Quote Originally Posted by fishingman View Post
My 798 does the same thing also. I too will try this trick. Let me see if i understand you correctly. The excess transducer cable should be folder both ways (once towards the transom and then the next wrap back towards the bow) until you use all of the slack cable, to eliminate external magnetic interference into the cable?
Coil the excess cable into an 8" coil ...

Then, twist the entire coil into a "figure 8" and fold 1/2 of the figure 8 (4" coil) onto the other 1/2 of the figure 8 ...creating a duo-directional 4" coil ...

Rickie