Hello all. I got my X 70 out the other day. Been a while since I used it. Purchased new in 2006. Maybe ran about 5 or 6 sets of batteries through it since. On my last outing...it began acting erratically. This even after I auto tuned on ground balance and noise cancel (several times) and at lowered sensitivity settings. It is so erratic...I can actually point it up in the air and still getting wild signals. Also...if I snap it side to side (not in a violent way)...it seems to influence the tones emitting. Any ideas? Is it toast? Thanks in advance.