
AXISM31Series
Setup
Imagequality
Selectexposuremode
Therearedifferentexposuremodeoptionsinthecamerathatadjustsaperture,shutterspeed,andgaintoimproveimagequalitfor
specicsurveillancescenes.GotoSettings>Image>xposureandselectbetweenthefollowingexposuremodes:
•Formostusecases,selectAutomaticexposure.
•Forenvironmentswithcertainarticiallighting,forexampleuorescentlighting,selectFlicker-free.
Selectthesamefrequencasthepowerlinefrequenc.
•Forenvironmentswithcertainarticiallightandbrightlight,forexampleoutdoorswithuorescentlightingatnightand
sunduringdatime,selectFlicker-reduced.
Selectthesamefrequencasthepowerlinefrequenc.
•Tolockthecurrentexposuresettings,selectHoldcurrent.
BeetfromIRlightilow-lightcoditiosusigightmode
Yourcamerausesvisiblelighttodelivercolorimagesduringtheda.Astheavailablelightdiminishes,oucansetthecamerato
automaticallshifttonightmode,inwhichthecamerausesbothvisiblelightandnear-infraredlighttodeliverblack-and-white
images.Sincethecamerausesmoreoftheavailablelightitcandeliverbrighter,moredetailed,images.
1.GotoSettings>Image>Dayandnight,andmakesurethattheIRcutlterissettoAuto.
2.Todetermineatwhatlightlevelouwantthecameratoshifttonightmode,movetheThresholdslidertowardBright
orDark.
3.EnableAllowIRilluminationandSynchronizeIRilluminationtousethecamera’sIRlightwhennightmodeisactivated.
Note
Ifousettheshifttooccurwhenit’sbrighter,theimageremainssharperastherewillbelesslow-lightnoise.Ifouset
theshifttooccurwhenit’sdarker,theimagecolorsaremaintainedforlonger,buttherewillbemoreimageblurdue
tolow-lightnoise.
Reduceoiseilow-lightcoditios
Toreducenoiseinlow-lightconditions,oucanadjustoneormoreofthefollowingsettings:
•Settheexposuremodetoautomatic.
Note
Ahighmaxshuttervaluecanresultinmotionblur.
•Toslowdowntheshutterspeed,setmaxshuttertothehighestpossiblevalue.
•Reducesharpnessintheimage.
Reducemotioblurilow-lightcoditios
Toreducemotionblurinlow-lightconditions,oucanadjustoneormoreofthefollowingsettings:
Note
Imagenoisewillincreaseifouincreasethegain.
•Increaseshutterspeedandgain.GotoSettings>Image>xposureandsetMaxshuttertoashortertime,andMaxgain
toahighervalue.
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