Question about Garmin GPSMAP 172 GPS Receiver

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Garmin 178c map system. sonar stopped working. Chart plotter says sonar turned off. Sonar unit is getting power and blinking red.

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  • 2 Answers

SOURCE: Sonar Problem

Try a soft reset first, if that doesn't correct it try a hard reset. BE SURE and Save Data before th eHard Reset, it clears all waypoints and such.

Soft Reset Hard Reset

LCX 15mt Reset 1. Turn unit OFF 1. Turn unit OFF 2. Press and hold the PAGES key 2. Press and hold the ZIN&ZOUT Keys at the same time 3. Press and hold the PWR key 3. Press and hold the PWR key 4. Release both buttons when the USA map appears 4. Release both buttons when the USA map appears

Posted on Aug 29, 2008

  • 1584 Answers

SOURCE: garmin 178c turns off on it's own.

Hi

Sounds very much like the wiring plug connections in the back, always overlooked but so important that connections are tight and contacting.

Posted on Aug 13, 2009

MarineTech1
  • 76 Answers

SOURCE: I have a garmin gpsmap 440s that will only read

Sounds like the transducer is installed at the wrong angle or in such a way that it is getting a lot of air from something on the hull. If it is a transom mount, check that it is angled correctly and not too close to the motor or aft of some kind of thru-hull fitting that will cause turbulence.

Posted on Aug 22, 2009

pabloloco
  • 2335 Answers

SOURCE: GPS operation freeze up

Upgrading the system software of your GPSMAP 545s will most likely fix your freezing up problem.

I hope that helps.

Posted on Jan 31, 2010

Ironfist109
  • 3018 Answers

SOURCE: I have a Garmin 182c

If you nicked it good enough yes it can. If the receiver doesn't detect the transducer, a digital message on the display will indicate this.




Posted on Mar 18, 2011

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1 Answer

How do i find water depth


Water depth should show automatically on your sonar page.
if it does not then either you have selected "stop sonar" under your sonar options or you have opted to turn off the depth displayou so the numbers don't show up.
if you areally viewing your GPS or split screen sonar/GPS page, sometimes the depth display is not visible on these pages unless you specifically instruct the unit to display it.
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Check the mounting location, check the cord connections, make sure the ducer is actually clicking when it is not working, otherwise either the unit or the ducer is going bad

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1 Answer

My GSD 21 is mated to a Garmin 3210. Bought both componants new. Every single year since new it works 2-3 trips. Then just doesn't come on. Have to send it back to garmin who so far have waranted...


The GSD 22 is discontinued. I would not buy any electronics that are discontinued, because there has to be a reason.

If I were in your shoes I would be looking a full change to either the brand leaders, Raymarine or Humminbird. I have had Humminbird since 2007 with a 798SI and since 2014 with a 998SI HD. 100% reliable for GPS and depth. Boat used twice a week May to October. The 998 has features to set a chart course and I do that when coming from Toronto to Port Credit. Humminbird also do full chart plotters, but in Georgian Bay, I wouldn't have thought necessary unless you use an auto-pilot. Uses Blue Chart maps.

You aren't the only one to have problems. Read the link below.

I did find this thought and there are others in the thread
http://www.thehulltruth.com/marine-electronics-forum/146766-installer-i-stumped-garmin-problem.html

Make certain that the transducer(s) cable is separated from any engine power cables. When those wires cross or are bundled together, the highly sensitive sonar signal gets polluted with high amp noise bleeding off the engine wires, and you're lucky to get any signal.
To test if this is the problem, shut your engines off and see if you get a good sonar view. Then start the engines and see if the same sonar quality is displayed. If it degrades, you've got the current bleeding problem.
I had this problem when I installed the new gear (Furuno 585, Airmar b60) and ended up re-routing the transducer cable using some "wire hangers" to keep the transducer cable away from the others. Now I get a firm fix on the bottom at all speeds and the only time the display gets lost is when I reverse the starboard engine, from air bubbles under the thru-hull.


GSD 21 with 3210 problems - Google Search

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1 Answer

Display reads sonar timed out


check the battery voltage as low voltage can cause the unit to display errors and prevent the sonar from starting up. This unit is more sensitive to low voltage than many other electronics. If charging the battery or replacing it with a known good battery doesn't work then contact garmin for a replacement of your fishfinder.

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1 Answer

Hi,when i switch on my lms-332c the map does not come up on the screen.If I remove and replace the map card it works perfectly. Can I fix this? regards nigel


I am guessing that the card you are using is a NAVIONICS chart? There have been some Lowrance units that were made around the same time that have had problems recognizing a Navionics chart right from power up.

Make sure the LMS-332 has the latest firmware version which can be downloaded from http://www.lowrance.com/en/Products/Marine/Full-Size-SonarGPS-Chartplotter-Combos/LMS-332C/Downloads/LMS-332C-Software-Update/

If the update doesn't help, this is going to be a compatibility problem with the LMS-332 and that particular card. You will need to replace the card or upgrade to a newer unit...but probably can just get used to removing and replacing the card when you turn the unit on.

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1 Answer

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HAI,SONAR 6 SOAFTWARE WORKING PROPERLY IN THE MIDDLE IT'S NOT WORK OR FIRST YOU HAVE INSTALL THE SOAFWARE THAT TIME WILL NOT WORK.ANY WAY UNINSTAL SONAR AND REINSTAL IT'S WORK FINE.
UNINSTAL :
START>CONTROL PANNEL>ADD REMOVE PROGRAMS>SONAR>REMOVE.
RE-INSTAL :
DOUBLE CLICK FOR EXE SETUP PROGRAM FOR SONAR>SELECT TARGET AREA(DEFAULT C:\)>FINISH.
RESTART SYSTEM AND USE SONAR.

Jul 05, 2008 | Computers & Internet

1 Answer

Sonar Problem


Try a soft reset first, if that doesn't correct it try a hard reset. BE SURE and Save Data before th eHard Reset, it clears all waypoints and such.

Soft Reset Hard Reset

LCX 15mt Reset 1. Turn unit OFF 1. Turn unit OFF 2. Press and hold the PAGES key 2. Press and hold the ZIN&ZOUT Keys at the same time 3. Press and hold the PWR key 3. Press and hold the PWR key 4. Release both buttons when the USA map appears 4. Release both buttons when the USA map appears

Jun 26, 2007 | Lowrance LC X-15MT Sonar

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