Fixed bug where depth units wouldn't change with a remote sounder connected.
Fixed wave height and wind direction display values for weather buoys.
Improved display of track logs.
Changes made from version 4.10 to 4.20:
Updated Language Translations.
Add support for Tidal Streams
Fixed bug that causes unit to shut down when reviewing Fishing Hot Spots Lake profiles.
Fixed bug where small external maps may not be available.
Fixed various issues related to Harbor Photo displays.
Fixed bugs where Fishing Hot Spots facility amenities may not be shown.
Fixed various Find related issues.
Fixed map display issues
Fixed bug where the sonar corner scale numbers may appear even when the sonar field isn't visible.
Changes made from version 4.00 to 4.10:
Added harbor photo user interface enhancements and color pallete dithering.
Display a message if the user tries to create a quick nav route and the route memory is full.
Added route leg pointer information to route edited page.
Fixed Moonrise - Moonset display for days when the moon neither rises or sets.
Fixed bug where battery alarm didn't always work.
Fixed bug with zooming while scanning a MARPA target.
Fixed merged sonar drawing bug.
Fixed various sonar related issues.
Changed the sonar transducer disconnected alarm to stay showing until the user acknowledges it.
Changes made from version 3.50 to 4.00:
Made compatible with G2 cartography.
Added 3D perspective navigation to the highway field.
Added support for new sonar technology.
Updated the color scheme.
Added support for offshore weather bulletins.
Added support for new low-cost weather package from WXXM.
Changes made from version 3.40 to 3.50:
Improved the retail demonstration mode.
Added NMEA output sentence for Autopilot B (GPAPB).
Optimized the NMEA transmit rate.
Corrected a problem with the route data/numbers list not updating correctly when the route has 9 or more waypoints.
Corrected the position of the sun/moon on the celestial page when the sky orientation was set to Track Up.
Changes made from version 3.30 to 3.40:
Added multiple language capability. In addition to English, user may select from 16 other languages.
The PRN (satellite ID) was corrected in the GPGSA & GPGSV NMEA output sentences. It was off by one (too high).
Changes made from version 3.20 to 3.30:
Added support for receiving NMEA DSE sentence.
Fixed problem with card or serial transfer of track log water-temperature information.
Changes made from version 3.10 to 3.20:
Added support for displaying cloud tops.
Added weather presets.
Added syncronization of navigation data over the network.
Added ability to show software update notes after a software update that describes changes in the software.
Added support for new BlueChart point types.
Added support for amber and orange lights.
Added orientation information to radar field.
Added ability to configure the base page sequence.
Improved softkey choices for the map field.
Corrected errors that could cause the TracBack list to not be displayed properly, or could cause the dates and/or times in the TracBack list to be incorrect.
Corrected problem where MARPA TCPA values would not be updated properly on the MARPA list page.
Corrected various issues related to restoring the unit to factory defaults.
Corrected issue where a 'Lost Heading Sensor Connection' message could be displayed even if a heading sensor was available.
Corrected various problems with sharing map data over the network.
Don't allow guard zone alarms to stay active when the radar scanner is in standby.
Improved behavior of radar timed transmit.
Corrected a problem that could make the sonar stop scrolling.
Corrected problem that would prevent the unit from marking a waypoint when a confirmation page was being displayed.
Corrected various problems with finding map items.
Corrected problem where the map pointer info text would be displayed when no map was visible.
Changed sonar page to not display depth, temperature, and water speed for the second sonar field.
Corrected problem where copying a route could place the map on a base page into pointer mode.
Corrected problem where sonar data would sometimes be displayed on the screen when no sonar window was visible.
Corrected potential problem that would cause the performance of the track log to be degraded.
Improve the visibility of the active track and boat color when the map chart colors are set 'For Sun'.
Corrected a problem with reviewing a recommended route line that could cause some of the information to not be displayed.
Corrected various problems with the display of radar data.
Corrected various issues with hot insertion/removal of data cards.
Corrected problem when replacing proximity waypoints from a data card that could cause some of the old points to remain in the unit after the replace operation was complete.
Corrected problem on the tracks page where the track color field would not necessarily reflect the current track color.
Corrected problem where a 'Radar Lost' message would be displayed when changing from Manual AFC to Auto.
Changes made from version 3.00 to 3.10:
Corrected issue where the unit appear locked up in test mode.
Corrected problem where the temp log would not be hidden in some cases.
Changes made from version 2.40 to 3.00:
Added support for GMR 20/40 Garmin Marine Radar.
