How to Air Test the Sovereign GT

[Ltr113]

Any GT expert users that can give me details on how to air test my machine? Maybe I should set up a test garden cause I don't think I'm getting the hang of it. This is the start of my second season using it.
I go to the beach and dig a lot of lobster traps and their remnants. Inland hunting is fair, but nothing like the stuff I would find with my White's Prizm IV. (Of course, the visual display was a big advantage.)
It seems the most abundant finds with the Minelab is pennies and quarters.

 

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[Sandman]

Minelab's do not air test well and many hunters are disappointed in what they think the depth is. However targets in the ground are a different story.

As for digging a lot more targets with the White's it is because that doesn't have iron mask mode so you are digging a lot more iron. I don't consider a visual display an advantage unless you only want to cherry pick coins and not find many nickles and gold rings. Since iron objects are mainly junk, I dig everything else for many more coins and rings.