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A330/A340 FLEET DSC-23-PLP-TOC P 4/4
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - GENERAL
A330/A340 FLEET DSC-23-10-10 P 1/2
FCOM 19 AUG 10
GENERAL
Applicable to: ALL
The communications system comprises the following subsystems:
‐ VHF / HF transceivers
‐ Radio tuning systems (Radio Management Panels)
‐ Audio integrating system (Audio Management Unit, Audio Control Panels)
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - GENERAL
Intentionally left blank
A330/A340 FLEET DSC-23-10-10 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - VHF/HF/SELCAL
A330/A340 FLEET DSC-23-10-20 P 1/2
FCOM 19 AUG 10
GENERAL
Applicable to: ALL
Each transceiver can be tuned by any of the three Radio Management Panels (RMPs). The flight
crew uses the Audio Control Panel (ACP) to select a VHF or HF system, and transmit. The ACP
operates via the Audio Management Unit (AMU). Each system is connected to the RMPs, for
frequency selection, and to the AMU for connection to the audio-integrating and SELCAL (selective
calling) systems.
VHF
Applicable to: ALL
The aircraft has three identical VHF communication systems. Each system has a transceiver in
the avionics compartment, and an antenna on the fuselage. Only VHF1 operates in EMER ELEC
CONFIG. The VHF1 range is from 118.0 to 136.975 MHz. The VHF has an alarm to indicate that
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
Applicable to:
Two identical HF communication systems are installed. Each has a transceiver installed in the
avionics compartment, and a common tuner and antenna in the vertical stabilizer. Its emission range
is from 2.8 to 24.0 MHz.
HF
Applicable to: ,
Two HF radios (HF), with a range of 2.8 to 24.0 MHz, 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 common tuner and antenna in the vertical stabilizer. Only HF1 is
supplied in EMER ELEC CONFIG.
It is lost when LAND RECOVERY is selected ON.
When in data mode, digital information is transmitted between HF1 and ATSU. HF transmision 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.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - VHF/HF/SELCAL
A330/A340 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 signal is inhibited
during takeoff and landing.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - RADIO TUNING
A330/A340 FLEET DSC-23-10-30 P 1/4
FCOM 19 AUG 10
DESCRIPTION
Applicable to: ALL
Identical RMPs provide :
• Flight crew control of all radio communication systems (VHF and HF frequency control).
• FMGCs’ backup in controlling radio navigation systems (Refer to DSC-34-30-10 GENERAL).
Two RMPs are on the center pedestal, and a third on the overhead panel.
Each RMP can control any VHF or HF transceiver. RMP1 and 2 are directly connected to all VHF
and HF transceivers, whereas RMP3 is connected to them via RMP1 and 2. RMPs are connected
together so that each RMP is updated with the selections made on other RMPs. Only RMP1
functions in EMER ELEC CONFIG.
If two RMPs fail, the remaining one controls all the VHF and HF transceivers.
If ACARS or ATSU is installed, do not use VHF3 for voice communication.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
RADIO COMMUNICATION - RADIO TUNING
A330/A340 FLEET DSC-23-10-30 P 2/4
FCOM 19 AUG 10
RADIO MANAGEMENT PANEL
Applicable to: ALL
(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) display window shows a standby frequency that
　
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