Garmin G600 Pilot's Manual page 78

Topo Data
The Topo Data option selects whether the colored topographical features is
displayed. Traffic, Land Data, Terrain, and Obstacles will still be displayed even
with Topo Data turned off. Topo data and NEXRAD may not be displayed at the
same time. Turning on either Topo data or NEXRAD will automatically turn off
the other one. Turning off either Topo data or NEXRAD will not automatically
turn the other one back on.
1) While viewing the Navigation Map 1 or 2 of the Map page group, press the
MENU key. With "Map Setup" highlighted, press ENT. With the Map Group
active, turn the large MFD knob to highlight the "Topo Data" option.
2) Turn the small MFD knob to select On or Off.
3-20
Topo Data Off
Figure 3-25 Navigation Map Topo Data
Garmin G600 Pilot's Guide
Topo Data On
190-00601-02 Rev. B