Manual Ground Balance - Thoughts? Advice?

[boss driver]

Ok, so I've got the AT Pro. Been using it about 4 months now and finding some issues in my local soil. Ground is showing an auto ground balance number of 77-80 and is a dark soil with good amount of pete in it. Expecting to find more than I am, wondering if maybe the conditions are making the higher target numbers (coins, silver) harder to distinguish. The ATP book talks only shortly about this condition and suggests manually balancing a few points negative to help the situation.
I'm looking for advice from those who have experimented with this idea...good or bad.

I'm in a great location (England) but my time is limited to only a couple years so I'm hoping to adapt quickly.

Thanks for any help and I look forward to the discussions.

 

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[Kodiak43351]

Yes manual ground balance just pump coil while you drop or raise number. You can neg balance if you want but I've heard both good and bad on that. I use both manual and auto depending on how the detector is acting. Good luck

 

[John-Edmonton]

* Ground balance your machine occasionally. Temperature can change, and directly affect the settings. Hunting in shade vs. sun can vary. "a 14 degree difference on a lawn area to a 35 degree difference on a parking lot." But, the mineralization can also change between areas....so again...ground balance periodically.


* To increase the depth/sensitivity to silver targets, manually ground balance the detector lower the ground balanced numbers a few points. For better conductivity for gold, ground balance the detector, then raise balance numbers up a bit.

For some more information on Garrett Detectors, check out my YOU-TUBE Channel below:

https://www.youtube.com/channel/UC8CORF4dsmopibINy0fWzGA

 

[gleaner1]

It does not matter if you auto gb or manual gb, you will still arrive at the same gb number. Your soil conditions are not affecting the performance of the machine, as long as the tecter is properly gb'd to said soil.