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proper ground balance
- Thread starter pdevoy
- Start date
He should be along shortly...you have to find "clean ground" to ground balance...meaning there is no signal at all anywhere near your coil when you attempt it. Now, just for dialogs sake, I rarely ground balance my F70...OK I know its not a Technetics, but they are from the same designer and family of products. I hunt a lot of trashy parks for coins and jewelry in the top 4" and ground balance doesnt seem to be an issue for those at all, I turn the machine on and commence to sweep.. I think it is an issue if you are deep target hunting...anyway, a very low sens seems to be the deciding success factor for me in the trash. Are you finding stuff? Have you been successful with your method?
Mud
Mud
ToddB64
Active member
Monte,
I've had the same problem as pdevoy and it is because I've been following step 2 on page 17 of the Gamma 6000 manual, which says to "Hold the detector with the search coil about one foot above the ground.".
I'm guessing the Omega and Delta manuals give the same instruction. I've been annoyed by this problem for quite a while and not knowing what to do about it, i.e. what am I doing wrong ! ?
Sure glad you had the solution......no credit to Teknetics though. :sad:
Good thing we have you to sort things out for us Monte ! YOU THE MAN !!
Thanks loads !
ToddB64
I've had the same problem as pdevoy and it is because I've been following step 2 on page 17 of the Gamma 6000 manual, which says to "Hold the detector with the search coil about one foot above the ground.".
I'm guessing the Omega and Delta manuals give the same instruction. I've been annoyed by this problem for quite a while and not knowing what to do about it, i.e. what am I doing wrong ! ?
Sure glad you had the solution......no credit to Teknetics though. :sad:
Good thing we have you to sort things out for us Monte ! YOU THE MAN !!
Thanks loads !
ToddB64
ToddB64
Active member
pdevoy ,
I'm sure glad you posted this.
I've been annoyed with this issue for quite some time with my Gamma 6000 and couldn't figure out if I was doing something wrong or not, so just kept on following the Ground Grab setup steps on page 17 of the manual.
At step 2, it says to "Hold the detector with the searchcoil about one foot above the ground.". Obviously, this doesn't match the solution Monte gave in this thread, i.e. "start with the search coil placed ON-THE-GROUND " !
Thanks to Monte we now have the correct instructions for step 2 !
See my reply to his post.
ToddB64
I'm sure glad you posted this.
I've been annoyed with this issue for quite some time with my Gamma 6000 and couldn't figure out if I was doing something wrong or not, so just kept on following the Ground Grab setup steps on page 17 of the manual.
At step 2, it says to "Hold the detector with the searchcoil about one foot above the ground.". Obviously, this doesn't match the solution Monte gave in this thread, i.e. "start with the search coil placed ON-THE-GROUND " !
Thanks to Monte
we now have the correct instructions for step 2 ! See my reply to his post.
ToddB64
1.. You have the GB steps down now and
2.. You're getting out and finding stuff w/o GB audio annoyances.
The Omega (my preference) and Gamma (an equally good performer) can provide us with a lot of fun afield, with good results, all in a nice, light weight package. The heat we have had this summer here in NW Oregon an all the places I have traveled so far in Eastern Oregon to Northern Utah, has sure made it at least somewhat relaxing to use a well-balanced detector. I only have one heavy model in my personal arsenal, and I use the faster-sweep unit mainly during the late fall and early spring periods when I hunt open sports fields and large, grassy parks when crowds aren't around.
Most of my site selection picks are urban renovation and desert ghost town and pioneer/military encampments, etc., where it gets a bit hot. The lighter models, especially with the smaller-than-stock coils, really do make those hunts more pleasant. I hope you have some nice locations set aside to hunt, and maybe are thinning things out on this last-of-summer holiday weekend!
Monte
2.. You're getting out and finding stuff w/o GB audio annoyances.
