User manual

CLKTCDSeriesUserManual–Rev.2.0.1Page14
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OperatingEnvironment
TheCLKTCDclockcontainsasteppermotorandmicroprocessorcontrolelectronicsdesignedto
operateindoorsbetween0‐50°Cwith0‐90%relativehumidity.
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TheCLKTCDisnotwaterormoistureproof.Treatitasyouwouldanyotherdelicateelectronic
deviceanddonotexposeittowater,excessiveheatorphysicalabuse.
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Operation
Afterapplyingpower,theCLKTCDwillgothroughaninternalcheckout.UTC(UniversalCoordinated
Time)fromtheRTC(RealTimeClock)backupwillthenbedisplayedplusanyTimeZoneand/orDST
(DaylightSavingTime)offsets,untilatimecodesignalisacquired.Iftimecodeisnot“locked”,the
redstatusLEDwillbeonsoliduntiltimecodeisacquired.
StatusLED
TheredLEDontheCLKTCDclockface,locatedatthe6:00indicates;
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LEDSTATE STATUSINDICATION
Off Theclockacquiredvalidtimecodeandhassynchronizeditsinternal
RTCtothetimecodereference.Theinternalclocktimeisconsidered
accurate.Theclockhandsmaybeadjusting/correctingrapidlyeither
clockwiseorcounter‐clockwiseduringacorrection.
OnSolid Theclockisnotabletodecodethetimecodereferenceorthe
referenceisnotpresent.Timedisplayedonthefaceoftheclockis
baseduponinternalandTCXOandshouldnotbeconsidered
accurate.
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CorrectionBehavior
Thecorrectioncycleengageswhenthere’sachangetotheinternalRTCreferenceascomparedtothe
timecodereference.
1. WhileacquisitionofTimeCode.
• Initialstartup
• Afterlossofpower
• AfterlossofTimeCode
2. Changetotheclocksconfigurations.
• DIPswitchsettings
• CLKTCD‐Setconfigurationutility
• ResetDevice