Mel

Hello all! I have an Equinox 540 with the standard coil. My cable is pulled up away from the coil as best it can be. When I'm detecting (more-so in Jewellery mode) and even with the sensitivity set midway, when the coil touches say firm clumps of grass, or even the sand, I get a low signal that is rather annoying. Is this normal at all? Many thanks, Mel