Axis P3925-LRE User manual

AXISP3925-LRENetworkCamera
UserManual

AXISP3925-LRENetworkCamera
TableoContents
Getstarted................................................3
Chooselens....................................................3
Findthedeviceonthenetwork....................................3
Accessthedevice...............................................3
Webpageoverview..............................................5
Additionalsettings..........................................7
Adjusttheimage................................................7
Viewandrecordvideo............................................1
Setuprulesandalerts...........................................13
Cleaningrecommendations...................................18
Learnmore................................................19
Viewarea......................................................19
Capturemodes.................................................19
Privacymasks..................................................19
Overlays.......................................................0
Streamingandstorage...........................................0
Troubleshooting............................................3
Resettofactorydefaultsettings...................................3
Firmwareoptions...............................................3
Checkthecurrentrmware.......................................3
Upgradethermware............................................3
Technicalissues,cluesandsolutions................................4
Performanceconsiderations.......................................5
Contactsupport.................................................6
Specications..............................................7
Productoverview................................................7
SDcardslot....................................................8
Buttons.......................................................8
Connectors....................................................8
2

AXISP3925-LRENetworkCamera
Getstarted
Getstarted
Chooselens
Thereismorethanonelensoptionforyourcamera.Whichlenstochoosedependsonthesurveillancerequirements.Thelenseshave
differentcapabilitieswhenitcomestolightsensitivityandeldofview.Seetheproduct’sdatasheetforlensalternatives.
Findthedevieonthenetwork
TondAxisdevicesonthenetworkandassignthemIPaddressesinWindows®,useAXISIPUtilityorAXISDeviceManager.Both
applicationsarefreeandcanbedownloadedfromaxis.com/support.
FormoreinformationabouthowtondandassignIPaddresses,gotoHowtoassignanIPaddressandaccessyourdevice.
Browsersupport
Youcanusethedevicewiththefollowingbrowsers:
ChromeTMFirefox®Edge®Safari®
Windows®recommendedxx
macOS®recommendedx
Otheroperatingsystemsxx
Ifyouneedmoreinformationaboutrecommendedbrowsers,gotoaxis.com/browser-support.
Aessthedevie
1.OpenabrowserandentertheIPaddressorhostnameoftheAxisdevice.
IfyoudonotknowtheIPaddress,useAXISIPUtilityorAXISDeviceManagertondthedeviceonthenetwork.
.Entertheusernameandpassword.Ifyouaccessthedeviceforthersttime,youmustsettherootpassword.SeeSeta
newpasswordfortherootaccountonpage3.
3.Theliveviewpageopensinyourbrowser.
Verifythatnoonehastamperedwiththermware
TomakesurethatthedevicehasitsoriginalAxisrmware,ortotakefullcontrolofthedeviceafterasecurityattack:
1.Resettofactorydefaultsettings.SeeResettofactorydefaultsettingsonpage3.
Afterthereset,securebootguaranteesthestateofthedevice.
.Congureandinstallthedevice.
Setanewpasswordfortherootaount
Important
Thedefaultadministratorusernameisroot.Ifthepasswordforrootislost,resetthedevicetofactorydefaultsettings.
3

AXISP3925-LRENetworkCamera
Getstarted
Towatchthisvideo,gotothewebversionofthisdocument.
www.axis.com/products/online-manual/66917
Supporttip:Passwordsecurityconrmationcheck
1.Typeapassword.Followtheinstructionsaboutsecurepasswords.SeeSecurepasswordsonpage4.
.Retypethepasswordtoconrmthespelling.
3.ClickCreatelogin.Thepasswordhasnowbeencongured.
Seurepasswords
Important
Axisdevicessendtheinitiallysetpasswordincleartextoverthenetwork.Toprotectyourdeviceaftertherstlogin,set
upasecureandencryptedHTTPSconnectionandthenchangethepassword.
Thedevicepasswordistheprimaryprotectionforyourdataandservices.Axisdevicesdonotimposeapasswordpolicyasthey
maybeusedinvarioustypesofinstallations.
Toprotectyourdatawestronglyrecommendthatyou:
•Useapasswordwithatleast8characters,preferablycreatedbyapasswordgenerator.
•Don’texposethepassword.
•Changethepasswordatarecurringinterval,atleastonceayear.
4

AXISP3925-LRENetworkCamera
Getstarted
Webpageoverview
1Liveviewcontrolbar
Liveview
3Productname
4Userinformation,colorthemes,andhelp
5Videocontrolbar
6Settingstoggle
5

