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Whether you're cruising the streets or pounding the waves, Garmin has the maps you need. Choose the U.S. Roads and Recreation software for city street level detail and even inland marine features such as lake and river shorelines, boat ramp and marina locations. Other software gives you worldwide coverage of coastlines, including a database of coastal cities, navaids and inland roads.
Even without additional cartography, the basemap in the GPS III Plus will get you where you're going. More than 10,000 new towns have been added to the permanent basemap, as well as airport locations, secondary roads in metro areas and even detailed exit information for the federal interstate highway system, including information about available lodging, food and service stations.
- Basemap: Built-in detailed Americas Highway or Atlantic Highway basemap to 20 miles with lakes, rivers, interstates, national/state highways, secondary roads in metro areas, cities, railroads, airports and a detailed exit database for the Federal Highway system in the US only
- MapSource: Compatible with most GARMIN MapSource products. Accepts up to 1.44 megabytes of downloaded map detail.
- Map Scale: Screen-width scale (500 feet to 3,000 miles)
- Waypoints: Total: 500 each with name, symbol, comment, and map display option Nearest: 9 (automatic) continuously updated
- Routes: 20 reversible routes with up to 30 waypoints each, plus MOB and TracBack modes
- Track Log: 1900 points
- Map Datums: 106
- Coordinates: Lat/Lon, UTM/UPS, MGRS, Loran TDs, plus other grids, including Maidenhead and User Grid
- Corrected problem with waypoint and track log positions being modified slightly when stored (e.g. when received through the serial interface).
- Updated magnetic variation tables based on the IGRF 2000 model.
- Added an 8th digit to False Northing component of the User Grid Setup.
- Corrected problem with Loran TD conversions to latitude/longitude.
- Corrected problem with the backlight timer not being set when the backlight is turned on immediately after power-up.
- Corrected display of invalid characters.
- Removed ability to change orientations through the contrast page on the power-on screen.
- Added Differential Beacon Scanning.
- Added MGRS and Loran TD position formats.
- Corrected problem with displaying maps which are along the 180 degree longitude border.
- Modified the arrival alarm to give approach notification at intermediate route waypoints when set to 'On'.
- Only display copyright page when unit contains maps with non-Garmin copyrights.
- Adjusted times recorded in track points by applying leap seconds.
- Corrected problem with displaying the spell-n-find city name and city size.
- Corrected problem related to revisiting the Routes page after changing the display orientation from portrait to landscape.
- Corrected problem that occurred when switching orientations on the Mapsource Info page and on the map page.
- Changed map display to only display map borders when at 20mi/30km zoom scale or above to lessen clutter.
- Changed geo point airport search to include all types of airports.
- Corrected display problem with sunrise/sunset times for areas where the sun does not rise/set.
- Added Nearest Geo Point Search Tab and Setup Page. Please Note: This is a new tab added to the series of nearest search tabs. The setup option through the menu of this page allows the search to be limited by choosing categories to include in the search. Points from all categories will not be present on all maps. This search is performed on the best (most detailed) map for the current position. The search map can be changed from the map at the current position by moving the pointer to the desired search area and choosing the MENU -> NEAREST TO PTR selection from the map page.
- Added additional copyright page to display copyright strings for the basemap and supplemental maps.
- This page also displays the Map Set Name and Date created.
- Added characters to fonts to display foreign city strings.
- Added 3 new user waypoint symbols.
- Improved edge of map detection for supplemental maps.
- Switches maps when data stops instead of using rectangular box.
- Modified DGPS warnings to be friendlier. Only displays warning after connected to a DGPS unit if in DGPS mode.
- Corrected long track/route name wrapping.
- Corrected deleted waypoint handling on Goto page.
- Added map drawing enhancements to support maps containing topographic features.
- Added menu option Nearest to Pntr to the Map Page which provides access to the nearest points lists when panning on the map.
- Added menu option Cities Setup to the Nearest Cities page which provides access to the City Categories page.
- Added Geo setup page to the map setup pages.
- Added Topo setup page to the map setup pages (to support maps containing topographic features).
- Added a map display setting for street label sizes on the Line setup page.
- Added map display settings for marine navigation aids and railroad label size on the Other setup page.
- Added an interface format for simple output of position, velocity, and time text.
- Added 15 new user-selectable waypoint symbols.
- Increased maximum backlight brightness.
- Adjusted the definition of the Hu-Tzu-Shan map datum.
- Improved drawing of interstate exit points in MapSource maps for better visibility.
- Changed City Map and Exit Map pages to allow panning with the pointer.
- Corrected ordering of exits in the nearest exits list to reflect the current direction of travel.
- Corrected interpretation of interstate exit services data found in MapSource maps.
- Corrected orientation change processing on the MapSource Info page.
- Changed the interstate exit page to always allow access to the service list when services are present (even if no services match the categories selected in the Services Setup).
- Corrected flaws with waypoint storage and map drawing when using a map datum other than WGS 84.
- Corrected orientation change processing when backlight/contrast page overlays the database disclaimer page.
- Corrected waypoint Spell'n Find search behavior for names containing spaces.
