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FCOM 19 AUG 10
(3) Center Part Messages
The screen displays a MODE CHANGE message in green ‐ if there is a discrepancy between
the selected mode on the EFIS control panel and the mode sent from the onside FMGC, or
while the DMC is preparing a new page for display.
‐ The screen displays a RANGE CHANGE message in green if there is a discrepancy
between the range selected on the EFIS control panel and the range sent from the onside
FMGC. A MODE CHANGE message has priority over a RANGE CHANGE message.
‐ The screen displays a MAP NOT AVAIL message in red for several reasons :
• The MODE CHANGE or RANGE CHANGE message has been displayed more than six
seconds.
• A disagreement between DMC and FMGC has been detected while EFIS control panel is
failed (default mode ROSE NAV 80 nm).
• The FMGC is not able to indicate the flight plan reference point (back up mode) while
PLAN mode is selected.
• The FMGC has failed.
• The FMGC has delivered an invalid aircraft position.
‐ The screen displays CHECK ND (1,2) message (amber) when the DMC detects a
discrepancy between acquisition and display of parameters.
‐ The screen displays CHECK EWD message (amber) when the DMC detects a discrepancy
between acquisition and display of E/WD parameters.
‐ The screen displays a W/S SET RNG 10 nm message if a predictive windshear alert is
triggered and the range is above 10 nm.
‐ The screen displays a W/S CHANGE MODE message if a predictive windshear alert is
triggered and the ND is not in ARC or ROSE mode. The message appears in red or amber
corresponding to the windshear alert.
(4) LOC Flag (red)
If LOC data fails, this flag flashes for nine seconds, then remains steady.
(5) G/S Flag (red)
If G/S data fails, this flag flashes for nine seconds, then remains steady.
(6) VOR Flag (red)
In ROSE VOR mode, when the VOR bearing is not valid, this flag flashes for nine seconds,
then remains steady.
(7) VOR1(2) or ADF1(2) or DME1 Flag (red)
If a navigation receiver fails, the appropriate one of these flags flashes for nine seconds, then
remains steady.
(8) VOR Course flag
If the VOR course fails, a red CRSXXX flag appears.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 25/30
FCOM 19 AUG 10
If there is Non-Computed Data (NCD), a blue CRS - - - flag appears.
(9) Other messages
MAP PARTLY DISPLAYED (amber) : In case of incomplete data transmission between the
FMGC (priority criteria) and the DMC, or if the DMC
cannot draw the complete MAP.
NAV ACCUR UPGRAD (white), or
NAV ACCUR DOWNGRAD (amber)
: Signals a change in navigation accuracy.
SPECIF VOR/D UNAVAIL (amber) : If the navaid, that is tuned for the selected approach
or departure, is not available.
BACK UP NAV (amber) : If the MCDU backup navigation mode is
activated (Refer to STLO-22_10_R-30 BACK UP
NAVIGATION MODE).
OFF SIDE FM CONTROL (amber) : If the offside FM supplies the ND.
CHK FLT PLN POSITION (amber) : On ARC or ROSE NAV mode, if the DMC detects a
disagree between the acquisition and the display of
the flight plan.
SELECT TRUE REF (amber) : When entering the polar area, if the TRUE North
reference is not selected by the flight crew
(MAG/TRUE pushbutton).
CHECK NORTH REF (amber) : The NORTH REF pushbutton selection does not
match the airport MAG/TRUE bearing reference (as
stored in the FMGS navigation database), either
at the departure airport (during preflight), or at the
destination airport (when entering the ARRIVAL
area)
↓􀀃(Green)􀀃:􀀃Overflow􀀃arrow,􀀃displayed􀀃when􀀃more􀀃than􀀃
one of the following messages are present
at the same time :
‐ NAV ACCUR DOWNGRAD
‐ NAV ACCUR UPGRAD
‐ SPECIF VOR/D UNAVAIL
‐ SELECT TRUE REF
‐ CHECK NORTH REF
‐ GPS PRIMARY
‐ GPS PRIMARY LOST
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 26/30
FCOM 19 AUG 10
GPS PRIMARY (white, boxed white) : This message appears when GPS PRIMARY mode
is available, or has been recovered. The pilot can
clear this message by pressing the CLR key on the
MCDU.
GPS PRIMARY LOST (amber, boxed
white)
: This message appears when GPS PRIMARY is not
available, and is not clearable by pilot action.
(10) OFST R(L) XX message (yellow)
This message is displayed, when a temporary or an offset flight plan is entered. The offset
　
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