Call system chime signals are audible in the passenger cabin through the PA system speakers. The PA speakers also provide an alerting chime signal whenever the NO SMOKING or FASTEN SEAT BELT signs illuminate or extinguish.
Location of Call Originator
Called Position
Visual Signal at Called Position
Aural Signal at Called Position
Flight deck
Attendant station
Pink master call light
Two–tone chime
Flight deck
Nose wheel well
Horn in nose wheel well
Attendant station
Flight deck
Blue flight deck call light
Single low–tone chime
Nose wheel well
Flight deck
Blue flight deck call light
Single low–tone chime
Flight deck
Passenger cabin
NO SMOKING or FASTEN BELT signs illuminate/ extinguish
