• If MapSource data is loaded to this GPS unit, the factory preloaded POI database will be erased.
• Please download and install this POI Database file to recover the original POI database.
• If MapSource data is currently loaded to the device, it will be erased and replaced with this POI database.

Changes made from version 3.90 to 4.00:

• Fixed NMEA sentence HCHDG to show magnetic heading correctly when user has selected magnetic north reference.

Changes made from version 3.70 to 3.90:

• Improve WAAS search and selection process.

Changes made from version 3.60 to 3.70:

• Fixed shutoff problem with certain European tides.

Changes made from version 3.50 to 3.60:

• Corrected problem with European tides.

Changes made from version 3.40 to 3.50:

• Improved non-volatile memory storage of WAAS/EGNOS ionospheric mask corrections.
• Reduced delays in acquiring a position when using differential GPS.
• Added Canadian tide support.

Changes made from version 3.30 to 3.40:

• French translation update.
• Added the option to turn off the recording of track points and vertical trip computer data by virtually turning off the altimeter. An altimeter status (on/off) determines when it is okay to save track points due to altitude changes and when to update the vertical trip computer.

Changes made from version 3.21 to 3.30:

• Fixed bug introduced in last release. Exit information was not being displayed properly.
• Added updated support for RCV_CPO data.
• Fixed problem with changing elevation units. Users are now able to change to meters without having to restart the unit.
• Improved WAAS/EGNOS satellite selection algorithm to select the satellite with the most beneficial corrections given the unit's current position. A unit will not use a WAAS/EGNOS satellite if the unit's current position is outside of a given WAAS/EGNOS satellite's service volume.
• Added new 'Distance and Speed' unit. The new unit is 'Nautical (nm, kt, m)'. The old 'Nautical' is now 'Nautical (nm, kt, ft)'. The new unit is the same as the old, except it shows the small measurements in meters instead of feet.
• New French translations.

Changes made from version 3.20 to 3.21:

• Added tide support for European and Australian tides version 5.0.
• Added support for RCV_CPO data.

Changes made from version 3.10 to 3.20:

• Restored transmission of GSV NMEA sentences in full for every two-second update.
• Corrected display of available route waypoints on the Route Setup Map page.

Changes made from version 2.01 to 3.10:

• Increased the active track log to 10,000 points.
• Increased each saved track log to 750 points.
• Increased user waypoints to 1,000 waypoints.
• Improved various translations.
• Added EOV Hungarian and South African grid support.
• Added functionality to start, stop, or resume navigation from the Route Detail page's option menu.
• Corrected Canadian MetroGuide information to not display EURO.
• Corrected potential shutoff on Elevation Plot page.
• Improved glide ratio to calculate all the time, not just when navigating a route.
• Corrected problem where 'Hold Level' could not be removed when using user north settings.
• Added depth labels for Isolate Danger Depths in BlueChart maps.
• Corrected problem where track log would connect last known position before powerdown to first known position at powerup.

Changes made from version 2.00 to 2.01:

