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Question About Humminbird Fish Finder 561
Why does the depth work then after awhile the alar...

Why does the depth work then after awhile the alarm sounds and displays 1.5 inches when we know it is a lot deeper? We have tried to turn the unit off and back on again only to have the same problem.

Asked by Vicki on 07/25/2014 1  Answer

ManualsOnline posted an answer 10 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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