Garmin GI 275 Pilot's Manual page 164

Hazard Avoidance
The following figure shows the relative terrain coloring.
The following tables show relative obstacle and wire symbols and coloring used by the
terrain systems.
Unlighted Obstacle
< 1000' > 1000'
AGL AGL
Wire Obstacle
142
Relative Terrain Altitude/Color Correlation
Lighted Obstacle
< 1000' > 1000'
AGL AGL
Relative Obstacle Symbols and Colors
Wire Obstacle Location
Red wire obstacle is above or within 100 ft below the aircraft altitude
Yellow wire obstacle is between 100 ft and 1000 ft below the aircraft
altitude
White wire obstacle is more than 1000 ft below aircraft altitude
Relative Wire Obstacles and Colors
Garmin GI 275 Pilot's Guide
Obstacle Location
Red obstacle is above or within 100 ft
below the aircraft altitude
Yellow obstacle is between 100 ft and
1000 ft below the aircraft altitude
White obstacle is more than 1000 ft below
aircraft altitude
190-02246-01 Rev. A