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  Echosounder Stops Working at Boat Speed of 12-Nautical Miles Per Hour

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Author Topic:   Echosounder Stops Working at Boat Speed of 12-Nautical Miles Per Hour
burlsube posted 08-02-2011 11:54 AM ET (US)   Profile for burlsube   Send Email to burlsube  
I have a Garmin echosounder with transom mounted transducer. I have noticed that the echosounder stops giving me accurate depths when I'm traveling over 12-nautical miles per hour. Garmin tech support wasn't much help. I have cleaned the [transducer] and confirmed that I have the latest firmware. [Begins a survey to see if other users of Garmin echosounders are limited to 12-nautical miles per hour or the echosounder stops functioning.
Tom W Clark posted 08-02-2011 03:06 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
It's the transducer mounting. Make sure it is angled a wee bit forward to ensure a smooth flow of water over the face of it.
burlsube posted 08-03-2011 09:17 AM ET (US)     Profile for burlsube  Send Email to burlsube     
Thanks Tom. What do you mean by move it forward? The transducer can move, but the bracket is mounted.


Which way should the transducer be moved? Up towards the sky or down to the water. Currently it is dead level.

bluewaterpirate posted 08-03-2011 11:26 AM ET (US)     Profile for bluewaterpirate  Send Email to bluewaterpirate     
Angle it down about 4 degrees.

http://i676.photobucket.com/albums/vv129/bluewaterpirate/Sternmate/P58. jpg?t=1311857092

Tom

jimh posted 08-03-2011 10:32 PM ET (US)     Profile for jimh  Send Email to jimh     
I am very surprised that GARMIN technical support could not offer any advice on this problem. The most likely cause of loss of echosounder function at higher boats speeds is the location and mounting of the transducer.

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