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.
• Added Jumpmaster support under Setup.
• 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 3.40 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 an option to the Altimeter Setup page that enables the unit to record pressure trend data while power is off (readings are taken every 15 minutes).
• Added Greek language.
• Updated translations.

Changes made from version 3.30 to 3.40:

• Corrected problem with Sight N’ Go not projecting correctly.
• Corrected problem that could occur during compass calibration that could cause incorrect compass readings.

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 potential display problems on the Altimeter Page barometer plot view.
• 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.
• Corrected problem with the Altimeter page when going to the Reset page and clearing the track log.
• Corrected problem with the Calibrate Compass option on the Geocaching Compass page.

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.
• Corrected problems on the altimeter page that could cause the unit to shutdown unexpectedly.