AXISP3925-LRENetworkCamera
Getstarted
7Settingstabs
6

AXISP3925-LRENetworkCamera
Additionalsettings
Additionalsettings
Adjusttheimage
Thissectionincludesinstructionsabouthowtocongureyourdevice.Ifyouwanttolearnmoreabouthowcertainfeatures
function,gotoLearnmoreonpage19.
Leveltheamera
Toadjusttheviewinrelationtoareferenceareaorobject,usethelevelingguideincombinationwithamechanicaladjustment
ofthecamera.
1.GotoSettings>System>Orientationandclick.
.Adjustthecameramechanicallyuntilthepositionofthereferenceareaorobject,isalignedwiththelevelingguide.
Seletseneprole
Asceneproleisasetofpredenedimageappearancesettingsincludingcolorlevel,brightness,sharpness,contrastandlocal
contrast.Sceneprolesarepreconguredintheproductforquicksetuptoaspecicscenario,forexampleForensicwhichis
optimizedforsurveillanceconditions.Foradescriptionofeachavailablesetting,gotothehelpmenuandclickHelp.
Youcanselectasceneproleduringtheinitialsetupofthecamera.Youcanalsoselectorchangesceneprolelater.
1.GotoSettings>System.
.GotoPlaincong>magesourceandselectasceneprole.
3.ClickSave.
Redueimageproessingtimewithlowlatenymode
Youcanoptimizetheimageprocessingtimeofyourlivestreambyturningonlowlatencymode.Thelatencyinyourlivestreamis
reducedtoaminimum.
1.GotoSettings>System.
.GotoPlaincong>magesource.
3.GotoLowlatencymodeandselectOn.
4.ClickSave.
Seletexposuremode
Therearedifferentexposuremodeoptionsinthecamerathatadjustsaperture,shutterspeed,andgaintoimproveimagequalityfor
specicsurveillancescenes.GotoSettings>mage>Exposureandselectbetweenthefollowingexposuremodes:
•Formostusecases,selectAutomaticexposure.
•Forenvironmentswithcertainarticiallighting,forexampleuorescentlighting,selectFlicker-free.
Selectthesamefrequencyasthepowerlinefrequency.
•Forenvironmentswithcertainarticiallightandbrightlight,forexampleoutdoorswithuorescentlightingatnightand
sunduringdaytime,selectFlicker-reduced.
Selectthesamefrequencyasthepowerlinefrequency.
7

AXISP3925-LRENetworkCamera
Additionalsettings
•Tolockthecurrentexposuresettings,selectHoldcurrent.
OptimizeIRillumination
Inmostcases,theexposureoftheimageisautomaticallyadjustedtoobtainoptimalimagequality.Ifthecameraisplacedclosetoa
walloracorner,itcansometimesresultinsaturationofpartsoftheimage.Whenthishappens,theLED’sclosesttothewallor
cornerareautomaticallydimmedtoavoidsaturatingtheimage.
Dependingontheinstallationenvironmentandtheconditionsaroundthecamera,forexampleexternallightsourcesinthescene,
youcansometimesimprovetheIRilluminationifyoumanuallyadjusttheintensityoftheLED’s.
1.GotoSettings>mage>Dayandnight,andturnonAllowillumination.
.TurnonLiveviewcontrol.
3.MinimizeSettings.
4.Intheliveviewcontrolbar,clickthelluminationbutton,turnonRlightandselectManual.
5.Adjusttheintensity.
BenetfromIRlightinlow-lightonditionsusingnightmode
Yourcamerausesvisiblelighttodelivercolorimagesduringtheday.Astheavailablelightdiminishes,youcansetthecamerato
automaticallyshifttonightmode,inwhichthecamerausesbothvisiblelightandnear-infraredlighttodeliverblack-and-white
images.Sincethecamerausesmoreoftheavailablelightitcandeliverbrighter,moredetailed,images.
1.GotoSettings>mage>Dayandnight,andmakesurethattheRcutlterissettoAuto.
.Todetermineatwhatlightlevelyouwantthecameratoshifttonightmode,movetheThresholdslidertowardBright
orDark.
Note
Ifyousettheshifttonightmodetooccurwhenit’sbrighter,theimageremainssharperastherewillbelesslow-light
noise.Ifyousettheshifttooccurwhenit’sdarker,theimagecolorsaremaintainedforlonger,buttherewillbemore
imageblurduetolow-lightnoise.
Reduenoiseinlow-lightonditions
Toreducenoiseinlow-lightconditions,youcanadjustoneormoreofthefollowingsettings:
•Adjustthetrade-offbetweennoiseandmotionblur.GotoSettings>mage>ExposureandmovetheBlur-noise
trade-offslidertowardLownoise.
•Settheexposuremodetoautomatic.
Note
Ahighmaxshuttervaluecanresultinmotionblur.
•Toslowdowntheshutterspeed,setmaxshuttertothehighestpossiblevalue.
•Reducesharpnessintheimage.
Note
Whenyoureducethemaxgain,theimagecanbecomedarker.
•Setthemaxgaintoalowervalue.
•Opentheaperture.
8

