Try to troubleshoot you can find more video on youtube. other reason may be faulty battery need to update just try
SOURCE: Transducer for LOwrance HDS-5
is the HST-DFSBL lowrence transduser combatible whith HDS-5 unit?
SOURCE: The gps looses satellite reception. Repositioning
DIY is risky in this situation, besides there is 3 months warranty by Garmin on their interventions I would suggest you get it done by the professionals
SOURCE: my fishfinder will not continue
Hello. Your observation is spot on and it is actually a characteristic that is always true when using sonar. Yes, your Lowrance uses the same sonar as a nuclear powered submarine does. The two factors you focus on, water depth and boat speed are perhaps, the two biggest factors when it comes to the quality of the fishfinder. The boat's engine should be in gear at an idle or just above. Experiment with your boat to find the best throttle location for good arches. Usually, a slow trolling speed works best. The depth of the fish can determine if the fish will arch on the screen. If the fish is in shallow water, the fish is not in the cone angle very long, making it difficult to show an arch. Typically, the deeper the fish, the easier it is to show an arch.
If you would like a complete tutorial on Lowrance sonar, go to this link. Enjoy. http://www.lowrance.com/Support/Tips-and-Tutorials/Sonar-Tutorial/
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