Axis 0716-001 ~ EOL Axis Q8665-E User Manual

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AXISQ8665-EPTZNetworkCamera

Video

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.

Day/Night

TheIRcutlterpreventsinfrared(IR)lightfromreachingtheimagesensor.Inpoorlightingconditions,forexampleatnight,orwhen

usinganexternalIRlamp,settheIRcutltertoOff.Thisincreaseslightsensitivityandallowstheproductto“see”infraredlight.The

imageisshowninblackandwhitewhentheIRcutlterisoff.

IfusingautomaticExposurecontrol,settheIRcutltertoAutotoautomaticallyswitchbetweenOnandOffaccordingtothe

lightingconditions.

TheDay/Nightshiftlevelbarhelpsdeterminewhenthecamerawillshiftfromdaymodetonightmode.Normally,thecamera

automaticallychangesmodefromdaytonightwhenverydark(level100intheslider).BysettingDay/Nightshiftleveltoa

lowervalue,thecamerawillchangetonightmodeearlier.

Overlay

Overlaysareusedtoprovideextrainformation,suchasforensicvideoanalysisorduringproductinstallationandconguration.

Overlaysaresuperimposedoverthevideostream.

Anoverlaytextcandisplaythecurrentdateandtime,oratextstring.

Whenusingatextstring,modierscanbeusedtodisplayinformationsuchasthecurrentbitrateorthecurrentframerate.

Forinformationaboutavailablemodiers,seeFileNaming&Date/TimeFormatsintheonlinehelp

Itisalsopossibletodisplaytextwhenanactionruleistriggered,seeUseOverlayTextinanActionRule.

Note

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Axis 0716-001 ~ EOL Q8665-E 230V AC PTZ Network Camera 0716-001