Posts: 1453
Location: Kronenwetter, WI | Can't figure this one out...running a Garmin 178c on my console...came loaded when I bought the boat new in 2005. Never had an issue but this season when I run in plane it loses the bottom. Will show occasional marks for the bottom when I turn the gain to 100 percent but that's not right either. Played with the bottom lock HZ settings and even tried playing with the trim thinking maybe I was creating interference when trimmed up a bit but no dice. The transducer---I think that's what I see waaaaay back there when I shine a flashlight toward the back in the pump access area does not seem reachable....can't reach it with my hand reaching back laying on floor of boat...not sure what to try next.....maybe install a new ducer?
Edited by Cowboyhannah 6/21/2015 3:08 PM
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