pin-pointer

I notice that when using my (Garrett) pin-pointer, if the coil is under 3 feet away from the hole I am digging, there is sometimes static heard in the headphones when the pinpointer is getting close to the coin. The static starts in the headphone before the pointer vibrates or buzzes, suggesting...

Dear friends: I am certainly learning a lot from all of you! Your collective knowledge and experience is priceless. Thanks to all! My dealer added a pin-pointer for free in my Garrett AT Pro International metal detector purchase. Nice gesture on his part. However, it is basically a Chinese...