Garmin GPSMAP 3005C - Manual (Page 43)

GPSMAP 3005C Owner’s Manual 35
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Selecting Map Ranges
The map display has 28 available range scales from 20 ft to 800 mi (5 m to 1200
km). The map range is controlled by the RANGE Up and RANGE Down keys,
with the current range shown at the lower-right corner of the Map Page.
Usng Bult-In Basemap
Usng BlueChart/MapSource Data
Overzoom, no addtonal data
To select a map range:
Press the RANGE Up key to zoom out or the RANGE Down key to
zoom in.
NOTE: The scale value represents the distance from one end of the scale bar to
the other.
Cartography
The GPSMAP 3005C has a built-in worldwide database, with more detailed
coverage available through the use of optional BlueChart or MapSource data.
The unit shows cartography as long as there is chart information available for the
selected range.
The GPSMAP 3005C accepts preprogrammed data cards and is compatible with
the latest BlueChart ® g2 series marine cartography, which features integrated
mapping, 2-D or 3-D map perspective, tide and current data, improved IALA
symbols, navaids, marinas, boat ramps, roads, and more.
Map coverage conforms to the following conditions:
• Cartography appears when the selected zoom range is covered by either the
internal database, BlueChart, or BlueChart g2 data.
• When the selected zoom range is covered by both the internal database and
BlueChart or BlueChart g2 data, the cartography with the best resolution
appears.
• When the selected zoom range exceeds the resolution of the data in use,
overzoom cartography appears and an overzoom warning appears below
the range.
NOTE: The GPSMAP 3005C is not compatible with Garmin
BlueChart g2 Vision mapping data.
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