I have a 1983 Shamrock. It came with a Eagle VG 200 Fish finder. The
transducer is located in a pod on the bottom of the boat. This pod
suspendes the transducer up off the bottom of the boat. The pod is
filled with water to the bottom of the transducer. My question, is
there a better fluid to fill the pod with? Mineral oil etc? I would
like to have a copy of the manuel if any one has one.

Thanks

Ron