been using a 550 for sometime now with a lot of great finds.recently bought a 1250 after reading about them looked like i could get more depth so i thought i would check it out.one of the problems i am having is the "overload" i guess you would call it.constant beeping when there is a large target any way you can turn this off.any other tips would be appreciated took me awhile to really learn the 550 so i don't want to give up to quickly on the 1250 thanks for any pointers.