Garmin GTN 625 Pilot's Manual page 514

Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
17.6
Proc
Symbol
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
17-6
250 ft
250 ft
500 ft
Figure 17-3 HTAWS Altitude/Color Correlation
Basemap Symbols
Interstate Highway
State Highway
US Highway
National Highway - 2-digit drawn inside
Small City or Town
Medium City
Large City
Table 17-10 Basemap Symbols
Garmin GTN 625/635/650 Pilot's Guide
Terrain is more than 250 ft above
the aircraft altitude (Red)
Terrain is between 0 ft and 250 ft below the aircraft altitude (Yellow)
Terrain is between 250 ft and 500 ft below the aircraft altitude (Green)
Terrain more than 500 ft below the aircraft altitude (Black)
Description
Terrain is between
0 ft and 250 ft above
the aircraft altitude
(Orange)
190-01004-03 Rev. K