Axis P1427–LE - Day;Night; View Area

AXISP1427–LENetworkCamera
Video
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,theirisis
openedasmuchaspossible.Ifsetto100,theirisisclosedasmuchaspossible.TheactualF-valueisshownbelowtheslider.If
automaticirisadjustmentisenabled,theiriswillstayatthispositionaslongaslightconditionsarefavorable.Iflightconditions
change,theiriswilladjustitselftothebestirissettings.Ifautomaticirisadjustmentisdisabled,theiriswilllockontheset
positionregardlessoflightconditions
Day/Night
TheIRcutlterpreventsinfrared(IR)lightfromreachingtheimagesensor.Inpoorlightingconditions,forexampleatnight,orwhen
usinganexternalIRlamp,settheIRcutltertoOff.Thisincreaseslightsensitivityandallowstheproductto“see”infraredlight.The
imageisshowninblackandwhitewhentheIRcutlterisoff.
IfusingautomaticExposurecontrol,settheIRcutltertoAutotoautomaticallyswitchbetweenOnandOffaccordingtothe
lightingconditions.
ThecameralensisIRcorrected,whichmeansthatitmaintainsfocusinmixedlight.Asmallfocusadjustmentisrecommended
whenIRilluminationisused.SelectEnablefocusadjustmentforIRilluminationtoautomaticallyadjustthefocuswhentheIRcut
lterswitchesbetweenonandoff.
TheDay/Nightshiftlevelbarhelpsdeterminewhenthecamerawillshiftfromdaymodetonightmode.Normally,thecamera
automaticallychangesmodefromdaytonightwhenverydark(level100intheslider).BysettingDay/Nightshiftleveltoa
lowervalue,thecamerawillchangetonightmodeearlier.
Built-inIRIlluminationsLEDs
WARNING
Riskofeyeinjury.DonotlookdirectlyintotheIRLEDatshortdistance.SincethelightprovidedfromtheIRLEDisoutsideof
thevisiblerange,itisnotpossibletoseeifitisactive.UsethecameratocheckiftheIRilluminationisactive.
TheIRilluminationcanbeactivatedorde-activated,anditsintensitycanbeincreasedordecreasedbymovingtheslider,from
theproduct’sLiveViewpage.
OthersettingscanbedenedfromSetup>Video>CameraSettings.
De-selecttheEnableIRilluminationoptiontodisableIRilluminationaltogether.IfyoudisabletheSynchronizeIRilluminationwith
day/nightoption,IRilluminationwillnotbesynchronizedwithday/nightchanges.
ViewArea
Aviewareaisacroppedpartofthefullview.EachviewareaistreatedasavideosourceinLiveViewandhasitsownvideo
streamandPTZsettings.
Whensettingupaviewareaitisrecommendedthatthevideostreamresolutionisthesamesizeasorsmallerthantheviewarea
size.Settingthevideostreamresolutionlargerthantheviewareasizeimpliesdigitallyscaledupvideoaftersensorcapture,
requiringmorebandwidthwithoutaddingimageinformation.
Toenable,gotoVideo>CameraSettingsandselectEnableViewAreas.
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