Chapter 10 - Section 3: CIDS functions

Question 1

What are the functions of CIDS?

Answer 1

• Passenger/cabin announcements
• Cabin temperature control
• Potable water/waste water levels
• Cabin illumination
• Emergency & evacuation signalling
• Lavatory smoke warning and indication
• Aircraft doors & slides status
• IFE system status
• Optional functions

Question 2

What is the purpose of the decoder/encoder units (DEU)?

Answer 2

Link between the active director and either the passenger or cabin crew function

Question 3

What does DEU A allow the CIDS director to control?

Answer 3

Passenger functions, to adjust:-

• Cabin lighting
• Control the passenger service units (PSU)
• Individual passenger lights
• Passenger signs
• Passenger calls
• Loudspeakers

Question 4

What does DEU B allow the CIDS director control?

Answer 4

Cabin crew related functions, to control:-

• Area call panels (ACP), usually located on the ceiling above the aisles
• Attendant indicator panels (AIP), red light for emergency information, green for communication
• Headsets at attendant stations, rest stations and in the cockpit
• Additional attendant panel (AAP)

Question 5

Which cabin functions can be carried out in flight on the FAP?

Answer 5

• Cabin programming
• Loudspeaker levels
• FAP set up

Question 6

What cabin functions require an access code on the FAP?

Answer 6

• Layout selection
• Cabin programming
• Loudspeaker levels