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GPS 400 Quick Reference
190-00140-61 Rev. E
INHIBITING TERRAIN
13
Turning the data fields off and displaying a
full screen map:
1) With the Map Page displayed, press the MENU
Key to display the Map Page Menu.
2) Turn the large right knob to highlight ‘Data
Fields Off?’ and press the ENT Key.
3) To re-display the data fields, follow steps 1 and
2, but instead select ‘Data Fields On?’ from the
options menu.
Quickly decluttering the map display:
Press the CLR Key momentarily (as often as
needed) to select the desired amount of map
detail. The declutter level appears adjacent to
the map range.
Map Detail Level
Inhibiting TERRAIN:
1) Select the TERRAIN Page and press the MENU
Key. ‘Inhibit Terrain?’ is selected by default.
2) Press the ENT Key. The ‘TER INHB’ annunciation
is displayed in the TERRAIN annunciator field
when TERRAIN is inhibited.
Annunciator Field
NOTE: Inhibit mode deactivates TERRAIN alerting
when deemed unnecessary by the pilot. Flying
VFR into an area where unique terrain exists could
cause the system to annunciate nuisance alerts.
Pilots should use discretion when inhibiting the
TERRAIN system and always remember to enable
the system when appropriate.