Garmin GDL 30A Owner's Manual - Page 19

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Visibility

Visibility is the maximum horizontal distance that can be seen. Isobars on the Visibility feature show a

change in visibility. In the example below, visibility ranges from .5 miles to 3 miles.

Weather Features

You can get a general idea of reduced visibil-

ity across a wide area when the map view is

signiﬁ cantly zoomed out, as shown in the image

above.

The inset displays NEXRAD weather data in addi-

tion to visibility. This provides a clearer picture of

the true weather conditions in this area.