AXISF44MainUnit
VideoandAudio
LocalContrastappliescontrasttoaspecicareaoftheimage.Usetheslidertoadjustthecontrast,whereahighervalueproduces
animagewithhighcontrastbetweenthedarkandlightareas.
WhiteBalance
Whitebalanceisusedtomakecolorsintheimageappearthesameregardlessofthecolortemperatureofthelightsource.TheAxis
productcanbesettoautomaticallyidentifythelightsourceandcompensateforitscolor.Alternatively,selectthetypeoflight
sourcefromthedrop-downlist.Foradescriptionofeachavailablesetting,seetheonlinehelp
.
ThewhitebalancewindowisenabledfortheAutomaticandAutomaticoutdooroptionsthatappearintheWhitebalancedrop-down
list.Selectoneoftheoptionsfromthedrop-downlisttosetthewhitebalancewindowproperties.SelectAutomatictousethe
defaultsettingsfortheAutomaticandAutomaticoutdooroptions(intheWhitebalancedrop-downlist).SelectCustomtomanually
setareferencewindowforwhitebalanceintheviewarea.
ExposureSettings
Conguretheexposuresettingstosuittheimagequalityrequirementsinrelationtolighting,framerateandbandwidth
considerations.
Exposurevalue-Clickinthebartone-tunetheexposure.
Exposurecontrol-Thissettingisusedtoadapttotheamountoflightused.Automaticisthedefaultsettingandcanbeusedin
mostsituations.Theshutterspeedisautomaticallysettoproduceoptimumimagequality.Flicker-free50or60Hzisusedtoremove
ickerwhichcanbecausedbyuorescentandotherlightsources.TheHoldcurrentoptionlocksthecurrentexposuresettings.
EnableBacklightcompensation-Enablethisoptionifabrightspotoflight,forexamplealightbulb,causesotherareasin
theimagetoappeartoodark.
Exposurezones-Thissettingdetermineswhichpartoftheimageisusedtocalculatetheexposure.Formostsituations,theAuto
settingcanbeused.Forparticularrequirements,selectapredenedarea.
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.
•Fixedtouseaxedshutterspeed.
Gain,measuredindecibel(dB),istheamountofamplicationappliedtotheimage.Ahighgainmayprovideabetterimageinlow
lightsituationsbutwillincreasetheamountofimagenoise.
SetGainto
•Autotosetthegainautomatically.Ifrequired,useMaxgaintolimittheappliedgain.
•Fixedtouseaxedgain.
WhenShutterandGainarebothsettoAuto,itispossibletosetthePrioritybetweenlowmotionblurandlownoisemanuallyandto
useadifferentPriorityinNormalLightandinLowLight.
Example
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