Axis P1448-LE - Page 50

AXISP14NetworkCameraSeries
Thewebinterface
Analyticsmetadata
Metadataproducers
Metadataproducersliststheappsthatstreammetadataandthechannelstheyuse.
Producer:Theappthatproducesthemetadata.Belowtheappisalistofthetypesofmetadatatheappstreamsfromthedevice.
Channel:Thechannelthattheappuses.Checktoenablethemetadatastream.Unchecktodisablethestreamforcompatibility
orresourcesmanagementreasons.
Detectors
Cameratampering
Thecameratamperingdetectorgeneratesanalarmwhenthescenechanges,forexample,whenthelensiscovered,sprayed
orseverelyputoutoffocus,andthetimeinTriggerdelayhaspassed.Thetamperingdetectoronlyactivateswhenthecamera
hasnotmovedforatleast10seconds.Duringthisperiod,thedetectorsetsupascenemodeltouseasacomparisontodetect
tamperingincurrentimages.Forthescenemodeltobesetupproperly,makesurethatthecameraisinfocus,thelighting
conditionsarecorrect,andthecameradoesn’tpointatascenethatlackscontours,forexample,ablankwall.Cameratampering
canbeusedasaconditiontotriggeractions.
Triggerdelay:Entertheminimumtimethatthetamperingconditionsmustbeactivebeforethealarmtriggers.Thiscanhelp
preventfalsealarmsforknownconditionsthataffecttheimage.
Triggerondarkimages:Itisverydifculttogeneratealarmswhenthecameralensissprayed,sinceitisimpossibletodistinguish
thateventfromothersituationswheretheimageturnsdarkinasimilarway,forexample,whenthelightingconditionschange.
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
I/Oports
Usedigitalinputtoconnectexternaldevicesthatcantogglebetweenanopenandclosedcircuit,forexample,PIRsensors,door
orwindowcontacts,andglassbreakdetectors.
UsedigitaloutputtoconnectexternaldevicessuchasrelaysandLEDs.YoucanactivateconnecteddevicesthroughtheVAPIX®
ApplicationProgrammingInterfaceorthewebinterface.
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