Humminbird Fishfinder 570 Logo

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Anonymous Posted on Jan 02, 2012

Install fishfinder on triumph boat

Install fishfinder on triumph 170 fish

4 Related Answers

Anonymous

  • 3 Answers
  • Posted on Oct 03, 2008

SOURCE: Manual

Try Navman website here. http://www.navman.com/Navman/Templates/standardcontent____6268.aspx

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Anonymous

  • 1 Answer
  • Posted on May 24, 2009

SOURCE: need instructon manuals

Thanks I found copies on the net.

Donald B Stoll

  • 597 Answers
  • Posted on Jun 01, 2009

SOURCE: repeated transponder issues with the lowrance 320c fishfinder

Reading the manual it does say that there is a temperature range for these. I"m not sure where you live but it might be cold enough that it is damaging the transducer in the off winter months.

Anonymous

  • 12 Answers
  • Posted on May 23, 2011

SOURCE: When we are deep water

Im not familiar with your particular unit but you should be using a low frequency transducer for water over 500'; something like a 50 kHz transducer or a dual frequency transducer like a 50/200kHz for detail with the high freq. but increased depth range on the lower frequency. As far as setting it to 250 ft, you should be able to use the range feature and adjust the maximum to 250'. typically the factory default is automatic so it will caonstantly adjust the range based on the maximum current depth.

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My fishfinder will not continue to read shallow depths as well as in shallow depths when drifting and occasionally running across the water. My unit is a lowrance 522c color gps/fishfinder.

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/
1helpful
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Repeated transponder issues with the lowrance 320c fishfinder

Reading the manual it does say that there is a temperature range for these. I"m not sure where you live but it might be cold enough that it is damaging the transducer in the off winter months.
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False fish readings

False fish readings are commonly caused by electrical interference such as alternator noise, and by air bubbles flowing across transducer.

For starters make sure your fishfinder is on an independent circuit and not on one powered by your ignition switch. In other words, you should be able to turn your fishfinder on, even though the engine is turned off. Ideally the fishfinder should be wired directly to the battery with an in line fuse.

Try running the boat at a speed slightly higher than trolling speed, then kill the engine, as the boat slows down to trolling speed do you still see false echos? If yes then the problem probably lies with how the transducer is mounted, or where it is located on the hull.

If you don't see the false echos when the engine is off, it may be necessary to reroute the transducer cable to keep it away from the boat's ignition wires. You can get transducer extension cables if necessary. Also there are filters that you can buy that suppress alternator noise buy attaching between the battery and the engine.

Another common cause of false echos from electrical interference is a transducer cable that has been cut and spliced.

I hope this information helps. Please reply if you have any questions about my response.
Feb 25, 2008 • GPS
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