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AIRCRAFT SYSTEMS LIGHTS

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AIRCRAFT SYSTEMS

LIGHTS

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A318/A319/A320/A321FLIGHT CREW

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AIRCRAFT SYSTEMSLIGHTS

PRELIMINARY PAGES - TABLE OF CONTENTS

82U A318/A319/A320/A321 FLEET DSC-33-PLP-TOC P 1/2FCOM 06 MAR 14

DSC-33-10 Cockpit LightingDSC-33-10-10 General

General.....................................................................................................................................................................A1 DSC-33-10-20 Description

Description............................................................................................................................................................... ASchematic.................................................................................................................................................................B

2 DSC-33-10-30 Controls and IndicatorsOverhead Panel.......................................................................................................................................................AMaintenance Panel.................................................................................................................................................. BLateral Window........................................................................................................................................................CPedestal................................................................................................................................................................... DGlareshield............................................................................................................................................................... EMain Inst Panel........................................................................................................................................................F

DSC-33-10-40 Electrical SupplyBUS EQUIPMENT LIST.......................................................................................................................................... ABus Equipment List..................................................................................................................................................B

DSC-33-20 Exterior LightingDSC-33-20-10 General

GENERAL................................................................................................................................................................ A

DSC-33-20-20 Controls and IndicatorsSCHEMATIC............................................................................................................................................................ AOverhead Panel.......................................................................................................................................................B

DSC-33-20-30 Electrical SupplyBUS EQUIPMENT LIST.......................................................................................................................................... A

DSC-33-30 Emergency Lighting3 DSC-33-30-10 Description

General.....................................................................................................................................................................APROXIMITY EMERGENCY ESCAPE PATH MARKING SYSTEM/EXIT SIGNS....................................................BEmergency Lighting Control Logic.......................................................................................................................... C

DSC-33-30-20 Controls and IndicatorsControls and Indicators............................................................................................................................................A

DSC-33-30-30 Electrical SupplyBUS EQUIPMENT LIST.......................................................................................................................................... A

Continued on the following page

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PRELIMINARY PAGES - TABLE OF CONTENTS

82U A318/A319/A320/A321 FLEET DSC-33-PLP-TOC P 2/2FCOM 06 MAR 14

Continued from the previous pageDSC-33-40 Signs

4 DSC-33-40-10 Controls and IndicatorsOverhead Panel.......................................................................................................................................................AMemo Display.......................................................................................................................................................... B

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PRELIMINARY PAGES - SUMMARY OF HIGHLIGHTS

82U A318/A319/A320/A321 FLEET DSC-33-PLP-SOH P 1/2FCOM 06 MAR 14

LocalizationTitle

TocIndex

ID Reason

Documentation update: Deletion of the "00001336.0001001Schematic" documentary unit.Configuration Management Simplification

DSC-33-PLP-TOCDescription

1

Documentation update: Deletion of the "00001335.0001001Description" documentary unit.Documentation update: Deletion of the "00001341.0001001Glareshield" documentary unit.

DSC-33-PLP-TOCControls and Indicators

2

Configuration Management SimplificationDocumentation update: Deletion of the "00001347.0009001General" documentary unit.

DSC-33-PLP-TOCDescription

3

Documentation update: Deletion of the "00001349.0006001Emergency Lighting Control Logic" documentary unit.

DSC-33-PLP-TOCControls and Indicators

4 Documentation update: Deletion of the "00001351.0009001Overhead Panel" documentary unit.

DSC-33-10-20Description

A 1 Documentation update: Addition of "Description" documentary unit

DSC-33-10-20Schematic

B 2 Documentation update: Addition of "Schematic" documentary unit

Revision to correct the name of the lateral window light. “Reading”light is changed in “Map” light.

DSC-33-10-30Lateral Window

C 1

Minor wording change.DSC-33-10-30Pedestal

D 2 Revision to clarify that the FLOOD LT MAIN PNL knob adjusts theflood lighting brightness of the entire main instrument panel andnot only of the center part of the main instrument panel.

DSC-33-10-30Glareshield

E 3 Documentation update: Addition of "Glareshield" documentary unit

DSC-33-10-40Bus Equipment List

B 1 Effectivity update: The information no longer applies to MSN 0279,0395.

