Just got the AT a few days ago and am pretty new to metal detecting. I am curious what other owners are using as sensitivty. Ive been using the most sensitive setting (3 beeps) and have been using the rutune function to get closer and closer. Im thinking about switching to 1 or 2 though. I guess it depends on the location etc but just curious what you guys are using and why. Right now im mainly hunting parks and only digging shallow targets. Looking forward to your thoughts 