Garmin G500 Pilot's Manual page 93

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.
Topo Data Off Topo Data On
Figure 3-27 Navigation Map Topo Data
Figure 3-28 Navigation Map Topo Data Selection
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190-01102-02 Rev. E Garmin G500 Pilot's Guide