DSC-33-30-10General

A 1 Effectivity update: The information no longer applies to MSN 0395.

DSC-33-30-10Emergency Lighting Control Logic

C 2 Effectivity update: The information no longer applies to MSN 0395.

DSC-33-30-20Controls and Indicators

A 1 Effectivity update: The information no longer applies to MSN 0279.

DSC-33-30-20Controls and Indicators

A 2 Effectivity update: The information no longer applies to MSN 0395.

DSC-33-40-10Overhead Panel

A 1 Effectivity update: The information now applies to all MSN.

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PRELIMINARY PAGES - SUMMARY OF HIGHLIGHTS

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82U A318/A319/A320/A321 FLEET DSC-33-PLP-SOH P 2/2FCOM 06 MAR 14

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COCKPIT LIGHTING - GENERAL

82U A318/A319/A320/A321 FLEET DSC-33-10-10 P 1/2FCOM A 11 DEC 13

GENERALIdent.: DSC-33-10-10-00001334.0001001 / 07 MAY 13Applicable to: ALL

The instrument panel has both integral instrument lighting and flood lighting.The brightness of all panel lighting is adjustable.Spot lights and flood lights illuminate all work surfaces and the side consoles.Two dimmable dome lights illuminate the overall cockpit. When the batteries are supplying allelectrical power, only the right-hand dome light is on line.

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COCKPIT LIGHTING - GENERAL

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82U A318/A319/A320/A321 FLEET DSC-33-10-10 P 2/2FCOM 11 DEC 13

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COCKPIT LIGHTING - DESCRIPTION

82U A318/A319/A320/A321 FLEET DSC-33-10-20 P 1/2FCOM A to B → 06 MAR 14

DESCRIPTION 

1 Ident.: DSC-33-10-20-00001335.0002001 / 05 FEB 14Applicable to: ALL 

INTEGRATED LIGHTING FOR INSTRUMENTS AND PANELSAll instruments and panels in the cockpit (other than display units) have integral lighting.The brightness of all integral lighting is adjustable.

ANNUNCIATOR LIGHTSThe ANN LT selector on the overhead panel controls the brightness of all the annunciator lights onthe flight deck.It sets the brightness of all annunciator lights at the same level.Flight crew can test the annunciator lights by selecting the TEST position on the ANN LT selectorand checking to see that all the annunciator lights come on.

DOME LIGHTSTwo dome lights give the cockpit shadow-free illumination.

MAPHOLDER LIGHTING Each pilot’s station has a lighted map and chart holder.

CONSOLE AND BRIEFCASE LIGHTINGEach pilot’s station has lighting for the briefcase stowage, the side console, and the floor.

CENTER INSTRUMENT PANELLights under the glareshield illuminate the center instrument panel.

STANDBY COMPASSThe standby compass has integral lighting.

READING LIGHTSEach pilot’s station has a reading light.

PEDESTAL LIGHTINGA flood light in the middle of the overhead panel illuminates the center pedestal.

SCHEMATIC 

2 Ident.: DSC-33-10-20-00001336.0002001 / 05 FEB 14Applicable to: ALL 

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COCKPIT LIGHTING - DESCRIPTION

82U A318/A319/A320/A321 FLEET DSC-33-10-20 P 2/2FCOM ← B 06 MAR 14

A318/A319/A320/A321FLIGHT CREW

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COCKPIT LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-10-30 P 1/6FCOM A 06 MAR 14

OVERHEAD PANELIdent.: DSC-33-10-30-00001337.0001001 / 22 MAY 12Applicable to: ALL

(1) OVHD INTEG LT knobThis knob turns the overhead panel’s integral lighting on and off, and adjusts its brightness.

(2) STBY COMPASS swThis switch turns the standby compass’ integral lighting on and off.

(3) DOME selectorThis switch controls both dome lights.BRT : Both dome lights are on and bright.DIM : Both dome lights are on and dim.OFF : Both dome lights are off.

(4) ANN LT selectorThis switch sets the brightness of all the cockpit annunciator lights at either “bright” or “dim”,and also tests them.TEST : Turns on all flight deck annunciator lights.

