Upload
phamtuong
View
230
Download
4
Embed Size (px)
Citation preview
901-006
OVERVIEW
Overview CongratulationsonyourpurchaseoftheAeroSafetySystems’CentralWarningPanel(CWP)andMasterCaution(MC).Thispurchaserepresentsanimportantinvestmentinyoursafety.Goodchecklistdrillsandcockpitscanswillalwaysbeessentialforgoodairmanshipandresponsiblecaptaincy,butforthosetimeswhenyouneedtofocusonadifficulttaskortosharpenyourlookoutincongestedairspace,it’sreassuringtoknowthatsafetycriticalitemsorflightconditionsarestillbeingmonitored.
Operating Notes
YourCWPwilltypicallyhavelegends,voicealerts,EFISintegrationandlogicpre-configuredbythefactorytoyourspecificrequirements.Itisimportanttoreadthecustomizationdocumentationthatcamewithyourunittounderstandthelogic,andthisshouldbeappendedtothesepilotsnotes.Anexamplelayoutisshownbelow:
AH501 MASTER CAUTION
A B C D
1 2 3 4
AH500 CENTRAL WARNING
The SD equipped CWPs allow easy customization of the logic and voice alerts. It is the installers responsibility to document any changes to the logic and append the logic in the pilots notes.
901-006
Be aware
Forallthesewarningsandcautionstofunctionproperly,theCWPwillhavebeenspecified,configured,installedandwiredwithcarefulthoughttothelogicandinaccordancetothefittinginstructionssuppliedwiththekit.IfyouwerenotresponsibleforfittingtheCWPyourself,asktheinstallerforalogicdocumentandwiringdiagram.Somewarningsorcautionsmaynothavebeenenableddependinguponaircrafttypeinwhichcasetheseshouldbemarkedwiththeblank“-------“legend.SomelegendlogicrequiresdatafromexternaldatafeedsfromanEFISorEnginemonitoringsystem.ThislogicrequirestheEFISanddatafeedtobeoperational.
Switchingthesystemon
Thecentralwarningsystemshouldbewiredtobeautomaticallyswitched onwiththeelectricalmasterswitch. TheCWPfeaturesautoacknowledgeonstartuptopreventunnecessaryflashingcaptionsandvoicealerts.OnPowerup,CWPlegendlogicthatisactivewillilluminatesteady(i.e.notflash)andtherewillbenovoicealerts.Forexample,oninitialpoweronandsincetheengineisnotyetrunning,aLOWOILPRESSUREwarningwouldilluminatesteady(notflash)aswouldtheassociatedMasterWarningCaption.Therewouldbenoaudiovoicealerts.Afterenginestart,thecaptionbecomesinactive,andonlyonreactivationwouldtheLOWOILPRESUREcaptionandMasterWarningflashwiththeassociatedvoicealert.
Testingthesystem
TheCWPcanbetestedatanytimebypressingtheTESTbuttonontheCWPpanel.PressingtheTESTbuttonwillbringalllegendsonsteadyandalsobringonthemastercautionWARNINGandCAUTIONlamps.Indaylight,illuminationlevelsshouldbefullbrightness(sunlightreadable).Inlowlightconditions(e.g.duskornight),theilluminationlevelwillautomaticallybedimmed.Thiscanbetestedbyplacingafingerofthelightsensorwheninbrightlight.WhiletheTESTbuttonishelddepressed,alllampsshouldremainsteadyandthevoice‘TEST-TEST’audioshouldbeheard.Thistestcanbeperformedatanytimeonthegroundorinflighttoconfirmthatthesystemisfunctioningcorrectly.AudiovoicevolumeispresetduringmanufacturebutcanbeadjustedusingatrimpotentiometerlocatedattherearoftheCWPpanel.
AfterEngineStartandPreTake-off
Afterenginestart,warningsorcautionsapplicabletoengineparameterswillextinguish.Similarly,captionsrelatingtoconfigurationwillextinguishsuchasaparkingbrakealertwhenreleasedandcabindoorswhenclosed.Onceawarningorcautionlegendhasbeenextinguishedafterstart(orwasnottriggeredinthepre-startstate),anysubsequentfaultconditionwilltriggertheappropriateCWPandMastercautionorwarning,andassociatedvoiceaudioasapplicable.ThusALLlegendsshouldbedark(unilluminated)fortake-offandthischecke.g.‘CWPCLEAR’shouldbeincludedinyourPRETAKE-OFFchecks.
901-006
Note:Thelogicconfigurationallowsanumberofdifferentvoicealertstobeassociatedwithasinglecaption.Thisexpandstheamountofinformationavailabletothepilotbeyondthe8or16captions.Thiscanbeusefulformanyalerts,oneexamplebeing‘CheckGear’whereanumberofretractablegearproblemscanbemonitoredwithlimitswitchesandEFISairspeed/HeightAGLtogenerateasingle‘CheckGear’caption,butanumberofvoicealertsasshowninthisexample:
• “Warning!ThePortGearisnotlockeddown”(DownLimitswitchnotclosedwithin‘x’secondsofgeardownselected)
• “Warning!TheNosegearisnotlockeddown”(DownLimitswitchnotclosedwithin‘x’secondsofgeardownselected)
• “Warning!Landinggearisnotdown”(Airspeedbelow‘x’,HeightAGLbelow‘y’,gearnotdown)• “Caution!TheStarboardgearisnotup”(UPLimitswitchnotclosedwithin‘x’secondsofgeardown
selected)• etc.
WhenWarningsorCautionsaretriggered
Ifatanytimeanyalogicbecomesactive,thewarningorcautionwillbeindicatedasfollows:• Therelevantvoiceaudiowillsoundinaclear,calmvoicee.g.‘CHECKGEAR’• TheMCWARNINGlamportheMCCAUTIONlampwillflashasappropriate.• TherelevantwarningorcautionlegendwillflashontheCWP.
PressingtheMASTERCAUTIONbuttonwillacknowledgethewarningorcautionand:
• Mutethevoiceaudio,• TurntheMasterCautionorMasterWarningcaptiontosteady,• TurntheapplicableflashingCWPlegendtosteady.
Thepilot’sattentionhavingbeenbroughttothesystemfailureorconfigurationanomaly,check-listproceduresshouldthenbefollowedandappropriateactionstaken.Forsomewarningsorcautions,however,amoreimmediate(learned)pilotreactionmayberequired;forexamplea“Gearnotdown”voicealertmaymeanthatgearisnotdownatapproachspeed(assetinthelogicconfiguration)andCHECKFLAPSmaymeanthatyouareabouttoexceedthe(pre-set)flaplimitingspeed.TheCWPsystemremainsalerttoanyotherwarningorcautionsituation(s)arisingsubsequentlyandwillthuswarnoffagainasindicatedaboveifanothersystemfailureorconfigurationanomalyoccurs.Conversely,ifafaultconditioniscorrected,thewarningorcautionlampwillextinguishbutwilltriggeragainifthefaultconditionreoccurs.
Onengine shut-down
Duringengineshut-down,engine-relatedWarningsandCautionswillbetriggeredasalertlogicbecomesactive(e.g.oilandhydraulicpressures/alternatoroutputetc).ThesecanbemutedbypressingtheMasterCautionbuttoninthenormalway.SwitchingoffthebatterymasterwillshuttheCWPsystemdownandre-setitforsubsequentstartup.