Axis V5925 - How to Choose Audio Input Type

AXISV5925PTZNetworkCamera
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Howtoactivateanapplicationlicencecodeonadevice
Autotracking
Withautotracking,thecameraautomaticallyzoomsinonandtracksmovingobjects,forexampleavehicleoraperson.Youcan
manuallyselectanobjecttotrack,orsetuptriggerareasandletthecameradetectmovingobjects.Theapplicationisbestsuitedfor
openareaswithnoobscuringobjectsandwheremovementisunusual.Whenthecameradoesn'ttrackanobject,itreturnstoits
connectedpresetposition.
Important
•Autotrackingisdesignedforareaswithalimitedamountofmovement.
Howtochooseaudioinputtype
Unbalancedinputsarethemostcommonlyusedastheyareaffordable,easilyavailableandcompatiblewithmostinputsthanksto
the3.5mmconnector.UsetheUnbalancedlineinputforsignalscomingfromamediaplayerorcomputer.
However,someconsiderationsneedtobemadewheninstallationsrequirealongercablebetweenthesourceandthecamera,orif
thereisinterferencefromexternalsources.Thisisbecausethecablescanactlikeanantennaandpickupunwantednoiseand
interferencefromexternalsourcessuchaspowercablesorevenwirelessdevices.Alwaysmakesurethatyourunbalancedcableisno
longerthanitneedstobe,andplanthecableruncarefully.Forexample,donotrunthemparalleltoothercables,especiallypower
cables.Thisisespeciallytrueforunbalancedmicrophonesasallmicrophonelevelinputsneedtobeampliedconsiderably,resulting
intheamplicationoftheunwantednoiseandinterference.Mostsmallunbalanced(electrettype)microphonesrequireasmall
voltagetopowerthem.Inthiscase,selectthePoweredunbalancedmicrophoneoption.
Whenlongercablerunsarerequired,andifyourequipmentateachendiscompatible,usinganXLRinputwithabalancedcableis
highlyrecommended.Apartfromallowingtheuseofmorespecializedmicrophones,thisprofessionalsystemrejectsoutside
interference,allowingformuchlongercableruns.SelecttheBalancedmicrophoneinputwhenusingdynamictypemicrophones.If
youareusingacondensertypemicrophone,theywilltypicallyrequirea48Vphantompowersupply.Thiscanbeprovidedbythe
camerathroughtheXLRconnectorwhenPhantom-poweredbalancedmicrophoneisselected.
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