Displays 8’s in all Liquid Crystal Displays (LCDs).DIM : Reduces voltage to all annunciator lights.BRT : Allows annunciators to function normally.Note: Data transfer between the ECAM and the ND, and switching between the Electronic

Instrument System and the Display Management Computer are not allowed duringthe ANN LT test.

(5) READING LT knobThe reading light on each side of the overhead panel has its own control knob that turns it onand off and adjusts its brightness.

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COCKPIT LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-10-30 P 2/6FCOM B to C 06 MAR 14

MAINTENANCE PANELIdent.: DSC-33-10-30-00001338.0001001 / 22 MAY 12Applicable to: ALL

(1) AVIONICS COMPT LT pushbutton switchAUTO : avionic compartment lighting is automatically controlled by door opening.ON : avionic compartment lighting is on.

LATERAL WINDOWIdent.: DSC-33-10-30-00001339.0001001 / 05 FEB 14Applicable to: ALL

 

1

(1) Map light knob (Captain and F/O).Note: When the swivelling reading light is pushed back in its housing, power supply is

automatically cut off.

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COCKPIT LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-10-30 P 3/6FCOM D to E → 06 MAR 14

PEDESTALIdent.: DSC-33-10-30-00001340.0001001 / 05 FEB 14Applicable to: ALL

 

2

(1) FLOOD LT MAIN PANL knobThis knob adjusts the brightness of the flood lighting for the main instrument panel, and turns iton and off.

(2) INTEG LT MAIN PNL & PED knobThis knob adjusts the brightness of integral lighting for the main panel and pedestal, and turnsit on and off.

(3) FLOOD LT PED knobThis knob adjusts the brightness of the flood lighting for the pedestal, and turns it on and off.

GLARESHIELD 

3 Ident.: DSC-33-10-30-00001341.0002001 / 21 JAN 14Applicable to: ALL 

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COCKPIT LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-10-30 P 4/6FCOM ← E 06 MAR 14

(1) This knob adjusts the brightness of the integral lighting on the glareshield.

(2) This knob adjusts the brightness of the FCU displays.

(3) This lighting illuminates the sliding table and map holder.

(4) This knob adjusts the brightness of the sliding table and map holder lighting.

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COCKPIT LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-10-30 P 5/6FCOM F 06 MAR 14

MAIN INST PANELIdent.: DSC-33-10-30-00001342.0001001 / 22 MAY 12Applicable to: ALL

(1) CONSOLE/FLOOR switchEach of these switches controls the lights for the side console and briefcase on one side of thecockpit, and for the floor around one of the pilot's seats. The lights can either be bright, dim, oroff.

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COCKPIT LIGHTING - CONTROLS AND INDICATORS

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82U A318/A319/A320/A321 FLEET DSC-33-10-30 P 6/6FCOM 06 MAR 14

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COCKPIT LIGHTING - ELECTRICAL SUPPLY

82U A318/A319/A320/A321 FLEET DSC-33-10-40 P 1/2FCOM A 06 MAR 14

BUS EQUIPMENT LISTIdent.: DSC-33-10-40-00001353.0001001 / 20 DEC 10Applicable to: MSN 0342

NORM EMER ELEC

AC DC ACESS

DCESS HOT

L DC GND/ FLTDome light

R XL DC1Console light R DC2L XMain INST panel R DC1

STBY compass light XSupplementary reading light DC1

Pedestal light DC1L DC1Reading light R DC2L DC1Briefcase light R DC2L DC1Map holder light R DC2

Floor light DC1INST, panels-integral light AC1

Annunciator lightAC1, 2and AC

STAT INV

COCKPITLIGHTS

Annunciator light test/dim DC2

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COCKPIT LIGHTING - ELECTRICAL SUPPLY

82U A318/A319/A320/A321 FLEET DSC-33-10-40 P 2/2FCOM B 06 MAR 14

BUS EQUIPMENT LISTIdent.: DSC-33-10-40-00001353.0005001 / 16 MAR 11

1 Applicable to: MSN 0112-0189

NORM EMER ELEC

AC DC ACESS

DCESS HOT

L DC GND/ FLTDome light

R XL DC 1Console light R DC 2L X HOT 1 (1)

