Airbus A320 Systems - Smaller Panels

Front 1

COMMAND pb
(EVAC Panel)

- ON
- OFF
- EVAC Light

Back 1

ON:
In the cockpit:
- EVAC light flashes red.
In the cabin:
- EVAC lights flash at FWD and AFT attendant panels.
- Evacuation tone sounds.

OFF:
The alert is stopped.

EVAC light:
Flashes red when the alert is activated.

Front 2

GND CTL switch
(RCDR Panel)

- ON
- AUTO

Back 2

ON:
- The CVR, DFDR, and QAR are on. The ON light comes on blue.

AUTO:
- The CVR, DFDR, and QAR are on according to logic.

The system automatically switches from ON to AUTO at the first engine start, and also in case of an electrical transient.

Front 3

CVR ERASE pb
(RCDR Panel)

Back 3

Pressed for 2 seconds completely erases the tape, if:
- The aircraft is on the ground, and
- The parking brake is on.

Front 4

CVR TEST pb
(RCDR Panel)

Back 4

This activates the test, if the CVR is on and the parking brake is on.

Front 5

EMER pb (guarded)
(CALLS Panel)

Back 5

When pressed:
- Two pink lights flash on all area call panels.
- The “EMERGENCY CALL” message appears on all AIPs.
- 3x high-low chime sounds.
- Cockpit CALLS panel, the ON light and CALL light flashes.

If the cabin presses EMER CALL key in the cockpit:
- On the EMER pb-sw: The ON light and CALL light flashes.
- The ATT lights will flash on all Audio Control Panels (ACPs).
- Three buzzers for approx. three seconds each.
The cabin call system will reset, when the cabin crewmember hangs up the handset.

Front 6

WING ANTI ICE pb
(ANTI ICE Panel)

- ON
- OFF
- FAULT Light

Back 6

ON:
- LT illuminates blue.
- WING A. ICE on ECAM
- Wing anti ice control valves open if a pneumatic supply is available.
- On the ground the wing anti-icing control valves open for 30 seconds only (test sequence).

OFF:
- ON light goes off.
- Wing anti-icing control valves close.

FAULT Light with ECAM, if:
- The position of the anti-icing control valve is not the required position.
- Low pressure is detected.
- During valve transit.

Front 7

ENG 1(2) pb
(ANTI ICE Panel)

- ON
- OFF
- FAULT Light

Back 7

ON:
- Light comes on blue.
- ECAM MEMO displays “ENG A. ICE.”
- Engine anti-ice valve opens if bleed air is available from the engine.
- Continuous ignition is selected when the valve is opened and the ANTI ICE ENG pb is selected ON. This makes the IGNITION memo appear on the ECAM.

OFF:
- ON light goes out.
- Engine anti-ice valve closes.

FAULT:
- The position of the anti-icing valve disagrees with the ENG 1(2) pb selection.

Front 8

PROBE/WINDOW HEAT pb
(PROBE/WINDOW HEAT Panel)

- AUTO
- ON

Back 8

AUTO:
Probes/Windows are heated automatically:
- In flight, or
- On the ground (except TAT probes) provided one engine is running.

ON:
Probes and windows are heated permanently. Blue light comes on.

Front 9

MASTER SW pb
(APU Panel)

- ON
- OFF
- FAULT Light

Back 9

ON :
- Blue ON light
- Electric power to APU
- ECB power-up test.
- APU air intake flap opens.
- APU fuel isolation valve opens.
- If no fuel tank pump is running, the APU fuel pump operates.
- APU page on the ECAM

OFF:
Manual shutdown sequence.
- ON and AVAIL lights go out
- APU keeps running for 2 min cooling at N 100 %.
- At 7 % the air inlet flap closes.

FAULT Light:
- Automatic APU shutdown.

Front 10

START pb
(APU Panel)

- ON
- AVAIL Light

Back 10

ON:
- Blue ON light
- When flap is full open, APU starter is energized.
- 1.5 sec after the starter is energized, ignition is ON.
- At N = 55 %. starter is de-energized, ignition is off.
- 2 sec after N = 95 %, or when N > 99.5 % ON light on the START pb goes out the AVAIL Lt comes on.
- 10 seconds later, the APU page disappears from the ECAM display.

Front 11

MAN START pb
(ENG Panel)

- ON
- OFF

Back 11

ON:
- The start valve opens if the ENG MODE selector is set to CRANK or IGN/START and N2 < 10 % (321) or N2 < 15% (319).
- Both pack flow control valves close during the start sequence.
- The blue ON light comes on.

OFF:
- Start valve closed unless a start cycle is in progress.

