Communications

Question 1

During degraded Audio System operation at each crew member station….

Answer 1

CA VHF-1, FO VHF-2, Observers VHF-1

Question 2

An illuminated Transmitter Selector (MIC SELECTOR) Switch on the Audio Control Panel indicates:

Answer 2

Reception is possible over the selected system regardless of whether related receiver switch is on. The related switch is active.

Question 3

Service (Attendant) Interphone/PA communications to the cabin can be made with the:

Answer 3

Cabin headset, boom microphone, hand microphone.