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- VHF/HF tranceivers
- Radio tuning systems (Radio Management Panels).
- Audio integrating system (Audio Management Unit, Audio Control Panels)
AUDIO INTEGRATING
(TRANSMISSION  AND
RECEPTION MODES)
COMMUNICATION
TRANSCEIVERS
<
i
~ RADIO TUNING
      (FREQUENCY  SELECTIONI
i
&
AUDIO CONTROL PANEL
          (ACP)
RADIO MANAGEMENT PANEL
           (RMP)
CCM ALL
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┃                                ┃                              ┃1.23.10     P 2       ┃
┃                                ┃                              ┣━━━━━┳━━━━━┫
┃I  -~ A318                      ┃I       CRADIOICOMMUNICATION  ┃SEQ 001 1 ┃I REV 33  ┃
┃  .,,,.8, ,, ~L,~ A319          ┃                              ┃          ┃          ┃
┃ Lli,~ A320                     ┃                              ┃          ┃          ┃
┃      A~7-~'M" A321             ┃                              ┃          ┃          ┃
┃   FLIGHT CREW OPERATING MANUAL ┃                              ┃          ┃          ┃
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Either of the two Radio Management Panels (RMPs) (third RMP <~) can be used to tune
each transceiver.
To transmit, the flight crew uses the Audio Control Panel (ACP) to select a VHF or HF
system. The ACP works through 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
Two identical VHF communication systems (third VHF system <~) are installed.
Each system has a transceiver in the avionics compartment, and an antenna on the
fuselage. Only VHF1 functions in EMER ELEC CONFIG.
VHF has an alarm which indicates if the microphone is stuck (<~). If a microphone is in
the emission position for more than 30 seconds, an interrupted tone sounds for 5
seconds, and the emission is turned off. To reactivate the emission, the crew releases
the push-to-talk button and presses it again.
HF (<~)
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.
SELCAL (Selective Calling)
Upon receiving a call code corresponding to that of the aircraft, the SELCAL system
aurally and verbally advises the flight crew that a ground station is calling the aircraft.
The aural warning is inhibited during takeoff and landing.
CCM ALL
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本文鏈接地址：AIRBUS A320 Flight Crew Operating Manual2(115)