• Eliminated possible shutoffs when repeatedly finding Cities or Points of Interest.
• Eliminated possibly storing bad data when starting a Goto, which would cause the unit to shut off and would prevent the unit from turning on again.
• Eliminated possible shutoffs and lockups when selecting a street for finding addresses or intersections using newer maps.
• Corrected HCHDG NMEA sentence to output magnetic heading rather than true heading.
• Added a Setup Routes item to the Routes main menu page which allows setting the route waypoint transitions to Manual. When set to Manual, routes will transition to the next waypoint only when instructed to do so by the user.
• Added a Setup NMEA output item to the Interface setup page menu when the Serial Data Format is set to NMEA. This allows setting the following for the NMEA output: the precision of the minutes field for lat/lon, the waypoint identifier format, and which groups of sentences to transmit. These settings allow compatibility with a wider range of NMEA-driven products including some older marine autopilots.
• Made vertical speed more responsive when a 3D location is available.
• Improved the plot page: quickened response to Page key, Quit key, and new plot data; added a current data value indicator; allowed the cursor to wrap left/right when panning.
• Added Location (both chosen & default formats) as choices for Medium and Large configurable fields.
• Added glide ratio, glide ratio to target, and vertical speed to target as choices for all configurable fields.
• Added a separate setup item for vertical speed units to the Units setup page, which allows the vertical speed units to be ft/min, m/min, or m/sec independent of the Altitude units.
• Added receiving water depth through DBT NMEA input sentence.
• Added new Point of Interest types when supported by the map data.
• Allowed finding duplicately-named cities by name across multiple maps of the same type if supported by the map data.
• Continue to update trip computer and track log with elevation data when satellite reception is lost.
• Improved the accuracy of the estimated accuracy value.
• Prevented possible corruption of time in GARMIN output format.
• Removed creating user waypoints if the route waypoint memory is full when receiving routes from MapSource.

Changes made from version 4.10 to 4.20:

• Improved support for Macintosh USB.
• Corrected support for certain carpool/toll roads types in Austria and Switzerland.

Changes made from version 4.00 to 4.10:

• Adds support for Topo Great Britain maps.
• Correctly handles apostrophes and prefixes when displaying European city names and streets.
• Fixes occasional shutdown on highway page.
• Updates search process for WAAS and EGNOS satellites.
• Presents only relevant cities as choices given during address or intersection searches.
• Preserves stopwatch lap distance if user goes off of the stopwatch page.
• Corrects profile plot for tracks and routes that cross the Prime Meridian.
• Prevents long idle times during power save GPS mode.
• Sounds anchor drag alarm until reset by the user rather than sounding just a single tone.
• Shows proper units on the map page when reviewing depth contours on the map page.
• Applies map datum only to the Location (selected) field and not to the Location (lat/lon) field.

Changes made from version 3.90 to 4.00:

• Improved USB support.
• Fixed problem where excessive track points could be recorded.

Changes made from version 3.80 to 3.90:

• Added German tide support.
• Added support for extended resolution maps like Minnesota LakeMaster maps.
• Improved Data Review page to show depth or height of structures like bridges on BlueChart maps.
• Corrected track log filtering.

Changes made from version 3.70 to 3.80:

• Corrected intermittent USB data transfer.
• Corrected 'Recalculate' option for 'Off Road' navigation.

Changes made from version 3.60 to 3.70:

• Fixed transfer problem with custom waypoint symbols.
• Now reports DEM map support to PC software.
• Fixed lockup that could happen when selecting a Tracback point.
• Fixed shutdown caused by viewing some marine light points.
• Fixed problem with Indonesian Southern Grid using wrong longitude of origin.
• Added advanced NMEA support settings to support certain marine autopilot units.
• Fixed problem where the interaction with certain beacon receivers was not displayed.
• Added 'Select Map' option for Address and Intersection searching.
• Fixed problem where waypoint depth was not being saved as invalid when it was unknown.
• Fixed problem where waypoints could not be saved in certain areas of BlueChart maps.
• Fixed lockup that could occur when selecting symbols for waypoints.
• Added warning message about removing batteries when Pressure Trend Recording is always on.
• Fixed lockup that could occur when approaching certain roads on the map.
• Made the way intermittent water areas are drawn more visible.
• Fixed problem where compass pointer could transition to the next turn too quickly.
• Fixed problem with bearing being adjusted improperly when projecting waypoints with a non-zero north reference.
• Fixed lockup that would occur when 'finding by name' and then viewing map information for the point.
• Fixed problem in tide charts where local time axis would not match the station time axis.
• Changed tide stations to show selected date when saved on a calendar day.
• Fixed a potential problem where the wrong number of bytes could be sent for USB get requests.
• Fixed problem with displaying 'Waypoint At Destination' while doing a tracback.
• Fixed lockup that could occur when approaching certain roads on the map.
• Fixed problem where route recalculation would slowly go to 100% and lock up.
• Improved WAAS search and selection process to be smarter in its handling of multiple SBAS service providers, overlapping service volumes, and exceptional conditions.
• Fixed lockup that could occur when selecting a tracback point.

