SYSTEM DISPLAY - DOOR/OXY PAGE - DESCRIPTION AND OPERATION

** ON A/C NOT FOR ALL

1. DOOR/OXY Page
The DOOR/OXY Page is described in the following figure with its 18 parameters as follows:
The DOOR/OXY page contains 19 parameters as follows:

SD - DOOR/OXY Page: Display of the 18 Parameters ** ON A/C NOT FOR ALL

SD - DOOR/OXY Page: Display of the 19 Parameters ** ON A/C NOT FOR ALL

SD - DOOR/OXY Page: Display of the 18 parameters ** ON A/C NOT FOR ALL

SD - DOOR/OXY Page: Display of the 19 Parameters ** ON A/C NOT FOR ALL

Item 1: SLIDE indication

Items 2, 9, 15 and 16: Cabin doors

Items 3 and 18: Avionic doors

Items 3, 10, 16 and 17: Cabin doors

Items 4 and 19: Avionic doors

Item 4: Crew oxygen operation

Item 5: Oxygen LO press indication

Item 2: Passenger Crew oxygen operation

Item 5: Cockpit Crew oxygen operation

Item 2: Passenger-Crew oxygen operation

NOTE: Applicable to PAX CONFIG only.

Item 5: Cockpit-crew oxygen operation

Item 6: Cabin V/S (displayed only in flight)

Item 7: Door name (CABIN)

Item 8: Slide operation related to item 7

Item 9: Door symbol related to item 7

Items 10: Door name (CARGO)

Items 11 and 13: Cargo doors

Items 12 and 17: EMER exit

Item 6: Oxygen LO pressure indication

Item 7: Cabin V/S (displayed only in flight)

Item 8: Door name (CABIN)

Item 9: Slide operation related to cabin door (item 10)

Item 10: Cabin door

Item 11: Door name (CARGO)

Items 12 and 14: Cargo doors

Items 13 and 18: Emergency exits

Item 14: Bulk cargo door

Item 15: Bulk cargo door (optional)

A. Cabin Door Status

DOOR/OXY Page - Display of the Parameters: DOOR and CARGO DOOR STATUS ** ON A/C NOT FOR ALL

(Items 2, 9, 15 and 16)

DOOR/OXY Page - Display of the Parameters: CABIN and CARGO Door Status ** ON A/C NOT FOR ALL

(Items 3, 10, 16 and 17)

(1) Case 1
The door symbol outline is green when the door is closed.

(2) Case 2
The door is amber when it is open.

(3) Case 3
The door is replaced by an amber "X" when the door status is not transmitted by the System Data Acquisition Concentrator (SDAC).

B. Front and Aft Avionic Doors

DOOR/OXY Page - Display of the Parameters: AVIONIC DOORs ** ON A/C NOT FOR ALL

(Items 3 and 18)

The front and aft avionic doors follow the same principles as the cabin doors. The symbol is smaller and horizontal.

DOOR/OXY Page - Display of the Parameters: AVIONIC DOORS Status ** ON A/C NOT FOR ALL

The front and aft avionic doors follow the same principles as the cabin doors. The related symbols are smaller and horizontal.

(1) Case 1
The door is green when closed.

(2) Case 2
The door is amber when open.

(3) Case 3
The door is replaced by an amber "X" when its status is not transmitted by the SDAC.

C. Left and Right Avionic Doors

DOOR/OXY Page - Display of the Parameters: AVIONIC DOORs ** ON A/C NOT FOR ALL

The left and right avionic doors follow the same principles as the cabin doors. The symbol is smaller and vertical.

DOOR/OXY Page - Display of the Parameters: AVIONIC DOORS Status ** ON A/C NOT FOR ALL

The left and right avionic doors follow the same principles as the cabin doors. The related symbols are smaller and vertical.

(1) Case 1
The door is green when closed.

(2) Case 2
The door is amber when open.

(3) Case 3
The door is replaced by an amber "X" when its status is not transmitted by the SDAC.

D. Crew Oxygen Operation
Item 4
Item 2

Item 5

(1) The title OXY is normally green

(2) The CKPT OXY indication is normally white.

(3) The title OXY is normally white

(4) The OXY indication (normally green) becomes amber when either:

there is an oxygen low pressure detected and transmitted by the SDAC,
the OXYGEN CREW SUPPLY pushbutton switch on overhead panel is OFF
the pressure value is lower than 400 psi.

When these conditions are not available from the SDAC, the OXY title remains green.

(5) The OXY indication (normally white) becomes amber when either:

there is an oxygen low pressure detected and transmitted by the SDAC,
the OXYGEN CREW SUPPLY pushbutton switch on overhead panel is OFF
the pressure value is lower than 300 psi.

When these conditions are not available from the SDAC, the OXY title remains white.

