Eagle IntelliMap 502C iGPS Installation And Operation Instructions Manual page 35

The Zoom In and Zoom Out keys zoom the map to enlarge or reduce its
coverage area and the amount of mapping detail shown. There are 40
available map zoom ranges, from 0.02 miles to 4,000 miles.
Map Page (left) opening screen. The center image is zoomed to 100
miles and at right zoomed to 10 miles. Over Zoomed means you have
reached the detail limits in an area covered only by the basic back-
ground map. Zooming in any closer will reveal no more map details
because a high-detail custom map has not been loaded on the MMC for
Map Pages with high-detail MapCreate map of urban area loaded on
the MMC. Arterial streets are visible (left) at the 4 mile zoom range.
In the center figure numerous dots representing Points of Interest are
visible at the 2 mile range along with minor streets. In the right image,
at the 0.4 mile zoom, you can see an interstate highway with an exit,
major and minor streets as well as Point of Interest icons.
If you're using only the factory-loaded background map, the maximum
zoom range for showing additional map detail is 15 miles. You can con-
tinue to zoom in closer, but the map will simply be enlarged without
this area.
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