Okay guys I have a problem and need a little help.I have a Hummingbird 525 depth finder that has the transducer mounted in the hull,,Its only displaying 1.6 depth no matter how deep of water im in,running or sitting still,the temp.display is reading right but its not showing the right depth or fish,,,,i've adjusted everything on the menu from auto to manual,checked the transducer and its free of debree and still sitting tight...it was working fine a couple of weeks ago but now its not....anyone have any input on what else i can do or check before spending money on a new one? thanks in advance !!!