Axis P3364-LV Bedienungsanleitung Seite 21

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AXISP3364–LVNetworkCamera
VideoandAudio
SetShutterto
Autotosettheshutterspeedautomatically.Ifrequired,useMaxshuttertolimittheshutterspeedtopreventtheframe
ratefrombeingreduced.Forexample,toget30fps,setMaxshutterto1/30.
Fixedtouseaxedshutterspeed.
Gain,measuredindecibel(dB),istheamountofamplicationappliedtotheimage.Ahighgainmayprovideabetterimageinlow
lightsituationsbutwillincreasetheamountofimagenoise.
SetGainto
Autotosetthegainautomatically.Ifrequired,useMaxgaintolimittheappliedgain.
Fixedtouseaxedgain.
WhenShutterandGainarebothsettoAuto,itispossibletosetthePrioritybetweenlowmotionblurandlownoisemanuallyandto
useadifferentPriorityinNormalLightandinLowLight.
Example
Consideranareawherepeopleorvehiclesmoveduringtheday,butwherethereshouldbenomovementsduringnight.Tobeableto,
forexample,recognizefacesorlicenseplates,movethenormallightpriorityslidertowardlowmotionblur.Atnighttime,motion
detectionismoreimportantthanidentication.Motionblurisacceptableandsincelowlightcancausealotofnoise,move
thelowlightpriorityslidertowardlownoise.
Example
Ifstoragespaceorbandwidthislimited,tryusingalowergain.Thiswillreduceimagenoiseandproducesmallerimageles.
Irisadjustment
SelectEnableautomaticirisadjustmenttoautomaticallycompensateforchanginglightconditions.Thisoptionisnotavailable
ifaxedirisisused.
UsetheIrisadjustmentslidertosetthepreferredF-value.Thescalerepresentstheamounttheirisisopen.Ifsetto0,theiris
isopenedasmuchaspossible.Ifsetto100,theirisisclosedasmuchaspossible.TheactualF-valueisshownbelowthe
slider.Ifautomaticirisadjustmentisenabled,theiriswillstayatthispositionaslongaslightconditionsarefavorable.Iflight
conditionschange,theiriswilladjustitselftothebestirissettings.Ifautomaticirisadjustmentisdisabled,theiriswilllockon
thesetpositionregardlessoflightconditions
Day/Night
TheIRcutlterpreventsinfrared(IR)lightfromreachingtheimagesensor.Inpoorlightingconditions,forexampleatnight,or
whenusinganIRlamp,settheIRcutltertoOff.Thisincreaseslightsensitivityandallowstheproductto“see”infraredlight.The
imageisshowninblackandwhitewhentheIRcutlterisoff.
IfusingautomaticExposurecontrol,settheIRcutltertoAutotoautomaticallyswitchbetweenOnandOffaccordingtothe
lightingconditions.
TheDay/Nightshiftlevelbarhelpsdeterminewhenthecamerawillshiftfromdaymodetonightmode.Normally,thecamera
automaticallychangesmodefromdaytonightwhenverydark(level100intheslider).BysettingDay/Nightshiftleveltoa
lowervalue,thecamerawillchangetonightmodeearlier.
Built-inIRIlluminationsLEDs
CAUTION
DonotlookdirectlyintotheIRLEDatshortdistance.SincetheIRlightprovidedfromtheIRLEDispowerfullightoutsideof
thevisiblerange,pleaseusethecameratocheckifIRlightisactivatedornot.
TheIRilluminationcanbeactivatedorde-activated,anditsintensitycanbeincreasedordecreasedbymovingtheslider,fromthe
product’sLiveViewpage.OthersettingscanbedenedfromSetup>Video&Audio>CameraSettings.
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