I am new to the dfx 300 when it comes to beach detecting. I have researched the internet for solutions to some of the problems i've run into but couldn't find anything about it. I am using the preset program jewelry/beach. 1.) I have been avoiding wet sand because everytime i detect in it, the detector goes crazy and it is beeping everywhere i search. 2.) When i get a signal strong enough to display a picture of the item on my screen i move the coil back over it and the item seems to have disappeared. It wont beep again. 3.) When i am pinpointing the item, it seems to lock on to the same height instead of fading whenever i move the coil away from the target. For example, i will hold the coil up in the air and it will still say the same height. 4.) When i do get a good signal from the detector, sometimes it wont even pick up the item when pinpointing. I think it is the salt water messing it up, but i'm not sure how to fix it. Any help would be greatly appreciated.