Question about Lowrance Lms 520c 5" Screen Color External Gps And 200 Khz Sonar System

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I have a lowrance LMS 520c and I never pick up any fish. it does show the bottom

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  • 227 Answers

Read the book that came with it you got to understand how it works and know how to set your unit before you can understand how it works and what you need to do to make it work and to get to what settings you want ..a fish finder is like a computer you got to program it to your likings .. I have a hd 10 structure scan on mine .. .now that's a nightmare to set but the book tells you everything you need to do and how to do it and how to get what your looking for and how to get to it

Posted on Sep 05, 2014

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Posted on Jan 02, 2017

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SOURCE: I purchase a lowrance LMS-520C about 18 months

If your problem happens mostly in weedy area's, you should try downloading the latest version of software from the lowrance site. It's Ver 2.5.0. You also need to change your fishing mode to "shallow water". I experienced the problem as described on the site, and the download fixed it.

Hope this helps you.

Posted on Mar 14, 2010

  • 30 Answers

SOURCE: How do you get the fish to show up on the screen

Are you looking for the little fish symbols?
Press MENU, down arrow to SONAR FEATURES and press ENT. Arrow to FISH SYMBOLS and press ENT. Press EXIT twice. Any significant return in the water will now show up as a fish symbol.

Are you looking for the fish arches?
You won't get any arches unless the boat is moving and of course there are fish passing within the transducers signal. The shallower the water, the less area you are covering and less likely to get a fish return.

There is an OK guide to understanding what you see on the sonar screen at the link below. It if pretty technical but parts of it may help you out.

http://primus.lowrance.com/support/resultDisplay.do?gotoLink=5&docType=1000&contextId=351%3A5.47%2C11918.11930%2C22.47&clusterName=ClusterPublic&lang=english&docset=%2FDocuments%2FSonar&contentId=9de88fa2-0b60-4b44-a470-29ee14767b3e&responseId=135ccbe2cfd4f608%3A1fe88d%3A122773df7e0%3A7c2&groupId=4&answerGroup=1&score=981&page=http%3A%2F%2Fprimus.lowrance.com%2Ficr%2FSonar%2FChart+Tutorial.htm&result=0&excerpt=Chart+Tutorial+Deciphering+Sonar+Charts.&question=chart+tutorial&resultType=5000#Goto5

An X96 owners manual can be downloaded from http://www.lowrance.com/en/Downloads/Manuals/

Posted on Jul 14, 2009

  • 30 Answers

SOURCE: Lowrance Lms 522c 5" Screen Color Internal Gps And 200 Khz Sonar

If it is normal in deeper water, it is most likely just returning stuff in the water (debris, algae, anything floating around...choppy water can cause this). Try installing the latest updates from http://www.lowrance.com/en/Downloads/Product-Software-Updates/

If it doesn't help, adjusting the sensitivity or setting the SURFACE CLARITY option from the SONAR FEATURES menu to LOW, MEDIUM, or HIGH...whichever gives the best results.

Posted on Jul 14, 2009

gopakumarg43
  • 74383 Answers

SOURCE: i have a lowrance 520c

Hello
If you have changed several settings and wants ot return the unit to basic automatic operation:
* Press "Menu ' Menu ' (down arrow) to System Setup ' End ' (down arrow) to Reset Options ' End.
** Press ( Try these. There is no other adjustments can or should be done to this unit. OK.

Posted on Jun 16, 2011

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