Changes made from version 3.20 to 3.30:

Added support for German tide stations.
Added support for more time zones.
Added support for NMEA BWC and extended DSC (DSE) sentences.
Added support for LakeMaster maps.
Added ability to select a particular map family when performing an
address search.
Added ability to stop navigation from the Current Route page when in
Automotive mode.
Improved accuracy of track log generation.
Improved readability of owner information text during powerup.
Improved USB transfers from MapSource.
Increased resolution of distance fields when in Marine mode.
Corrected shutdown that could occur when performing a TracBack in
Automotive mode.
Corrected shutdown that could occur on the Line tab of the Map Setup
page.
Corrected default Nearest Type selection on Position page.
Corrected display of map outlines.
Corrected functioning of Off-Course alarm.
Corrected date display on Celestial pages.
Improved display of street addresses in Find menu.