I was out yesterday to the beach i set dis at 0 and sen at 5 and then then auto ground balance one beep sometimes i seem to be getting beeps saying -36 why and i getting beeps on the - side if i am set at 0 i tried 1 and still seem do do this i tried everything i could think lowing sen to 1 is this the soil or is there something wrong the soil was a wet but i did ground balance in dry sand any help would be great thanks Jeff