This system provides supplemental oxygen stored in a _______________ cylinder and also provides protection to the flight crew in event of smoke and other harmful gases.

This system provides only _______________________________ oxygen to passengers and flight attendants.

The PBE provides the crew with __________________ oxygen for respiratory and visual protection against the effects of smoke and other harmful gases.

________________________________________ throughout the airplane for use by the flight attendants to assist passengers in case of sudden decompression or first aid purposes.

A difference in pressure indication between the MFD and the oxygen pressure gauge outside the airplane may be observed. The difference occurs due to a ____________ correction in the MFD that does not occur on the oxygen pressure gauge.

Oxygen is stored in standard 50 ft3, or an optional 77 ft3 cylinder, pressurized up to _____ at 21°/70°F. The cylinder is installed in the forward cargo compartment and does not need to be removed to recharge.

When the oxygen mask stowage box is closed and the TEST/RESET switch is pressed the headset boom microphone is restored and the mask’s microphone is …

FULL FACE MASK OPERATING MODES – (NORMAL)

FULL FACE MASK OPERATING MODES – (100%)

FULL FACE MASK OPERATING MODES – (Emergency)

The PBE unit is for emergency use only. It is vacuum-sealed in a small bag inside a box. The box is equipped with a green “good condition indicator”. The equipment hood isolates the user’s head from the external ambient gases by means of an elastic neck seal. Oxygen flow starts automatically after hood donning and will be supplied for at least ______ .

The PBE unit provides the crew with positive pressure oxygen for respiratory and visual protection against the effects of smoke and other harmful gases at altitudes up to _________.

Individual chemical oxygen generators supply the passenger oxygen system during an emergency descent in the event of cabin depressurization. The passenger oxygen system provides supplemental oxygen only to the following:

Passenger oxygen masks are located in the PSUs above the passenger seats. Each PSU contains either two or three masks that supply oxygen only for approximately …

The supplemental oxygen is ________ with ambient air according to the cabin altitude. At higher cabin altitudes, the mask provides 100% supplemental oxygen.

Passenger oxygen mask …

The masks are automatically deployed when the cabin altitude is between …

Manual deployment can be performed from the cockpit by positioning the passenger oxygen selector knob to the ______ position. A manual release tool located near each flight attendant station can be used in case dispensing unit door fails.

When the passenger mask doors are automatic or manual commanded open the ____________________ turns ON the FASTEN SEAT BELT and the NO SMOKING (NO ELEC DEVICE optional) regardless of the switch position.

The switch normal operation is inhibited until the MASKS DEPLOY switch is set to ____ position.

The portable oxygen cylinders are for flight attendants use to assist passengers in case of sudden cabin decompression or for first aid purposes. The cylinders store 312  (11 ft3) of oxygen, pressurized to _________. at 21°/70°F.

Two continuous flow outlets are available;