Bill in Texas
New member
Something like this may have been posted before, but for people who have never tried it, here is a simple air test to perform with the metal detector that you are using. Take a used large plastic pill container or other plastic container (without any metal) and tape a coin on one end and a paper clip on the other as shown below. Now set your detector the discrimination to between foil and a nickel and turn it on. Then with the coin toward the coil test to be sure that you have a good solid sound at about 4 inches. Now turn the pill container with the paper clip about an inch away from the coil. Does the detector read the coin? Now I will let you try other angles or what ever you want to do. This test is why I hunt gold rings in the lowest discriminate setting and dig everything. This test is also why when I find an old coin or other good target I make about a 10 foot radius circle and dig all the trash, and then listen for deep targets.