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Old 06-23-2009, 01:41 PM   #1
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Default Garmin Sonar problems

My Garmin Sonar seems to be on the fritz all of the sudden. It was fine the other day now when I get into depth (105 plus) I have lost detail. (Same fishing spot as two days ago) I can just make out some bottom contour (in just red) but not like it should be marking with the reds, greens and yellows. Where did it go?? Then when I put in in gear (idle) I see even less, like I am running 35 knots. I am also getting these vertical "interference" bars evenly spaced scrolling across the screen. The numerical depth reading in the corner....gone it won't even read. I have been told maybe a ground or power issue. I checked all the connections in the console and everything "looks" ok. I know the transducer is "clicking". Can a transducer start going bad?? Can it start loosing transmitting power?? Whats up here....
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Old 06-23-2009, 02:49 PM   #2
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............ I know the transducer is "clicking". Can a transducer start going bad?? Can it start loosing transmitting power?? Whats up here....
What transducer and where and how is it mounted?

What happens when you shut the engine off?
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Old 06-23-2009, 08:29 PM   #3
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It is a Thru-Hull mount with a fairing block. It is and AirMar transducer. I don't know which model though it came with the boat I purchased. Connected to a Garmin 2010C.
Now that you mention it, I was turning the engines off to get a little better picture. So yes, the picture does improve slightly when I turn them off.....
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