.  
The.EMER.CANC.key.on.the.ECAM Control Panel.is pushed.

CHRONO.Switch

.  
First.push.causes Chronometer.time.to display.in boxed.format.in.lower-left comer of on-side.ND..Operates independently.of clock Chronometer and.other.ND.Chronometer.

.  
Second.push.freezes the.displayed value.

.  
Third push.resets the.Chronometer and.removes the.display.

Side.Stick.Priority.Lights

Arrow.Light
Illuminates red.in.front.of pilot.losing.authority.
Extinguishes when.sidestick activation.is re-
established.by:

.  
Release.of other.priority.switch.in.less than.30.seconds.

.  
Pushing.either.priority switch momentarily to.cancel a.latched priority.condition.

Captain's.Light

Illuminates green.to.indicate associated Sidestick.has.established.priority.by.activation of its priority switch.and.the.opposite.Sidestick is not.in.neutral. Extinguishes when.the.opposite.(.F/O.Light ) is returned.to.neutral.
12.11.06  -.40-
4.Center.Instrument.Panel

-.41-
k
Gasper.Air.Vent
Speaker
-.42-
y
GPWS.-.G./.S
.  
GPWS -Illuminates red.when.any GPWS.mode.from 1 through.4.is activated.and.an.aural warning sounds.

.  
G./.S.-.Illuminates.amber.when.GPWS mode.5.is activated.and.the."Glide Slope".aural.warning.sounds. Pressing the.switch.silences.the."Glide.Slope" warning.and.turns.off.the.G/S.light.

.

PFD.Brightness.Control.Knob
Manually adjusts on-side.PFD brightness. When PFD is selected.OFF,.the.PFD.image.is auto,atically.displayed.on.the.on-side.ND..(ND may be.recovered.by.pushing.the.PFD/ND XFR.switch.)
PFD/ND.XFR.Switch
Interchanges the.on-side.PFD and.ND displays.
ND.Brightness.Control.Knob
Manually adjusts on-side.ND.brightness. Outer knob.controls the.brightness of the weather radar image.only..Inner.knob.controls the general brightness of.the.ND.symbology.
Loud.Speaker.Knob
Adjust loudspeaker audio.volume. Aural alert, CVR.test, and.voice.message.level are not controlled.by.these.knobs.
Console/Floor Lighting.Selector
Controls the.intensity.of.the.side.consoles,
briefcase.areas and.the.floor.around.the.pilot seats

12.11.06  -.43-
4.3..Captain's.Primary.Flight.Display.(PFD)(A320)

Flight.Mode.Annunciations Displays.5.columns 3.lines of.flight.mode annunciations and.messages
PFD.Airspeed.Indications
Overspeed Protection.Symbol
Indicates in green.the.speed.(VMO.+.6.knots / Mmo.+.0.01).at which.Overspeed.protection activates.
VMAX
Defined.by.the.lower.end.of a.red.and.black strip.along.the.speed.scale. Represents the lowest.of.VMC.(.or.MMC.),.VFE,.or.VLE.if.the landing.gear.is extended. Computed.by the FACs.
Green Dot.Speed
　
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本文鏈接地址：Flight Deck Documentation AIRBUS A320 空客A320駕駛艙文件(21)