(6) The CKPT OXY indication becomes amber when:

There is an oxygen low pressure detected and transmitted by the SDAC,
The OFF legend of the OXYGEN CREW SUPPLY pushbutton switch on the overhead panel is on
The pressure value is lower than 400 psi.

When these conditions are not transmitted by the SDAC, the CKPT OXY indication remains white.

(7) The CKPT OXY indication becomes amber when:

There is an oxygen low pressure detected and transmitted by the SDAC,
The OFF legend of the OXYGEN CREW SUPPLY pushbutton switch on the overhead panel is on
The pressure value is lower than 300 psi.

When these conditions are not transmitted by the SDAC, the CKPT OXY indication remains white.

(8) The CKPT OXY indication becomes amber when:

NOTE: Refer to the table

DOOR/OXY Page - Oxygen System Indication ** ON A/C NOT FOR ALL

for information about how and when the oxygen pressure value comes into view.

The status of the OXYGEN CREW SUPPLY pushbutton is correct, and
The oxygen low-pressure signal is correct, and
The OFF legend of the OXYGEN CREW SUPPLY pushbutton switch is on, or
The oxygen low pressure is shown and stays in view for a minimum of five seconds, or
For a system with one oxygen bottle, the oxygen pressure is lower than the amber value, or
For system with two oxygen bottles, the oxygen pressure is lower than the amber value.

In the normal condition, the CKPT OXY indication becomes white.

(9) The oxygen pressure value:

(a) It is displayed

in green when the pressure is more than or equal to 400 psi
in amber when the pressure is less than 400 psi.

(b) An amber half frame appears when oxygen pressure is less than 1500 psi.
The value is replaced by amber XX when it is not available from the SDAC.
The unit PSI is normally not displayed.
It is not displayed otherwise.

(10) The oxygen pressure value:

(a) It is displayed

in green when the pressure is more than or equal to 600 psi
in amber when the pressure is less than 300 psi.
pulsing in green, when the pressure is less than 600 psi (the DOOR/OXY page is automatically displayed).

(b) An amber half frame appears when oxygen pressure is less than 1000 psi. The value is replaced by amber XX when it is not available from the SDAC. The unit is normally cyan.
The value is replaced by amber XX when it is not available from the SDAC.
The unit PSI is displayed in cyan.
It is not displayed otherwise.

(11) Oxygen pressure value

(a) It is displayed as follows:

In green, when the pressure is more than or equal to 800 psi
In amber, when the pressure is less than 400 psi
Pulsing in green, when the pressure is less than 800 psi (the DOOR/OXY page is automatically displayed in flight phase 6 only).

The value is replaced by an amber "XX" when it is not transmitted by the SDAC.
The PSI unit is displayed in cyan.

(b) An amber half box appears when:

The pressure is strictly less than 1500 psi in flight phases 1, 2, 9 and 10 when the Flight Warning Computers (FWC) are available
There is loss of the two FWCs in all flight phases.

Nothing is displayed otherwise.

(12) Oxygen pressure value

(a) It is displayed as follows:

In green, when the pressure is more than or equal to 600 psi
In amber, when the pressure is less than 300 psi
Pulsing in green, when the pressure is less than 600 psi (the DOOR/OXY page automatically displayed in flight phase 6 only).

The value is replaced by an amber XX when it is not transmitted by the SDAC. The unit PSI is displayed in cyan.

(b) An amber half box appears when:

The pressure is strictly less than 1000 psi in flight phases 1, 2, 9 and 10 when the Flight Warning Computers (FWC) are available
There is loss of the two FWCs in all flight phases.

Nothing is displayed otherwise.

(13) The oxygen pressure value:

NOTE: Refer to the table

DOOR/OXY Page - Oxygen System Indication ** ON A/C NOT FOR ALL

for information about how and when the oxygen pressure value comes into view.

(a) For a system with one oxygen bottle the oxygen pressure value is shown:

In green when the oxygen pressure is more than or equal to the value that flashes
In green and flashes when the oxygen pressure is less than the value that flashes
In amber when the oxygen pressure is less than the amber value
Amber XX repalce the value when it is not available.

(b) For a system with two oxygen bottles the oxygen pressure value is shown:

In green when the oxygen pressure is more than or equal to the value that flashes
In green and flashes when the oxygen pressure is less than the value that flashes
In amber when the oxygen pressure is less than the amber value
Amber XX replace the value when it is not available.

(14) The oxygen half box:

NOTE: Refer to the table

DOOR/OXY Page - Oxygen System Indication ** ON A/C NOT FOR ALL

for information about how and when the oxygen pressure value comes into view.

