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Applicable to: ,
MODIFIABLE ONLY FOR DESELECTION
Line 1 This line displays the navaid tuned for display purposes, and the tuning
mode (AUTO, MAN, or RMP).
Line 2 and 3 These lines display the navaids, if any, tuned for the calculation of radio
position by the FMGC.
[ 4L ] This field displays the tuned ILS (or MLS), if any.
[ 5L ]
DESELECT/SELECT
GPS
The crew presses this key to manually select or deselect the GPS for
position computation. Upon transition to DONE phase the prompt returns
to DESELECT status.
If the pilot deselects the GPS, “GPS IS DESELECTED” is displayed when
the aircraft is at less than 80 nm from the top of descent, or in approach
phase.
[ 6L ] RETURN The pilot presses this key to return to the position monitor page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 72/124
FCOM 19 AUG 10
[ 1R ] DESELECT to
[ 6R ]
The pilot deselects a navaid by entering its identifier in one of these six
fields. Once deselected in this way, the navaid can no longer be tuned
manually through the entry of its ident, nor can it be autotuned for display
or determination of the position for the rest of the flight.
The deselection is cleared
manually by a CLR action into this field, or‐
automatically upon transition to the done or preflight phase, or upon‐
activation of the second database.
The pilot may deselect as many as six stations.
IRS MONITOR PAGE
Applicable to: ,
GENERAL
This page displays the IRS data. The crew calls up this page by pressing the IRS monitor prompt
of the DATA INDEX page.
TITLE DRIFT AT XXXX
(amber)
Displays “DRIFT AT” runway identifier if at least one IRS average drift is
displayed.
[1L] to [3L] IRS 1(2) (3)
(white)
These prompts allow access to the associated IRS pages. Each label line
displays the mode (NAV, ALIGN, ATT or INVAL) the average drift (upon
transition to DONE phase) the Time To Nav (if IRS in align) for each IRS.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 73/124
FCOM 19 AUG 10
[1R] to [3R] Displays the status message of the associated IRS in green small font.
List of available messages :
IR FAULT
CHECK C/B
DELAYED MAINT
CDU FAULT
ENTER PPOS
ENTER HEADING
SELECT ATT
REENTER PPOS
EXCESS MOTION
SYS BELOW – 15 °
SWITCH ADR
[5R] SET HDG (white) This field is displayed if at least one IRS is in ATT mode.
This function allows initialization of a heading for IRS in ATT mode.
• If a heading has been entered in this field or on the ADIRS panel the
value is displayed in blue.
• If not, amber boxes are displayed.
IRS 1 (2)(3) PAGE
This page displays the IRS parameters, and GPS/IRS hybrid parameters, if GPS 　 . This page
is accessed either by pressing the 1L key from the IRS MONITOR page, or the NEXT IRS prompt
on another IRS page (closed loop).
TITLE Displays the selected IRS in large white font.
When data is frozen, IRS is replaced by “IRS FROZEN AT”, followed by
the time at which the pilot has frozen the display.
[1L] POSITION Displays the latitude/longitude given by the selected IRS.
[2L] TTRK True track
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 74/124
FCOM 19 AUG 10
[3L] THDG True heading
[4L] WIND True wind direction/velocity
[5L] GPIRS GPS/IRS hybrid position of the IRS
[6L]
FREEZE/UNFREEZE
Allows the crew to freeze or unfreeze all data displayed on all three IRS
pages. When the data is frozen, the title of the page specifies the time at
which it was frozen. It is automatically unfrozen when the page is exited.
[2R] GS Ground speed
[3R] MHDG Magnetic heading
[4R] GPIRS ACCUR GPS/IRS Figure of Merit (meters or feet)
[6R] NEXT IRS This prompt enables the display of another IRS page (closed loop IRS 1 →
2 → 3 → 1)
GPS MONITOR PAGE (IF INSTALLED)
Applicable to: ,
This page displays the GPS data. The pilot calls up this page by pressing the GPS MONITOR
prompt of the DATA INDEX page.
Line 1 and 4 GPS 1,2 POSITION
[ 2L ] and [ 5L ] TTRK GPS 1, 2 true track
[ 3L ] and [ 6L ] MERIT GPS 1, 2 figure of merit (meters or feet)
　
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