11
Getting Started
Annunciations
The following annunciations appear on the appropriate displays to provide status or information. All annunciations
are available on the moving map display. Annunciations may be output to external annunciators.
Annunciation
Description
GPS
Indicates GPS is being used as the navigation source. Appears in lower left corner of the display.
VOR/ILS/LOC
Indicates VOR/ILS/LOC is being used as the navigation source. Appears in lower left
corner of the display.
ENR
Appears to the right of the “GPS” annunciator when in En Route mode. When > 30 nm
from departure or destination and not on departure or arrival procedure. CDI resolution
is ± 2 nm.
TERM
Appears to the right of the “GPS” annunciator when performing approach navigation
within 30 nm of departure or arrival airport. CDI resolution is ± 1 nm.
APPR
Appears to the right of the “GPS” annunciator when GPS approach is active, and on Final
Approach course (i.e. VTF or FAF, MAP, or the first Missed Approach waypoint is active. CDI
resolution is variable for all approaches and becomes more sensitive as you near the runway.
LOI
“LOI” (Loss of Integrity) appears on the left side of the map display when WAAS/GPS is
unable to calculate the integrity of the position or calculated integrity is insufficient to
support the current phase of flight.
BC
The Back Course annunciation appears to the right of “LOC” when the Back Course
Localizer mode is enabled.
DR
The Dead Reckoning annunciator appears on the left side of the map display when GPS
position is unavailable and the GNS 480 is in Dead Reckoning mode. Dead Reckoning
mode will continue until GPS position is restored or the first Pilot Nav leg is reached.
PTK
The Parallel Track annunciator appears in the lower left corner of the display when paral-
lel track is active.
SUSP
Suspend annunciation appears in the lower left corner of the display when automatic
sequencing of waypoints in the active flight plan is suspended.
Summary of Contents for GNS 480
Page 1: ...DRAFT GNS 480TM color GPS WAAS NAV COM pilot s guide ...
Page 16: ...8 Getting Started ...
Page 17: ...9 Getting Started ...
Page 18: ...10 Getting Started ...
Page 24: ...16 Getting Started Nav Terms Diagram Flight Plan Terms Diagram ...
Page 158: ...150 Index ...
Page 159: ......