Communications Flashcards
The CVR records audio from the flight deck area for _____ minutes.
120
How many transmitter selector switches can be active at any one time?
1
What does the ALT position for the ACP mean?
Operation is now in degraded mode
What are the positions of the filter switch and what do they do?
V (voice): recieve NAV and ADF voice audio
B (both): recieve NAV and ADF voice and range audio
R (range): recieve NAV and ADF station identifier range (code) audio
Where are HF antennas located?
vertical stabilizer
Where are VHF antennas located?
VHF 1: upper fuselage
VHF 2 & VHF 3: lower fueselage
What is the purpose of the HF sensitivity contorl?
change the sensitivity of the on-side HF reciever
When is the Offside Tuning Light illuminated?
radio associated with it is being tuned by another RTP
or
RTP is used to tune a radio not normally associated with it.
What does the VHF TEST switch do?
removes the automatic squelch feature. Can also be used for the reception of weak signals.
What does the AM switch do?
toggles between AM and USB (upper side band) modes. Light illuminates when AM is selected.
T/F: Freqs may still be displayed when there is a radio not available.
true
When is the Flight Deck Area Microphone active?
as soon as an engine is started or when CVR switch is turned on
When/where does the ERASE switch work for the CVR?
Only on ground and parking brake set. Push for 2 seconds to eras all 3 record channels.
How does a pilot utilize the interphone?
Use the PTT switch on the control column.
The service (Attendant) Interphone system does what?
allows flight deck, FA and ground personnel intercomm
What is the priority of the announcements?
Flight crew
FA
Passenger calls
Recorded music
What is the purpose of the Call system?
to advise other members of the crew that interphone comm is desired.
Calls can be initiated from where?
Flight deck, FA stations, external power receptacle.
What is the purpose of the Ground Call Switch?
flt crew wishes to call the ground crew
What does pushing the ATTEND (attend call switch) do?
Initiates a 2 tone chime in passenger cabin and illuminates both pink master call lights.
When does the Flight Deck CALL light illuminate?
FA or ground crew is calling the flight deck.
What does the RESET button on the attendant handset do?
extinguishes both pink master call lights, cancels the call and disconnects the handset from the PA system.
What do the master call lights mean in the cabin?
Pink: flight deck or other FA station is calling
Blue: passenger seat call
Amber: Lav call switch is pressed.
What happens in ACP degraded mode/
the ACP at that station is inop and only one radio is available for comm.
What is radio availablity in Degraded mode?
CA: VHF 1
FO: VH2
Observer: VHF 1
What can you use in degraded mode for the ACP?
receiver switches don’t work and only associated radio is heard at preset volume.
Speak and speaker switch don’t work.
Flight and service interphones cannot be used.
When an audio system is in degraded mode, audio warnings for _____, _____, and _______ are not heard on that system.
altitude alert, GPWS, windshear.
In degraded mode, can you use the PA system through the ACP?
NO but service interphone handset on pedistal and PA microphone can be used.
Primary comm on the ground should use VHF ___ on the ground due to possible interference related to lower fuselage anttena locations.
1
What does the Radio Tuning Panel OFF switch do?
disconnect radio from the comm radios.
HF sensitivity can only be set from the _______ HF receiver.
on-side.
The service interphone switch does what?
connects mx or service personnel to the intercom system.
