Just another Moderator
Join Date: Sep 2005
Location: New Westminster, BC
Thanked 513 Times in 487 Posts
Rep Power: 10
Re: Airmar P79 CS36T
Are you trying the waterbag trick? Fill a ziploc bag, seal it with no bubbles, put it against the hull and try placing the transducer on top of that.
Air in between the hull and transducer can cause problems.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)