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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 21/30
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):Overflowarrow,displayedwhenmorethan
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 22/30
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
value is given in NM.
Note: For TCAS messages (Refer to DSC-34-80-20 TCAS MESSAGES).
(11) GPS APP (green)
This message is displayed, when a GPS approach has been selected.
(12) PRED W/S flag (amber)
The WINDSHEAR switch on the weather radar panel is set to AUTO, and a Predictive
Windshear System fault is detected. This message appears on ground, or when flaps and slats
are extended.
It is associated with a single chime. The radar image remains available, provided that the fault
does not affect the radar mode.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 23/30
FCOM 19 AUG 10
FLAGS AND MESSAGES DISPLAYED ON ND
Applicable to: ,
(1) HDG flag (red)
If the heading data is not displayed, the rose, arc, and associated symbols, disappear and a
HDG flag will appear and flash for 9 s on the upper part of the ND. After these 9 s, the HDG
flag will stop flashing, but continues to appear.
(2) CHECK HDG flag (amber)
If the FWC detects a disagree (5 °) between ND 1 and ND 2, a CHECK HDG flag will begin to
flash for 9 s. After these 9 s, the CHECK HDG flag will stop flashing but will continue to appear
on both NDs, and is associated with an ECAM caution. If plan mode is selected, the CHECK
HDG flag will not appear.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 24/30
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 3(82)