Main INST panel R DC 1STBY compass light X

Supplementary reading light DC 1Pedestal light DC 1

L DC 1Reading light R DC 2L DC 1Briefcase light R DC 2L DC 1Map holder light R DC 2

Floor light DC 1INST, panels-integral light AC 1

Annunciator lightAC 1, 2and AC

STAT INV

COCKPITLIGHTS

Annunciator light test/dim DC 2(1) Backup supply

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EXTERIOR LIGHTING - GENERAL

82U A318/A319/A320/A321 FLEET DSC-33-20-10 P 1/2FCOM A 07 OCT 11

GENERALIdent.: DSC-33-20-10-00001343.0001001 / 10 DEC 09Applicable to: ALL

Exterior lighting includes :‐ navigation lights‐ landing lights‐ runway turn off lights‐ TO and TAXI lights‐ logo lights‐ anticollision lights‐ wing and engine scan lightsSwitches on the overhead panel control the exterior lighting.

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EXTERIOR LIGHTING - GENERAL

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82U A318/A319/A320/A321 FLEET DSC-33-20-10 P 2/2FCOM 07 OCT 11

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EXTERIOR LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-20-20 P 1/4FCOM A → 07 OCT 11

SCHEMATICIdent.: DSC-33-20-20-00001344.0006001 / 14 MAR 11

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EXTERIOR LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-20-20 P 2/4FCOM ← A 07 OCT 11

Applicable to: ALL

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EXTERIOR LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-20-20 P 3/4FCOM B → 07 OCT 11

OVERHEAD PANELIdent.: DSC-33-20-20-00001345.0014001 / 14 MAR 11Applicable to: ALL

(1) BEACON swThis switch turns on and off the two flashing red lights, one on top and one on the bottom of thefuselage.

(2) WING swThis switch turns on and off two beam lights on each side of the fuselage. These lightsilluminate the leading edge of the wing and the engine air intake to show if ice is accumulatingthere.

(3) NAV and LOGO swThis switch turns the navigation lights on and off.There are dual navigation lights on each wing tip and in the APU tail cone.Logo lights are installed in the upper surface of each horizontal stabilizer to illuminate thecompany logo on the vertical stabilizer provided the main gear struts are compressed or theflaps are extended at least 15 °.1 : Turns on the logo lights and the first set of navigation lights.2 : Turns on the logo lights and the second set of navigation lights.

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EXTERIOR LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-20-20 P 4/4FCOM ← B 07 OCT 11

OFF : All lights are off.

(4) NOSE swThis switch turns the taxi and takeoff lights on and off.TO : Turns on both taxi and takeoff lights.TAXI : Turns on only taxi light.OFF : Taxi and takeoff lights off.Note: These two lights, attached to the nose gear strut, go off automatically when landing

gear is retracted.

(5) L and R LAND selThese selectors control the landing light.ON : Extends the (left or right) landing light which comes on automatically when

fully extended.OFF : Shut off the landing light but leaves it extended.RETRACT : Retracts the landing light and shuts it off.

(6) RWY TURN OFF swThis switch turns the runway turn-off lights on and off.Note: These lights go off automatically when landing gear is retracted.

(7) STROBE swThis switch turns on and off the three synchronized strobe lights, one on each wing tip and onebelow the tail cone.ON : The strobe lights flash white.AUTO : The strobe lights come on automatically when the main gear strut is not

compressed.OFF : The strobe light are off.

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EXTERIOR LIGHTING - ELECTRICAL SUPPLY

82U A318/A319/A320/A321 FLEET DSC-33-20-30 P 1/2FCOM A 07 OCT 11

BUS EQUIPMENT LISTIdent.: DSC-33-20-30-00001354.0001001 / 10 DEC 09Applicable to: ALL

NORM EMER ELEC

AC DC ACESS

DCESS HOT

Navigation lights GRD/FLTLanding lights L AC1Landing lights R AC2

RWY turn off lights L AC1 DC 2 (1)

RWY turn off lights R AC2 DC 2 (1)

Taxi and TO lights AC1 DC 2 (1)

Taxi and TO lights AC2 DC 2 (1)

Logo lights L AC1 DC 2 (1)

