Communications

Question 1

Who can communicate on the interphone?

Answer 1

• crew members
• cabin attendant
• mechanic

Question 2

Where are the outside ground stations located?

Answer 2

• hydraulic bay in left main gear fairing
• ground electrical power receptacle
• unpressurised bay in aft fuselage section

Question 3

What are the transceivers powered by?

Answer 3

Captain - DC emer bus, so will remain operational if both gens are lost until the emergency batt runs out

FO - DC Bus 2

Question 4

What does the Remote Control Audio Unit (RCAU) do?

Answer 4

Processes all of the audio signals from various sources and directs them to the corresponding outlet

Powered by the DC emer bus

Question 5

What does it mean when a transmission key turns white?

Answer 5

It is active

Only one button can be selected at a time

Question 6

How can you call the cabin crew?

Answer 6

ATTND pb

Question 7

What does the blue CALL caption mean?

Answer 7

The cabin crew are calling