Updates & Downloads
Colorado software version 3.70
as of May 18, 2011
View system requirements
Changes made from version 3.60 to 3.70:
Increased the maximum number of supported JNX files to 250 from 200
Fixed shutdown that sometimes occurred while scrolling through the list of background images
Changes made from version 3.50 to 3.60:
Added support for chirp™ detection. This software update will allow Colorado units to detect previously-programmed chirp™ units. See
http://www.garmin.com/chirp for details on which units are chirp™ compatible. NOTE: Due to the hardware present in Colorado devices, chirp™ detection range may be less than that of other compatible devices. Updated magnetic Earth field data.
Fixed issue with certain JPEGs not drawing from Custom Maps.
Fixed issue with Oblique Mercator User Grid distances.
Fixed line color when navigating a track off-road.
Changes made from version 3.40 to 3.50:
Added brightness adjustments for BirdsEye imagery. (On the map, press options, Select Map, BirdsEye Satellite Imagery)
Increased the map drawing range to allow maps to draw farther south.
Fixed map display problems.
Fixed improperly cropped review text.
Changes made from version 3.30 to 3.40:
Added BirdsEye control to Profiles.
Fixed map display problems.
Fixed issue setting marine map modes.
Changes made from version 3.20 to 3.30:
Changes made from version 3.10 to 3.20:
Added profile support for Garmin Custom Maps
Fixed lockup while using GB Discoverer maps
Changes made from version 3.00 to 3.10:
Added support for Garmin Custom Maps
Improved along road routing performance
Improved map panning and zooming
Changes made from version 2.90 to 3.00:
Added Waypoint Averaging application. (For more information visit our new Trail Tech website at http://garmin.blogs.com/softwareupdates/trail-tech/)
Added ability to load maps from any img file in the Garmin directory
Added ability to see a list of points from the map when several points are at the same location
Added customizable text to unit power-on screen (see \Garmin\startup.txt)
Improved render quality of GB Discoverer maps and maps with satellite imagery
Improved power on reliability
Improved connection reliability with Spanner
Improved appearance of depth data field when using big numbers
Fixed some scan points not working properly with Garmin GB Discoverer maps
Fixed issue with Garmin GB Discover maps not showing at some zoom levels with detail set to least
Fixed errors in user grid entry
Fixed the time label of the graph in Elevation Plot
Fixed selection of Leap Day on Calendar, Hunt & Fish and Sun & Moon pages
Fixed hunting waypoint symbols not transferring properly
Fixed issues with routing avoidances
Changes made from version 2.80 to 2.90:
Added support for Garmin GB Discoverer maps
Added ability to view marine chart notes for marine points
Added ability to change the date for the tide and currents charts
Added support for marine fishing, nautical, and off modes
Fixed a potential shutdown that can occur when panning the map that is showing satellite imagery
Fixed issue with 3d view not showing proper elevation detail
Changes made from version 2.70 to 2.80:
Fixed issue when marking waypoints in the W Malayan RSO position format.
Added GDA94 and NAD83 datum support.
Fixed importing gpx files from outside of the Garmin\GPX folder.
Changes made from version 2.60 to 2.70:
Improved accuracy of altimeter for large altitude changes.
Fixed text writing on top of itself in some geocaches descriptions.
Fixed freeze when loading some geocaches descriptions.
Fixed issues with power off pressure trending.
Added support for downloading geocaches written using Groundspeak v1.1 extentions.
Improved map drawing performance in some situations.
Fixed 3D View not showing detail from supplemental maps.
Fixed waypoint and geocache symbols not updating on the map after being changed.
Fixed issue where the Colorado would temporarily stop responding after a spell search.
Fixed issue with elevation over time plot.
Fixed issue with position format not saving over power cycles.
Fixed issue with display of selected location config field.
Changes made from version 2.50 to 2.60:
Added ability to turn elevation shading off, included in user profile settings
Added ability to log a comment with geocaching Field Notes
Added ability to save map selections to user profile settings
Added compass setting to saved user profile settings
Added tracback along current track
Added ability to determine public land survey or USGS Quad name for Topo 24k HD cartography
Added progress bar during software updates
Added error message when the max number of geocache or gpx files is exceeded
Added ability to search near a map point
Added ability to use the map to add a point to a route
Fixed shutdown when deleting a waypoint from the map
Improved odometer distance calculation
Improved Wherigo engine
Improved backlight behavior
Improved compass / GPS heading autoswitch behavior
Improved keyboard behavior in address & intersection searches
Improved behavior in low battery state
Improved behavior of turn-by-turn route recalculations
Improved map drawing to eliminate redraws when not necessary
Improved map drawing to reduce partial map draws
Improved map drawing to enhance appearance of trails
Improved usability of WGS84 by listing as a datum rather than just a spheroid
Improved automatic track archiving when archiving very lengthy activity segments
Improved button behavior when logging geocache attempt
Improved stopwatch timing
Improved distance precision when reviewing a point and tracks.