Logo lights R AC2 DC 2 (1)

Beacon lights Upper AC1Beacon lights Lower AC2

Strobe lights AC2Wing lights R AC1

EXTERIORLIGHTS

Wing lights L AC2(1) Supply for the light control

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EXTERIOR LIGHTING - ELECTRICAL SUPPLY

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82U A318/A319/A320/A321 FLEET DSC-33-20-30 P 2/2FCOM 07 OCT 11

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EMERGENCY LIGHTING - DESCRIPTION

82U A318/A319/A320/A321 FLEET DSC-33-30-10 P 1/6FCOM A → 06 MAR 14

GENERALIdent.: DSC-33-30-10-00001347.0001001 / 19 JUL 12Applicable to: MSN 0112, 0342

The emergency lighting system has:‐ Proximity emergency escape path marking systems (escape path and exit markers)‐ Overhead emergency lights‐ EXIT signs‐ Lavatory auxiliary lights‐ Overwing escape route lighting‐ Escape slide lighting.EXIT signs come on, if the cabin altitude gets too high, or (depending on the CIDS/CAMprogramming) if the NO SMOKING signs come on.The proximity emergency escape path marking system, overhead emergency lighting, and EXITsigns come on, if the EMER EXIT LT selector is ON, or if the EMER pb on the Purser's panel ispressed.‐ With the EMER EXIT LT selector at ARM:

• The proximity emergency escape path marking system and the overhead emergency lightingautomatically comes on, if:▪ Normal aircraft electrical power system fails, or▪ DC SHED ESS BUS fails, or▪ AC BUS 1 fails.

• Exit signs automatically come on, if:▪ Normal aircraft electrical power system fails, or▪ DC SHED ESS BUS fails.

‐ When on, the proximity emergency escape path marking system, the overhead emergency lights,and the EXIT signs are normally supplied by the DC SHED ESS BUS.If the DC SHED ESS BUS fails, batteries inside the light fixtures power all the lights.Normally the DC SHED ESS BUS charges the batteries when:• The EMER LT selector is not ON, and• The EMER pb on the Purser’s panel is not pressed, and• AC BUS 1 is supplied, and• The NO SMOKING selector is OFF, or at AUTO with the landing gear retracted.

Lavatory auxiliary lights are always on. They are supplied by 28 V DC ESS BUS.The escape slides have an integral lighting system. The escape slide lights and overwing route lightscome on automatically, when the slide is deployed. They are supplied by the internal batteries.

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EMERGENCY LIGHTING - DESCRIPTION

82U A318/A319/A320/A321 FLEET DSC-33-30-10 P 2/6FCOM ← A → 06 MAR 14

GENERALIdent.: DSC-33-30-10-00001347.0002001 / 19 JUL 12

1 Applicable to: MSN 0189

The emergency lighting system has:‐ Proximity emergency escape path marking systems (escape path and exit markers)‐ Overhead emergency lights‐ EXIT signs‐ Lavatory auxiliary lights‐ Overwing escape route lighting‐ Escape slide lighting.EXIT signs come on, if the cabin altitude gets too high, or (depending on the CIDS/CAMprogramming) if the NO SMOKING signs come on.The proximity emergency escape path marking system, overhead emergency lighting and EXIT signscome on, if the EMER EXIT LT selector is ON, or if the EMER pb on the Purser panel is pressed.‐ With the EMER EXIT LT selector at ARM:

• The proximity emergency escape path marking system comes on, if:▪ Normal aircraft electrical power fails, or▪ DC SHED ESS BUS is lost.

• The overhead emergency lights come on, if:▪ Normal aircraft electrical power system fails, or▪ DC SHED ESS BUS fails, or▪ AC BUS 1 fails.

• Exit signs automatically come on, if:▪ Normal aircraft electrical power system fails, or▪ DC SHED ESS BUS fails.

‐ When lighted:• The proximity emergency escape path marking system is powered by internal batteries for at

least 12 min.• DC SHED ESS BUS supply the overhead emergency lights and the EXIT signs.