Changes made from version 3.50 to 3.60:

• Corrected Baud rate for RTCM communications mode.

Changes made from version 3.30 to 3.50:

• Added support for xImage software.
• Improved track log recording in Auto mode.
• Increased the size of the compass pointer on the Compass page.
• Enabled the compass pointer to be shown while navigating a Follow Road route.
• Added a progress indicator when calculating a Follow Road route.
• Increased the precision of the 'project waypoint distance' field.
• Added the ability to independently show or hide entire map families on the Map Setup page.
• Added 'meters per second' as an option for vertical speed units.
• Added Greek language.
• Updated translations.

Changes made from version 3.20 to 3.30:

• Corrected problems finding items when results contain characters with diacritic marks.
• Corrected a problem on the Geocache Find page where a Find By Name search could potentially highlight a point past the first correct match.
• Corrected an orientation problem on the Turn Preview Page if the route is calculated close to the first turn.
• Corrected problems with the automatic closing feature of the Turn Preview Page when using German or Italian languages.
• Corrected potential problems resulting from automatic closing of the keyboard.
• Corrected potential problem where invalid characters could be entered into a waypoint comment.
• Corrected contour line colors to increase visibility.

Changes made from version 3.10 to 3.20:

• Added Fuel Services option to the Find menu.
• Find-by-name searches now only return a list of items that begin with the input string.
• Added the ability to automatically close the keyboard when six or less items are in a find-map-points-by-name list.
• Improved map colors for contour lines and night mode.
• Corrected memory problem related to Follow Road route calculations.
• Corrected problem with certain alarms working only during active navigation.
• Corrected problem with saved track profile zooming.
• Corrected problem with find-address searches across multiple map sets.
• Corrected problem when finding waypoints and canceling from the Select Symbol filter option.
• Corrected problem with auto daylight savings so that it works for years other than the current year.
• Corrected problem causing an error beep after filling out a text or number field.

Changes made from version 3.00 to 3.10:

• Added Marine Colors option to the map setup for displaying BlueCharts similar to MapSource.
• Moved the Day/Night display mode from the map setup to the display setup. It still modifies map colors, but separate color-scheme selections have been added for day and night modes.
• Lock On Road option is no longer turned on when starting a Follow Road route. This feature is only turned on or off manually. Approaching cross-street information is available with Lock On Road turned off.
• Improved guidance text for turns onto on/off ramps or generic roads.
• Added the ability to customize the active track log color on the Track Setup page.
• Updated the backlight behavior so that if the light level is off, then it will be set to the user mid-level when the light key is first pressed.
• Updated translations.
• Corrected a problem with waypoint position averaging when upgrading to new firmware.
• Changed the Recent Finds page “Remove All” option to only remove points from that list.

Changes made from version 2.00 to 3.00:

• Added Resume Navigation and Recalculate options to the Map, Compass, and Highway Navigation pages.
• Added speed-filtering feature to the Marine Setup.
• Added Pedestrian and Bicycle modes to the Follow Road options.
• Added vertical elevation profiling for routes and saved tracks for use with future MapSource products.
• Added support to automatically turn the backlight on if external power is connected.
• Moved Facilities Find item from the Marine Points submenu to the main Find menu.
• Added a Remove All option to the Recent Finds page.
• Added yards and nautical miles as units to the Off-Road Route Transition by Distance option.
• Added nautical miles as a unit by which to project a waypoint.
• Defaulted the Project Waypoint Distance units to match the system’s distance unit type.
• Added New Zealand Transverse Mercator and Austrian Grid support.
• Updated language translations.
• Enabled the Active button on the Route List page to work with all route types.
• Enabled the Active Route page to be in the main page sequence if navigating an on-route GoTo.
• Corrected a problem with calendar memory that caused records to become unavailable temporarily.
• Corrected a problem with the calendar Remove All option that caused points associated with days in the future to not be removed.
• Corrected a problem that caused elevation data requiring five digits to not display correctly.
• Corrected a problem that could cause a route to be deleted while editing it on the map.
• Corrected a problem that could cause the unit to not respond or display a 'Software Missing' message when adding a point to a new route.
• Corrected a problem where duplicate exit roads could not be selected.
• Corrected a highlight problem when searching for user waypoints by name.
• Corrected a problem where elevation for a user waypoint could be rounded incorrectly.
• Corrected a problem that could cause valid intersections to not be found.
• Corrected a problem where some addresses in Europe could not be found when the scope was reduced by selecting either a city or country.
• Corrected the drawing of Follow Road routes in some roundabouts.
• Corrected the drawing of European tide charts.

Changes made from version 3.90 to 4.00:

• Fixed several errors in NMEA statements introduced in 3.90.
• Fixed WAAS information not showing 'D' in satellite bars. Error was introduced in 3.90.
• Other minor bug fixes.

Changes made from version 3.70 to 3.90:

• Added support for maps greater than 2 GB.

Changes made from version 3.60 to 3.70:

• Fix issue where bathymetric (underwater depth) lines would not show up in non-marine night color mode.
• Fix issue where tide page can show the wrong date.
• Fix shutdown when the day view calendar page has more than 9 waypoints and a point at index greater than 9 is deleted.
• Fix issue where tracklog setting was changed when unit was put into mass storage mode.

Changes made from version 3.50 to 3.60:

• Correct German translation of 'delete all waypoints'
• Fix data card unlock failure when 2 cards of the same map set are used in one device
• Improve sun times for polar regions
• Fix issue where ETA in non motor vehicle modes can be unreasonably short
• Improve robustness of compass when it would appear uncalibrated until a power cycle
• Increase precision of distance measurement to the cursor on the map page
• Allow backlight adjustment on the track back point selection page
• Fix shutdown when editing Estonian Grid coordinates
• Correct daylight saving time for New Zealand
• Improve selection of the names of cross roads with NT maps
• Correct potential shutdown when viewing a vertical profile

Changes made from version 3.30 to 3.50:

• Change number of lines of text in the address field on map feature review page from 4 to 6.
• Improve robustness when recovering from a partial map load.
• Limit number of custom POI bitmaps to 64 to ensure enough memory resources.
• Added better compatibility with Mac computers in USB mass storage mode.
• Improved pedestrian route calculation for shortest distance method.
• Added ability to recalculate a direct goto route.
• Fix issue where MPC maps could potentially cause a shutdown.
• Address issue where nearest points search would skip some points.
• Changed datum used in the the SWEREF 99TM grid to GRS80.
• Changed datum used in the the Estonian grid to GRS80.
• Fix potential shutdown when using TOPO West 1999.
• Fix potential shutdown on track setup for data card when track log files have long file names.
• Corrected French translation for 'Log track points'.
• Improved promptness of the turn review popup.
• Improve track log recording for sensor products to continue recording sensor data even when GPS doesn't have a fix.
• Fix potential shutdown when propagating in a cul-de-sac across a map boundary.
• Added more time zones.
• Fix potential shutdown when clearing recent find list when custom POI with custom bitmaps are in the list.
• Add A905/D900 unlock code communication protocol.
• Make route recalculation on MPC maps behave like City Navigator maps.
• Remove lithium ion as a battery choice. For 76x add lithium battery choice.

Changes made from version 3.20 to 3.30:

• Fix potential shutdown when searching UK extended postal codes.
• Ensure that all UK extended postal code search results are shown.
• Enable the Quit button function on the geocache compass page.

