Axis P37-PLE - Page 8

AXISP37–PLENetworkCameras
Setup
5.AdjustLEDintensity.
HowtobenetfromIRlightinlow-lightconditionsusingnightmode
Yourcamerausesvisiblelighttodelivercolorimagesduringtheday.Aslightdiminishes,youcansetthecameratoautomatically
shifttonightmode.Innightmodethecamerausesbothvisiblelightandnear-infraredlighttodeliverblack-and-whiteimages.
Sincethecamerausesmoreoftheavailablelightitcandeliverbrighter,moredetailed,images.
1.GotoSettings>Image>Dayandnight,andmakesurethattheIRcutlterissettoAuto.
2.Todetermineatwhatlightlevelyouwantthecameratoshifttonightmode,movetheThresholdslidertowardBright
orDark.
Note
Ifyousettheshifttooccurwhenit’sbrighter,theimageremainssharperastherewillbelesslow-lightnoise.Ifyou
settheshifttooccurwhenit’sdarker,theimagecolorsaremaintainedlongerbuttherewillbemoreimageblurdue
tolow-lightnoise.
3.EnableAllowIRilluminationandSynchronizeIRilluminationtousethecamera’sbuilt-inIRlightwhenthenight
modeisactivated.
Howtoreducenoiseinlow-lightconditions
Toreducenoiseinlow-lightconditions,youcanadjustoneormoreofthefollowingsettings:
•Makesurethattheexposuremodeisautomatic.
Note
Increasingthemaxshuttervaluecanresultinmotionblur.
•Theshutterspeedshouldbeasslowaspossible,whichmeansyoushouldsetmaxshuttertothehighestpossiblevalue.
•Reducesharpnessintheimage.
•Tryloweringthemaxgainvalue.
Howtohandlesceneswithstrongbacklight
Dynamicrangeisthedifferenceinlightlevelsinanimage.Insomecasesthedifferencebetweenthedarkestandthebrightest
areascanbesignicant.Theresultisoftenanimagewhereeitherthedarkorthebrightareasarevisible.Widedynamicrange
(WDR)makesbothdarkandbrightareasoftheimagevisible.
1.GotoSettings>Image.
2.UsetheLocalcontrastslidertoadjusttheamountofWDR.
ImagewithoutWDR.
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