Added the ability to share cartography between Multi-Function Displays (MFDs) on the Garmin Marine Network.
Added the ability to synchronize waypoints, routes and tracks over the Garmin Marine Network.
Improved XM audio interface, including the addition of a user-configurable XM audio base page function.
XM audio interface can now navigate and scan by channel categories.
Added in-store demonstration mode support.
Improved message banner visibility.
Added the ability to wrap the highlight from the top to the bottom of a page or vice versa.
Improved the adjustment and softkey menu interfaces.
Fixed various Nav key-related problems.
Corrected various Find-reference-point interface problems.
Fixed some DSC-interface problems.
Fixed problem with Sonar Water Type setup.
Added support for display of navigation status in the status bar.
Corrected reset-softkey problem for Water Temperature base page function.
Fixed various graphical-route-editing problems.
Reorganized Comm setup page interface.
Fixed problem where border was still being drawn above and to the right of the base page function if all of the auxiliary functions were turned off.
Added support for new European and Australian time zones.
Added Icelandic Position Format support.
Added a mode indicator index to the end of the GPVTG NMEA output sentence.
Changes made from version 2.30 to 2.40:
Corrected an issue with NMEA output which resulted from using a GPS source other than NMEA.
Changed map resolution calculation to correctly handle large- and small-scale maps.
Changes made from version 2.20 to 2.30:
Corrected an issue which could cause the sonar window to stop updating.
Corrected potential lockup when powering down.
Corrected error where storm cells and lightning would not draw if set to the 'auto range' setting.
Corrected problem when merging waypoints that would cause waypoints with similar names to be replaced.
Corrected potential lockup when drawing weather.
Corrected problem with Canadian tide calculations where the UTC offset was not being applied to the times.
Use larger fonts for 'sonar water temperature' and 'water speed' numbers.
Corrected potential shutdown when pressing the 'map setup' softkey after clearing user settings.
Corrected instructions for viewing the software version in this document.
Corrected problem where the water speed calibration button would not always be available with multiple MFD's connected.
Unit now sounds an error tone when trying to rename a network device which cannot be renamed.
Corrected various highlight issues.
Corrected potential shutdown when creating proximity alarms.
Corrected various text appearance issues.
Corrected problem where maps could not be transfered from the unit to MapSource.
Corrected navigation context when the NAV key is pressed on an invalid waypoint.
Refresh the 'find' list when a data card is inserted or removed while viewing a Find page.
Corrected issue where the depth was being displayed in the 'find' list instead of the name for a fish haven.
Corrected issue where the status bar may appear corrupted on the Configuration page.
Corrected problem where the Power-On page could be bypassed and put the unit in a bad state.
Put the apostrophe in 'Can't'.
Corrected size and position of sonar depth line in various contexts.
Corrected problem where a GPS 17N may not be detected after updating software in the head unit.
Corrected the 'find' context when the Find key is pressed on the 'location' field of the Current Weather Forecast page.
The config key should not open a configuration page when pressed on the Main Menu page.
Corrected problem where the alarm for a DSC call may never shut off.
Show units for 'fuel flow' on the Trip Planning page.
Limit heading line distance to 25.0 nm.
If the sonar is in pointer mode, unit no longer leaves pointer mode when the data key is pressed.
Fixed erroneous error tone when editing multi-line text fields.
Update the 'system mode' drop-down when the system mode is changed on a remote unit.
Synchronize 'system mode' of all devices on the network when a demo card is used.
Allow range keys to work on the Main Menu Highway Setup page.
Corrected error where the delete button didn't work when creating a new DSC directory item.
Improved appearance of data card image on the Card Info page.
Changed depth-line adjustment softkey text from 'Default' to 'Off'.
Unit no longer displays more than one instance of the same message box.
Improved the track-log-reduction algorithm when navigating a track that contains 300 or fewer points.
Fixed problems when trying to create waypoints when waypoint memory is full.
Corrected an issue where an improperly named DSC directory item could be created.
Improved the DSC directory error message when a new item is created without entering the MMSI.
Adjusted the NMEA baud rate to increase its compatibility.
Fixed various issues with buttons on DSC-related review pages.
The 'New Item' button on the DSC Directory page is now disabled when the directory is full.
Disable function menu on Sonar page if sonar is full screen.
Corrected potential shutdown when the depth units are changed while using sonar bottom lock.
Added the mode indicator to the GPVTG NMEA output sentence.