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Apollo CNX80 Pilot’s Guide
5
Annunciations
The following annunciations appear on the display to provide status or 
information. All annunciations are available on the display. Annuncia-
tions may be output to external annunciators, but are not required.     
Annunciation
Description
GPS
Indicates when GPS is being used as the source. 
Appears in lower left corner of the display. 
VOR/ILS/LOC
Indicates when VOR/ILS/LOC is being used as the 
source. Appears in lower left corner of the display.
ENR
Appears to the right of the “GPS” annunciator when in 
En Route mode. 
TER
Appears to the right of the “GPS” annunciator when 
performing approach navigation within 30 nm of 
departure or arrival airport. 
APPR
Appears to the right of the “GPS” annunciator when 
GPS approach is active. 
LOI
“LOI” (Loss of Integrity) appears on the left side of the 
map display when WAAS/GPS detects a position error 
or is unable to calculate the integrity of the position. 
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 lost and 
the CNX80 is in Dead Reckoning mode. Dead Reckon-
ing 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 parallel track is active. 
SUSP
Suspend annunciation appears in the lower left cor-
ner of the display when automatic sequencing of way-
points in the active flight plan is suspended. 
M
Message annunciation appears in the lower left cor-
ner of the display when a message is available for 
viewing. A blinking “M” indicates a new message. 
VTF
Vector To Final annunciation appears in the lower left 
corner of the display when “Vector To Final” is active. 
Displa
y
CNX80 Pilot Guide 560-0984-00C Draft1.book  Page 5  Tuesday, September 2, 2003  10:36 AM