MD-11 Flight Crew Operations Manual
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Communications -
Controls and Displays
Comm.30.8
The service interphone system allows communication from the cockpit to any
airplane service interphone jack. The aft pedestal handset is used for
communication.
Communication with the ground crew through the handheld or boom
microphone is made by pushing the audio control panel MIC/MECH switch,
and activating either the Captain’s or First Officer’s control wheel PTT
switch or the audio control panel INT switch.
5. CALL RESET Button
CALL RESET - Push to extinguish the CALL light on all attendant switches.
6. Cockpit Crew/Cabin Crew/Call - white/blue
When pushed, activates a continuous horn in the cockpit crew rest and a
momentary chime in the cabin crew rest respectively.
CALL illuminates blue when a call has been made from the associated crew
rest.
7. MOVIE Light - blue
MOVIE - Illuminates blue when a video movie is in progress.
8. PA IN USE Light - blue
PA IN USE - Illuminates blue when the PA system is in use on the airplane.
9. PA/ON Switch - white/blue
Pushing the switch allows PA announcements to be made through the aft
pedestal handset.
PA - Illuminates white when the system is powered.
ON - Illuminates blue when the switch is pushed and the handset is removed
from its hanger.
October 02, 2006
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