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

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

1. Turn on the GPS.
2. Touch "Tools".
3. Touch "Settings".
4. Touch "System".
5. Touch "About"
6. The system will display the firmware version in the second top row on the right hand side ("Software Version"), the unit ID is shown on the left hand side.
7. Touch "Back" to return to the previous page.

An update with Web-Updater installs the latest version of the firmware on the GPS and requires an Internet connection. You may install additional software components, such as language files, if available. If there are maps installed on the GPS, these maps will not be updated.

Changes made from version 4.60 to 4.70:

1. Fixed an error that caused the device to shutdown when using myTrends.
2. Added support for a new OEM mount.

Firmware Upgrade V4.70 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 4.50 to 4.60:

1. Fixed an error that sometimes caused map updates to not work properly.

Firmware Upgrade V4.60 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 4.30 to 4.50:

1. Added the ability to import .GPX route files for use in Trip Planner.
2. Improved the data transfer speed from a PC to the device SD card over a USB cable.
3. Fixed a WebUpdater error that caused incomplete software updates to be reported as complete.
4. Fixed an error that caused the device not to exit sleep mode properly.
5. Fixed an error that affected route calculation with 2011.10 maps.
6. Fixed a Trip Planner routing error.
7. Fixed an error the caused the German voice to skip while giving directions.
8. Fixed an error that caused the World Clock to display a future date.
9. Fixed an error that caused the QWERTY keyboard to appear when the numeric keyboard should have appeared.
10. Set device to switch to night mode while in tunnels.
11. Brightness now changes gradually between day and night in Auto mode.

Firmware Upgrade V4.50 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 4.20 to 4.30:

1. Fixed an error that disabled traffic on OEM units.

Firmware Upgrade V4.30 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 4.10 to 4.20:

1. Fixed an error that caused Junction View to show up only once during a route.
2. Fixed an error that caused the device to crash at random times.

Firmware Upgrade V4.20 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 4.00 to 4.10:

1. Added split-screen Junction View support.
2. Added Greek voice support.
3. Made several map-drawing improvements.
4. Improved calculation speed for long routes.
5. Fixed several navigation issues.
6. Fixed several Junction View issues.
7. Fixed a Bluetooth error that caused the navigation voice to remain audible when the unit was muted.
8. Fixed a Trip Planner error.
9. Reduced the time to display the keyboard for Address searches.

Firmware Upgrade V4.10 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 3.90 to 4.00:

1. Fixed a shutdown that occurs while displaying some map features.
2. Corrected a Sigma-character display error in Greek.
3. Corrected language translation errors.

Firmware Upgrade V4.00 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 3.60 to 3.90:

1. Improved map drawing.
2. Enhanced Bluetooth audio quality.
3. Corrected issues with Language Guide.
4. Added building footprints for supported maps.
5. Corrected Language Translations.

Firmware Upgrade V3.90 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 2.50 to 3.60:

1. Added support for the ecoRoute HD accessory, see detailed description.
2. Added Garmin Language Guide support.
3. Improved Language Translations.
4. Improved reliability of sleep/wake operations.
5. Improved myTrends route calculations to incorporate driving history and road preferences.
6. Added Loc8 Postal Code functionality for Ireland.
7. Added support for Arabic text to speech voice guidance.
8. Added support for Trams, Ferries, and Trolleys in Pedestrian Navigation.
9. Added support for the US National Grid.
10. Added Multiple Route Preview. The user can preview a route calculated with Faster Time, Shortest Distance, and Less Fuel then select the preferred route.
11. Added support for Mobile Safety Cameras via RDS-TMC in Russia.
12. Various bug fixes and improvements.

Firmware Upgrade V3.60 (Please use Web-Updater to install the latest firmware)

To table of contents

Changes made from version 2.20 to 2.50:

1. Fixed an issue that could cause a hourglass to display indefinitely during an address search.
2. Fixed an issue that could cause a shutdown if viewing the Trip Planner page at the exact second that the trip is scheduled to begin.
3. Fixed a potential shutdown when viewing the Where Am I page in certain countries.
4. Fixed an issue that could cause the unit to get stuck in the Voice Command interface.
5. Fixed a potential lockup when retrieving advertisement data.
6. Fixed an issue that could cause a unit to remain stuck on the Loading Maps screen.
7. Fixed an issue with the dial tone not using the correct volume level.
8. Fixed an issue that could make the Touchscreen unresponsive after resuming.
9. Fixed an issue that caused End User License Agreements to incorrectly display in Night mode.
10. Fixed a potential shutdown caused by certain map geometry.
11. Fixed an issue that would cause a unit to shutdown when images were loaded into multiple folders.
12. Fixed an issue that caused the Trip Planner to show incorrect number of days for certain months.
13. Fixed an issue that caused maps not to display for certain countries if other maps were loaded.
14. Fixed display of two-line destinations in the Trip Planner.
15. Fixed an issue that caused Flemish not to display as an available language.
16. Fixed a potential issue when calculating a route with traffic.
17. Fixed an issue that caused custom Points of Interest alerts to only occur on one side of the road.
18. Fixed an issue that could cause unit not to turn ON correctly after suspending.

Firmware Upgrade V2.50 (Please use Web-Updater to install the latest firmware)

To table of contents

The model GARMIN Nüvi 3790T provides fast automatic route calculation - including multiple intermediate destinations if required - plus visual and voice guidance. The voice-activated navigation feature allows you to talk to your Nüvi 3790T while you keep your hands on the wheel and your eyes on the road. The lane assistant indicates the correct path in great detail if there are multiple lanes. There is also a TMC receiver included to incorporate traffic news. The Nüvi 3790T is easy to use, has a brilliant, easy to read, high-resolution color display with touchscreen supporting multi-touch, an extremely sensitive antenna and an integrated worldwide base map. It is very well suited as a navigation system in cars, but you may also use it as a hand held device. It has 4.9 GB built-in memory to store detailed maps with even more information, such as local roads, hotels, restaurants, public buildings and points of interest. This model comes with pre-loaded maps of all of Europe including 3D building and terrain view, which occupy approximately 2.6 GB of memory including various language files. The remaining 2.3 GB memory is available to store additional detailed maps, waypoint files or pictures. This model also has a speech computer to announce the names of the roads. The Nüvi 3790T is equipped with a BlueTooth interface to communicate with mobile phones which have the required communication capabilities in order to call car rental offices, hotels, restaurants etc. whose phone numbers are stored on the GPS with a single touch on the screen. It can also act as a hands-free extension set to the phones. In addition, the GPS has a slot for an optional microSD memory module to store additional maps or data and an USB connector to exchange data with a computer. The device is powered by a rechargeable battery, see detailed description.

TRAMsoft GmbH Laettenweg 19 / CH-8335 Hittnau / Switzerland Telephone: +41 44 995 1570 / Contact Last modification: 04/09/2012 (RA) (This document was created with TRAMsoft XbCMS V1.3-00, does not require any browser specific features and is compliant with the W3C standard "HTML 4.01 Transitional")