I removed the card and just copied all the info in the unit itself to my drive. I ran the update with new batteries as they recommend and in no time at all it was updated. I then put the card back in and everything was still intact. I keep all my maps on the card.
Here are the changes since my version. The red ones are the most interest to me. One of them should solve the mystery as to why on PBX hikes my Oregon never matched the rest of the members odometer reading.
Changes from version 5.10 to version 5.20:
Fixed potential power-up issue introduced in previous release.
Changes from version 5.00 to version 5.10:
Improvements to the geocaching experience. See
TrailTech (
http://garmin.blogs.com/softwareupdates/2011/09/improved-geocaching.html) for more information.
Fixed a potential hang on startup when importing large numbers of waypoints, tracks, routes, or geocaches
Fixed issue with very long geocache descriptions
Fixed shutdown when reviewing certain geocache descriptions
Fixed issue where the photo orientation would be incorrect in the photo viewer
Fixed potential shutdown while scrolling through Garmin Connect photos
Fixed issue where some auto-archived tracks would be named in English regardless of user language
Fixed bug that could cause some geocaches to not import
Changes from version 4.80 to version 5.00:
Modified default map trails to appear as dashed red lines
Fixed issue where geocache icons would sometimes not draw on the map while using Garmin GB Discoverer™ maps
Changes from version 4.50 to version 4.80:
Added support for advanced geocache logging with OpenCaching.com. See
TrailTech (
http://garmin.blogs.com/softwareupdates/2011/08/advanced-geocache-logging-with-opencachingcom.html) for more information.
Fixed issue with multilingual custom POI files
Changes from version 4.20 to version 4.50:
Updated magnetic Earth field data
Improved GPS performance
Improved support for BirdsEye™ Satellite Imagery (each provider's imagery can be configured independently)
Increased the maximum number of supported JNX files to 250 from 200
Fixed issues with WAAS/EGNOS
Fixed issue with track navigation sometimes not adding waypoints to the Active Route list
Fixed issue with MPC map labels disappearing
Fixed shutdown on the map page when you have a geocache dashboard active and return after pressing the geocache name
Fixed issue with moon not showing on sun and moon page
Fixed issue with photo viewer not displaying correctly
Fixed issue with progress bar displaying properly on power up
Fixed issue with waypoint distances showing significantly off in the waypoint manager
Fixed issue with 3D view
Fixed issue with track navigation not adding waypoints to the Active Route list when they are exactly equal to a track point
Fixed shutdown when more than the maximum number of JNX files were present
Fixed 'Search Near' functionality on Hunt & Fish and Sun & Moon pages
Fixed shutdown related to topographical maps and land cover text size
Fixed shutdown associated with certain custom POI files
Fixed Glide Ratio to Destination field
Fixed problem with profiles and the fields on the map page
Fixed an issue with magnetic north reference and waypoint headings
Fixed shutdown on the map screen when a waypoint was being moved to the same location as a geocache or other POIs
Fixed an issue with archived tracks not displaying properly
Fixed an issue with having too many custom symbols on the device
Fixed an issue with renaming a waypoint immediately after creating it
Modified the 'Arriving at Destination' message banner so that it no longer appears when navigating to a geocache
Changes from version 4.00 to version 4.20:
Fixed shutdown related to the current track that occurred after updating the software
Fixed a hang that occurred when a unit had 1000 auto-named waypoints
Changes from version 3.90 to version 4.00:
Added support for
Chirp™.
Fixed problem with certain custom maps.
Fixed problem with certain JPEG images.
Fixed issue with Sight 'N Go and user north reference.
Fixed potential hang on start up after an upgrade.
Changes from version 3.80 to version 3.90:
Fixed issue while using spell search in route planner.
Fixed issue on 3D View where vehicle could move after using the map.
Fixed issue where tracks could not be disabled from the map.
Fixed issues with odometer distance.
Fixed shutdown while panning the map for extended periods of time.