If DC SHED ESS BUS fails, batteries inside the light fixtures power all the lights.• DC SHED ESS BUS charge the internal batteries, if:

▪ EMER LT selector is not at ON, and▪ The EMER pb on the Purser’s panel is not pressed, and▪ DC SHED ESS BUS is supplied, and▪ The NO SMOKING selector is OFF, or at AUTO with the landing gear retracted.

Lavatory auxiliary lights are always on. They are supplied by 28 V DC ESS BUS.

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EMERGENCY LIGHTING - DESCRIPTION

82U A318/A319/A320/A321 FLEET DSC-33-30-10 P 3/6FCOM ← A to B 06 MAR 14

The escape slides have an integral lighting system. The escape slide lights and overwing route lightscome on automatically when the slide is armed and the door or emergency exit is open. They aresupplied by the internal batteries.

PROXIMITY EMERGENCY ESCAPE PATH MARKING SYSTEM/EXIT SIGNSIdent.: DSC-33-30-10-00001348.0001001 / 10 DEC 09Applicable to: ALL

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EMERGENCY LIGHTING - DESCRIPTION

82U A318/A319/A320/A321 FLEET DSC-33-30-10 P 4/6FCOM C → 06 MAR 14

EMERGENCY LIGHTING CONTROL LOGICIdent.: DSC-33-30-10-00001349.0001001 / 22 MAY 12Applicable to: MSN 0112, 0342

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EMERGENCY LIGHTING - DESCRIPTION

82U A318/A319/A320/A321 FLEET DSC-33-30-10 P 5/6FCOM ← C 06 MAR 14

EMERGENCY LIGHTING CONTROL LOGICIdent.: DSC-33-30-10-00001349.0002001 / 22 MAY 12

2 Applicable to: MSN 0189

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EMERGENCY LIGHTING - DESCRIPTION

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82U A318/A319/A320/A321 FLEET DSC-33-30-10 P 6/6FCOM 06 MAR 14

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EMERGENCY LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-30-20 P 1/4FCOM A → 06 MAR 14

CONTROLS AND INDICATORSIdent.: DSC-33-30-20-00001350.0001001 / 09 OCT 12

1 Applicable to: MSN 0112

(1) EMER EXIT LT selectorThe selector has three detent positions.ON : Overhead emergency lights, EXIT signs and proximity marking system come on.OFF : Above lights are off.ARM : ‐ The proximity emergency escape path marking system and overhead emergency

lighting come on if:• Normal aircraft electrical power system fails or• DC SHED ESS BUS fails or• AC BUS 1 fails.

‐ Exit signs come on if:• Normal aircraft electrical power system fails or• DC SHED ESS BUS fails or

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

(2) EMER EXIT LT-OFF ltThis light comes on amber when the EMER EXIT LT selector is selected OFF.

(3) LIGHT EMER pbWhen pressed, this button performs the same function as the EMER EXIT LT switch when it isON.

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EMERGENCY LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-30-20 P 2/4FCOM ← A → 06 MAR 14

CONTROLS AND INDICATORSIdent.: DSC-33-30-20-00001350.0002001 / 09 OCT 12

2 Applicable to: MSN 0189

(1) EMER EXIT LT selectorThe selector has three detent positions.ON : Overhead emergency lights, EXIT signs and proximity marking system come on.OFF : Above lights are off.ARM : ‐ The proximity emergency escape path marking system comes on when the

normal aircraft electrical power or DC SHED ESS BUS is lost‐ The overhead emergency lights come on if:

• Normal aircraft electrical power system fails or• DC SHED ESS BUS fails or• AC BUS 1 fails.

‐ Exit signs come on if:• Normal aircraft electrical power system fails or• DC SHED ESS BUS fails or

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

(2) EMER EXIT LT-OFF ltThis light comes on amber when the EMER EXIT LT selector is selected OFF.

(3) LIGHT EMER pbWhen pressed, this button performs the same function as the EMER EXIT LT switch when it isON.

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EMERGENCY LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-30-20 P 3/4FCOM ← A → 06 MAR 14

CONTROLS AND INDICATORSIdent.: DSC-33-30-20-00001350.0003001 / 09 OCT 12Applicable to: MSN 0342

(1) EMER EXIT LT selectorThe selector has three detent positions.ON : Overhead emergency lights, EXIT signs and proximity marking system come on.OFF : Above lights are off.ARM : ‐ The proximity emergency escape path marking system and overhead emergency

lighting come on if:• Normal aircraft electrical power system fails or• DC SHED ESS BUS fails or• AC BUS 1 fails.

