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garmin gps sounder 431s question


john1947

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hi

i bought this unit on ebay a few years ago.The unit will display sonar at the dock but it is erratic .I made all the updates .The transducer works fine on another umit so its not that.

Wondered if another had a simular issue.Be wary of buying on ebay for electronics.

Thanks

Happy New year everyone

john

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