737 MAX Flight Crew Operations Manual
Airplane General, Emergency
Equipment, Doors, Windows -
Controls and Indicators
1.30.16
MN-FLT-OH-201
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 colored cross when oxygen is flowing.
2
TEST/RESET Switch
1B401, 1B402, 1B801 - 1J594
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.
CREWMEMBER STATION
RESET
TEST
OX
Y
ON
RESET
TEST
1
1
3
2
2
March 1, 2021