Axis 0673-001 ~ EOL Axis A8004-VE User Manual

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AXISA8004-VENetworkVideoDoorStation

VideoandAudio

Exposurecontrol-Thissettingisusedtoadapttotheamountoflightused.Automaticisthedefaultsettingandcanbeusedin

mostsituations.Theshutterspeedisautomaticallysettoproduceoptimumimagequality.Flicker-free50or60Hzisusedtoremove

ickerwhichcanbecausedbyuorescentandotherlightsources.TheHoldcurrentoptionlocksthecurrentexposuresettings.

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.

•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.

ViewArea

Aviewareaisacroppedpartofthefullview.EachviewareaistreatedasavideosourceinLiveViewandhasitsownvideo

streamandPTZsettings.

Whensettingupaviewareaitisrecommendedthatthevideostreamresolutionisthesamesizeasorsmallerthantheviewarea

size.Settingthevideostreamresolutionlargerthantheviewareasizeimpliesdigitallyscaledupvideoaftersensorcapture,

requiringmorebandwidthwithoutaddingimageinformation.

Toenable,gotoVideo&Audio>CameraSettingsandselectEnableViewAreas.

Toaddanewviewarea:

1.GotoVideo&Audio>ViewArea.

2.ClickAdd.

3.ThenewviewareaappearsunderSelectedviewarea.EnteradescriptivenameintheNameeld.

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Axis 0673-001 ~ EOL A8004-VE Network Video Door Station 0673-001