Changes made from version 3.10 to 3.20:

• Updated daylight saving time dates.
• Add capability for 2 wide data fields on map, compass, and highway pages.
• Add capability for 1 wide data field on map page.
• Added data card information page.
• Add selectable alarms for proximity waypoints and custom POI.
• Improve labeling and scanning of custom POI on the map page.
• Address issue where custom POI finder would erroneously produce no results.
• Add capability to see vertical profile of an autoroute using DEM topo data.
• Fixed issue with incorrect dates showing when editing the date field for Sun & Moon page and Hunt & Fish page.
• Fix issue where invalid find menu options could show when using the Auto Order feature.
• Fix issue with the Swiss grid providing incorrect coordinates.
• Fix issue where route names would be converted to upper case during editing.
• Update data card driver to support SD version 2 cards.
• Corrected problem with NMEA input that could corrupt Waypoint names in WPL sentences.

Changes made from version 3.00 to 3.10:

• Fix problem where buoy colors were drawn incorrectly.
• Improve robustness of data card tracklog XML.
• Corrected issue where some highway shields were blank.
• Prevent creation of duplicate waypoints for WPL NMEA input.
• Fix problem where last 5 custom waypoint symbols were not usable.
• Prevent propagation along roads when lock to road feature is disabled.
• Add Borneo RSO grid.
• Corrected issue where cummulative distance view on altimeter page wouldn't show whole log.
• Allow diacritical characters in waypoint comments.
• Allow diacritical characters to transfer from Mapsource.
• Increase number of map tiles that will draw at once.
• Added capability to send custom POI waypoints in a route to Mapsource. Requires Mapsource version 6.12.

Changes made from version 2.90 to 3.00:

• Fixed problem of shutdown when viewing map Topo Great Britain v2.
• Improved drawing of lines for MPC maps.
• Reduce variation in battery gauge indicator.
• Fixed display scrolling issues when searching for roads.

Changes made from version 2.70 to 2.90:

• Add feature to save active track log to file on data card.
• Add ability to utilize mass storage on PC via USB connection.
• Fix NMEA output to include GPGSV sentence.
• Improve Garmin USB Mac support.

Changes made from version 2.60 to 2.70:

• Improve path nighttime color for map Topo Great Britain v2.
• Enhance layout and functionality of tide station chart information.
• Add new time zones for major cities in the U.S. and Europe.
• Improve By-Name city search to use all available maps.
• Improve layout of airport information display.
• Improve reset function of timer lap distance.
• Improve route calculation performance by setting recalculation distance farther ahead.
• Fix issue where extremely high or low altitude readings could occur when baro auto-calibration was enabled.
• Prevent Poor Satellite Reception popup from repeatedly occurring when GPS is off.
• Add GPRMB sentence to the NMEA output.
• Improve stability when using Lithium Ion Battery.
• Fix track log time stamps.
• Improve Custom POI banner display on map preview page.
• Fix issue where total ascent and total descent were incorrectly computed.

Changes made from version 2.50 to 2.60:

• Improve compatibility with nRoute PC application.
• Add compass hold level indicator.
• Improve elevation level display to show maximum values.
• Increase loadable maps to 2025.
• Improve anchor drag alarm tone so that it stays on until the user clears it with the appropriate key press.
• Improve stability of unit when user has selected a customized color scheme and is viewing tide station information.
• Improve the autozoom feature when viewing an active autoroute on the Map page. When momentarily going to the Turn Preview page and then returning to the Map page, the autozoom distance is maintained instead of defaulting to the manual zoom distance.
• Improve review of address and intersection on Map page to have full text instead of just first street.
• Enhance visibility of paths in map Topo Great Britain v2.

Changes made from version 2.40 to 2.50:

• Fixed compatibility issues with preprogrammed data cards. Some cards may not unlock properly with software version 2.40.