... I plan to work a very dense salt beach environment when I take a trip in the next two weeks. I was hoping to have a new Simplex + in my hands by then, too, just to do some side-by-side comparisons. I usually do not like to use too many audio Tones and have only used 2-Tone and 3-Tone in the past for beach work. I'll start with those.
I never run my Discrimination higher than the Ferrous / Non-Ferrous break-point, and typically I keep the Anfibio set at about '5'. I only adjust higher if I need to in order to help cancel the low-conductive wet salts.
I NEVER use Notch Disc. for anything, especially if my goal is to find jewelry items.
I start with my Sensitivity set at '95' and then adjust [sup]▲[/sup] or [sub]▼[/sub] as desired or as needed.
Precious jewelry comes in an indescribable array of sizes, shapes, alloy content and orientation in the ground. It is not easily definable / describable like carefully minted coins. Therefore, I don't waste my time trying to Notch-Out targets or try to isolate specific VDI numbers to accept or reject to try and make a 'jewelry program.' When I beach hunt I take the most efficient approach and use the Beep-DIG! method to success. I use the least amount of Discrimination I can get by with, then methodically search the area with ample overlapping. Then I simply listen and recover.
If I hear a Beep, I take a look at what I found. - - - - - If I can't hear anything, then I'm not going to see anything, either.
Naturally, I'll be using the round 11" DD standard coil on my Anfibio Multi as it is a large beach. It sees very little activity, but it never hurts to give it a try. I hope you enjoy some success on your beach hunt.
Monte