Systems Communication

Question 1

An illuminated Transmitter Selector (MIC SELECTOR) switch on the audio control panel indicates …

Answer 1

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

Question 2

An incoming call from the attendant or ground crew is indicated by a:

Answer 2

A. Single high-tone chime
B. Call light on the forward overheard panel

Question 3

Does the oxygen mask need to be stowed in the stowed box to disable the oxygen más microphone?

Answer 3

B. No but the right oxygen más panel door must be closed and the RESET/TEST switch must be pushed.

Question 4

The service interphone or PA communications to the cabin can be made with the:

Answer 4

A boom microphone
B handset
C hand microphone

Question 5

True or false: In order to add external jacks to, the service Interphone system, the SERVICE INTERPHONE switch must be in the OFF position.

Answer 5

False

Question 6

During degraded audio system operation, the radio that is available at each crewmember station is:

Answer 6

Captain VHF-1
First Officer VHF-2
Observer VHF1