Axis D2110-VE - Page 28

AXISD2110-VESecurityRadar
Thedeviceinterface
Triggeronobjecttype:Selectwhichobjectsthatthescenarioshouldtriggeron.
Speedlimit:Youcanchoosetoonlytriggeronobjectsmovingatspeedswithinaspecicinterval.YoucanalsoInverttheinterval,
sothatobjectsmovingwithinthatintervalareignored,butthescenariotriggersonspeedsoutsidetheinterval.
Mapcalibration
Usemapcalibrationtouploadandcalibrateareferencemap.Thiswillmakeiteasiertoseewhereobjectsmoveinthearea
coveredbytheradar.
Uploadmap:Selectthereferencemapyouwanttoupload.
Setradarpositiononmap:Specifythepositionoftheradaronthemap,addareferencepointstraightinfrontoftheradarand
typethedistancebetweentheradarandthereferencepoint.ClickCalibratetostartthecalibration.
Theresultofthecalibrationisareferencemapthatdisplaystheradarcoverageintheappropriatescale.
Stream
General
Resolution:Selecttheimageresolutionsuitableforthesurveillancescene.Ahigherresolutionincreasesbandwidthandstorage.
Framerate:Toavoidbandwidthproblemsonthenetworkorreducestoragesize,youcanlimittheframeratetoaxedamount.
Ifyouleavetheframerateatzero,theframerateiskeptatthehighestpossiblerateunderthecurrentconditions.Ahigher
frameraterequiresmorebandwidthandstoragecapacity.
Compression:Usetheslidertoadjusttheimagecompression.Highcompressionresultsinalowerbitrateandlowerimagequality.
Lowcompressionimprovestheimagequality,butusesmorebandwidthandstoragewhenyourecord.
Signedvideo
:Turnontoaddthesignedvideofeaturetothevideo.Signedvideoprotectsthevideofromtamperingby
addingcryptographicsignaturestothevideo.
H.26xencoding
P-frames:AP-frameisapredictedimagethatshowsonlythechangesintheimagefromthepreviousframe.Enterthedesired
numberofP-frames.Thehigherthenumber,thelessbandwidthisrequired.However,iftherearenetworkcongestion,therecould
beanoticeabledeteriorationinthevideoquality.
Bitratecontrol:
•Average:Selecttoautomaticallyadjustthebitrateoveralongertimeperiodandprovidethebestpossibleimage
qualitybasedontheavailablestorage.
-
Clicktocalculatethetargetbitratebasedonavailablestorage,retentiontime,andbitratelimit.
-Targetbitrate:Enterdesiredtargetbitrate.
-Retentiontime:Enterthenumberofdaystokeeptherecordings.
-Storage:Showstheestimatedstoragethatcanbeusedforthestream.
-Maximumbitrate:Turnontosetabitratelimit.
-Bitratelimit
:Enterabitratelimitthatishigherthanthetargetbitrate.
•Maximum:Selecttosetamaximuminstantbitrateofthestreambasedonyournetworkbandwidth.
-Maximum:Enterthemaximumbitrate.
•Variable:Selecttoallowthebitratetovarybasedonthelevelofactivityinthescene.Moreactivityrequiresmore
bandwidth.Werecommendthisoptionformostsituations.
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