AXISP3925-LRENetworkCamera
Additionalsettings
Reduemotionblurinlow-lightonditions
Toreducemotionblurinlow-lightconditions,adjustoneormoreofthefollowingsettingsinSettings>mage>Exposure:
•MovetheBlur-noisetrade-offslidertowardLowmotionblur.
Note
Whenyouincreasethegain,imagenoisealsoincreases.
•SetMaxshuttertoashortertime,andMaxgaintoahighervalue.
Ifyoustillhaveproblemswithmotionblur:
•Increasethelightlevelinthescene.
•Mountthecamerasothatobjectsmovetowarditorawayfromitratherthansideways.
Note
Ifyouusealenswithalargeraperture,thedepthofeldgetsshallower.
•Changetoalenswithalargeraperture.
Handleseneswithstrongbaklight
Dynamicrangeisthedifferenceinlightlevelsinanimage.Insomecasesthedifferencebetweenthedarkestandthebrightest
areascanbesignicant.Theresultisoftenanimagewhereeitherthedarkorthebrightareasarevisible.Widedynamicrange
(WDR)makesbothdarkandbrightareasoftheimagevisible.
ImagewithoutWDR.
ImagewithWDR.
Note
•WDRcancauseartifactsintheimage.
•WDRmaynotbeavailableforallcapturemodes.
9

AXISP3925-LRENetworkCamera
Additionalsettings
1.GotoSettings>mage>Widedynamicrange.
.TurnonWDR.
3.UsetheLocalcontrastslidertoadjusttheamountofWDR.
4.UsetheTonemappingslidertoadjusttheamountofWDR.
5.Ifyoustillhaveproblems,gotoExposureandadjusttheExposurezonetocovertheareaofinterest.
FindoutmoreaboutWDRandhowtouseitataxis.com/web-articles/wdr.
StabilizeashakyimagewithEletroniImageStabilization(EIS)
ElectronicImageStabilization(EIS)canbeusedinenvironmentswheretheproductismountedinanexposedlocationandsubjectto
vibrations,forexample,windorpassingtrafc.TurnonEIStogetasmootherandsteadierimagewithoutblur.
EISalsoreducesthelesizeofthecompressedimageandlowersthebitrateofthevideostream.
Note
WhenEISisturnedontheimageiscroppedslightly,loweringthemaximumresolution.
1.GotoSettings>mage>magecorrection.
.TurnonEIS.
Monitorlongandnarrowareas
Usecorridorformattobetterutilizethefulleldofviewinalongandnarrowarea,forexampleastaircase,hallway,road,ortunnel.
1.Dependingonyourdevice,turnthecameraorthe3-axislensinthecamera90°or70°.
.Ifthedevicedoesn’thaveautomaticrotationoftheview,logintothewebpageandgotoSettings>System>Orientation.
3.Click.
4.Rotatetheview90°or70°.
Findoutmoreataxis.com/axis-corridor-format.
Improvelienseplatereognition
Tobetterrecognizethelicenseplateofacarpassingbythecamera,youcanapplyandadjustanumberofthings.
Oneoptionistousethepixelcounterinyourcameratosettheoptimalpixelresolution:
10

