II Morrow Inc. 920 GPS - Manual (Page 28)

Here are some examples of how zooming
works:
This screen shows
a 20 nautical mile
scale selection.
A distance of 20 nautical miles exists from the
airplane icon (near waypoint SLE) to the top
of the screen.
Selecting a
smaller map scale
reveals additional
detail,
such as
runways.
This can be helpful when approaching the
destination waypoint.
B
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