User's Manual

AXISM2025-LENetworkCamera

Additionalsettings

Imagequality

Selectexposuremode

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.

BenetfromIRlightinlow-lightconditionsusingnightmode

Yourcamerausesvisiblelighttodelivercolorimagesduringtheday.Astheavailablelightdiminishes,youcansetthecamerato

automaticallyshifttonightmode,inwhichthecamerausesbothvisiblelightandnear-infraredlighttodeliverblack-and-white

images.Sincethecamerausesmoreoftheavailablelightitcandeliverbrighter,moredetailed,images.

1.GotoSettings>Image>Dayandnight,andmakesurethattheIRcutlterissettoAuto.

2.Todetermineatwhatlightlevelyouwantthecameratoshifttonightmode,movetheThresholdslidertowardBright

orDark.

3.EnableAllowIRilluminationandSynchronizeIRilluminationtousethecamera’sIRlightwhennightmodeisactivated.

Note

Ifyousettheshifttooccurwhenit’sbrighter,theimageremainssharperastherewillbelesslow-lightnoise.Ifyouset

theshifttooccurwhenit’sdarker,theimagecolorsaremaintainedforlonger,buttherewillbemoreimageblurdue

tolow-lightnoise.

Reducenoiseinlow-lightconditions

Toreducenoiseinlow-lightconditions,youcanadjustoneormoreofthefollowingsettings:

•Settheexposuremodetoautomatic.

Note

Ahighmaxshuttervaluecanresultinmotionblur.

•Toslowdowntheshutterspeed,setmaxshuttertothehighestpossiblevalue.

•Reducesharpnessintheimage.

Handlesceneswithstrongbacklight

Dynamicrangeisthedifferenceinlightlevelsinanimage.Insomecasesthedifferencebetweenthedarkestandthebrightest

areascanbesignicant.Theresultisoftenanimagewhereeitherthedarkorthebrightareasarevisible.Widedynamicrange

(WDR)makesbothdarkandbrightareasoftheimagevisible.

1.GotoSettings>Image>Widedynamicrange.

2.Ifrequired,turnonWDR.

3.UsetheContrastslidertoadjusttheamountofWDR.