AXISP3925-LRENetworkCamera
Additionalsettings
1.GotoSettings>System>Orientationandclick.
.Adjustthesizeandplacementoftherectangleinthecamera’sliveviewaroundtheareaofinterest,forexample
wherethelicenseplatesofpassingcarsareexpectedtoappear.Youcanthenseethenumberofpixelsrepresentedby
thesidesoftherectangle.
Note
Youcanuseanobjectofaknownsizeintheviewasareferencetodecidehowmuchresolutionisneededforrecognition.
Inaddition,youcantrytoadjustthefollowingtooptimizelicenseplaterecognition:
•Shutterspeed
•Gain
•Zoom
Hidepartsoftheimagewithprivaymasks
Youcancreateoneorseveralprivacymaskstohidepartsoftheimage.
Towatchthisvideo,gotothewebversionofthisdocument.
www.axis.com/products/online-manual/66917
Howtocreateaprivacymask
1.GotoSettings>Privacymask.
.ClickNew.
3.Adjustthesize,color,andnameoftheprivacymaskaccordingtoyourneeds.
Towatchthisvideo,gotothewebversionofthisdocument.
www.axis.com/products/online-manual/66917
Howtochangetheappearanceofthemask
Showanimageoverlay
Toaddanimageasanoverlayinthevideostream:
1.GotoSettings>Overlay.
.Clickmagelist.
11

AXISP3925-LRENetworkCamera
Additionalsettings
3.UploadanimageandclickDone.
4.ClickCreateoverlay.
5.SelectmageandclickCreate.
6.SelectmageandclickOk.
7.Selectmportanduploadanimage.
8.Selecttheimagefromthedrop-downlist.
9.Topositiontheimageoverlay,chooseCustomoroneofthepresets.
10.ClickCreate.
Viewandreordvideo
Thissectionincludesinstructionsabouthowtocongureyourdevice.Tolearnmoreabouthowstreamingandstorageworks,goto
Streamingandstorageonpage0.
Reduebandwidthandstorage
Important
Ifyoureducethebandwidthitcanresultinlossofdetailsinthepicture.
1.GotoliveviewandselectH.264.
.GotoSettings>Stream.
3.Dooneormoreofthefollowing:
Note
ThezipstreamsettingsareusedforbothH.64andH.65.
-TurnondynamicGOPandsetahighGOPlengthvalue.
-Increasethecompression.
-TurnondynamicFPS.
Note
WebbrowsersdonotsupportH.65decoding.UseavideomanagementsystemorapplicationsupportingH.65decoding.
Setupnetworkstorage
Tostorerecordingsonthenetwork,youneedtosetupnetworkstorage:
1.GotoSettings>System>Storage.
.ClickSetupunderNetworkstorage.
3.EntertheIPaddressofthehostserver.
4.Enterthenameofthesharedlocationonthehostserver.
5.Movetheswitchifthesharerequiresalogin,andenterusernameandpassword.
6.ClickConnect.
12

AXISP3925-LRENetworkCamera
Additionalsettings
Reordandwathvideo
Torecordvideoyoumustrstsetupnetworkstorage,seeSetupnetworkstorageonpage1,orhaveanSDcardinstalled.
Recordvideo
1.Gototheliveview.
.Tostartarecording,clickRecord.Clickagaintostoptherecording.
Watchvideo
1.ClickStorage>Gotorecordings.
.Selectyourrecordinginthelistanditwillplayautomatically.
Setuprulesandalerts
Youcancreaterulestomakeyourdeviceperformanactionwhencertaineventsoccur.Aruleconsistsofconditionsandactions.
Theconditionscanbeusedtotriggertheactions.Forexample,thedevicecanstartarecordingorsendanemailwhenitdetects
motion,orshowanoverlaytextwhilethedeviceisrecording.
Triggeranation
1.GotoSettings>System>Eventstosetuparule.Theruledeneswhenthedevicewillperformcertainactions.Rules
canbesetupasscheduled,recurring,orforexample,triggeredbymotiondetection.
.SelecttheConditionthatmustbemettotriggertheaction.Ifyouspecifymorethanoneconditionfortherule,allofthe
conditionsmustbemettotriggertheaction.
3.SelectwhichActionthedeviceshouldperformwhentheconditionsaremet.
Note
Ifyoumakechangestoanactiverule,youhavetorestarttheruleforthechangestotakeeffect.
Note
Ifyouchangethedenitionofastreamprolethatisusedinarule,youhavetotorestartalltherulesthatusethat
streamprole.
Reordvideowhentheameradetetsmotion
ThisexampleexplainshowtosetupthecameratostartrecordingtotheSDcardvesecondsbeforeitdetectsmotionandto
stoponeminuteafter.
Towatchthisvideo,gotothewebversionofthisdocument.
www.axis.com/products/online-manual/66917
Howtorecordavideostreamwhenthecameradetectsmotion
MakesurethatAXISVideoMotionDetectionisrunning:
1.GotoSettings>Apps>AXSVideoMotionDetection.
13

