Great advice here that anyone who wants to find gold rings should take to heart..
..You know once all the old silver is gone out of a place, all you got left is those trash targets that may be gold.
That said, I've tried many ways to figure out the signal pre-dig, from raising coil, to hitting PP button and raising coil, all sorts of methods to try to figure out the 'mass" of an object...nothing appears to work with certainty,
... If you read enough of the Forums, you will find a few guys that hunt gold with great success, with all sort of machines in various locations from the beach to totlots, and then you pattern your style after theirs with what will work in your area depending upon your sites...might be sportsfields, might be beaches, depending upon where you live...
one thing sort of interesting, akin to what Mapper65 said, turning your gold search into a thinking game, if you pull up the lost and found section of Craigslist and enter "ring" in the search box, it will give you an idea of where rings are NOW lost...not many at the beach or parks anymore, mostly in parking lots or inside bathrooms at a restaurant or something...to top it off, if somebody NOW loses a big expensive ring, they have the phone to call somebody and get them out quick to find it...so I think we will all be hunting for older gold that has been gone for a while from now on...
Mud.