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2 - NAV PAGES
44
190-00356-00 Rev B
To enable TERRAIN:
Enabling Terrain
1. Select the TERRAIN Page and press
MENU
.
“Enable Terran?” s selected by default.
2. Press
ENT
. The TERRAIN system s functonal
agan.
Terrain Symbols
The symbols shown below are used to represent
obstacles and potential impact points on the Terrain
Page. Note that obstacle symbols are shown on display
zoom ranges up to 10
NM
:
The Garmin TERRAIN system uses yellow (caution)
and red (warning) to depict terrain information relative
to aircraft altitude. Each color is associated with an
alert severity level. Terrain graphics and visual annun-
ciations also use these color assignments.
NOTE
: If an obstacle and the projected flight path of
the aircraft intersect, the display automatically zooms in
to the closest potential point of impact on the TERRAIN
page.
Terrain Operation
Obstacle Symbol
Unlighted Obstacle
Lighted Obstacle
Color
(Alert Level)
TERRAIN/Obstacle
Location
< 1000’ AGL
> 1000’ AGL
< 1000’ AGL
> 1000’ AGL
Red
(Warnng)
Terran/Obstacle above or
wthn 100 ft below current
arcraft alttude
Yellow
(Cauton)
Terran/Obstacle between
100 ft and 1000 ft below the
arcraft alttude
Terrain Color Symbology
Potential Impact Point
Unlighted Obstacle
Projected Flight Path
£äääÊvÌÊ
£ääÊvÌÊ/ Àià `Ê
4ERRAINMORETHANFTBELOWTHEAIRCRAFTALTITUDE"LACK
4ERRAINBETWEENFTANDFTBELOWTHE
AIRCRAFTALTITUDE9ELLOW
4ERRAINABOVEOR
WITHINFT
BELOWTHEAIRCRAFT
ALTITUDE2ED
TERRAIN Altitude/Color Correlation
Summary of Contents for GNC 420AW
Page 1: ...Pilot s Guide Reference 400W Series ...
Page 10: ...INTRODUCTION viii 190 00356 00 Rev B Blank Page ...
Page 70: ...2 NAV PAGES 60 190 00356 00 Rev B Blank Page ...
Page 90: ...4 FLIGHT PLANS 80 190 00356 00 Rev B Active Flight Plan Shortcuts Blank Page ...
Page 154: ...7 NRST PAGES 144 190 00356 00 Rev B Nearest Airspaces Blank Page ...
Page 186: ...10 FDE 176 190 00356 00 Rev B Blank Page ...
Page 213: ......