Masterclock CLKTCD Series Manuel d'utilisateur télécharger pdf (Page 15)

CLKTCDSeriesUserManual–Rev.2.0.1Page15

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HandPosition

Thehandswillsetadjusttothetimecodereference,plusanytimezoneand/orDSToffsets.

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Ifforanyreasontheclockhandsbecomeslightlyoutofalignment,acalibrationsettingfunctionhas

beenprovidedinCLKTCD‐Setconfigurationutilityorusingthebuttonslocatedontheback.

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ThehandsoftheCLKTCDcannotbesetmanually.Donotattempttoopentheclocktoaccess

thehands.Thisactionwillvoidyourwarranty.Thisdevicehasnouserserviceableparts

inside.



TheCLKTCDseriescanbeconfiguredusingoneofthefollowingmethods:

• DIPSwitchesandbuttons.

• CLKTCD‐Set,USBConfigurationUtilityviatheUSBport.



Pleaserefertothe“Configuration”sectionofthisdocumentforadditionaldetailson

howtoadjustthesettings.



Iftheconfigurationsoftwareisusedtoconfiguretheclock,theDIPswitchsettingswill

beignoredorover‐ridden.Inordertorestoretheconfigurationmodetotheuseofthe

DIPswitches,theunitmustbeResettothefactorydefaultmode.



TimeZoneOffsets

AlltimecodeanalogclocksmaintaintimeasUTC.



Atimezoneoffsetorbiascanbeusedtoadjustthetimefordisplaypurposes.Abiascanbesetasa

positive(+)offsetindicatingthattheunitleadstheUTCtimeornegative(‐)offsetvalueindicatingthe

unitlagsbehindUTCtime.Anoffsetwitharesolutionofonehalfhour(viaDIPswitches)or1second

(viaCLKTCD‐Setconfigurationutility)canbeachieved.

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IfthetimecodeinputtotheADC‐A12C31isnotUTC,donotadjustthetimezoneand/or

DSToffset.



DaylightSavingTime

AnautomaticDSTsettingcanbeconfiguredseparatelyandinadditiontoatimezoneoffset.

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ForSMPTEtimecodes,datemustbeencodedtotheLeitchspecification.IRIG‐Bdatedecodingis

supportedfortheIEEE1344standard.

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TheincomingtimecodemusthavethedateencodedinaformatrecognizedbytheCLKTCD

forDSTadjustmentstobeperformed.ForbestreliabilityMasterclockrecommendsatime

codereferencethatencodesfulldateinformation,suchastheMasterclockGPS200Atime

codegenerator.

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Masterclock CLKTCD Series Manuel d'utilisateur Page 15

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