Zooming In and Out of the Map
The map display has 28 available zoom scales ranging
from 20 ft to 800 nm (20 ft to 800 mi or 5 m to 1200
km). The map scale is controlled by the
IN
and
OUT
keys, with the current scale displayed at the bottom
right of the data window.
NOTE:
The scale value represents the distance
from one end of the scale bar (
) to the
other.
To select a map scale (zoom in and out):
• Press the
OUT
key to zoom out.
• Press the
IN
key to zoom in.
The system has a built-in worldwide database, with
more detailed coverage available through the use of
optional BlueChart or MapSource data. The 76CS
Plus displays cartography as long as chart information
is available for the zoom scale you have selected.
Map coverage conforms to the following conditions:
• Cartography is displayed when the selected
zoom scale is covered by either the internal
basemap or other MapSource data loaded onto
the unit.
• When the selected zoom scale is covered by
both the internal database and map information,
the cartography with the best resolution is dis-
played.
• When the selected zoom scale exceeds the reso-
lution of the data in use, “overzoom” appears
below the map scale.
No additional data is available
• When external data (such as MapSource data)
is used, “mapsource” appears below the scale.
Using detailed maps loaded in
the unit
76CS Plus Owner’s Manual
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