Communication Flashcards
The left VHF radio is only capable of voice reception and transmission, while the center and right VHF’s are capable of
both voice and data.
The center VHF is normally used for data communications.
Only one VHF radio may be selected for data at a time.
High and medium level EICAS communication messages are accompanied by a chime aural alert. Low-level EICAS communications messages
not accompanied by the chime.
The flight interphone is primarily used for communication to ground personnel at the nosewheel area. It is also used
during an emergency, when oxygen masks must be worn.
The service interphone connects
ground crew stations at various locations around the airplane.
The SERV INTPH switch, located on the overhead panel, connects the service interphone system to
the flight interphone system.
The CVR automatically records any transmitted or received flight deck audio selected on the
Audio Control Panels.
The CVR records flight deck conversations using this area microphone. All inputs are recorded continuously,
The CVR records flight deck conversations using this area microphone. All inputs are recorded continuously,
When a radio is tuned by a panel that it is not normally associated with it
the green offside tuning light illuminates.
To erase the CVR, the aircraft must be on the ground, AC power connected and the parking brake set. The ERASE button mus
be held for 3 sec.
In the event of a stuck mic, all pilots should
select the FLT transmit switch on their ACP.
The crew member with the stuck mic will be heard transmitting continuously.
The non affected crew members may switch their ACP’s as required.
The affected crew member’s transmit switch should be left in the FLT interphone position.