Axis Q3708-PVE - Align the Channel Images; About Overlay Text

AXISQ3708-PVENetworkCamera
Video
shutterspeedlimitinnormallightconditions.Dependingonascenario,theshutterspeedlimitmayneedtobedened.Thisis
donethroughSystemOptions>Advanced>PlainCong.
LowLight-UsetheslidertosetthePrioritybetweenLowmotionblurandLownoise.Whenprioritizinglowmotionblur(slider
allthewaytotheright)thecamerawillautomaticallyincreasegainasbrightnessdecreases.Whenthegainreachestheset
maximumgainforlowlight,thecamerawilldecreaseshutterspeeduntilthesetmaximumshutterforlowlightisreached.
Thisisthedefaultprioritysettingforlowlight.
Day/Night
TheIRcutlterpreventsinfrared(IR)lightfromreachingtheimagesensor.Inpoorlightingconditions,forexampleatnight,orwhen
usinganexternalIRlamp,settheIRcutltertoOff.Thisincreaseslightsensitivityandallowstheproductto“see”infraredlight.The
imageisshowninblackandwhitewhentheIRcutlterisoff.
IfusingautomaticExposurecontrol,settheIRcutltertoAutotoautomaticallyswitchbetweenOnandOffaccordingtothe
lightingconditions.
TheDay/Nightshiftlevelbarhelpsdeterminewhenthecamerawillshiftfromdaymodetonightmode.Normally,thecamera
automaticallychangesmodefromdaytonightwhenverydark(level100intheslider).BysettingDay/Nightshiftleveltoa
lowervalue,thecamerawillchangetonightmodeearlier.
AligntheChannelImages
ThelensesintheAxisproductarealignedduringproduction.Howevernetuningoftheimagealignmentmayberequireddepending
on,forinstance,thedistanceswithinthescene.Alsoalargeroverlapbetweentheimageswillguaranteeacompletecoverageof
thewholescenetoalargerextent.
TosettheindividualimagealignmentforeachchannelgotoSetup>Video>CaptureAlignmentandusetheLEFT/RIGHTand
UP/DOWNbuttonsorenteravalueinpixelsdirectly.
Aboutoverlaytext
Anoverlaytextcandisplaythecurrentdateandtime,oratextstring.Whenusingatextstring,so-calledmodierscanbeusedto
displayinformationsuchasthenameofthecurrentweekormonth.
Itisalsopossibletodisplaytextwhenanactionruleistriggered,seeHowtoincludeoverlaytextinanactionruleonpage20.
Aboutoverlayimages
Anoverlayimageisastaticimagesuperimposedoverthevideostream.Theimage,forexampleacompanylogo,isrstuploadedto
theAxisproductandthenusedtoprovideextrainformationortomaskapartoftheimage.
Imagespecications:
•TheuploadedimageshouldbeaWindows24-bitBMPimagewithmaximum250colors.
•Theimagewidthandheight,inpixels,mustbeexactlydivisiblebyfour.
•Theimagecannotbelargerthanthemaximumimageresolution.
•Ifcombiningtextandimageoverlays,takeintoconsiderationthatthetextoverlayoccupies16or32pixelsinheight
(dependingontheresolution)andhasthesamewidthasthevideoimage.
Toalwayscoveraselectedpartofthemonitoredarea,useaprivacymask.SeePrivacyMaskonpage2
1.
Howtoincludeoverlaytextinanactionrule
1.GotoVideo>VideoStreamandselecttheImagetab.
2.UnderOverlaySettings,selectIncludetext.
20