Show less Show more. WebUpdater can be used with the USB versions of this product. Title, ownership rights, and intellectual property rights in and to the Software remain in Garmin. A browser window will open and default to the folder C: Skip to main content.

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Updates & Downloads

Fixed automatic velocity filtering. The lowest-priced brand-new, unused, unopened, undamaged item in its original packaging where packaging is applicable.

A browser window will open and default to the folder C: Garmin Corporation “Garmin” grants you a limited, non-exclusive gar,in to use the upgrade software “Software” in binary executable form in the normal operation of the applicable Garmin products. You can update the software of this Garmin Automotive GPS Receiver, thanks to the flash based programming of this Garmin satellite receiver. Improved NMEA output timing stability.

Highlight the Garmin model with the index Improved binary phase output and mode switching reliability. The correct gpz18x file will be named XXX. Warning This software should only be uploaded to the unit for which it is intended.


Select the appropriate serial port and click ‘OK’ to begin the software upload. Additional Product Features User Interface.

Interfacing with Garmin GPS18x LVC

Title, ownership rights, and intellectual property rights in and to the Software remain in Garmin. By downloading, installing, or using this software, you agree to be bound by the terms and conditions of the following license agreement.

Garmin eTrex 10 Handheld You further acknowledge that the structure, organization, and code of the Software are valuable trade secrets of Garmin and that the Software in source code form remains a valuable trade secret of Garmin.

Power up the unit. These worked great in my application.

Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. You may now browse for the correct region file to upload. Unit worked as described.

For fast and accurate positioning and velocity estimates, this Garmin satellite receiver takes information from multiple satellites.

Garmin: GPS 18x PC/LVC Updates & Downloads

These upgrades are specific to the specific GPS units and software versions listed. Select region file and click ‘Open’. The unit may already be in Garmin update mode.


It is recommended that you unzip the files to the default location of C: The update program will not find the GPS 18x and will fail. You acknowledge that this Software is the property of Garmin and is protected under United States of America copyright laws and international copyright treaties. This license is personal to you and you may make copies of the software only for your personal use.

Garmin GPS 18X Automotive Mountable

Verify the serial connections, cycle power on the unit, and try again. If you unzipped the files to C: Proceed to step c. Changed default RTCM baud rate to We’ve built this into hundreds of final products with very few issues. Read full review Verified purchase: The long term stability of the 1pps is perfect. Added map unlock support.