Garmin G500H Pilot's Manual page 87

Nav Range Ring
When turned on, the Nav Range Ring option will show a ring with a compass
rose oriented to magnetic north around your present position on the Map page.
When selected ON, the Enhanced Range Ring function provides a second ring
at 1/2 the distance of the primary ring to allow the pilot to acccurately judge
distance to objects depicted on the map.
Topo Data
The Topo Data option selects whether the colored topographical features are
displayed. Traffic, Land Data, Terrain, and Obstacles will still be displayed even
with Topo Data turned off.
190-01150-02 Rev. J
Figure 3-16 Navigation Map Range Ring
Topo Data Off
Figure 3-17 Navigation Map Topo Data
Garmin G500H Pilot's Guide
Range Ring Radius
Range Ring with Compass Rose
Topo Data On
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