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GEB setting

steve9897

New member
My DFX has course / fine GEB settings of 0 to255 but many programs list the recommended setting of "AUTO" does anyone know how to select this setting? is it a matter of turning on another setting elsewhere that puts it in AUTO?


TNX Steve (steve9897)
steve2read@gmail.com
 
Hello Steve.
These two values "Coars G.E.B." & "Fine G.E:B." are set firstly by air/ground balance and then by ground tracking.

steve9897 said:
My DFX has course / fine GEB settings of 0 to255 but many programs list the recommended setting of "AUTO" does anyone know how to select this setting? is it a matter of turning on another setting elsewhere that puts it in AUTO?


TNX Steve (steve9897)
steve2read@gmail.com
 
When you turn on the DFX and do the air ground move..That is the auto GB..The DFX then tracks and changes the GB as needed....


The description you give above is the settings for manual GB if you want to do those settings yourself.. I may not be understanding what your asking..so if I didn't . Disregard my answer..
 
Here is an example of a program that you may enter into the DFX as you can see Course and fine GEB (which are actually two separate adjustments) are adjustable from 0 to 255 but as you can see in this excerpt of a program and many others these two adjustments are to be set to AUTO, which is unfortunately not an option in my DFX.

Auto Trac Offset: +1
Trac Inhibit: ON
Course/Fine GEB: AUTO
Disc Edit:REJECT -15 thru -95 ACCEPT -14 thru +56 REJECT +57 thru +83 ACCEPT +84 thru +94 REJECT +95
Recovery Speed: 35
 
Yes it is.. Auto Track on is AUTO Meaning when you enter this config, you do not set Course and Fine but leave auto track on. This is because these number change every time you GB and entering data is not needed.
Do you realize when you do the ground blalance.. Hold waist high push enter hold over ground push enter.. That is what sets Course and Fine.
Now if Autotrack is off, then you can adjust these and they will stay where you put them.. But as has been said in multiple threads in all the forums you posted this, it is not something you need to do or worry about because you want it on AUTO so it will track to the ground minerals and they change.

Please take the time to read the users manual for each and every option so you understand what it does.

One piece of info you may be missing is what Ground Balance actually is.. or Ground Elimination Balance.
GB is a means for the machine to veiw the VDI of the ground and ignore it. So when you hold it in the air, the machine reads nothing as a base line. Then you drop to the clean spot on the ground and it reads the VDI response of the ground minerals. It then set the Course and Fine setting so the machine will ignore the VDI of the ground minerals. To test you hold the coil in the air, squeeze the trigger and lower the coil.. if you hear the threshold change then your machine is responding to the minerals in the ground and the Balance should be redone.

So once set correctly in that one spot, you start swinging.. and guess what 3 ft away the ground changes, so to keep the MD working correctly AUTO makes changes so the machine continues to ignore the ground.
With Auto OFF you would need to ground balance every few feet.. and manually changing the numbers would not be very practical.

There are reasons to change them, such as to determine how heavy the mineralization is, but this is just a test and is documented in Digging Deeper with the DFX an not all that important for what we are talking about.
 
Ohh...now understanding.
This "AUTO" isn't a option on any DFX in [Course/Fine G.E.B]. You're correct to say the value only can be changed from 0 up to 255.
But these settings are overwritten every time if a air/ground balance or ground balance is done and the autotrac will do so, too.
If you want to use the parameters from the past or the ones you had set yourself, then you have to switch on the detector and press and release the trigger.
Or if the air/Ground balance fails the old values become the actual settings.
This "AUTO" in the listing only means it's done by air/ground balance and tracking.

steve9897 said:
Here is an example of a program that you may enter into the DFX as you can see Course and fine GEB (which are actually two separate adjustments) are adjustable from 0 to 255 but as you can see in this excerpt of a program and many others these two adjustments are to be set to AUTO, which is unfortunately not an option in my DFX.

Auto Trac Offset: +1
Trac Inhibit: ON
Course/Fine GEB: AUTO
Disc Edit:REJECT -15 thru -95 ACCEPT -14 thru +56 REJECT +57 thru +83 ACCEPT +84 thru +94 REJECT +95
Recovery Speed: 35
 
vito said:
Ohh...now understanding.
This "AUTO" isn't a option on any DFX in [Course/Fine G.E.B]. You're correct to say the value only can be changed from 0 up to 255.
But these settings are overwritten every time if a air/ground balance or ground balance is done and the autotrac will do so, too.
If you want to use the parameters from the past or the ones you had set yourself, then you have to switch on the detector and press and release the trigger.
Or if the air/Ground balance fails the old values become the actual settings.
This "AUTO" in the listing only means it's done by air/ground balance and tracking.

steve9897 said:
Here is an example of a program that you may enter into the DFX as you can see Course and fine GEB (which are actually two separate adjustments) are adjustable from 0 to 255 but as you can see in this excerpt of a program and many others these two adjustments are to be set to AUTO, which is unfortunately not an option in my DFX.

Auto Trac Offset: +1
Trac Inhibit: ON
Course/Fine GEB: AUTO
Disc Edit:REJECT -15 thru -95 ACCEPT -14 thru +56 REJECT +57 thru +83 ACCEPT +84 thru +94 REJECT +95
Recovery Speed: 35


Close, the AUTO in the listing means AUTO TRACK is set to ON.
If Auto Track is set to Off, the values the machine sets in the Course and Fine will not change until you do another ground balance.

Unless you want to continually have to ground balance as you move along, leave Auto Track set to ON and forget about it.

For example, one place you may want to turn OFF Auto Track is if you are hunting with a small Coil around an old house where there are millions of iron nails. You will be covering a very small area so the ground matrix is not likely to change. However, Iron is on the negative side of the VDI range where ground balancing occurs. With all those nails the auto track can think the nails are the ground and ground balance to the nails which will screw things up. In this instance you would turn off Auto Track and ground balance when the machine get chatty or noisy with no actual targets (it is responding to the ground because the Course and Fine adjustments (Ground balance) is now off because the ground has changed, you do another air/ground balance.

Then numbers in C and F are set during the air/ground balance process and will hardly ever be exactly the same each time you perform this GB so there is no reason to list them in a config (program).
 
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