User guide

Defining Virtual Matrix General Settings

TheNextivaVirtualMatrixgeneralsettingsdefinethefollowingsettingsfor

CCTVkeyboardsandforcamerasthatareplayingvideoinacameratour.

Replay Durationisthelengthoftime(inseconds)thatvideowillrunwhena

usermakesarequestforplaybackvideofromaCCTVkeyboard.

Replay Delayistheamountoftime(inseconds),priortothecurrenttime

request,thatplaybackvideowillstart,ortheamountoftimetorewindthe

videobeforeplayingtherequestedvideosegment.Forexample,anoperatoris

monitoringlivevideo.Itisnow4:00PM.Thisoperatornoticessomethingof

interestandkeysinarequesttoreplaythevideo.Thevideowillreplaystarting

at3:50:00andrunto3:50:30PM—iftheadministratorismaintainingthe

defaultsettings,a30secondReplayDurationanda10minuteReplayDelay.

Default Dwell Timeisthedefaultamountoftime(inseconds)thateach

cameraplaysvideoinaCameraTour.Thedwelltimecanbechangedforeach

camerainthetour.Changingthisdefaultsettingdoesnotaffectthedwelltime

alreadysetonexistingtours.

Decoder Starve Modesetswhattodisplayonamonitorifthevideofeedis

unavailable.Choicesareacolorbar,ablackvideo,orthelastimage.

Alarm Queue Lengthsetsthenumberofalarmsthatcanbewaitingforan

availablemonitor.Theminimumcanbe1alarm;themaximum100.When

therearemorealarmsthanallowedinthequeue,thendependingonthe

displaymode,thealarmswillneverbeshownonthemonitor.Forexample:

Thereisonemonitor.Thereare2alarmsinthesystem.Alarm2isdisplayedon

themonitor,whileAlarm1isinthequeue.TheAlarmqueuelengthissetto1.A

newalarm,Alarm3comesin.Thedisplaymodeissettokeepthenewest

alarm,soAlarm2isputinthequeueandAlarm1isdeletedfromthequeue.If

alarm3and2areacknowledged,theywillbothberemovedfromthequeue

andthedisplay.However,Alarm1willneverbevisible.

► To define the virtual matrix general settings

1. ClickSystem Components>Virtual Matrix.

2. ClickGeneral Settingsinthetreeviewontheleft.

3. IntheReplay Durationbox,enterthenumberofsecondstorunrecorded

video,whenarequestissentfromaCCTVkeyboard.Thedefaultis600

seconds(tenminutes).

4. IntheReplay Delaybox,enterthenumberofseconds,priortothecurrent

time,torunplaybackvideo.Thissettingisapplicableonlytorequestssent

fromaCCTVkeyboards.Thedefaultis30seconds.

5. IntheDefault Dwell Timebox,enterthenumberofsecondstoplayvideo

fromeachcamerainacameratour.Thedefaultis10seconds.

Defining Virtual Matrix General Settings