737 Flight Crew Operations Manual
Airplane General, Emergency
Equipment, Doors, Windows -
Controls and Indicators
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
1.30.18 D6-27370-866-EGP
ON – activates system and drops masks if automatic function fails.
3 Passenger Oxygen On Light
Illuminated (amber) – passenger oxygen system is operating and masks have
dropped.
Oxygen Mask Panel
1 Oxygen Flow Indicator
Indicates a yellow cross when oxygen is flowing.
2 TEST/RESET Switch
Push –
• with the left oxygen mask panel door closed and the OXY ON flag not
displayed, turns oxygen on momentarily to test the regulator
• with the left oxygen mask panel door closed and the OXY ON flag
displayed will turn oxygen off and disable the mask microphone and
enable the boom microphone.
O
N
O
X
Y
SS
O
ST
100%
TO
TEST
AND
RESET
PUSH
N
OXYGEN
MASK
PRESS
September 15, 2016
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