(a) For a system with one oxygen bottle there is:

An amber half box when the oxygen pressure is less than the half box value, and
The aircraft is in flight phase 1, 2, 9 or 10 when a minimum of one Flight Warning Computer (FWC) is correct, or
The aircraft is in a flight phase and the two FWCs are not correct.

In the normal condition the half box is not shown.

(b) For a system with two oxygen bottles there is:

An amber half box when the oxygen pressure is less than the half box value, and
The aircraft is in flight phase 1, 2, 9 or 10 when a minimum of one FWC is correct, or
The aircraft is in a flight phase and the two FWC are not correct.

In the normal condition the half box is not shown.

(15) Oxygen pressure value

(a) It is displayed as follows:

In green, when the pressure is more than or equal to 500 psi (34.47 bar).
In amber, when the pressure is less than 200 psi (13.79 bar).
Pulsing in green, when the pressure is less than 500 psi (34.4738 bar) (the DOOR/OXY page is automatically displayed in flight phase 6 only).

The value is replaced by an amber "XX" when it is not transmitted by the SDAC.
The PSI unit is displayed in cyan.

(b) An amber half box appears when:

The pressure is strictly less than 800 psi (55.16 bar) in flight phases 1, 2, 9 or 10 when the Flight Warning Computers (FWC) are available.
There is loss of the two FWCs in all flight phases.

Nothing is displayed otherwise.

E. REGUL LO PR Indication
(Item 5)
This indication is normally not displayed.
It is displayed in amber when there is an oxygen lo press detected and transmitted by the SDAC.
It is not displayed when the value is not available from the SDAC.

(Item 6)
This indication is normally not displayed.
It is displayed in amber when an oxygen low pressure is detected and transmitted by the SDAC.
It is not displayed when the value is not transmitted by the SDAC.

F. Display of the Vertical Speed (V/S)

DOOR/OXY Page - Display of the Parameter: CABIN VERTICAL SPEED ** ON A/C NOT FOR ALL

(Item 6)
Title V/S

DOOR/OXY Page - Display of the Parameter: Cabin Vertical Speed ** ON A/C NOT FOR ALL

V/S indication

DOOR/OXY Page - Display of the Parameter: CABIN VERTICAL SPEED ** ON A/C NOT FOR ALL

(Item 6)
Title V/S
The title is displayed in white in the flight phase 6 only.
The indication is displayed in white in flight phases 5, 6 and 7 (the aircraft is not on the ground).
Value of the vertical speed
Case 1:
The value is normally displayed in green (in phase 6 only)

(1) Case 1:
The value is normally displayed in green (in flight phases 5, 6 and 7).

(2) Case 2
It is displayed in amber when the absolute value is higher than 2000 ft/mn.

(3) Case 2
It pulses in green when the absolute value is higher than 1800 FT/MN.
It stops pulsing if the absolute value drops below 1600 FT/MN (for a minimum of three seconds).

(4) Case 3
It is replaced by an amber "XX" when the value is not transmitted by the SDAC.

(5) Case 4
It is not displayed when not in phase 6.

Unit: FT/MN
The unit is displayed in cyan when the title V/S is displayed.
It is not displayed when the title V/S is not displayed.

(6) Case 4
It is not displayed when the aircraft is on the ground (flight phases 1, 2, 3, 4, 8, 9, 10).

Unit: FT/MN
The unit is displayed in cyan when the V/S indication is displayed.
It is not displayed when the V/S indication is not displayed.

(7) Arrow
Case 1

The arrow is displayed in green and points upward when the cabin vertical speed is in the 25 FT/MN to 1800 FT/MN range.
The arrow is green and points downward when the vertical speed is in the -1800 FT/MN to -25 FT/MN range.

Case 2

The arrow is green and pulsing when the vertical speed is higher than 1800 FT/MN (for a minimum of three seconds).
The arrow is green and pulsing when the vertical speed is lower than -1800 FT/MN (for a minimum of three seconds).
The arrow stops pulsing if the absolute value drops below 1600 FT/MN (for a minimum of three seconds).

Case 3

The arrow is not displayed when the vertical speed is in the -25 FT/MN to +25 FT/MN range.

G. Door Name
Item 7
The door name is not displayed when the door is closed.
It is displayed in amber when the door is open.
It is displayed in white when the door status is not available from the SDAC.
Item 8
The door name is not displayed when the door is closed.
It is displayed in amber when the door is open.
It is displayed in white when the door status is not transmitted by the SDAC.

H. Slide Operation

DOOR/OXY Page - Display of the Parameters: SLIDE OPERATION ** ON A/C NOT FOR ALL

(Item 8)

DOOR/OXY Page - Display of the Parameters: SLIDE Operation ** ON A/C NOT FOR ALL

(1) Case 1
The SLIDE indication is displayed in white when the door escape slide is armed.

(2) Case 2
It is replaced by amber dashes when the slide is disarmed and the door is open.

