- -Speeker for the emergency evacuation system (EVAC).
OCCPD:
-Illuminate green when the forward lavatory is occupied.
- Nomral:
-Each crew member uses its dedicated communication equipment.
CAPT 3:
-The captain makes audio selections on ACP 3 and ACP 1 is deactivated.
F/O 3:
-The first officer makes audio selections on ACP 3 and ACP 2 is deactivated.