GMascelli
En-Route
Updates & Downloads
GPSMAP 496 software version 4.20
As of November 18, 2009
http://www8.garmin.com/support/download_details.jsp?id=1635
This update will also upgrade the software in your GXM30 antenna to version 2.30. This update will also upgrade the software in your GXM40 antenna to version 2.30.
GPSMAP 496 software version 4.20
As of November 18, 2009
http://www8.garmin.com/support/download_details.jsp?id=1635
This update will also upgrade the software in your GXM30 antenna to version 2.30. This update will also upgrade the software in your GXM40 antenna to version 2.30.