Firmware

Firmware Installation

Garmin Express

Firmware updates, map updates, device backups and other optional software improvements for your Garmin GPSr can all be managed with the Garmin Express application. Versions for both PC and Mac are available in Software.

• Connect the GPSr via USB and enter Mass Storage Mode.
• Open the Garmin Express application and choose your device from the menu.
• Select desired updates and follow the prompts as directed to complete available updates.
  
  

WebUpdater

The Garmin WebUpdater program can also find and install updates available for your Garmin GPSr. Versions for both PC and Mac are available in Software.

• Connect your Garmin GPSr via USB and enter Mass Storage Mode.
• Drag and Drop the desired update file to the WebUpdater application, or
• Run the WebUpdater application and select your device from the menu.
• Follow the prompts to keep your GPSr updated.

GPSMAP 276Cx (2479) Firmware Update History

System Requirements:

• IBM-compatible PC running Windows 2000 or later operating system and an available USB port.
  
  

Notes:

• WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
• If attempts to upload software fail, you may need to return the device to Garmin for service.
  
  

Change History:

Changes made from version 5.80 to 5.90:

• Not Published
• Available only via Garmin Express

Changes made from version 5.70 to 5.80:

• Fixed issue drawing color indicators in the track list.
• Fixed map heading responsiveness at low speeds.

Changes made from version 5.50 to 5.70:

• Added missing underscore character to keyboard.
• Added indicator in the track list to show which ones are shown on map.
• Fixed potential issue with prompted routing settings.
• Fixed issue where you could not rename tracks.

Changes made from version 5.40 to 5.50:

• Fixed an issue where the plot type for altimeter setup could not be changed.
• Fixed an issue when saving a projected waypoint.
• Fixed an issue where certain voice navigation languages would not speak.
• Fixed an issue where the device would sometimes freeze when connected to USB.
• Fixed an issue where calories would not count.
• Fixed an issue with prompt message when GPS signal is not detected.

Changes made from version 5.10 to 5.40:

• Fixed ANT setup page display issue.
• Fixed issue where the navigate option was showing incorrectly on the archived tracks tab.
• Added abbreviated German Translations.

Changes made from version 4.80 to 5.10:

• Fixed possible issue when disconnecting from a Bluetooth audio device.
• Fixed possible issue when using waypoint categories.
• Fixed possible unit shutdown when searching near current route.
• Fixed possible unit shutdown in address search.

Changes made from version 4.60 to 4.80:

• Fixed possible issue where device would shutdown when changing GPS source.
• Improvements for the display of Arabic and Russian languages.

Changes made from version 4.30 to 4.60:

• Added search by symbol for waypoints.
• Added G3 marine map support.
• Fixed issue causing weather map to not update.
• Fixed display issue with waypoints.
• Fixed display issue with user timer.

Changes made from version 4.00 to 4.30:

• Fixed custom POI alerts.
• Fixed issue causing weather map UI slowness.
• Fixed issue where some highway and freeway map labels were being cut off.
• Fixed potential issue were depth contour labels would not draw.
• Improved spell search for user points.

Changes made from version 3.80 to 4.00:

• Fixed issue where the course line would always appear on the map.
• Fixed possible issue where waypoints marked on the map page wouldn't have elevation.
• Fixed possible freeze during route calculation.
• Fixed reviewing GPIs.
• Fixed issue where some units could not calibrate the compass.

Changes made from version 3.70 to 3.80:

• Added support for Garmin HuntView Plus.
• Fixed possible shutdown while searching for points in Slovakian.

Changes made from version 3.60 to 3.70:

• Fixed issue where certain Bluetooth headsets could not pair.
• Fixed issue where month names were not shown in some languages.

Changes made from version 3.50 to 3.60:

• Fixed issue where certain Bluetooth headsets could not pair.
• Fixed issue where month names were not shown in some languages.

Changes made from version 3.40 to 3.50:

• Fixed issue where the Automotive mode data fields would be shown after power up while in Marine mode.
• Fixed issue on 'Currents' chart where 'ft' was sometimes the y-axis units which should always be a velocity.
• Fixed issue where the flash count wasn't being shown on the review page for buoys.
• Fixed issue where searching for address by State, Street Number, and Street Name would not always find the address.

Changes made from version 3.30 to 3.40:

• Fixed issue where Currents chart would show incorrect data.

Changes made from version 3.20 to 3.30:

• Fixed issue where data fields would not update correctly on the compass page.

Changes made from version 3.00 to 3.20:

• Fixed issue where waypoints were being drawn incorrectly on the map.
• Fixed issue where selecing an intersection on the map would not transition to the correct view.
• Fixed issue where course and bearing line could not be configured separately in Map Setup.

Changes made from version 2.80 to 3.00:

• Added automatic transition to the map page when the device gets a GPS fix if no buttons have been pressed.
• Fixed issue where selecting direct routes with more than 50 waypoints did not work.
• Fixed issues with marine current station information.
• Fixed waypoint category filtering on the map.
• Fixed issue where new user waypoints would not be assigned the default category.

Changes made from version 2.70 to 2.80:

• Fixed issue with saved tracks with more than 16,000 points.
• Fixed possible shutdown when using highway page.
• Fixed pointer field not displaying on the map overlay.
• Fixed possible shutdown when using voice navigation in the automotive mount.
• Fixed issue where Avoidance Setup was available when the Routing Activity is set to Prompted.
• Prompted routing will use the avoidance settings for the activity selected after being prompted.

Changes made from version 2.60 to 2.70:

• Fixed issue where POIs would not show up in Find Extras when loading using Garmin POI loader.
• Fixed issue where deleting archived tracks would not work.
• Fixed smart notification messages being cut off in the notification list.
• Fixed issues with route creation from the map.
• Improved route calculation time on the map.

Changes made from version 2.50 to 2.60:

• Improved marine map support.
• Improved route calculation times.
• Fixed issue where tracks were not shown on the map when activated via the NAV button.
• Fixed possible freeze when searching for POI 'Food and Drink'.
• Fixed issue where activating a route while in Marine mode would automatically switch to Automotive mode.
• Fixed intermittent issue where selecting 'Hide/Show Heading Line' on the map would not work.
• Fixed possible shutdown on the Active Route page.
• Fixed possible issue where routes would remain on the map after being deleted.

Changes made from version 2.40 to 2.50:

• Improved marine map support.
• Fixed issue where the active route would not recalculate correctly if route avoidance settings were changed.
• Fixed possible issue where voice prompts could not be heard when using headphones.

Changes made from version 2.30 to 2.40:

• Fixed possible freeze when ejecting the unit from mass storage.
• Fixed possible shutdown on the GPS page with low battery.
• Fixed routing for routes that include shaping points.