When I purchased the Equinox 800 many moons ago the main reason was because of its reputation for being able to find gold chains. From bench testing I knew that it would indeed give a good tone and TID on a medium sized gold chain but, unlike many of my Nox toting brethren, my 800 couldn't seem to come up with that elusive target- until yesterday. Now I don't typically use the Nox at the beach, just fresh water, and that is probably the reason for my past struggles.  In the wet sand at the