The Omega (my preference) and Gamma (an equally good performer) can provide us with a lot of fun afield, with good results, all in a nice, light weight package. The heat we have had this summer here in NW Oregon an all the places I have traveled so far in Eastern Oregon to Northern Utah, has sure made it at least somewhat relaxing to use a well-balanced detector. I only have one heavy model in my personal arsenal, and I use the faster-sweep unit mainly during the late fall and early spring periods when I hunt open sports fields and large, grassy parks when crowds aren't around.
Most of my site selection picks are urban renovation and desert ghost town and pioneer/military encampments, etc., where it gets a bit hot. The lighter models, especially with the smaller-than-stock coils, really do make those hunts more pleasant. I hope you have some nice locations set aside to hunt, and maybe are thinning things out on this last-of-summer holiday weekend!
Monte
ToddB64
Active member
Monte,
Thanks for your uplifting comments ! Now I'm anxious to take my Gamma to a park and try your suggestion of placing the coil flat on the ground before pressing Ground Grab, thus eliminating the annoying noise that sounds to me like an overload signal when the coil is swept over an aluminum soda-pop can buried just beneath the ground surface.
If, as you said in the Aug. 27Th post, replying to pdevoy, "For the automated Ground Balance (Ground Grab activated) circuitry to adjust the GB setting, it needs to have a starting point. A problem many have is starting to do the Ground Grab with the search coil held in-the-air and away from the ground. That will cause the ringing noise because there is no ground signal present to start with.", then since pdevoy and myself have been previously following the instructions in our Teknetics manuals, i.e. holding the coil about a foot high and then activating the Ground Grab button, perhaps some erroneous data might have been relayed to the control box, hence effecting the overall performance of our machines and causing us to miss some good targets.
If no erroneous data was relayed, then after we activated Ground Grab with the coil in the air, followed by briskly bobbing the coil down to the ground, perhaps at that moment the receive coil would send accurate mineral data to the control box where it would be processed and a mineralization value displayed on the LCD.
Do you think these musings have any validity ?
Thanks in advance for replying to my question.
ToddB64
Thanks for your uplifting comments ! Now I'm anxious to take my Gamma to a park and try your suggestion of placing the coil flat on the ground before pressing Ground Grab, thus eliminating the annoying noise that sounds to me like an overload signal when the coil is swept over an aluminum soda-pop can buried just beneath the ground surface.
If, as you said in the Aug. 27Th post, replying to pdevoy, "For the automated Ground Balance (Ground Grab activated) circuitry to adjust the GB setting, it needs to have a starting point. A problem many have is starting to do the Ground Grab with the search coil held in-the-air and away from the ground. That will cause the ringing noise because there is no ground signal present to start with.", then since pdevoy and myself have been previously following the instructions in our Teknetics manuals, i.e. holding the coil about a foot high and then activating the Ground Grab button, perhaps some erroneous data might have been relayed to the control box, hence effecting the overall performance of our machines and causing us to miss some good targets.
If no erroneous data was relayed, then after we activated Ground Grab with the coil in the air, followed by briskly bobbing the coil down to the ground, perhaps at that moment the receive coil would send accurate mineral data to the control box where it would be processed and a mineralization value displayed on the LCD.
Do you think these musings have any validity ?
Thanks in advance for replying to my question.
ToddB64
100% correct.
There are occasions when I have started the Ground Grab with the coil held too far from the ground, BUT, I was able to still get a GB completed. Usually, however, it starts with that blasted ringing audio noise and you have to stop, lower the coil, the start over anew.
Monte
There are occasions when I have started the Ground Grab with the coil held too far from the ground, BUT, I was able to still get a GB completed. Usually, however, it starts with that blasted ringing audio noise and you have to stop, lower the coil, the start over anew.
Monte
Sleepyjim
Member
Hello Monte, I am a happy O8 owner and now learned the proper GB, THANK YOU!! I had ok results b4 (Merc, Buffalo and Wheats) and look forward to better results.....
