Seiko 3B51 - Environments in Which It Is Diffi Cult to Receive a Radio Signal; How to Check the Reception Status; How to Display the Reception Result

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HowtoSettheTime(RadioSignalReception)
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Ifreceptionhasfailed:TheSecondHandpointstoN.
・ Placethewatchinaplacewhereitcaneasilyreceivearadiosignal,orchangeitsdirection.
Evenwithintheradiosignalreceptionrange,thiswatchmayfailtoreceivearadiosignaldependingon
thecondition
(duetotheinfluenceofweather,geographicalfeatures,buildings,ordirection).→ Environments
inwhichitisDifficulttoReceiveaRadioSignalonpage94.
Outsideoftheradiosignal receptionrange,this watchcannotreceive aradiosignal →Radio Signal
ReceptionRangeonpage92
・SetthewatchtothetimezonetoTokyo(Japan).
IfthetimezoneissettoaregionotherthanTokyo(Japan),thewatchwillbeunabletoreceivea
radiosignal.CheckthatthetimezoneissettoTokyo(Japan).
→HowtoSettheTimeZoneonpage104
・
AttempttoreceiveaRadioSignalinadifferenttimeperiod(Inthecaseofmanualreception).
Receivingenvironments differaccordingtotime periodsevenatthesameplace.Duetoradio
signalcharacteristics,thewatchisabletoeasilyreceiveradiosignalsduringnighttimehours.
・ Ifthewatchisusedinregionsorplaceswhereitisunabletoreceivearadiosignal,orifnosuccessful
receptioncanbemadeevenwhenfollowingtheaboveprocedures,setthetimeanddatemanually.
→HowtoManuallySettheTimeonpage128
・
Aradiosignalhasbeenreceivedsuccessfully.Usethewatchwithoutanyadjustments.

※  Whenthewatchisnotdisplayingtheprecisetimeevenaftersuccessfully receivingaradio
signal→Inthiscase,refertoAtTrouble:MisalignmentoftheTimeandHandsonpage138.
Ifareceptionwassuccessful:ThesecondhandpointstoY
Thesecondhandindicatesthelatestreceptionresults(Yes/No)ofaradiosignalforfiveseconds.
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※ IftheButtonispressedafterfivesecondshaveelapsedorwhilethesecondhandismovingtodisplaythereception
results,thereceptionresultsdisplayfunctioniscancelledandthewatchreturnstotheTIMEdisplaymode.
■HowtoDisplaytheReceptionResults
PresstheButtononceand
thenreleaseit.
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HOWTOCHECKTHERECEPTIONSTATUS
※WhentheButtoniskeptpressed,thewatch
startsmanualreception.
Press
theButtononce
andthen
releaseit.
Ifareceptionwassuccessful:
ThesecondhandpointstoY
(Yes:the10-
secondposition)
Ifareceptionhas failed: The
secondhandpointstoN
(No:the20-second
position)
※Topressthe
Button,usean
objectwitha
longtaperedtip.
page86
HowtoSettheTime(RadioSignalReception)
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 Thesecondhandindicatesthereceptionresults.
Checkifthereceptionwassuccessful
(withinfiveseconds.)
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・The watch may displaythewrongtimeifitfails to receive radiosignalsproperlybecauseofinterference.
Thewatchmayalso fail to receiveradiosignalsproperlydepending on the locationorradiowavereceiving
conditions.Inthiscase,movethewatchtoanotherplacewhereitcanreceiveradiosignals.
・When the watch isoutofreceptionrange,itsaccurate quartz movement (loss/gain: ± 15 seconds per
monthonaverage)willcontinuetokeepthetime.
・Thetimesignaltransmissionmaybestoppedduringmaintenanceofthefacilitiesofeachtransmittingstation
orbecauseofalightningstrike.Insuchacase,seeeachstation'swebsiteforfurtherinformationorcontact
SEIKOCUSTOMERSERVICECENTER.
・Websitesoftransmittingstations(asofJanuary2010)
NICT(JapanStandardTimeGroup)http://www.jjy.nict.go.jp/
CAUTION
HowtoSettheTime(RadioSignalReception)
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・Close tohome electrical
appliancessuchas TV's,
refrigeratorsorairconditioners
・Close toOA devisessuch
asmobilephones, personal
computersorfaxmachines
・Close tosteel desksorother
furnituremadeofmetal
・In placesgenerating
radiointerference,
suchasconstruction
sitesorplaceswith
heavytraffic.
・Close tooverhead
powerlines,TV
stations,traincables.
・Insideabuilding,betweentall
buildings,underground.
・Insideavehicle,train,orairplane
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EnvironmentsinwhichitisDifficulttoReceiveaRadioSignal
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Avoidputtingthewatch
insuchplaceswhenit
receivesradiosignals.
HowtoSettheTime(RadioSignalReception)
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