Having problem with 360 only displaying 1 /2 of entire 360 picture ,I'm on full 360 sweep as the radar bar rotates it cancels out my old return very frustrating indeed I've tried all the settings even reset defaults ,same thing ,,, I bypassed Ethernet box and same thing...there's nothing in the transducers path Im hoping to get my humminbird to look like kvds and some of the others on this site thanx guys .