Axis P1355-E~EOL Axis P1355-E User Manual

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AXISP1355–ENetworkCamera

VideoandAudio

Exposurecontrol-Thesesettingsisusedtoadapttotheamountoflightused.Automaticisthedefaultsettingscanbeusedinmost

situations.Theshutterspeedisautomaticallysettoproduceoptimumimagequality.Flicker-free50or60Hzisusedtoremove

ickerwhichcanbecausedbyuorescentandotherlightsources.TheHoldcurrentoptionlocksthecurrentexposuresettings.

EnableBacklightcompensation-Enablethisoptionifabrightspotoflight,forexamplealightbulb,causesotherareasin

theimagetoappeartoodark.

Exposurezones-Thissettingsdetermineswhichpartoftheimageisusedtocalculatetheexposure.Formostsituations,theAuto

settingcanbeused.Forparticularrequirement,selectapredenedarea.

Shutter&Gain

Theshutterandgainsettingsaffecttheamountofmotionblurandnoiseintheimage.Toadapttodifferentlighting,available

storagespaceandbandwidth,itisoftennecessarytoprioritizeeitherlowmotionblurorlownoise.TheAxisproductallows

usingdifferentprioritizationinnormallightandinlowlight.

Shutterspeedisrelatedtotheamountoftimetheshutterisopenedandismeasuredinseconds(s).Aslowshutterspeedallows

morelighttoreachthesensorandcanhelpproduceabrighterimageinlowlightsituations.Ontheotherhand,aslowshutter

speedcancausemovingobjectstoappearblurry.

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.

Irisconguration

Iriscongurationshowsthecurrentcongurediristype.Donotchangetheiriscongurationunlessthelenshasbeenchanged,

seeReplacingthelens,onpage9.

Irisadjustment

SelectEnableautomaticirisadjustmenttoautomaticallycompensateforchanginglightconditions.Thisoptionisnotavailable

ifaxedirisisused.

UsetheIrisadjustmentslidertosetthepreferredF-value.Thescalerepresentstheamounttheirisisopen.Ifsetto0,theiris

isopenedasmuchaspossible.Ifsetto100,theirisisclosedasmuchaspossible.TheactualF-valueisshownbelowthe

slider.Ifautomaticirisadjustmentisenabled,theiriswillstayatthispositionaslongaslightconditionsarefavorable.Iflight

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Axis P1355-E~EOL P1355-E Network Camera 0529-001