Front 12

N1 MODE pb
(ENG Panel)

- ON
- OFF

Back 12

ON:
Thrust control reverts from EPR mode to N1 rated mode. Following an automatic reversion to N1, rated or unrated mode, pressing the pb confirms the mode.
- The blue ON light comes on.

OFF:
If available, EPR mode is selected.

Front 13

EMER EXIT LT sel
(SIGNS Panel)

- ON
- OFF
- ARM

Back 13

ON:
- Overhead emergency lights, EXIT signs and proximity marking system come on.

OFF:
- Above lights are off.

ARM:
• Exit markers and overhead emergency lighting come on if:
- Normal aircraft electrical power system fails or
- DC ESS SHED BUS fails or
- AC BUS 1 fails.
• Exit signs come on if :
- Normal aircraft electrical power system fails or
- DC ESS SHED BUS fails.

Note: The LIGHT EMER pb on the purser's panel can turn on the emergency lighting independently of the positions of this selector switch.

Front 14

EMER EXIT LT
(SIGNS Panel)
- OFF Light

Back 14

This light comes on amber when the EMER EXIT LT selector is selected OFF.

Front 15

SEAT BELTS sw
(SIGNS Panel)

Back 15

ON:
FASTEN SEAT BELT and RETURN TO SEAT signs on with a low tone chime.

OFF:
Signs are off. Low tone chime sounds.

Front 16

NO SMOKING sw
(SIGNS Panel)

Back 16

ON:
NO SMOKING and EXIT signs come on with a low tone chime.
Note: Leaving the NO SMOKING selector ON prevents the emergency batteries from charging.

AUTO:
NO SMOKING and EXIT signs come on when landing gear is extended and go off when landing gear is retracted. Low tone chime sounds when the lights go on or off.

OFF: Signs are off. Low tone chime sounds upon extinction of lights.

Note: If the cabin altitude goes above 11,300 feet (± 350 feet), the cabin illuminates and the NO SMOKING, FASTEN SEAT BELT, EXIT signs come on regardless of SEAT BELTS and NO SMOKING selector switches.

Front 17

NAV and LOGO sw
(EXT LT Panel)

- Poisition 1 or 2
- OFF

Back 17

Position 1 or 2:
Turns on the logo lights and the first or second set of navigation lights. (Main gear struts must be compressed or slats extended for LOGO lights.)

OFF:
All lights are off.

Front 18

L(R) LAND sel
(EXT LT Panel)

- ON
- RETRACT
- OFF

Back 18

ON:
Extends the (left or right) landing light which comes on automatically when fully extended.

OFF:
Landing light off but extended.

RETRACT:
Retracts the landing light and shuts it off.

Front 19

STROBE sw
(EXT LT Panel)

- ON
- AUTO
- OFF

Back 19

ON:
The strobe lights flash white.

AUTO:
The strobe lights come on when the main gear strut is not compressed.

OFF:
The strobe light are off.

Front 20

ENG MODE Selector
(ENG Panel)

- CRANK
- NORM
- IGN START

Back 20

CRANK:
The start valve opens, if the MAN START pushbutton is ON, and N2 < 10 %. Ignition does not fire.

NORM: Turns on continuous ignition (A and B) when the engine is running and:
• The ENG 1(2) ANTI ICE pushbutton is ON, or
• The aircraft is in the takeoff phase, or
• Approach idle is selected, or
• In flight, an unscheduled sub idle or surge is detected.

IGN START: If the MASTER switch is ON, and N2 > idle, this position selects continuous ignition (A and B).
During an automatic start:
• After the dry crank sequence, ignition switches to A or B.
• During a manual start, ignition (A and B) commences when the MASTER switch is turned ON.
Note:On ground, the ignition automatically cuts off at the end of the start sequence (N2 > 43 %).

Front 21

ENG MASTER sw 1(2)
(ENG Panel)

- ON
- OFF

Back 21

ON:
LP fuel valve opens (if the ENG FIRE pushbutton is in).
During an automatic start, the HP fuel valve opens if:
• The ENG MODE selector is at IGN/START.
• 10 % < N2 < 16 %
During a manual start, the HP FUEL valve opens if:
• The ENG MODE selector is at IGN/START.
• The MAN START pushbutton switch is ON.

OFF:
Close signals go directly to the HP fuel valve and the LP fuel valve. These signals cause both channels of the FADEC to be reset.
Note: Releasing the ENG FIRE pushbutton allows flight crew to shut down the engine by closing the LP fuel valve. There is a time delay of about 60 seconds at ground idle as the engine burns the fuel left between the LP valve and the nozzles.

Front 22

FAULT LT 1(2)
(ENG Panel)

Back 22

FAULT Light:
This amber light comes on, and a caution appears on ECAM, if there is:
• An automatic start abort.
• A start valve fault.
• A disagreement between the HP fuel valve position and its commanded position.