Updates & Downloads

GPSMAP 498 Sounder software version 3.40

as of December 17, 2008

USB Card Programmer

Download (3.63 MB)

View download instructions and system requirements

Notes:

Software version 2.10 was initial release.

Change History

Changes made from version 3.30 to 3.40:

Fixed issue where items that are not drawn could be highlighted on the chart.

Changes made from version 3.10 to 3.30:

Draw AIS target vessel's orientation according to COG history if heading information is not available.
Added support for AIS message #24, which transmits the ship name, cargo type, etc. for class B transponders.
Fixed issue that could lead to satellite acquisition problems on aging units.

Changes made from version 2.90 to 3.10:

Fixed problem with NMEA output temporarily halting at 00:00:00Z.
Incorporated recent changes to the Daylight Savings Time schedule to properly detect when DST starts and stops.
Corrected the representation of Leading Lines and Recommended Route lines for some chart areas.
Improved sonar performance.
Fixed display of AIS vessels when not in North-Up Chart mode.
Added the ability to remove sonar surface clutter.
Minor improvements to Czeck, French, Greek, Spanish, and Polish translations.

Changes made from version 2.80 to 2.90:

Fixed display of underwater rock depth.
Fixed display of bridge height when reviewing bridge information.
Fixed problem with tidal current speed computation which caused a small number of current stations to show extremely high speeds.
Changed title of Highway page to 3D Highway to emphasise the feature as g2 3D perspective as opposed to legacy highway-only implementations.

Changes made from version 2.70 to 2.80:

Improved the user interface for basemap loading.
Improved labels on the map longitudinal grid lines

Changes made from version 2.60 to 2.70:

Improved sonar auto gain feature for 50kHz.
Corrected calculations for Current stations to fix incorrect time offsets and speed values.
Made marine services without any listed services still searchable under the 'All' category.
Added support for rotary Current stations.

Changes made from version 2.50 to 2.60:

Fixed SBAS compatibility issues with the Japanese MSAS system.
Fixed issue that may prevent changing the depth units for remote sounder devices.

Changes made from version 2.40 to 2.50:

Improved the visibility of the track log.
Improved reliability of sonar-related software updates.
Fixed issue with display of depth soundings in intertidal zones.
Added support for heading input via an external NMEA source.

Changes made from version 2.30 to 2.40:

Removed duplicate results when performing find operations.
Improved scrolling through chart notes.
Allowed editing of the waypoint review page's reference, distance, and bearing fields.
When a transducer is disconnected, the depth will blink signaling an invalid depth.
Improved how detailed chart text is displayed on review pages.
Added the ability to display submerged object data on maps.
Fixed the 'Prepare Card for SW Update' function to detect devices connected serially or via CAN.
When reviewing Marine Services, display all service items instead of just one from each category.
Corrected the JPEG image viewer to show the next image instructions at the bottom of the JPEG.
Enabled Croatian language support for the worldwide versions.
Added current (tidal stream) support.
General UI color improvements.

Changes made from version 2.20 to 2.30:

Added foreign language support.
Improved sonar operation and fixed various sonar related bugs.
Fixed IIC driver issues.
Fixed problem with small maps not being displayed properly.
Improved harbor photo functionality.
Added JPEG color palette dithering.
Added a list of amenities to the FHS Facility review page.
Fixed description for marine danger points.
Changed software version to 2.30.

Changes made from version 2.10 to 2.20:

Improved sonar operation and fixed various sonar related bugs.
Added ability to review harbor photos that are linked to other types of map points, such as Marine Services.
Fixed problem with incorrect baud rate when initially selecting NMEA format.
Fixed AIS rate of turn calculation and heading line drawing issues.
Improved route creation and editing functionality.
Fixed problem with waypoint symbol colors.
Fixed battery alarm operation.
Changed software version to 2.20.