Improved inter-tidal color in non-marine colors
Improved readability of geocache_visit.txt
Increased maximum number of GPX files processed to 200
Corrected guidance text to not truncate streets when not necessary
Corrected behavior of proximity alarms in custom points of interest
Corrected potential issues that prevented user alarm from sounding
Corrected map drawing above 75 degrees latitude
Corrected potential issue when attempting to delete profiles
Corrected issue that generated extra waypoints at poweron when 'Mark Waypoint' was the first listed shortcut
Corrected potential issue preventing 'Waypoints' from being listed in 'Where to?'
Corrected issue that prevented poor signal strength messages from disappearing if a fix was achieved
Corrected calculated issue that prevented complete display of large numbers
Corrected specified schema path for GPX files
Corrected Dutch keyboard to include 'Z' for address searches
Corrected User Grid to retain settings between power cycles
Corrected User Grid to allow 'E' and 'W' for longitude origin entry
Corrected shutdown issue when unit has empty Saved.gpx file
Corrected issue of missing active route when you select 'GO' from the full screen map in geocache mode
Corrected issue when selecting a custom poi from the recent found list after it is removed from the system.
Corrected issue when selecting units on the stopwatch page using non-English languages.
Corrected issue when you spell a geocache and the list doesn't reduce when the keyboard auto-pops
Corrected issue where you can't get to a hint for a geocache once you set it to found then back to unfound
Corrected issue where the chart information option would show up incorrectly
Corrected duplicate entries in the other menu when in page loop mode.
Corrected external power lost message in non-English languages
Corrected issue with waypoint symbol selection shutdown
Corrected issue where the unit will hang when you try to restore a Wherigo cartridge.
Corrected potential shutdown going to mass storage mode when you have custom POI's loaded
Corrected issues with Cyrillic characters
Changes made from version 2.40 to 2.50:
Added ability to reposition waypoint to current location
Added support for language-specific keyboards
Added support for editing location in all position formats
Added Spanner support
Improved drawing of BlueChart tidal areas
Improved performance when exiting mass storage mode
Improved paperless goecaching (various)
Improved Wherigo player (various)
Corrected potential shutdown when selecting maps with a large variety of maps loaded
Corrected potential shutdown when profiling a long route
Corrected avoiding highways
Corrected display of found geocaches
Corrected issue preventing name of lakes and rivers from showing when highlighted
Changes made from version 2.30 to 2.40:
Improved acquisition time in certain circumstances.
Improved power on time.
Improved backlight support.
Improved support for NiMH batteries.
Improved Wherigo player.
Added ability to show and review geocaches on the map.
Added ability to log geocaches as found.
Increased maximum geocache count to 2000.
Added support for BlueChart currents.
Added ability to view extended information for custom POI's.
Added ability for turn preview beep to reset the backlight timeout.
Corrected map to display road labels.
Corrected map to display small towns.
Corrected map to not change orientation when beginning pan mode.
Corrected metric nautical setting to display appropriate map scale.
Support for Colorado Field Notes, at geocaching.com.
Changes made from version 2.20 to 2.30:
Added ability to turn off the compass.
Alarm clock will not change your backlight if it is already on.
Low battery warning now shows on powerup when appropriate.
Improved DEM shading with supplemental maps.
Fixed marine colors for depth soundings and active track.
Added ability to view extended chart information and chart notes.
Improved Share Wirelessly connection.
Changes made from version 2.10 to 2.20:
Fixed potential shutdown when using partially discharged alkaline batteries and significant amounts of backlight.
Improved backlight usability.
Corrected potential memory leak on altimeter page.
Corrected issue that changed map setting to north up if reviewing a point on the map.
Changed the automotive view angle to match automotive products.
Added ability to exit compass calibration if calibration fails.
Improved performance and error handling of Share Wirelessly application.
Corrected tone of route turn warnings.
Added height and depth information on review pages if the information is available (related to marine maps).
Corrected drawing of spot soundings.
Improved drawing of satellite imagery in 400i and 400c.
Improved drawing of BlueChart g2Vision maps.
IBM-compatible PC running Windows XP or later operating system and an available USB port.