelabs choice of channel 5 is no coincidence, its probably optimal else why not just default to channel 1. At the least I feel luckier on channel 5. <img src="/metal/html/biggrin.gif" border=0 width=15 height=15 alt="">
If I'm not having any luck in a spot I will often toss the explorer over my shoulder while still running and relocate 50 yards to a new spot. I just put my coil down on the ground and begin hunting, quite a number of times I have put my coil down right on top of a coin so to me I don't believe any special procedure is required for ground balancing.
Noise cancel shifts the transmit frequencies slightly searching for the least noisy "channel" it has nothing to do with ground balancing to my knowledge.
A tip on this though...when interference is particularly bad (machine is going bonkers) I have better luck selecting the channel manually verses letting the machine select it. I can often find a slightly better channel than the auto noise cancel does but this again is when the interference is quite bad.
If I'm getting emi/rfi interference I will do a noise cancel, otherwise I never due. Why? The explorer defaults to channel 5, I'm guessing "like some others" that Minelabs choice of channel 5 is no coincidence, its probably optimal else why not just default to channel 1. At the least I feel luckier on channel 5. <img src="/metal/html/biggrin.gif" border=0 width=15 height=15 alt="
">
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Anonymous
Guest
because I have an Explorer S.... <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> I can't find the button... <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> Seriously, I've changed the frequency from channel 5 to 8. In between 5-8 seems to be the most stable in PA. There is an area at a local park that on channel 5 I can't get the sensitivity up past 20. If I change the channel to 7 I can get up to 26-28. It's something to think about.
-Bill
-Bill
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Anonymous
Guest
<img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> well, you don't know what you're missing Bill.
seriously, i've played around with manually selecting a noise channel, and found at times that a certain channel is a little bit deeper than others. figure that one out.
seriously, i've played around with manually selecting a noise channel, and found at times that a certain channel is a little bit deeper than others. figure that one out.
A
Anonymous
Guest
does a better job than by using the automatic noise cancel button. agree 100%.
i look at the auto noise cancel button as a short cut, an easy way out, kind of like using semi-auto sensitivity vs. manual.
whatever floats a person's boat i guess.
<img src="/metal/html/wink.gif" border=0 width=15 height=15 alt="">
i look at the auto noise cancel button as a short cut, an easy way out, kind of like using semi-auto sensitivity vs. manual.
whatever floats a person's boat i guess.
<img src="/metal/html/wink.gif" border=0 width=15 height=15 alt="
">
A
Anonymous
Guest
and is going on all the time. I have a bit of a problem with the term "ground balancing" (probably just me). To me,it seems more like a process of the detector looking for abrupt changes in the target environnment. As you sweep the coil over the ground, then the detector just looks at the response and realizes that most of what it sees just more of the same and is therefore not a target. When it detects that something different has happened, it then says "that is interesting" and tells us about it.
Generally, the target environment changes rather gradually relative to the sweep speed of the coil. The Explorer simply keeps readjusting its opinion about what the environment looks like.
Have you ever noticed that in a crowded room that there can be a constant rumble of peoples voices. But, the interesting thing is that you can pick out a persons voice 20 feet away and lock on to that voice and ignore everything else as the environment?
Just my thoughts.
Glenn
Generally, the target environment changes rather gradually relative to the sweep speed of the coil. The Explorer simply keeps readjusting its opinion about what the environment looks like.
Have you ever noticed that in a crowded room that there can be a constant rumble of peoples voices. But, the interesting thing is that you can pick out a persons voice 20 feet away and lock on to that voice and ignore everything else as the environment?
Just my thoughts.
Glenn
A
Anonymous
Guest
Not sure about picking out someones voice 20 feet away, as I have trouble picking out the voices on TV above the music. I guess I didn't when I was young, hey I don't like this old age thing, but it beats not being around at all. Same way with the detector, I'm sure the young ones have less trouble picking out some of the different sounds than you or I. Oh we hear them, most of the time, but we have to work at it, to pick them out sometimes.