AXISP3925-LRENetworkCamera
Additionalsettings
.Starttheapplicationifitisnotalreadyrunning.
3.Makesureyouhavesetuptheapplicationaccordingtoyourneeds.Ifyouneedhelp,seethe
usermanualforAXISVideoMotionDetection4.
Createarule:
1.GotoSettings>System>Eventsandaddarule.
.Typeanamefortherule.
3.Inthelistofconditions,underApplication,selectAXSVideoMotionDetection(VMD).
4.Inthelistofactions,underRecordings,selectRecordvideowhiletheruleisactive.
5.Selectanexistingstreamproleorcreateanewone.
6.Settheprebuffertimeto5seconds.
7.Setthepostbuffertimeto60seconds.
8.Inthelistofstorageoptions,selectSDcard.
9.ClickSave.
Showatextoverlayinthevideostreamwhenthedeviedetetsmotion
Thisexampleexplainshowtodisplaythetext“Motiondetected”whenthedevicedetectsmotion.
Towatchthisvideo,gotothewebversionofthisdocument.
www.axis.com/products/online-manual/66917
Howtoshowtextoverlaywhenthecameradetectsmotion
MakesurethatAXISVideoMotionDetectionisrunning:
1.GotoSettings>Apps>AXSVideoMotionDetection.
.Starttheapplicationifitisnotalreadyrunning.
3.Makesureyouhavesetuptheapplicationaccordingtoyourneeds.
Addtheoverlaytext:
4.GotoSettings>Overlay.
5.SelectCreateoverlayandselectTextoverlay.
6.Enter#Dinthetexteld.
7.Choosetextsizeandappearance.
8.Topositionthetextoverlay,chooseCustomoroneofthepresets.
Createarule:
14

AXISP3925-LRENetworkCamera
Additionalsettings
9.GotoSystem>Events>Rulesandaddarule.
10.Typeanamefortherule.
11.Inthelistofconditions,selectAXISVideoMotionDetection.
1.Inthelistofactions,selectUseoverlaytext.
13.Selectaviewarea.
14.Type“Motiondetected”.
15.Settheduration.
16.ClickSave.
Note
Ifyouupdatetheoverlaytextitwillbeautomaticallyupdatedonallvideostreamsdynamically.
Direttheameratoapresetpositionwhentheameradetetsmotion
Thisexampleexplainshowtosetupthecameratogotoapresetpositionwhenitdetectsmotionintheimage.
MakesurethatAXISVideoMotionDetectionisrunning:
1.GotoSettings>Apps>AXSVideoMotionDetection.
.Starttheapplicationifitisnotalreadyrunning.
3.Makesureyouhavesetuptheapplicationaccordingtoyourneeds.Ifyouneedhelp,seethe
usermanualforAXISVideoMotionDetection4.
Addapresetposition:
GotoSettings>PTZandsetwhereyouwantthecameratobedirectedbycreatingapresetposition.
Createarule:
1.GotoSettings>System>Events>Rulesandaddarule.
.Typeanamefortherule.
3.Inthelistofconditions,selectavideomotiondetectionconditionunderApplication.
4.Fromthelistofactions,selectGotopresetposition.
5.Selectthepresetpositionyouwantthecameratogoto.
6.ClickSave.
Towatchthisvideo,gotothewebversionofthisdocument.
www.axis.com/products/online-manual/66917
15

