Axis Q3517-SLVE - Page 12

AXISQ3517-SLVENetworkCamera
Setup
HowtobenetfromIRlightinlow-lightconditionsusingnightmode
Yourcamerausesvisiblelighttodelivercolorimagesduringtheday.Aslightdiminishes,youcansetthecameratoautomatically
shifttonightmode.Innightmodethecamerausesbothvisiblelightandnear-infraredlighttodeliverblack-and-whiteimages.
Sincethecamerausesmoreoftheavailablelightitcandeliverbrighter,moredetailed,images.
1.GotoSettings>Image>Dayandnight,andmakesurethattheIRcutlterissettoAuto.
Howtoselectexposuremode
Therearedifferentexposuremodeoptionsinthecamerathatadjustsaperture,shutterspeed,andgaintoimproveimagequalityfor
specicsurveillancescenes.GotoSettings>Image>Exposureandselectbetweenthefollowingexposuremodes:
•Formostusecases,selectAutomaticexposure.
•Forenvironmentswithcertainarticiallighting,forexampleuorescentlighting,selectFlicker-free.
Selectthesamefrequencyasthepowerlinefrequency.
•Forenvironmentswithcertainarticiallightandbrightlight,forexampleoutdoorswithuorescentlightingatnightand
sunduringdaytime,selectFlicker-reduced.
Selectthesamefrequencyasthepowerlinefrequency.
•Tolockthecurrentexposuresettings,selectHoldcurrent.
HowtostabilizeashakyimagewithElectronicImageStabilization(EIS)
EIScanbeusedinenvironmentswheretheproductismountedinanexposedlocationandsubjecttovibrations,forexample,wind
orpassingtrafc.TurnonEIStogetasmootherandsteadierimagewithoutblur.
EISalsoreducesthelesizeofthecompressedimageandlowersthebitrateofthevideostream.
Note
WhenEISisturnedontheimageiscroppedslightly,loweringthemaximumresolution.
1.GotoSettings>Image.
2.TurnonEIS.
Howtohandlesceneswithstrongbacklight
Dynamicrangeisthedifferenceinlightlevelsinanimage.Insomecasesthedifferencebetweenthedarkestandthebrightest
areascanbesignicant.Theresultisoftenanimagewhereeitherthedarkorthebrightareasarevisible.Widedynamicrange
(WDR)makesbothdarkandbrightareasoftheimagevisible.
1.GotoSettings>Image.
2.TurnonWDRunderWidedynamicrange.
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