Question about Garmin GPSMAP 492 GPS Receiver

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When turning on my garmin gpsmap 492, cant see my readings cause from moisture in the screen what is the best solition

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 317 Answers

SOURCE: gpsmap 180 firmware corrupt

It sounds like it has lost its memory battery. Usually you
would get a "memory battery low" message as it is on its
way out but you don't mention that so perhaps it has
completely failed.

The battery is rechargeable - if you leave it switched off
and loaded with a fresh set of alkalines for a few days it
may recover. If not contact Garmin as they have replaced
many memory batteries free of charge even out of warranty.

Posted on Nov 01, 2007

  • 1 Answer

SOURCE: Garmin GPSmap 76 not acquiring satellites

You need to do an auto locate. This also corrects your time issues (wrong date and/or time will be corrected. To do an auto locate do the following.

  1. Start with the unit turned off.
  2. If you have a GPSMAP 76, GPSMAP 76C, or GPSMAP 76S, hold down the Page button. If you have a GPSMAP 76CSx or GPSMAP 76Cx, hold down the Zoom Out button.
  3. While holding down the first button (Page or Zoom Out), press and hold the Power button.
  4. Continue to hold the two buttons until the Satellite page displays. You can then then let go of the buttons.
  5. Finally, let the unit sit outside with a clear view of the sky. Allow about 20-40 minutes for the unit to acquire satellites.

Posted on Nov 24, 2008

  • 1 Answer

SOURCE: GPSMap 172c Can not read Garmin Data Card

I have the Sounder 178C. It will only work with 128 Mb Cards (or smaller). It does not work with the 256Mb Cards - says "Reading Card" forever.

Per Gramin, I had to buy the 128 Mb card and DVD map update. Then program the card with a USB data programmer to make it work.

Posted on Aug 12, 2009

  • 638 Answers

SOURCE: would like to buy a garmin gpsmap 178/178c owners manual

Contact Garmin and they will sell you one.

Posted on Apr 15, 2010

  • 1 Answer

SOURCE: My Garmin GPSMAP 178C screen backlight failed

Backlight problem: Remove the display, remove the light tube from behind the LCD. Buy a led panel from Ebay for around $5 and install it behind the LCD under the drfusing layers. Run the wires out to a 12 VDC source and there you have it.

Posted on Sep 15, 2011

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1 Answer

M'y Garmin 492 shuts off after 2 or 3 minutes.Any suggestions


Have you checked the battery? You can have the battery checked for free at any Interstate battery outlet.

Jul 01, 2015 | Garmin GPSMAP 492 GPS Receiver

1 Answer

Gpsmap 180 firmware corrupt


It sounds like it has lost its memory battery. Usually you
would get a "memory battery low" message as it is on its
way out but you don't mention that so perhaps it has
completely failed.

The battery is rechargeable - if you leave it switched off
and loaded with a fresh set of alkalines for a few days it
may recover. If not contact Garmin as they have replaced
many memory batteries free of charge even out of warranty.

Oct 30, 2007 | Garmin GPSMAP 430 GPS Receiver

Tip

How to Upgrade and Fix your Garmin GPSMAP 545s System Software


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Does your Garmin GPSMAP 545s freeze up?
Is the screen stuck, or do you loose satellite coverage?

I recommend upgrading the system software of your Garmin 545s. There may not be physical damage to your unit, and it may be completely revitalized by replacing the GPSMAP software with the latest version 5.30 (as of January 7, 2010).

  1. Click on "Download" and choose to save the file to your computer.
  2. Choose a location where you can easily find the file, such as the 'My Documents' folder or 'C:\'.
  3. Once the download is complete, go to the location where you saved the file.
  4. Double-click on the downloaded file. This will automatically extract the files to C:\Garmin and run a program to transfer the software update to an SD card.
  5. Load the SD card into your GPSMAP 545s and turn it on to replace the system software of your unit.
I hope that helps.

on Jan 31, 2010 | Garmin GPSMAP 545s GPS Receiver

1 Answer

Garmin GPSMAP 178C not boot


can we download india map?if tell me how to download and install the map in my device Gm4300?

Nov 20, 2013 | Garmin GPSMAP 178C Sounder GPS Receiver

1 Answer

GPSMap 172c Can not read Garmin Data Card


I have the Sounder 178C. It will only work with 128 Mb Cards (or smaller). It does not work with the 256Mb Cards - says "Reading Card" forever.

Per Gramin, I had to buy the 128 Mb card and DVD map update. Then program the card with a USB data programmer to make it work.

May 01, 2009 | Garmin GPSMAP 172C GPS Receiver

1 Answer

GPSMAP 60CSx


You can't turn the navigation back on with this method. You must once again highlight the waypoint you want to navigate to in your Fine>Waypoints screen and then press the "Go to" highlighted button on the screen.

Jun 25, 2008 | Garmin GPSMAP 60CS GPS Receiver

3 Answers

GPS screen went blank


My problem exactly. Unit would start up, acquire satellites, then the screen would go blank with a single vertical line. Unit would not respond to buttons or even turn off. Unit works fine after I did the reset:

- w/unit OFF, press and hold QUIT+DOWN+MENU
- press and release the power button, release DOWN, keep holding QUIT+MENU for 5 seconds.
- unit prompts something like: "erase all data;" choose yes.
- you will lose waypoints, etc.

Go to the Garmin support area for details.

http://www.garmin.com/garmin/cms/site/us/support/searchsupport

Search for: "How do I reset my gpsmap 76"

Oct 06, 2007 | Garmin GPSMAP 76 GPS Receiver

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