A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 3(69)

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It pulses when the selection made by the pilot is not correct (STD not selected above
transition altitude in climb or STD still selected in approach below transition level or 2 500 ft
radio height if transition level is not available).
(4) Vertical Deviation (magenta)
This symbol appears next to the altitude corresponding to the theoretical vertical profile
computed by the FMGC. It is displayed from the top of descent down to the MAP altitude.
The pilot can read the VDEV directly from the altitude scale. The range is ± 500 ft. When
the VDEV value exceeds ± 500 ft, the symbol stays at the range limit and the PROG page
displays the exact value.
Applicable to:
METRIC ALTITUDE INDICATIONS
If metric reference is selected on the FCU two additional symbols are displayed on PFD.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 16/48
FCOM 19 AUG 10
(1) Target altitude or selected flight level (magenta or blue)
The display shows the selected altitude value in meters.
(2) Altitude indication (green)
The display shows the actual aircraft altitude value in meters.
Applicable to: ,
METRIC ALTITUDE INDICATIONS
If metric reference is selected on the FCU two additional symbols are displayed on PFD.
(1) Target altitude or selected flight level (magenta or blue)
The display shows the selected altitude value in meters.
(2) Altitude indication (green)
The display shows the actual aircraft altitude value in meters.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 17/48
FCOM 19 AUG 10
Applicable to:
METRIC ALTITUDE INDICATIONS (CONT'D)
(1) Radio Height
This quantity appears when it is less than 2 500 ft.
If a DH has been ‐ entered, the radio height appears :
• In green, when DH + 100 ft < RA < 2 500 ft,
• In amber, when RA < DH + 100 ft.
If "NO" is entered as the DH on the MCDU APPROACH page, 0 ft becomes a default
value.
When the aircraft reaches the decision height selected on the MCDU, DH letters flash
amber for three seconds, then stay in amber above the radio height indication.
‐ If no DH has been entered or if both FMGCs fail, the radio height appears :
• In green, when 400 ft < RA < 2 500 ft.
•􀀃In􀀃amber,􀀃when􀀃RA􀀃≤􀀃400􀀃ft.􀀃
The radio altitude indication changes every 10 ft down to 50 ft, then every 5 ft down to 10 ft,
then every foot.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 18/48
FCOM 19 AUG 10
(2) Landing Elevation (blue)
The horizontal bar on the altitude scale represents the landing elevation at the flight-planned
destination.
It is displayed :
During ‐ flight phases 7 and 8, and
‐ If the QNH reference mode is selected.
(3) Ground reference
A red ribbon on the right of the altitude scale represents the field elevation. This ribbon,
which is driven by the radio altimeter signal, is displayed below 570 ft.
It moves up, as does the lower line of the attitude sphere, with the altitude scale as the
aircraft descends. When the aircraft has touched down, the top of this ribbon is at the middle
of the altitude window.
Applicable to: ,
METRIC ALTITUDE INDICATIONS (CONT'D)
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 19/48
FCOM 19 AUG 10
(1) Radio Height
This quantity appears when it is less than 2 500 ft.
‐ If a DH has been entered, the radio height appears :
• In green, when DH + 100 ft < RA < 2 500 ft,
• In amber, when RA < DH + 100 ft.
If "NO" is entered as the DH on the MCDU APPROACH page, 0 ft becomes a default
value.
When the aircraft reaches the decision height selected on the MCDU, DH letters flash
amber for three seconds, then stay in amber above the radio height indication.
‐ If no DH has been entered or if both FMGCs fail, the radio height appears :
• In green, when 400 ft < RA < 2 500 ft.
•􀀃In􀀃amber,􀀃when􀀃RA􀀃≤􀀃400􀀃ft.􀀃
The radio altitude indication changes every 10 ft down to 50 ft, then every 5 ft down to 10 ft,
then every foot.
(2) Landing Elevation (brown)
The top of the brown surface on the altitude scale represents the landing elevation at the
　
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