Question about Garmin GPSMAP 378 GPS Receiver

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Garmin gpsmap 378 swivel mount

Has me baffled. The circular part on the bottom should swivel, but I can't figure out how. I can get it to pitch and roll, but I' can't figure out how to make the bottom yaw.

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You have to unscrew the big lockwheel halfway, then push down on it, which will push the swivel mount bracket out so you can remove it and mount it on your boat.

Posted on May 06, 2008

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How to replace garmin data card with a sd card


As far as I know it is not possible.
http://www.advrider.com/forums/showthread.php?t=263745
However, the russians have figured out how to make a 2GB Garmin Data card:
http://www.poi-factory.com/node/37657

Jul 20, 2014 | Garmin GPSMAP 178C Sounder GPS Receiver

Tip

How to Download your Garmin GPSMAP 545 / 545s Users Guide


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Have you lost your User's Manual for your Garmin GPSMAP 545 or 545s?
Would you like a digital copy for easy searching of terms and quick reference?

The GPSMAP 545 owner's manual is available from Garmin here.

I hope that helps.

on Jan 31, 2010 | Garmin GPSMAP 545s 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

I have a garmin gpsmap 440s that will only read sonar depths a no wake speed. When I increase speed much past this the depth number blinks but does not track or change until I slow back down to idle again....


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.

Aug 18, 2009 | Garmin GPSMAP 440 Chartplotter GPS with...

1 Answer

Inaccurate Garmin GPS


Have you enabled the 'WAAS' option?
This improves accuracy greatly

Jan 19, 2009 | Garmin GPSMAP 295 GPS Receiver

1 Answer

Can not updait a GARMIN GPSMAP 60CSx


Try http://brilliantcorners.org/nodes/87-fixing-a-dead-garmin-gpsmap-60csx. It has helped many people. Complete steps to fix a dead Garmin are listed there.

Dec 31, 2008 | Garmin GPSMAP 60CSx GPS Receiver

1 Answer

Sonar not working properly, intermittent


Generally, that indicates air bubbles in the water under the transducer. If you have a transom-mount transducer, make sure the bottom surface is level or angled slightly down. If you have a thru-hull, make sure your bottom is fairly clean in that area.

Oct 20, 2008 | Garmin GPSMAP 440 Chartplotter GPS with...

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