Escape.path.lighting.and.EXIT signs automatically.illuminate.if.DC.ESS SHED.bus fails or.normal.aircraft electrical power.fails without the emergency.generator.operating.
EXIT sign.also.automatically.illuminate when.cabin.altitude.exceeds.11,300 feet and may.illuminate.when.the.NO SMOKING.switch.is.selected ON, independent of EMER EXIT.LT selector.
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2.2.12..a320.Throttle.Controls.Transmission.Switches
When pushed.in, selected.the associated channel.for.transmission.and.the.three.green lines illuminate..The.channel.is deselected.by pushing.the.switch.again.or selecting another channel.
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VHF/HF -.When.pushed, allows communication.on.applicable transceiver. "CALL".flashes when.a SELCAL.is received.on.the applicable radio.
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INT -When.pushed, allows communication.on.the.flight.interphone system. "MECH".flashes when.a.call.is received.from the external.service interphone.panel. Light.goes.off after 60.seconds if not.reset.
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CAB -When.pushed, allows communication.on.the.Cabin interphone.system or.service interphone. "ATT".flashes when.a.call is received.from a Flight Attendant station. Light goes off after.60 seconds if.not.reset.
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PA.-.Used for.PA.transmissionvia boom,.oxygen.mask.or.hand.mike. The.transmission.switch.must be pressed.and.held.to.use.the.PA system. PA.announcements can.also be.made.using.the.cockpit handset without selecting.the.PA.transmission switch.
Reception.Knobs
Select.reception.channels and.adjust associated.audio.levels. When.knob.is released.out, the.respective channel.is selected.and.the.knob.illuminates.
INT /.RAD.Switch
Operates as a.press-to-talk.switch.for.boon.or oxygen.mask.microphones.
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INT -The interphone.is "hot".between cockpit.crew.members,.regardless of the.transmission.switch.selection..The INT knob.must.be.selected.for reception.
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Neutral -Disconnects microphones from.transmission. Reception.is normal.
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RAD.-Connects boom.or.mask microphones to.facility.selected on.the ACP. Spring-loaded.to.the.neutral position.
ON.Voice.Switch
Inhibits.ADF.and.VOR.IDENT.signals..Switch illuminates when.pushed.in.
Reset.Switch
Extinguishes lights in.the.CALL,.MECH.and ATT.transmission.switches.
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Frequency.Displays.Windows
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ACTIVE.-Shows.the.active.frequency of the.selected.radio.(which.is identified by.the.illuminated.radio selection.key).
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STBY/CRS.-.Displays.the.NAV.course or.standby.radio.frequency..This frequency.is activated.by pushing.the transfer.switch, and.is changed.by rotating.the.frequency.selector.knobs.
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Transfer.Switch.(Arrow)
When pushed, exchanges.the.active and standby.frequencies, and.tunes the.new active frequency.
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本文链接地址：Flight Deck Documentation AIRBUS A320 空客A320驾驶舱文件(14)
