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GARMIN eTrex Venture Cx Firmware Upgrades

Firmware: V3.40 - V3.30 - V3.20 - V3.10 - V3.00 - V2.90 - V2.80 - V2.70 - V2.60 - V2.50 - V2.40 - V2.30

The following lists of changes are based on information provided by GARMIN. Changes or improvements which we consider important or especially useful are shown highlighted.

To view the current firmware version, complete the following steps:

  1. Press the Menu key twice until you see the Main Menu screen.
  2. Select "Setup" and press the click stick.
  3. Select "System" and press the click stick.
  4. Press the Menu key.
  5. Select "Software Version" and press the click stick.
  6. The current firmware version will be displayed on the screen.
  7. Press the click stick to quit the screen.

Each upgrade replaces the complete firmware in the GPS, which means you need to install only the version you wish to apply. There is no need to install any previous versions.


Changes made from version 3.30 to 3.40: (released 12/03/2009)

  1. Fix tracks snap to roads issue when 'Lock On Road' is off.
  2. Fix minutes to hours roll over issue.

Firmware Upgrade V3.40 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 3.20 to 3.30:

  1. Correct disorderly waypoint data index in previous version.

Firmware Upgrade V3.30 (not available for download)

To table of contents


Changes made from version 3.10 to 3.20: (released 08/28/2009)

  1. Fix potential lock up when SD card installed.
  2. Fix the contour data intermittently drawing over interstates of Topo Map.
  3. Improve the blue shading color when using the setting 'Marine colors' in Daytime display mode.
  4. Fix incorrect highlight index at unit field in 'Area Calculation' page after select reset in menu.

Firmware Upgrade V3.20 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 3.00 to 3.10:

  1. Add support for maps greater than 2 GB.
  2. Increase precision of user grid input field.
  3. Disable the calculation message when GPS is off.

Firmware Upgrade V3.10 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 2.90 to 3.00: (released 05/22/2008)

  1. Fix Marine map POI issue.

Firmware Upgrade V3.00 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 2.80 to 2.90: (released 01/31/2008)

  1. Correct German translation of 'delete all waypoints'.
  2. Fix data card unlock failure when 2 cards of the same map set are used in one device.
  3. Improve sun times for polar regions.
  4. Fix issue where ETA in non motor vehicle modes can be unreasonably short.
  5. Increase precision of distance measurement to the cursor on the map page.
  6. Allow backlight adjustment on the track back point selection page.
  7. Fix shutdown when editing Estonian Grid coordinates.
  8. Correct daylight saving time for New Zealand.
  9. Improve selection of the names of cross roads with NT maps.
  10. Correct potential shutdown when viewing a vertical profile.
  11. Correct European word translation of 'Find' and 'Mark'.
  12. Support multiple languages in American version.

Firmware Upgrade V2.90 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 2.70 to 2.80: (released 09/03/2007)

  1. Fix potential shutdown when searching UK extended postal codes.
  2. Ensure that all UK extended postal code search results are shown.
  3. Enable the Quit button function on the geocache compass page.
  4. Change number of lines of text in the address field on map feature review page from 4 to 6.
  5. Improve robustness when recovering from a partial map load.
  6. Added better compatibility with Mac computers in USB mass storage mode.
  7. Improved pedestrian route calculation for shortest distance method.
  8. Added ability to recalculate a direct goto route.
  9. Fix issue where MPC maps (MapSource Custom maps) could potentially cause a shutdown.
  10. Address issue where nearest points search would skip some points.
  11. Changed datum used in the SWEREF 99TM grid to GRS80.
  12. Changed datum used in the Estonian grid to GRS80.
  13. Correct the Swiss grid calculation.
  14. Fix potential shutdown when using TOPO West 1999.
  15. Fix potential shutdown on track setup for data card when track log files have long file names.
  16. Corrected French translation for 'Log track points'.
  17. Improved promptness of the turn review page.
  18. Fix potential shutdown when propagating in a cul-de-sac across a map boundary.
  19. Added more time zones.
  20. Add A905/D900 unlock code communication protocol.
  21. Make route recalculation on MPC maps (MapSource Custom maps) behave like City Navigator maps.
  22. Remove lithium ion as a battery choice.

Firmware Upgrade V2.80 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 2.60 to 2.70: (released 04/28/2007)

  1. Updated daylight saving time dates.
  2. Add capability for 2 wide data fields on map, compass, and highway pages.
  3. Add capability for 1 wide data fields on map page.
  4. Add data card information page. (main menu -> system -> menu key)
  5. Add selectable alarms for proximity waypoints and custom POI.
  6. Improve labeling and scanning of custom POI on the map page.
  7. Add capability to see vertical profile of an autoroute using DEM topo data.
  8. Fixed issue with incorrect dates showing when editing the data field for Sun & Moon page and Hunt & Fish page.
  9. Fixed issue where invalid find menu options could show when using the Auto Order feature.
  10. Fixed issue where route names would be converted to upper case during editing.
  11. Fixed issue where invalid related software can be selected when using the WebUpdater.
  12. Fixed issue where keyboard characters won't update when editing the Welcome message.

Firmware Upgrade V2.70 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 2.50 to 2.60: (released 09/12/2006)

  1. Fixed problem of shutdown when viewing map Topo Great Britain v2.
  2. Improved drawing of lines for MPC maps (MapSource Custom maps).
  3. Reduced variation in battery gauge indicator.
  4. Fixed display scrolling issues when searching for roads.

Firmware Upgrade V2.60 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 2.40 to 2.50: (released 06/08/2006)

  1. Add ability to put unit into USB mass storage mode via the interface setup page to facilitate copying track files from data card to PC.
  2. Improved the stability of MicroSD card data read and write.

Firmware Upgrade V2.50 (Self-extracting ZIP-file, requires a PC and a connection cable, 2.0 MB)

To table of contents


Changes made from version 2.30 to 2.40: (released 05/03/2006)

  1. Improve path nighttime color for map Topo Great Britian v2.
  2. Add feature to save active track log to file on data card.
  3. Enhance layout and functionality of tide station chart information.
  4. Add new time zones for major cities in the U.S. and Europe.
  5. Fix UTC offset for Las Vegas time zone.
  6. Improve reset function of timer lap distance.

Firmware Upgrade V2.40 (not available for download)

To table of contents


Changes made from version 2.20 to 2.30:

  1. Improve stability of unit after loading a large map set.
  2. Increase loadable maps to 2025.
  3. Enhance visibility of paths in map Topo Great Britian v2.

Firmware Upgrade V2.30 (not available for download)

To table of contents


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