I do have a question or 2 for you:
Have you or is there a booklet or tip sheet for the O* that maybe you produced? I mean with all the tips and help you give out I am sure there is enough info to fill a book or booklet and I for one would love to buy it! (If not can you make one please, I will wait...LOL)
For coinshooting, what is the best starting set up you suggest? I been trying diff tones, freqs, sens and notchin, and I think I have now confused myself...lol, I read all over where so and so notched out this or that but others find stuff in that range, so I would love to hear or advice.....
Lastly thank you for helping all us owners, you sure make detecting fun if not easier.
Jim
I do have a question or 2 for you:
Have you or is there a booklet or tip sheet for the O* that maybe you produced? I mean with all the tips and help you give out I am sure there is enough info to fill a book or booklet and I for one would love to buy it! (If not can you make one please, I will wait...LOL)
For coinshooting, what is the best starting set up you suggest? I been trying diff tones, freqs, sens and notchin, and I think I have now confused myself...lol, I read all over where so and so notched out this or that but others find stuff in that range, so I would love to hear or advice.....
Lastly thank you for helping all us owners, you sure make detecting fun if not easier.
Jim
Ed in SoDak
Member
If it matters on the Omega or Gamma, I don't know, but on my current release Time Ranger, I hold the button down till I get the warble, with coil held in air, then with button still down and warble sound continuing, lower the coil to ground and then release the button. It runs its GB program and emits a happy sound if it took, along with a number displayed. If it fails I hear a double low tone with the GB number left blank.
As I say, having never tried the models in question, I wouldn't know if the setup is different, but it's easy to try it both ways in the same spot and see if there's any difference. Check against some dropped test targets to be sure it's working well.
So far as it goes, I use my T2 mostly by manual GB. I may try a ground grab and if it agrees with my manual setting, I'll go ahead and use ground grab. More often than not, it agrees with my own setting. Again referring to the T2, you can leave the GB option as the active choice and tweak it a little plus or minus while you swing or as the hunt dictates. It's also a good way to check to see if you've gotten way off base with your manual setting.
-Ed
As I say, having never tried the models in question, I wouldn't know if the setup is different, but it's easy to try it both ways in the same spot and see if there's any difference. Check against some dropped test targets to be sure it's working well.
So far as it goes, I use my T2 mostly by manual GB. I may try a ground grab and if it agrees with my manual setting, I'll go ahead and use ground grab. More often than not, it agrees with my own setting. Again referring to the T2, you can leave the GB option as the active choice and tweak it a little plus or minus while you swing or as the hunt dictates. It's also a good way to check to see if you've gotten way off base with your manual setting.
-Ed
Digger70pa
Well-known member
Pin point until you find a clean piece of ground then pin point your detector.
Sleepyjim
Member
ToddB64 said:and next don't forget to push and hold the Pinpoint button before pumping the coil[
Hope this helps someone !
Bye-Bye
ToddB64
Ok is this an error or did I miss something? Why and/or do we use pin point to GB?
Man I sure hope this was an error, or I will have to relearn what I just learned from this thread (I was way wrong before)...
Thanks!
Jim
ToddB64
Active member
Sleepyjim said:ToddB64 said:and next don't forget to push and hold the Pinpoint button before pumping the coil[
Hope this helps someone !
Bye-Bye
ToddB64
Ok is this an error or did I miss something? Why and/or do we use pin point to GB?
Man I sure hope this was an error, or I will have to relearn what I just learned from this thread (I was way wrong before)...
Thanks!
Jim
Hi Jim
On page 17 of the Rev.3 manual for my Teknetics Gamma 6000, under subtitle AUTOMATIC GROUND BALANCING PROCEDURE USING GROUND GRAB, at the second step 3. we are instructed to push and hold the pinpoint button (Designated by the pinpoint button symbol.). Further down we are instructed to release the PP button at step 6..Therefore it is implicit that we should continue holding the PP button down while going through steps 4. , 5. and 6. and then finally releasing the PP button.
So, the Pinpoint mode is used in the Ground Grab circuitry. Not being an electronics engineer, I don't know exactly how this all works. I just follow the instructions and they work for the Gamma.
ToddB64