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5 terrain page – Garmin GPS 400 User Manual

Page 41

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GPS 400 Pilot’s Guide and Reference

190-00140-60 Rev. H

SECTION 2

NAV PAGES

2-15

2.5 TERRAIN PAGE

NOTe: The TerraiN Page does not appear on
GPS 400 units that are not properly equipped
with or configured for TerraiN. See Section 9
for a full description of TerraiN functions.

TERRAIN Page

To display the TERRAIN Page, select the NAV Page

Group and turn the small right knob until the TERRAIN
Page is displayed (Figure 2-26 and 2-27). The TERRAIN
Page displays:

• GPS-derived MSL altitude shown in increments of

20 feet or 10 meters, depending on unit configu-
ration. The ‘G’ to right of the MSL altitude display
reminds the pilot that altitude is GPS-derived.

• Aircraft ground track
• Terrain Range - Indicates the terrain elevation in

colors relative to the aircraft altitude

• Range marking rings - (1 nm, 2 nm, 5 nm, 10 nm,

25 nm, 50nm, and 100 nm)

• Heading Indicator - The heading indication on the

TERRAIN Page always displays ‘TRK’ for Track-
up, unless there is no valid heading

• Obstacles
• Potential Impact Points

Figure 2-26 TERRAIN Page 120˚ View

GPS-derived

MSL Altitude

Red Terrain (Warning - Terrain Above or

Within 100’ Below Aircraft Altitude)

Number of Pages in

Current Page Group

Position of

Current Page

within Current

Page Group

Current Page Group

Heading

Indicator

Figure 2-27 TERRAIN Page 360˚ View

Yellow Terrain (Caution

- Terrain Between 100’

and 1000’ Below Aircraft

Altitude)

Black Terrain (No Danger

- Terrain More than

1000’ Below Aircraft

Altitude)

Range

Marking

Ring

Selectable Display Settings

The TERRAIN Page has two selectable view settings:

• 360˚ View - View from above aircraft depicting

surrounding terrain on all sides

• 120˚ View - View of terrain ahead of and 60˚ to

either side of the aircraft flight path (Figure 3-27)

NOTe: The TerraiN Page gives a ‘Track Up’
display orientation, as indicated by the ‘TrK’
label shown on the display. This is the only
orientation available on this page.