Avionics - Communications

Question 1

What provides the flight crew with the interface to control the audio functions of all radio communication and navigation systems?

Answer 1

The Audio Control Panel. AOM 9-09-50

Question 2

Where are the antennas for the VHF 1, VHF 2 and VHF 3 located respectively on the fuselage?

Answer 2

VHF1 and VHF3 are on Top and VHF2 is on bottom. AOM 9-09-50

Question 3

What services can the optional VHF 3 provide?

Answer 3

Voice and data link capability, like ACARS and CPDLC. AOM 9-9-50

Question 4

If the TUNE knob on the RSP is in the NORM position, list some of the ways frequencies can be tuned:

Answer 4

Via the CCP, via the MKP or the MFW TUNING window. AOM 9-09-50

Question 5

What does the HF communication system provide?

Answer 5

Long range air-to-air, air-to-ground and ground-to-air communication. AOM 9-09-50

Question 6

What is SELCAL used for?

Answer 6

It is a ground to air calling system that relieves the flight crew from having to continuously monitor the VHF
and HF communications radios. AOM 9-09-50

Question 7

Where is the ramp audio jack located?

Answer 7

On the lower LH portion of the forward fuselage. It is part of the STEERING DISENGAGE/RAMP INTERPHONE
panel. AOM 9-09-30

Question 8

Where does left MKP tuning enter frequencies into?

Answer 8

1 (NAV and COM) AOM 9-09-30

Question 9

Where does right MKP tuning enter frequencies into?

Answer 9

2 (NAV and COM). AOM 9-09-30

Question 10

What does pushing the microphone select button on the Audio Control Panel (ACP) do?

Answer 10

Selects the microphone audio and makes the selection to the active transmitter. AOM 9-09-30

Question 11

What do the audio control knobs on the ACP do?

Answer 11

Provides for selection and volume control of the associated received audio signal. AOM 9-09-30

Question 12

What does the HDPH knob on the ACP do? The SPKR knob?

Answer 12

Controls headphone volume. Controls the selection of the speaker on/off and the volume for the flight deck speakers. AOM 9-09-30

Question 13

Can the volume of the aural voice and tone warnings to the speaker be adjusted by the SPKR knob on the ACP?

Answer 13

No. AOM 9-09-30

Question 14

What does the BOOM/AUTO/MASK knob on the ACP in the AUTO position allow for?

Answer 14

The oxygen mask microphone to be automatically selected when the oxygen mask is donned and switches back to boom when the oxygen mask is properly stowed. AOM9-09-30

Question 15

What does the VOX knob on the ACP do?

Answer 15

Provides on/off and sensitivity control for the voice-activated interphone. AOM 9-09-30

Question 16

What does the ST knob on the ACP do?

Answer 16

Controls the side tone volume in the selected radio. AOM 9-09-30

Question 17

What does pushing the AUDIO BACKUP button on the AUDIO JACK PANEL do?

Answer 17

It recovers the use of the onside radio when full ACP functionality is not available. AOM 9-09-30

Question 18

What does pushing the AURAL MUTE button on the AUDIO JACK PANEL do?

Answer 18

It inhibits the aural alerts on the respective side and displays the cyan AVXN AURAL WARN 1 (2) OFF CAS message. AOM 9-09-30

Question 19

Where are the PTT buttons located for each pilot?

Answer 19

One momentary PTT button on the CCP, one momentary PTT button on the sidestick controller and one 3-way position slide switch on the glare shield. AOM 9-09-30

Question 20

What are the switch positions for the TUNE knob on the RSP?

Answer 20

COM 1(2), 121.5, NORM and L(R) MKP ONLY. AOM 9-09-50

Question 21

If MKP ONLY is selected without a display tuning (RTSA) failure, what message will be displayed over the tuning window?

Answer 21

LEFT/RIGHT SIDE DISPLAY TUNING INHIBITED. AOM 9-09-50

Question 22

If the crew receives a new ACARS message, how will they be alerted?

Answer 22

By a cyan ACARS MESSAGE CAS. AOM 9-09-50

Question 23

Can you rely on ADF indications on the PFD while transmitting in HF?

Answer 23

No. AOM 2-64