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AXISQ6055-CPTZNetworkCamera
Aboutvideosettings
Whitebalanceisusedtomakecolorsintheimageappearthesameregardlessofthecolortemperatureofthelightsource.TheAxis
productcanbesettoautomaticallyidentifythelightsourceandcompensateforitscolor.Alternatively,selectthetypeoflight
sourcefromthedrop-downlist.Foradescriptionofeachavailablesetting,seetheonlinehelp
.
Aboutwidedynamicrange
WideDynamicRange(WDR)processingbalancesthebrightestanddarkestsectionsofascenetoproduceanimagethatisbalanced
inlightingtoprovidemoredetail.Widedynamicrangecanimprovetheexposurewhenthereisaconsiderablecontrastbetweenlight
anddarkareasintheimage.TherearethreedifferentWDRmodes:
WDR1-doubleexposureloweffect
WDR2-doubleexposuremediumeffect
WDR3-doubleexposurehigheffect
ThedifferentWDRsettingsadjustforvariousamountsofcontrastintheimage.UseahigherWDRnumberforahighercontrast.
EnableWDRinintensebacklightconditions.DisableWDRinlowlightconditionsforoptimalexposure.Checkwhichsetting
worksbest.
Aboutexposuresettings
Exposurecontrol-Thesesettingsisusedtoadapttotheamountoflightused.Automaticisthedefaultsettinganditcanbe
usedinmostsituations.Theshutterspeedisautomaticallysettoproduceoptimumimagequality.UseManualifyouhavespecial
requirementsfortheexposuresettingandwishtolockit.Selectthedesiredexposuretimefromthedrop-downlist.
Maxexposuretime-Shutterspeed,alsocalled‘exposuretime’,standsforthelengthoftimethecamerashutterisopen,thereby
exposingthecamerasensortolight.Ifshutterspeedisfastitcanfreezeactioneffectively.Ifshutterspeedisslow,itcancause
movingobjectstoappearblurred.Decreasingtheexposuretimewillreducemotionblur.
Allowslowshutter-SelectAllowslowshuttertoletthecameradecreasetheshutterspeedinlowlighttoimproveimagebrightness.
EnableHighlightcompensation-Thissettingdetectsbrightlightsfromasourcesuchasatorchorcarheadlightsandmasksthat
imagearea.Thefeatureisusefulwhenthecameraoperatesinaverydarkareawhereabrightlightmayoverexposepartoftheimage
andpreventtheoperatorfromseeingotherpartsofthescene.
Maxgain-Measuredindecibels(dB),gaindescribestheamountofamplicationappliedtoasignal,inthiscasethevisual
informationintheimage.Ahighlevelofamplicationmayprovideabetterimageinverylowlightsituations.Ahighgainwillalso
increasetheamountofimagenoise.
Exposurezones-Thissettingdetermineswhichpartoftheimageisusedtocalculatetheexposure.Formostsituations,theAuto
settingcanbeused.Forparticularrequirements,selectapredenedarea.
IRcutlter-TheIRcutlterpreventsinfrared(IR)lightfromreachingtheimagesensor.Inpoorlightingconditions,orwhen
usinganexternalIRlamp,settheIRcutltertoOff.Thisincreaseslightsensitivityandallowstheproductto“see”infraredlight.
TheimageisshowninblackandwhitewhentheIRcutlterisoff.SettheIRcutltertoAutotoautomaticallyswitchbetween
OnandOffaccordingtothelightingconditions.
Day/Nightshiftpriority-UsetheDay/Nightshiftprioritybartodeterminewhenthecamerashiftsintoeitherdaymodeornight
mode.Bydefault,thecamerawillautomaticallychangefromdaytonightmodeatapre-denedlevelwhichcorrespondstolight
conditions.Bydraggingthebarhandletowardsthesun,thecamerawillchangetodaymodeearlierandchangetonightmodelate.
Aboutimagesettings
Important
Theautofocusbehaviorisaffectedbyfactorssuchaslightconditions,contrastsinthescene,andobjectsmovinginandout.In
theseconditionsorscenes,amanualfocuscouldbepreferabletoenhanceperformanceandallowthecameratofocusfaster.
Autofocusenabled-Autofocusenablesthecameratofocusalthoughthedistancetodifferentobjectsofinterestisconstantly
changing.Wheneverthecamera’span/tilt/zoompositionischanged,theautofocusperformsasearchtondtheidealfocuspoint.
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