MD-11 Flight Crew Operations Manual
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Communications -
Controls and Displays
Comm.30.9
Service Interphone Handset
1. Handset Receiver
Returning the handset to the cradle deactivates the PA system and
extinguishes the PA ON light.
2. Push-To-Talk (PTT) Handset Switch
Pushing the bar-type switch on the handset enables communication through
either the PA system or the service interphone system.
3. Handset Microphone
Pushing the PTT handset switch enables PA system or service interphone
system communication through the handset microphone.
CAG(IGDS)
LB1-3-0054
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AFT PEDESTAL
October 02, 2006
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