User's Manual

FI-321 user manuals
27
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suchashubsorswitches.Makesurethepowerforalldevicesareconnectedand
workingproperly.
3.WhyNetworkCameraworklocally,buttheremotedoesnotwork?
This may be caused by the firewall protection , check network firewall with your
systemadministrator.Thefirewallmayneedtomakesomeconfigurationchanges,
in order to access to the network Camera externally from your local LAN,. For
more detailed information, please refer to the relevant sections of the Cameras
installedintherouterbackend.
EnsurethatthenetworkCameradoesnotconflictwithanyWebserverrunningin
yournetwork.
Thedefaultroutersettingmightbetheproblem.Makesurethattheroutersettings
configuredtoallowexternalaccessfromyourlocalLANnetworkCameras.
4.Whytheimagehassomeverticalwhiteline?
TheremaybetheCMOSsensorexposuretothehardlight(suchasdirectexposure
tosunlight
orahalogenlight)andoverload.TheCMOSsensorislocatedintherear
ofthelens,itsroleisthemeasurethelightsignalandconvertsittoadigital
format.Sothatthecomputerwillpresentthedigitalformattotheuserinthe
imageform.IftheCMOSsensorisinthebrightlightforalongtime,donottransfer
thenetworkCameratoadarkareaimmediately,soasnottodamagetheCMOS
sensor.
5.TheCamerahasblurredimage,howtosolveit?
IfthenetworkCameraworksindimplace,thevideoimagemaybecomeblurred.
AnotherpossibilityisthattheCameralensandCMOSsensorarenotingoodfocus,
pleasealigntheobject5metersawayfromthecamera,adjustthelensslowlyand
repeatedlybyhandadjusteduntiltheimagebetheclearest.
6.Theimagequalityispoor,howto
improve?
Determineyourcomputer'sdisplaypropertiessetatleastsixcolors.16or256
colorsmakestheimageappearjitterartifacts,itseemsthequalitywillbepoor.
NetworkCameraimagedisplayisnotconfiguredcorrectly.Configurationthrough
theWebManagementWebvideointerface,youcanadjusttheparametersto
improvethe
imagequality,theseparametersinclude:brightness,contrast,andcolor
saturation.
7.WhynoimagesontheWebbrowser?
TheActiveXmightnotenabled.IfyouareviewingthecameraviaInternet
Explorer,makesuretoenableActiveXintheInternetOptionsmenu.Youmayalso
needtomodifythebrowser'ssecuritysettingstoallowinstallationofActiveXplug.
IfyourInternetExplorerversionislessthan7.0,youneedtoupgradetoaWeb
browserinordertowatchthevideosentbythenetworkCamera.