787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Airplane General, Emergency
Equipment, Doors, Windows -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 1.30.29
N (normal) – supplies an air/oxygen mixture on demand (the ratio depends on
cabin altitude).
100% – supplies 100% oxygen on demand (not an air/oxygen mixture).
Normal (non-emergency) position - supplies air/oxygen mixture or 100% oxygen
on demand, depending upon the position of the Normal/100% switch.
Automatically supplies 100% oxygen under positive pressure when cabin altitude
is above a preset value.
EMERGENCY position (rotate in the direction of the arrow) – supplies 100%
oxygen under positive pressure at all cabin altitudes (protects against smoke and
harmful vapors).
PRESS TO TEST– tests the positive pressure supply to the regulator.
Emergency Evacuation
[Option - EVAC switch at attendant panel(s)]
ON –
• EVAC COMMAND EICAS warning shows on the flight deck
• EVAC lights flash at the designated flight attendant switch panels
• an aural horn sounds over the cabin PA system
ARM –
• the evacuation signals can be activated at the designated flight attendant
switch panels
• normal operating position
1
NORMAL/100% Switch
2
Oxygen Mask Emergency/Test Selector
1
Evacuation (EVAC) COMMAND Switch
AFT AISLE STAND
EVAC
COMMAND
ON
ARM
OFF
1
February 15, 2010
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