(3) Case 3
It is replaced by an amber "XX" when the door status is not transmitted by the SDAC.

(4) Case 4
Nothing is displayed when the door is closed and the slide is disarmed.

I. Door Symbol
Refer to item 2 as all cabin doors obey the same principles.

J. Door Name (CARGO)
The name of the cargo door follows the same principles as the cabin doors:

Amber when the door is open
White when the door status is not available
Not displayed when the door is closed.

K. Cargo Door Operation

DOOR/OXY Page - Display of the Parameters: DOOR and CARGO DOOR STATUS ** ON A/C NOT FOR ALL

Item 11 (FWD cargo door)
(the principles of the cabin doors apply, except the door status which is transmitted by the LGCIU, not by the SDAC).

DOOR/OXY Page - Display of the Parameters: CABIN and CARGO Door Status ** ON A/C NOT FOR ALL

Item 12 (FWD cargo door)
(the same principles of the cabin doors apply, except the door status which is transmitted by the Landing Gear Control and Interface Unit (LGCIU), not by the SDAC)

(1) Case 1
The door symbol outline is green when the door is closed (the door locking handle is locked and the door safety mechanism is safe).

(2) Case 2
The door is amber when it is open (the door locking handle is unlocked or the safety mechanism is unsafe) or when a cargo door sensor (system 1) has an electrical fault.

(3) Case 3
The door is replaced by an amber "X" when the door status is not transmitted by the LGCIU or when the LGCIU1 - L/G door sensors have an electrical fault.

L. Emergency Exit Operation

DOOR/OXY Page - Display of the Parameters: EMER EXITs ** ON A/C NOT FOR ALL

item 12
The emergency exits follow the same principles as the cabin doors

DOOR/OXY Page - Display of the Parameters: EMER EXIT ** ON A/C NOT FOR ALL

Item 13
The emergency exits follow the same principles as the cabin doors:

DOOR/OXY Page - Display of the Parameters: EMER EXITs ** ON A/C NOT FOR ALL

item 12
The EMER exits follow the same principles as the cabin doors

(1) Case 1
The door symbol outline is green when the door is closed.

(2) Case 2
The door is amber when it is open.

(3) Case 3
The door is replaced by an amber "X" when the door status is not transmitted by the SDAC.

M. Aft Cargo Door

DOOR/OXY Page - Display of the Parameters: DOOR and CARGO DOOR STATUS ** ON A/C NOT FOR ALL

(the principles of the cabin doors apply, except the door status which is transmitted by the LGCIU, not by the SDAC).

DOOR/OXY Page - Display of the Parameters: CABIN and CARGO Door Status ** ON A/C NOT FOR ALL

(the same principles of the cabin doors apply, except the door status which is transmitted by the LGCIU, not by the SDAC).

(1) Case 1
The door symbol outline is green when the door is closed (the door locking handle is locked and the door safety mechanism is safe)

(2) Case 2
the door is amber when it is open (the door locking handle is unlocked or the safety mechanism is unsafe) or when a cargo door sensor (syst 1) have an electrical fault

(3) Case 3
the door is replaced by an amber X when the door status is not available from the LGCIU, or when LGCIU1 - L/G door open sensors have an electrical fault
Aft cargo door

DOOR/OXY Page - Display of the Parameters: DOOR and CARGO DOOR STATUS ** ON A/C NOT FOR ALL

(4) Case 1
The door symbol outline is green when the door is closed (the door locking handle is locked and the door safety mechanism is safe).

(5) Case 2
The door is amber when it is open (the door locking handle is unlocked or the safety mechanism is unsafe) or when a cargo door sensor (system 1) has an electrical fault.

(6) Case 3
The door is replaced by an amber "X" when the door status is not transmitted by the LGCIU, or when the LGCIU1 - L/G door open sensors have an electrical fault.

N. BULK Cargo Door Operation
Item 15
The bulk cargo door follows the same principles as the cabin doors:

(1) Case 1
Green when the door is closed (BULK is not displayed)

(2) Case 2
Amber when the door is open (BULK is displayed in amber)

(3) Case 3
Replaced by an amber "X" when the door status is not transmitted by the SDAC (BULK is displayed in white).

O. CABIN Door Operation
(refer to item 2: cabin door)
Item 16
(refer to item 3: cabin door)

P. CABIN Door Operation
(refer to item 2: cabin door)
Item 17
(refer to item 3: cabin door)

Q. EMER EXIT Operation
(refer to item 12: EMER EXIT)
Item 18
(refer to item 13: EMER EXIT)

R. AVIONIC Door Operation
(refer to item 3: Avionic door)
Item 19
(refer to item 4: Avionic door)

[Rev.10 from 2021] 2026.04.01 00:38:51 UTC