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Display Selector
Emergency Exit Lights







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OFF – Prevents emergency lights system operation if the
airplane electrical power fails or is turned off.

ARMED – (guarded position) all emergency lights illuminate
automatically if the airplane electrical power to
DC bus No. 1 fails
or AC power is turned off.

ON – All emergency lights illuminate.
NOTE: The Passenger Cabin Emergency Lights Switch located
on the Aft Attendant panel illuminates all emergency lights and
bypasses the flight deck control.