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┃ A~7-~'M" A321 ┃ ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
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PREDICTIVE GPS
The predictive GPS page is only operative with the Honeywell ADIRS equipment.
The predictive GPS function predicts the availability of the GPS within _+ 15 minutes of ETA
at destination, or at any waypoint entered by the crew.
Predictions are displayed on the predictive GPS page at time intervals of 5 minutes (+15
and -15 minutes of ETA).
To access this page, press the 5L key of the PROG page.
This page also enables the deselection of up to 4 satellites at a time.
CCM ALL
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┃I ~-~ A318 ┃ AUTO FLIGHT ┃1.22.20 P 11 ┃
┃ aw aw ,, ~e~ A319 ┃ ┃ ┃
┃ ┃ ┣━━━━━┳━━━━━┫
┃ Lli,~ A320 ┃ ┃SEQ 100 I ┃I REV 27 ┃
┃ A~7-~'M" A321 ┃FLIGHT MANAGEMENT ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
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;7
RADIO NAVIGATION TUNING
Radio navaids are tuned for two different purposes : display and computation.
Tuning for display may be performed in three different ways :
- automatic tuning (FMGC software)
- manual tuning through the MCDU RAD NAV page
- manual tuning through the Radio Management Panel (RMP) if both FMGCs or both
MCDUs fail.
The FMGS automatically tunes the radio navaids for the computation of radio position.
Note ~ The manual selection of a VOR or VOR/DME may prevent the FMGS from tuning a
VOR/DME automatically to compute position. If so, the relevant MCDU will display
"TUNE BBB FFF.FF" (BBB = ident, FFF.FF = frequency).
ARCHITECTURE
- In dual mode and independent mode each FMGC tunes the navaids on its side of the
console (one VOR, 5 DMEs, one ILS, and one ADF <~) simultaneously. In these modes,
the pilot can also tune the VOR (and associated DME), ILS, and ADF (<~) manually.
- In single mode, the valid FMGC will tune both side navaids. The pilot can also use the
BAD NAV page to tune both VORs, both ADFs (<~) and the ILS manually.
Manual tuning has priority over autotuning.
Note ~ If one radio receiver fails, both FMGCs use the operative radio receiver to compute
the aircraft position.
CCM ALL
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┃ ┃ ┃1.22.20 P 12 ┃
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual1(178)
