Axis P1468-XLE - Page 47

AXISP1468-XLEExplosion-ProtectedFixedCamera
Thedeviceinterface
Metadataproducersliststhechannelsusedbyappsandthemetadatatheyarestreamingfromthedevice.
Producer:Theappproducingthemetadata.
Channel:Thechannelusedbytheapp.Checktoenablethemetadatastream.Unchecktodisablethestreamforcompatibility
orresourcesmanagementreasons.
Detectors
Cameratampering
Thecameratamperingdetectorgeneratesanalarmwhenthescenechanges,forexamplebecausethelensiscovered,sprayed
orseverelyputoutoffocus,andthetimeinTriggerafterhaspassed.Thetamperingdetectoronlyactivateswhenthecamera
hasnotmovedforatleast10seconds.Duringthisperiodthedetectorsetsupascenemodeltouseasacomparisontodetect
tamperingincurrentimages.Forthescenemodeltobesetupproperly,makesurethatthecameraisinfocus,thelighting
conditionsarecorrect,andthecameradoesn’tpointatascenethatlackscontours,forexampleablankwall.Cameratampering
canbeusedasaconditiontotriggeractions.
Triggerafter:Entertheminimumtimethatthetamperingconditionsmustbeactivebeforethealarmtriggers.Thiscanhelp
preventfalsealarmsforknownconditionsthataffecttheimage.
Triggerondarkimages:Itisverydifculttogeneratealarmswhenthecameralensissprayed,sinceitisimpossibletodistinguish
thateventfromothersituationswheretheimageturnsdarkinasimilarway,forexamplewhenthelightingconditionschange.
Turnonthisparametertogeneratealarmsforallcaseswheretheimageturnsdark.Whenit’sturnedoff,thedevicedoesn’t
generateanyalarmwhentheimageturnsdark.
Note
Fordetectionoftamperingattemptsinstaticandnon-crowdedscenes.
Audiodetection
Thesesettingsareavailableforeachaudioinput.
Soundlevel:Adjustthesoundleveltoavaluefrom0–100,where0isthemostsensitiveand100theleastsensitive.Usethe
activityindicatorasaguidewhenyousetthesoundlevel.Whenyoucreateevents,youcanusethesoundlevelasacondition.
Youcanchoosetotriggeranactionifthesoundlevelrisesabove,fallsbeloworpassesthesetvalue.
Shockdetection
Shockdetector:Turnontogenerateanalarmifthedeviceishitbyanobjectorifitistamperedwith.
Sensitivitylevel:Movetheslidertoadjustthesensitivitylevelatwhichthedeviceshouldgenerateanalarm.Alowvalue
meansthatthedeviceonlygeneratesanalarmifthehitispowerful.Ahighvaluemeansthatthedevicegeneratesanalarm
evenwithmildtampering.
Accessories
Networkspeakerpairing
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