Avionics - Communications Flashcards
What provides the flight crew with the interface to control the audio functions of all radio communication and navigation systems
The audio control panel
Where are the antennas for VHF 1, VHF 2 and VHF 3 respectively on the fuselage
1 and 3 on top and 2 on the bottom.
What services can the optional VHF 3 provide
Voice and data link capability, like ACARS and CPDLC
What does the HF communication system provide
long range air to air, air to ground and ground to air communication.
What is SELCAL used for?
It is a ground to air calling system that relieves the flight crew from having to simultaneously monitor the VHF and HF communication radios.
Where is the ramp audio jack located
On the lower LH portion of the fwd fuselage. It is part of the STEERING DISENGAGE/ RAMP INTERPHONE panel.
Where does the left MKP turning enter frequencies into
1 NAV and COM
Where does the right MKP tuning enter frequencies into
2 COM and NAV
What does pushing the microphone select button on the ACP do
Selects the microphone audio and makes the selection to the active transmitter
What do the audio control knobs on the ACP do?
Provides for selection and volume control of the associated received audio signal.
What does the HDPH knob on the ACP do
Controls the headphone volume, controls the selection of the speaker on/off and the volume for the flight deck speakers
Can the volume of the aural voice and tone warnings to the speaker be adjusted by the SPKR knob on the ACP
No
What does the BOOM/AUTO/MASK knob on the ACP in the AUTO position allow for
The O2 mask microphone to be automatically selected when the O2 mask is donned and switches back the boom when the O2 mask is properly stowed.
What does the VOX knob on the ACP do?
Provides on/off sensitivity control for the voice activated interphone.
What does the ST knob on the ACP do
Controls the side tone volume in the selected radio.
What does pushing the AUDIO BACKUP button on the AUDIO JACK PANEL do?
It recovers the use of the on-side radio when full ACP functionality is not available.
What does pushing the AURAL MUTE button on the AUDIO JACK PANEL DO
It inhibits the aural alerts on the respective side and displays the cyan AVXN AURAL WARN 1(2) OFF CAS message
Where are the PTT buttons located at for each pilot
1) One momentary button on the CCP
2) One momentary button on the sidestick controller
3) One 3 way position slide switch on the glare shield.
What are the switch positions for the tune knob on the RSP
1) COM 1(2),
2) 121.5
3) L (R) MKP ONLY
If MKP ONLY is selected without a display tuning (RTSA) failure, what message will be displayed over the tuning window.
LEFT/RIGHT SIDE DISPLAY TUNING INHIBITED
If the crew receives a new ACARS message, how will they be alerted
By a cyan ACARS MESSAGE CAS.
