Uncle Willy said:Yeah due to that fact catalogs and brochures have been know to be in serious error more than once so don't bet your life on those. HAA.
Bill
You were the one who said "If Garrett says so, it's a fact"
All anyone has to do is read the specs on some dedicated water machines. How and why they work well in the salt. A good machine to look at is a Fisher CZ-21. Just so we don't always compare to a Minelab.
Thing like, Patented Dual-Frequency Fourier Domain Signal analysis, Wet-sand operation, Separately sealed battery compartment with 4-9v batteries (gives a solid 45 hour use. This is coped from the Fisher CZ-21. Mind you it even has a concentric coil not a DD. Like a said before. I think some will take it to the salt water beach and even make some finds with it. But unless it has a mode or switch that allows to to GB in the wet salt sand "fagidabouit".
Just like the post someone made above. I don't like to see people buy into something and being mislead on a product. With the price of dedicated salt water beach/dive machines. I can see where people are looking at the AT.
:Ive seen all this before and when it proves to be a success they just melt back into their bubble and you don't hear anything more
,Ive always trusted Garrett and always will,they have been able to sell me a product that has repaid for itself,
not many hobby's can do that and that's why I am a happy repeat buyer,lets just wait and see ,and put to the test by us the public,then you can give an opinion,I don't think we will be disappointed,,,Bazza 
Give us the difinitive answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!