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┃ A~7-~'M" A321 ┃ ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
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OVERHEAD PANEL
O
LDG ELEV se
AUTO
Other positions
(~ MODE SEL pb
AUTO
The pressurization system uses the FMGS data to construct an
optimized pressure schedule.
To exit the AUTO position, pull out and turn the selector.
The pressurization schedule does not use the landing elevation from
the FMGS, but instead uses the landing elevation selected with this
knob (from - 2000 to + 14000 feet) as its reference.
Note ~ The LDG ELEV selector scale is only given as an indication
refer to the ECAM information for accurate adjustment.
Automatic mode is operating. One of the two systems controls the
outflow valve.
Note : If the pilot suspects that the operating pressurization system is not
performing properly, he can attempt to select the other system by
switching the MODE SEL pushbutton to MAN, for at least 10
seconds, then returning it to AUTO.
MAN This legend appears in white, and
crew then uses the MAN V/S CTL
FAULT It This legend appears in amber and
when both automatic systems are
FAULT does not come on. The flight
switch to control the outflow valve.
the ECAM caution light comes on only
faulty.
Note : The pilot may notice a variation in the CAB ALT indication on the
ECAM PRESS page, when the system switches from the cabin
pressure control AUTO mode to MAN mode, due to the reduced
resolution of the backup pressure sensor.
CCM ALL
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┃I -~ A318 ┃AIR COND/PRESS/VENT ┃1.21.20 P 9 ┃
┃ .*,,.8, ,, ~L,~ A319 ┃ ┃ ┃
┃ Lii,~ A320 ┃ ┃ ┃
┃ ┃ ┣━━━━┳━━━━┫
┃ A~7-~'M" A321 ┃ PRESSURIZATION ┃SEQ 001 ┃REV 35 ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
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(~ MAN V/S CTL toggle switch
The switch, springloaded to neutral, controls the outflow valve position through operation
of the MAN motor, when the MODE SEL pushbutton is in the MAN position.
UP : The valve moves towards the open position.
DN : The valve moves towards the closed position.
Note ~ The outflow valve operates slowly, so the pilot must hold the toggle switch in
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual1(113)
