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quickdonning,
inflatable harness type. Each mask is stowed in a quick access container adjacent to
each flight station (one each at the side consoles).
A regulator in each mask provides, by pilot selection, for three oxygen supply modes:
· Normal diluted demand mode.
· 100 percent oxygen on demand mode
· 100 percent oxygen continuous flow/variable pressure mode (emergency mode).
When stowed in the container, the oxygen flow through the regulator can be tested by pressing the
test lever. Each mask is equipped with a microphone.
Oxygen for the passengers is supplied by the same oxygen system as for the crew, via the altimetric
valve to the passenger drop out mask boxes in the cabin, in the event of cabin depressurization.
The oxygen masks are installed in overhead compartments and are available at all passenger seats
and in the lavatory.
All oxygen compartment doors will open to present the oxygen masks automatically, if cabin altitude
reaches approximately 14,500 feet.
When the oxygen compartment doors open, the passengers will pull the oxygen mask to their face,
pulling the lanyard and pin from the generator. This initiates the flow of oxygen to the passenger’s
oxygen mask.
EMERGENCY EQUIPMENT
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
08−10−3
OXYGEN GROUND SERVICE PANEL
GF0810_003
D
RATE NOT TO EXCEED 200 PSI/MIN TO "FULL" PRESSURE
AMBIENT TEMP ° F 100 80 60 40 20 0 −20 −40
FULL PRESS PSI 1990 1900 1805 1710 1620 1530 1435 1340
D
OXYGEN CYLINDER SERVICING: CHARGE CYLINDER AT
OVERBOARD DISCHARGE
INDICATOR
GROUND SERVICE PANEL
PRESSURE GAUGE
EMERGENCY EQUIPMENT
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
08−10−4
CREW MASK STORAGE
GF0810_004
EMERGENCY EQUIPMENT
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
08−10−5
CREW MASK
GF0810_005a
Normal/100% Lever
of Ambient air with
oxygen on demand.
oxygen on demand.
Emergency Flow Control
Rotate in direction of arrow to
supply a continuous 100% oxygen flow.
Rotate to adjust the supply pressure.
Press to test whether a continuous
flow will be available.
Blinker
Shows yellow cross
when oxygen is flowing
or when harness is
inflated. When black,
indicates no oxygen
flow.
Release Levers
Squeeze to unlock
container doors, grasp
levers and hose and
pull to withdraw mask.
RESET/TEST Lever
(springloaded
to
RESET)
Press to test oxygen
flow (momentarily)
through the regulator
(microphone test
without pulling the mask
out).
Oxygen On Flag
In view when mask is
out, indicates that
oxygen shutoff
valve is
open.
Flag will disappear
when shutoff
valve
closed.
Reset position shuts off
supply to mask
regulator and blinker
unit.
N
100%
provides a mixture
provides 100%
PRESS
TO
TEST
AND
RESET
OXYGEN
MASK
Oxygen Supply Hose
EMERGENCY EQUIPMENT
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
08−10−6
CREW MASK (CONT'D)
HARNESS MANUAL
INFLATION CONTROL
NORMAL 100% MANUAL
CONTROL LEVER
HARNESS
MASK
MICROPHONE
PROTECTIVE FILM
STRIP (DETACHABLE)
REGULATOR
GF0810_006
EMERGENCY EQUIPMENT
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
08−10−7
PASSENGER OXYGEN
The passenger oxygen control panel located on the Copilot’s side panel, is equipped with an
altimetric valve (4 modes). The control panel has a rotary switch that lets the crew choose between
three operating modes of the altimetric valve.
FGF0810_001
Altimetric Valve Rotary Switch
The four modes of operation are:
− Supplies oxygen automatically to the passenger
compartment when cabin altitude reaches 14,500 feet (+500/−750 feet).
− Overrides the altitude switch in the control panel and supplies
oxygen to the passenger compartment regardless of altitude.
− Stops oxygen supply to the passenger compartment.
NORMAL
OVERRIDE
CLOSED
PASSENGER OXYGEN
CLOSED OVERRIDE
NORMAL
TEST PORT
ON
When the cabin altitude reaches 14,500 feet (+500/−750 feet), a message will appear on EICAS,
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