Axis 0810-004 - Page 23

AXISM1065-LWNetworkCamera
VideoandAudio
Shutterspeedisrelatedtotheamountoftimetheshutterisopenedandismeasuredinseconds(s).Aslowshutterspeedallows
morelighttoreachthesensorandcanhelpproduceabrighterimageinlowlight.Ontheotherhand,aslowshutterspeedcan
causemovingobjectstoappearblurry.
SetShutterto:
•Autotosettheshutterspeedautomatically.Ifrequired,useMaxshuttertolimittheshutterspeedtopreventtheframe
ratefrombeingreduced.
Forexample,toget30fps,setMaxshutterto1/30.
•Fixedtouseaxedshutterspeed.
Gain,measuredindecibel(dB),istheamountofamplicationappliedtotheimage.Ahighgainmayprovideabetterimageinlow
lightbutwillincreasetheamountofimagenoise.
SetGainto:
•Autotosetthegainautomatically.Ifrequired,useMaxgaintolimittheappliedgain.
•Fixedtouseaxedgain.
Example
Ifstoragespaceorbandwidthislimited,tryusingalowergain.Thiswillreduceimagenoiseandproducesmallerimageles.
Theshutterandgainsettingsaffecttheamountofmotionblurandnoiseintheimage.Toadapttodifferentlighting,available
storagespaceandbandwidth,itisoftennecessarytoprioritizeeitherlowmotionblurorlownoise.TheAxisproductallows
usingdifferentprioritizationinnormallightandinlowlight.
SetExposurepriorityto
•Automatictosettheshutterspeedautomatically.
•Lowmotionblurtoprioritizelowmotionblur.
•Lownoisetoprioritizelownoise.
ItisalsopossibletosettheMinandMaxlimitsforShutterandGain.
Shutterisrelatedtotheamountoftimetheshutterisopenedandismeasuredinseconds(s).Aslowshutterspeedallowsmorelight
toreachthesensorandcanhelpproduceabrighterimageinlowlightsituations.Ontheotherhand,aslowshutterspeedcan
causemovingobjectstoappearblurry.
Gain,measuredindecibel(dB),istheamountofamplicationappliedtotheimage.Ahighgainmayprovideabetterimageinlow
lightsituationsbutwillincreasetheamountofimagenoise.
Example
Ifstoragespaceorbandwidthislimited,tryusingalowergain.Thiswillreduceimagenoiseandproducesmallerimageles.
Day/Night
TheIRcutlterpreventsinfrared(IR)lightfromreachingtheimagesensor.Inpoorlightingconditions,forexampleatnight,orwhen
usinganexternalIRlamp,settheIRcutltertoOff.Thisincreaseslightsensitivityandallowstheproductto“see”infraredlight.The
imageisshowninblackandwhitewhentheIRcutlterisoff.
IfusingautomaticExposurecontrol,settheIRcutltertoAutotoautomaticallyswitchbetweenOnandOffaccordingtothe
lightingconditions.
IRillumination
WARNING
Donotstareatoperatinglamp.Riskofeyeinjury.LightemittedfromtheIRLEDisoutsidethevisiblerangesoitisnot
possibletoseeifitisactive.Usethecameratocheckthestatus.
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