Question about JRC 1800CP GPS Receiver
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Posted on Jan 02, 2017
perhaps someone has messed with your sounder settings. You may want to factory reset the sounder from within one of the menus in your navnet. Also you may have a transducer going bad. Did you hit anything with it or run aground once? Maybe someone painted over the face of the transducer with bottom paint. There's alot of things that can cause this to happen. It would be best to have the sounder checked out before you do anything to the ducer. Remove your navnet and sounder and take it to a dealer to test on the bench. If you're in the maryland area, Mid-shore Electronics and handle this for you. Even if you're not, you can send the units to them.
Posted on Feb 01, 2010
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