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[5R] DELETE ALL The pilot presses this key to delete all pilot stored data except data that is
part of the active and secondary flight plans.
DUPLICATE NAMES PAGE
Applicable to:
GENERAL
This page, which appears automatically, allows the pilot to select a specific waypoint, airport, or
navaid when the database holds more than one under the same identifier.
The pilot presses the key adjacent to a waypoint, navaid, or airport to select it as the one to
be entered. When the pilot has finished, the page reverts automatically to the page displayed
previously.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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LAT/LONG COLUMN
This column lists the rounded off latitudes and longitudes, of the different points using the same
identifier.
FREQ/CHAN COLUMN
This column lists the frequencies of the navaids, if any. It displays CHAN for an MLS.
Note: • The DUPLICATE NAMES page is not displayed when 2 waypoints with the same
ident belong to the same airway. The system selects the first waypoint found in the
database.
• The waypoints or navaids are ranked by their distance from the aircraft position.
• When a waypoint is named using ICAO phonetic alpha characters, a minus sign and
the ICAO code of the country where the waypoint is located, are displayed.
e.g. Alpha in France becomes A-LF
Bravo in England becomes B-EG.
POSITION MONITOR PAGE
Applicable to:
GENERAL
The position monitor page displays all the different positions that the FMGC has computed with the
different methods of navigation available. It also displays which method obtained each position.
(The positions should be almost identical).
The flight crew calls up this page by pressing the 1L key on the data index page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
Applicable to:
POSITION MONITOR AND POSITION FROZEN PAGE
Line 1 FMGEC 1 This line shows the latitude and longitude as calculated by the onside
FMGC, and the method of navigation the FMGC used for that calculation
(for example, “3IRS/DME/DME”).
Line 2 FMGEC 2 This line shows the latitude and longitude as calculated by the opposite
FMGC, and the method of navigation used.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-20 P 66/116
FCOM 19 AUG 10
Line 3 RADIO or GPS
or GPIRS
This line shows the latitude and longitude the onside FMGC calculated
from selected radio navaids (for example, DME/DME VOR/DME, or LOC)
or from GPS or GPIRS.
Line 4 MIX IRS This line shows the latitude and longitude of the weighted mean inertial
reference system (IRS) that the onside FMGC calculated from the
available IRSs.
Line 5 IRS 1,2,3 This line shows the deviation in nautical miles of each IRS position from
the onside FMGC position. It also displays the IRS mode, which can be
INVAL, ALIGN, NAV or ATT.
Note: INVAL is displayed when an ADIRS has failed or the IRS position
is not refreshed.
[ 6L ]
FREEZE/UNFREEZE
The pilot presses this key to freeze (or unfreeze) all the data displayed on
the page. When the data are frozen, the title of the page specifies the time
at which they were frozen.
[ 6R ] SEL NAVAIDS The pilot presses this key to gain access to the selected navaids page.
SELECTED NAVAIDS PAGE
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.
[ 6L ] RETURN The pilot presses this key to return to the position monitor page.
[ 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
　
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