Axis Q6044 - Overlay

AXISQ6044PTZDomeNetworkCamera
VideoandAudio
EnableBacklightcompensation-SelectEnableBacklightcompensationifabrightspotoflight,forexamplealightbulb,causes
otherareasintheimagetoappeartoodark.
Maxgain-Measuredindecibels(dB),gaindescribestheamountofamplicationappliedtoasignal,inthiscasethevisual
informationintheimage.Ahighlevelofamplicationmayprovideabetterimageinverylowlightsituations.Ahighgainwillalso
increasetheamountofimagenoise.
Exposurezones-Thissettingsdetermineswhichpartoftheimageisusedtocalculatetheexposure.Formostsituations,theAuto
settingcanbeused.Forparticularrequirement,selectapredenedarea.
IRcutlter-TheIRcutlterpreventsinfrared(IR)lightfromreachingtheimagesensor.Inpoorlightingconditions,forexampleat
night,orwhenusinganexternalIRlamp,settheIRcutltertoOff.Thisincreaseslightsensitivityandallowstheproductto“see”
infraredlight.TheimageisshowninblackandwhitewhentheIRcutlterisoff.SettheIRcutltertoAutotoautomatically
switchbetweenOnandOffaccordingtothelightingconditions.
Day/Nightshiftpriority-UsetheDay/Nightshiftprioritybartodeterminewhenthecamerashiftsintoeitherdaymodeornight
mode.Bydefault,thecamerawillautomaticallychangefromdaytonightmodeatapre-denedlevelwhichcorrespondstolight
conditions.Bydraggingthebarhandletowardsthesun,thecamerawillchangetodaymodeearlierandchangetonightmodelate.
ImageSettings
Important
Theautofocusbehaviorisaffectedbyfactorssuchaslightconditions,contrastsinthescene,andobjectsmovinginandout.In
theseconditionsorscenes,amanualfocuscouldbepreferabletoenhanceperformanceandallowthecameratofocusfaster.
Autofocusenabled-Autofocusenablesthecameratofocusalthoughthedistancetodifferentobjectsofinterestisconstantly
changing.Wheneverthecamera’span/tilt/zoompositionischanged,theautofocusperformsasearchtondtheidealfocuspoint.
Automaticfocusingisenabledbydefault.Ifthefocuspositionischangedmanuallyusingthefocusbar,autofocuswillbedisabled
evenifenabledinImageSettings.Inthiscase,usethePTZcontrolpaneltoenableautofocus,seepage13.Ifrequired,thefocus
controlcanbedisabledunderPTZ>Advanced>Controls.
Autodefog-Theproductwilldetectfogandautomaticallylteritouttogetaclearimage.Selecttheleveloffogremovalfromthe
drop-downlist.Highimpliesthatmaximumfogremovalisappliedandoffimpliesnofogremoval.Autodefogcanbeactivated
incorrectlyinsceneswithlowcontrast,highlightlevelvariationsorwhenautofocusisslightlyoff.Thiscanaffecttheimagequality
byforexample,increasingimagecontrast.Also,toomuchbrightnesscannegativelyimpacttheimagequalitywhendefogisactive.
Noisereduction-SettoOntoenablenoisereduction.Noisereductionmayincreasetheamountofmotionblur.
ImagefreezeonPTZ-SelectAllmovementstofreezetheimagewhilethecameraismovingduringapan,tiltorzoomoperation.
Oncethecamerareachesitsnewposition,theviewfromthatpositionisshown.Presetsfreezestheimageonlywhenthecamera
movesbetweenpresetpositions.
Overlay
Overlaysareusedtoprovideextrainformation,suchasforensicvideoanalysisorduringproductinstallationandconguration.
Overlaysaresuperimposedoverthevideostream.
Anoverlaytextcandisplaythecurrentdateandtime,oratextstring.Whenusingatextstring,modierscanbeusedtodisplay
informationsuchasthecurrentbitrateorthecurrentframerate.Forinformationaboutavailablemodiers,seeFileNaming&
Date/TimeFormatsintheonlinehelp
.
Itisalsopossibletodisplaytextwhenanactionruleistriggered,seeUseOverlayTextinanActionRule.
Toenableoverlays:
1.GotoVideo&Audio>VideoStreamandselecttheImagetab.
2.Toincludeanoverlayimage,selectIncludeoverlayimageatthecoordinates.Theoverlayimagemustrstbeuploadedto
theAxisproduct,seeOverlayImage.
3.Toincludedateandtime,selectIncludedateandIncludetime.
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