AXISP3925-LRENetworkCamera
Additionalsettings
Reordvideowhentheameradetetsimpat
Shockdetectionallowsthecameratodetecttamperingcausedbyvibrationsorshock.Vibrationsduetotheenvironmentortoan
objectcantriggeranactiondependingontheshocksensitivityrange,whichcanbesetfrom0to100.Inthisscenario,someoneis
throwingrocksatthecameraafterhoursandyouwouldliketogetavideoclipoftheevent.
Turnonshockdetection:
1.GotoSettings>System>Detectors.
.Turnonshockdetection,andsetavaluefortheshocksensitivity.
Createarule:
1.GotoSettings>System>Eventsandaddarule.
.Typeanamefortherule.
3.Inthelistofconditions,underDevicestatus,selectShockdetected.
4.Click+toaddasecondcondition.
5.Inthelistofconditions,underScheduledandrecurring,selectScheduledevent.
6.Inthelistofschedules,selectAfterhours.
7.Inthelistofactions,underRecordings,selectRecordvideowhiletheruleisactive.
8.SelectaCamera.
9.Settheprebuffertimeto5seconds.
10.Setthepostbuffertimeto60seconds.
11.Selectwheretosavetherecordings.
1.ClickSave.
Providevisualindiationofanongoingevent
YouhavetheoptiontoconnecttheAXISI/OIndicationLEDtoyournetworkcamera.ThisLEDcanbeconguredtoturnonwhenever
certaineventsoccurinthecamera.Forexample,toletpeopleknowthatvideorecordingisinprogress.
Requiredhardware
•AXISI/OIndicationLED
•AnAxisnetworkvideocamera
Note
ForinstructionsonhowtoconnecttheAXISI/OIndicationLED,seetheinstallationguideprovidedwiththeproduct.
ThefollowingexampleshowshowtocongurearulethatturnsontheAXISI/OIndicationLEDtoindicatethatcameraisrecording.
1.GotoSettings>System>/OPorts.
.GotoSettings>System>Events.
3.Createanewrule.
4.SelecttheConditionthatmustbemettotriggerthecameratostartrecording.Itcan,forexample,beatimescheduleor
motiondetection.
5.Inthelistofactions,selectRecordvideo.Selectastreamproleorcreateanew.AlsosetthePrebufferandPostbuffer
asrequired.
16

AXISP3925-LRENetworkCamera
Additionalsettings
6.Savetherule.
7.CreateasecondruleandselectthesameConditionasintherstrule.
8.Inthelistofactions,selectToggle/Owhiletheruleisactive,andthenselecttheporttheAXISI/OIndicationLEDis
connectedto.SetthestatetoActive.
9.Savetherule.
OtherscenarioswhereAXISI/OIndicationLEDcanbeusedareforexample:
•ConguretheLEDtoturnonwhenthecamerastarts,toindicatethepresenceofthecamera.SelectSystemreadyas
acondition.
•ConguretheLEDtoturnonwhenlivestreamisactivetoindicatethatapersonoraprogramisaccessingastreamfrom
thecamera.SelectLivestreamaccessedasacondition.
Sendanemailautomatiallyifsomeonespraypaintsthelens
Towatchthisvideo,gotothewebversionofthisdocument.
www.axis.com/products/online-manual/66917
Howtosendanemailnoticationifsomeonespraypaintthelens
1.GotoSettings>System>Detectors.
.TurnonTriggerondarkimages.Thiswilltriggeranalarmifthelensissprayed,covered,orrenderedseverelyoutoffocus.
3.SetadurationforTriggerafter.Thevalueindicatesthetimethatmustpassbeforeanemailissent.
Createarule:
1.GotoSettings>System>Events>Rulesandaddarule.
.Typeanamefortherule.
3.Inthelistofconditions,selectTampering.
4.Inthelistofactions,selectSendnoticationtoemail.
5.SelectarecipientfromthelistorgotoRecipientstocreateanewrecipient.
Tocreateanewrecipient,click.Tocopyanexistingrecipient,click.
6.Typeasubjectandamessagefortheemail.
7.ClickSave.
17

AXISP3925-LRENetworkCamera
Cleaningrecommendations
Cleaningrecommendations
Youcancleanthisdevicewithdetergentandhigh-pressurewater.Maximumwatertemperatureis80°C(176°F).
1.Applydetergentwithacloth.
.Rinsethedeviceusingawaterhoseorhigh-pressurewater.
3.Wipedrywithacleancloth.
18

