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Question About Navman Fish Finder 4100
My navman 4100 reads 429ft when is water only 4ft ...

My navman 4100 reads 429ft when is water only 4ft deep why? Very erratic readings from zero to 100's of feet deep.

Asked by Roger on 07/04/2011 1  Answer

ManualsOnline posted an answer 13 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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