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Each system has a transceiver in the avionics compartment, and an antenna on the fuselage. Only
VHF1 functions in EMER ELEC CONFIG. Its range is from 118.0 to 136.975 MHz.
VHF has an alarm which indicates if the microphone is stuck. If a microphone is in the emission
position for more than 30 s, an interrupted tone sounds for 5 s, and the emission is turned off. To
reactivate the emission, the crew releases the push-to-talk button and presses it again.
HF (IF INSTALLED)
Applicable to:
Two identical HF communication systems are optional. Each has a transceiver in the avionics
compartment, and a common tuner and antenna in the vertical stabilizer. Its range is from 2.8 to
24 MHz.
HF
Applicable to:
,
,
MSN,,
4538,,
Two HF Radios are installed. They are used for long-distance voice transmissions. HF1 is also
used for data communications. Each system has a transceiver in the avionics compartment, and a
common tuner and antenna in the vertical stabilizer. Its range is from 2.8 to 24.0 MHz. When in data
mode, digital information is transmitted between HF1 and ATSU.
HF transmission is inhibited on ground. A GND HF DATALINK pushbutton, located on the overhead
panel, may override the inhibition. HF must not be used during refueling.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - VHF/HF/SELCAL
A318/A319/A320/A321 FLEET DSC-23-10-20 P 2/2
FCOM 19 AUG 10
SELCAL (SELECTIVE CALLING)
Applicable to: ALL
Upon receiving a call code corresponding to that of the aircraft, the SELCAL system aurally and
visually advises the flight crew that a ground station is calling the aircraft.
The aural warning is inhibited during takeoff and landing.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - RADIO TUNING
A318/A319/A320/A321 FLEET DSC-23-10-30 P 1/6
FCOM 19 AUG 10
DESCRIPTION
Applicable to: ALL
Identical RMPs Radio Management Panels (RMPs) :
• Give the flight crew control of all VHF radio communication systems (HF systems ).
• Provide backup to the FMGCs for controlling radio navigation systems (Refer to DSC-34-30-30
RADIO MANAGEMENT PANEL (RMP)).
The two RMPs are on the center pedestal (and the third is on the overhead panel).
Each RMP can control any VHF (HF ) transceiver. RMP1 and RMP2 are connected directly to all
VHF (HF ) transceivers, (whereas RMP3 is connected to them via RMP1 and RMP2). RMPs
are connected together so that each RMP is updated to the selections made on the other RMPs.
Only RMP1 functions in EMER ELEC CONFIG.
If one RMP fails, the remaining one controls all the VHF (HF ) transceivers.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - RADIO TUNING
A318/A319/A320/A321 FLEET DSC-23-10-30 P 2/6
FCOM 19 AUG 10
RADIO MANAGEMENT PANEL
Applicable to:
(1) Frequency displays
The ACTIVE display window shows the active frequency of the selected radio, which is
identified by a green light on the selection key.
The STBY/CRS (standby/course) display window shows a standby frequency that the pilot can
activate by pressing the transfer key or change by rotating the tuning knobs. (For a description
of the CRS function Refer to DSC-34-30-30 RADIO MANAGEMENT PANEL (RMP)).
(2) Transfer key
Pressing this key moves the active frequency to the standby window and the standby
frequency to the active window.
This tunes the selected receiver to the new active frequency.
(3) Radio com selection keys
When the pilot presses one of these keys :
• The ACTIVE window displays the frequency set on that radio.
• The STBY/CRS window displays the selected standby frequency or course.
• The selected key displays a green monitor light.
(4) Frequency selector knobs
The pilot uses these concentric knobs to select the STBY frequency or CRS.
The outer knob controls whole numbers ; the inner knob controls decimal fractions.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - RADIO TUNING
A318/A319/A320/A321 FLEET DSC-23-10-30 P 3/6
FCOM 19 AUG 10
(5) AM pushbutton
If the aircraft has HF radios and the flight crew has selected an HF tranceiver, this switch
selects the AM mode. (The default mode is the SSB, or single side-band mode).
This key displays a green monitor light when the AM mode is active.
(6) SEL indicator
The SEL indicator on both RMPs comes on white when a transceiver, normally associated with
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 2(131)