AXISP3925-LRENetworkCamera
Learnmore
Learnmore
Viewarea
Aviewareaisacroppedpartofthefullview.Youcanstreamandstoreviewareasinsteadofthefullviewtominimizebandwidth
andstorageneeds.IfyouenablePTZforaviewarea,youcanpan,tiltandzoomwithinit.Byusingviewareasyoucanremoveparts
ofthefullview,forexample,thesky.
Whenyousetupaviewarea,werecommendyoutosetthevideostreamresolutiontothesamesizeasorsmallerthantheviewarea
size.Ifyousetthevideostreamresolutionlargerthantheviewareasizeitimpliesdigitallyscaledupvideoaftersensorcapture,
whichrequiresmorebandwidthwithoutaddingimageinformation.
Capturemodes
Acapturemodeconsistsofaresolutionandthecorrespondingframerateavailableintheproduct.Thecapturemodesetting
affectsthecamera’seldofviewandaspectratio.
Thelowerresolutioncapturemodeiscroppedoutfromthehighestresolution.
bar
1/
0
1
mph
bar
1/
0
1
mph
1280x720p
1920x1080p
Theimageshowshowtheeldofviewandaspectratiocanchangebetweentwodifferentcapturemodes.
Whichcapturemodetochoosedependsontherequirementsofframerateandresolutionforthespecicsurveillancesetup.For
specicationsaboutavailablecapturemodes,seetheproduct’sdatasheetataxis.com.
Privaymasks
Aprivacymaskisauser-denedareathatpreventsusersfromviewingapartofthemonitoredarea.Inthevideostream,privacy
masksappearasblocksofsolidcolor.
Aprivacymaskisauser-denedareathatcoversapartofthemonitoredarea.Inthevideostream,privacymasksappeareitheras
blocksofsolidcolororwithamosaicpattern.
You’llseetheprivacymaskonallsnapshots,recordedvideo,andlivestreams.
YoucanusetheVAPIX®applicationprogramminginterface(API)toturnofftheprivacymasks.
Important
Ifyouusemultipleprivacymasksitmayaffecttheproduct’sperformance.
19

AXISP3925-LRENetworkCamera
Learnmore
Overlays
Overlaysaresuperimposedoverthevideostream.Theyareusedtoprovideextrainformationduringrecordings,suchasatimestamp,
orduringproductinstallationandconguration.Youcanaddeithertextoranimage.
Thevideostreamingindicatorisanothertypeofoverlay.Itshowsyouthattheliveviewvideostreamislive.
Streamingandstorage
Videoompressionformats
Decidewhichcompressionmethodtousebasedonyourviewingrequirements,andonthepropertiesofyournetwork.The
availableoptionsare:
MotionJPEG
MotionJPEG,orMJPEG,isadigitalvideosequencethatismadeupofaseriesofindividualJPEGimages.Theseimagesarethen
displayedandupdatedataratesufcienttocreateastreamthatshowsconstantlyupdatedmotion.Fortheviewertoperceivemotion
videotheratemustbeatleast16imageframespersecond.Fullmotionvideoisperceivedat30(NTSC)or5(PAL)framespersecond.
TheMotionJPEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequalityandaccesstoeveryimage
containedinthestream.
H.264orMPEG-4Part10/AVC
Note
H.64isalicensedtechnology.TheAxisproductincludesoneH.64viewingclientlicense.Toinstalladditionalunlicensed
copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
H.64can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan80%comparedtotheMotion
JPEGformatandbyasmuchas50%comparedtotheMPEG-4standard.Thismeansthatlessnetworkbandwidthandstoragespace
arerequiredforavideole.Orseenanotherway,highervideoqualitycanbeachievedforagivenbitrate.
H.265orMPEG-HPart2/HEVC
Note
H.65islicensedtechnology.TheAxisproductincludesoneH.65viewingclientlicense.Toinstalladditionalunlicensed
copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
HowdoImage,Stream,andStreamprolesettingsrelatetoeahother?
Themagetabcontainscamerasettingsthataffectallvideostreamsfromtheproduct.Ifyouchangesomethinginthistab,it
immediatelyaffectsallvideostreamsandrecordings.
TheStreamtabcontainssettingsforvideostreams.Yougetthesesettingsifyourequestavideostreamfromtheproductanddon’t
specifyforexampleresolution,orframerate.WhenyouchangethesettingsintheStreamtab,itdoesn’taffectongoingstreams,but
itwilltakeeffectwhenyoustartanewstream.
TheStreamprolessettingsoverridethesettingsfromtheStreamtab.Ifyourequestastreamwithaspecicstreamprole,the
streamcontainsthesettingsofthatprole.Ifyourequestastreamwithoutspecifyingastreamprole,orrequestastreamprole
thatdoesn'texistintheproduct,thestreamcontainsthesettingsfromtheStreamtab.
Bitrateontrol
Withbitratecontrol,youcanmanagethebandwidthconsumptionofyourvideostream.
Variablebitrate(VBR)
Withvariablebitrate,thebandwidthconsumptionvariesbasedonthelevelofactivityinthescene.Themoreactivityinthescene,
themorebandwidthyouneed.Youareguaranteedconstantimagequalitybutitrequiresstoragemargins.
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