36 GPSMAP 2206/2210 Owner’s ManualM AIN PAGES > M AP PAGECartographyThe GPSMAP 2206/2210 has a built-in worldwide database, with more detailedcoverage available through the use of optional BlueChart or MapSource data. Theunit shows cartography as long as chart information is available for the selectedrange.The GPSMAP 2206/2210 accepts preprogrammed data cards and is compatiblewith the latest BlueChart g2 series marine cartography, which features integratedmapping, 2-D or 3-D map perspective, tide and current data, improved IALAsymbols, navaids, marinas, boat ramps, and roads.Map Page with BlueChart g2 CartographyMap coverage conforms to the following conditions:• Cartography appears when the selected zoom range is covered by either theinternal database, BlueChart, or BlueChart g2 data.• When the selected zoom range is covered by both the internal database andBlueChart or BlueChart g2 data, the cartography with the best resolutionappears.• When the selected zoom range exceeds the resolution of the data in use,overzoom cartography appears and an overzoom warning appears belowthe range.Using Built-In BasemapUsing BlueChart/BlueChart g2/MapSource DataOverzoom, No Additional Data