‐ Exit signs come on if:• Normal aircraft electrical power system fails or• DC SHED ESS BUS fails or

Note: ‐ With EMER EXIT LT selector set to ON or ARM, the Passenger Addresssystem is supplied by the HOT BUS.

‐ The LIGHT EMER pb on the purser's panel can turn on the emergencylighting independently of the positions of this selector switch.

(2) EMER EXIT LT-OFF ltThis light comes on amber when the EMER EXIT LT selector is selected OFF.

A318/A319/A320/A321FLIGHT CREW

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AIRCRAFT SYSTEMSLIGHTS

EMERGENCY LIGHTING - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-30-20 P 4/4FCOM ← A 06 MAR 14

(3) LIGHT EMER pbWhen pressed, this button performs the same function as the EMER EXIT LT switch when it isON.

A318/A319/A320/A321FLIGHT CREW

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AIRCRAFT SYSTEMSLIGHTS

EMERGENCY LIGHTING - ELECTRICAL SUPPLY

82U A318/A319/A320/A321 FLEET DSC-33-30-30 P 1/2FCOM A 07 OCT 11

BUS EQUIPMENT LISTIdent.: DSC-33-30-30-00001355.0001001 / 10 DEC 09Applicable to: ALL

NORM EMER ELEC

AC DC ACESS

DCESS HOT

CABIN LIGHTING AC1 AC2 andGRND/ FLT SHED (1)

(1) Standby supply (Refer to DSC-33-30-10 Emergency Lighting Control Logic)

A318/A319/A320/A321FLIGHT CREW

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AIRCRAFT SYSTEMSLIGHTS

EMERGENCY LIGHTING - ELECTRICAL SUPPLY

Intentionally left blank

82U A318/A319/A320/A321 FLEET DSC-33-30-30 P 2/2FCOM 07 OCT 11

A318/A319/A320/A321FLIGHT CREW

OPERATING MANUAL

AIRCRAFT SYSTEMSLIGHTS

SIGNS - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-40-10 P 1/2FCOM A 06 MAR 14

OVERHEAD PANELIdent.: DSC-33-40-10-00001351.0001001 / 24 JUN 13

1 Applicable to: ALL

(1) SEAT BELTS swON : FASTEN SEAT BELT and RETURN TO SEAT signs come on simultaneously, with a

low tone chime.OFF : Signs are off. The low tone chime sounds when the lights turn off (depending on the

CIDS/CAM programming).

(2) NO SMOKING selectorON : NO SMOKING and EXIT signs come on simultaneously with a low tone chime.AUTO : NO SMOKING and EXIT signs come on when the landing gear is extended, and turn

off when the landing gear is retracted. The low tone chime sounds (depending onthe CIDS/CAM programming) when the lights go on or off.

OFF : Signs are off. The low tone chime sounds when the lights turn off (depending on theCIDS/CAM programming).

Note: 1. If the cabin altitude goes above 11 300 ft (±350 ft), the cabin illuminates (dependingon the CIDS/CAM programming) and the NO SMOKING, FASTEN SEAT BELT,EXIT signs come on, regardless of the SEAT BELTS and NO SMOKING selectorswitches.

2. For NON SMOKER AIRCRAFT , the NO SMOKING signs are always on.

A318/A319/A320/A321FLIGHT CREW

OPERATING MANUAL

AIRCRAFT SYSTEMSLIGHTS

SIGNS - CONTROLS AND INDICATORS

82U A318/A319/A320/A321 FLEET DSC-33-40-10 P 2/2FCOM B 06 MAR 14

MEMO DISPLAYIdent.: DSC-33-40-10-00001352.0002001 / 14 FEB 11Applicable to: ALL

‐ Displays “LDG LT” in green, if one landing light is extended.‐ Displays “STROBE LT OFF” in green, if the STROBE switch is OFF in flight.‐ Displays “SEAT BELTS” and “NO SMOKING” messages in green, when the corresponding sign is

on.