Seiko ASTRON Installation guide

7X52 GPS SOLAR
基本操作マニュアル
Basic Manual
CSB7X52-1208
PrintedinJapan
日本語 1P
簡体中文 61P
English 31P
繁体中文 91P
7X52 GPS SOLAR
基本操作マニュアル
Basic Manual
CSB7X52-1208
PrintedinJapan

31
1READFIRST
English
１．READFIRST
Features………………………………………………………………………………………………………………………… 32
Thefollowingfunctionsareincluded…………………………………………………………………………………… 33
２．BEFOREUSE
Namesoftheparts…………………………………………………………………………………………………………… 34
Indicatorhanddisplayandreceptionresultdisplay………………………………………………………………… 35
Checkthechargingstatus………………………………………………………………………………………………… 36
Aboutcharging………………………………………………………………………………………………………………… 37
PlacewhereGPSsignalscanbeeasilyreceived/PlacewhereGPSsignalscannotbereceived …… 38
３．BASICOPERATION
TimeZoneAdjustment(Whentheregionortimezonewherethewatchisusedischanged) 39〜40
SetDaylightSavingTime(DST) ………………………………………………………………………………………… 41
In-flightmode( )(Whenboarding)……………………………………………………………………………………… 42
Manualtimezonesetting(Tosetthewatchtothelocaltimeofthedestinationinanairplane,etc.) …43
Manualtimeadjustment(Tosetonlythetime)……………………………………………………………… 44〜45
Automatictimeadjustment ……………………………………………………………………………………………… 46
Receptionresultdisplay …………………………………………………………………………………………………… 47
４．DETAILEDINFORMATION
Leapsecond(Automaticleapsecondreceptionfunction) ……………………………………………………… 48
５．INCASEOFANUNUSUALMOVEMENTOFTHESECONDHAND
Energydepletionforewarningfunction(secondhandmovementandwatchstate) …………………… 49
Powersavefunction ………………………………………………………………………………………………………… 50
６．TROUBLESHOOTING
WhenthewatchisunabletoreceiveGPSsignals ………………………………………………………………… 51
Manualtime/datesetting(AdjustthetimeunderaconditioninwhichthewatchisunabletoreceiveGPSsignals) …… 51〜53
Whenthetime/dateorindicatorhandpositionismisaligned…………………………………………… 54〜55
Incaseofanabnormalmovement(resettingthebuilt-inIC)…………………………………………… 57〜58
7．SPECIFICATIONS
Specifications ………………………………………………………………………………………………………………… 59
CONTENTS

32
1READFIRST
English
33
1READFIRST
English
Thefollowingfunctionsareincluded
ThisisaGPS*solarwatch.
Thiswatchhasthefollowingfeatures.
Features
＊ GPSisanabbreviationforGlobalPositioningSystem.
Thiswatch canbe setto the
preciselocal timeby justone
buttonoperation anywherein
theworld.
Thiswatchoperatesbysolar
charging.
Thiswatchautomatically
adjuststhetimeinaccordance
withactionpatternsduring
use.
Exposethe dialto lightto
chargethewatch.
Oncefullycharged,thewatch
runsfor approximatelysix
months.
Whentheenergystoredinthe
watchruns outcompletely, it
takestimetofullychargethe
watch,sopleasekeepinmind
tochargethewatchregularly.
→Howtochargethewatch P.37
→Standardchargingtime P.37
Whenthe watchhas sensed
sufficientbrightness under
anopen sky,it automatically
receivesGPSsignalsfromGPS
satellites.Thisfunctionenables
thewatch toautomatically
adjustthe timeprecisely even
whileyouareusingthewatch.
→ Automatictimeadjustment P.46
＊Thiswatchisunabletoreceive
GPSsignalswhentheenergy
storedinthewatchislow.
→
ChecktheChargingStatus P.36
Thiswatchquicklyadjuststhe
timeby receivingGPS signals
fromGPSsatellites.
Thiswatchrespondstoatotal
of39 timezones aroundthe
world.
Whenthe regionor timezone
wherethe watchis used
ischanged, pleasecarry
outoperation oftimezone
adjustment.
→Howtoadjustthetime P.40
※ Unlikenavigationequipment,thisGPSsolarwatchisnotdesignedtoconstantlyreceiveGPSsignalsfromGPSsatelliteswithout
anyoperation.ThiswatchreceivesGPSsignalsonlyinthetimezoneadjustmentmode,automaticormanualtimeadjustmentmode.
Thewatchdisplaystheprecisetimeofthetime
zonethat isset byoperation ofmanualtime
adjustment.
→Howtomanuallyadjustthetime P.45
→Checkthetimezonesetting P.40
TosetonlythetimeWhentheregionortimezonewherethewatch
isusedischanged
Adjustthetimezone.
Thewatchdisplaysthepreciselocaltime.
→Timezoneadjustment P.39
LosAngeles
7:00pmon6th London
1:00pmon7th

2BEFOREUSE
34
English
2BEFOREUSE
35
English
Namesoftheparts
※ Keepthecrownlockedwhile
youarewearingthewatch.
Crown
（Screwlocktype）
ButtonB
Sub-dial
Indicatorhand
Main-Dial
Date
Second
hand
ButtonC
ButtonA
Indicatorhanddisplayandreceptionresultdisplay
※ Position of eachdisplaymay
differdependingonthemodel
(design).
 Checkthereceptionresult →P.47
 Manualtimeadjustment →P. 4 4〜 4 5
 Timezoneadjustment →P.39〜40
 Automatictimeadjustment →P.46
 Receiveleapseconddata  →P.48
Checkthechargingstatus.→P.36
Howtochargethewatch→P.37
 CheckDaylightSavingTime(DST) →P.41
 SetDaylightSavingTime(DST)→ P.41
Hand
position F(full)
Levelposition 
(middle) E(low)
Display
Hand
position ON OFF
Display
Hand
position
In-flight
mode（ ）
status
Resetin-flight
mode（ ）
Display
In-flightmode（ ）→P.42
※ Itisdisplayedonly
whilethein-flight
modeisset.
Displayofchargingstatus
 Displayofin-flightmode ( )
 DisplayofDaylightSavingTime(DST)
Receiving
process
1(time
adjustment)
4+(timezone
adjustment)
Receivingleap
seconddata
Display
Y… Reception
successful

(12-secposition)
N… Reception
failed

(18-secposition)
【Checkingthe
receptionresult】
→P.47
Displayof
receptionresult
Displayofreceivingprocess
Hour
hand
Minute
hand
Continuedonthefollowingpage Continuedonthefollowingpage

2BEFOREUSE
36
English
2BEFOREUSE
37
English
Howtochargethewatch
Exposethedialtolighttochargethewatch.
Standard
ChargingTime
Foran approximatetime
requiredtochargethewatch,
refertothetableattheright.
GPSsignalreception
consumesalotofenergy.
Keepinmindtocharge
thewatchbyexposeto
lightsothattheindicator
handpointstothelevel
position(middle)orF
(full).(Ifthecharging
statusisdisplayedas
E(low),thereception
willnotstartevenwith
operationofGPSsignal
reception.) → Checkthe
chargingstatus. P.36
Aboutcharging
Reception
isallowed
Reception
isnot
allowed
Indicator
display
Charging
status Solution
F(full) Receptionis
allowed.
Level
position
(middle)
Receptionis
allowed,but
keepinmind
tocharge
thewatch.
Indicator
display
Movementofsecond
hand Chargingstatus Solutions
One-
second
interval
movement
E
(low)
Thewatchisunableto
receiveGPSsignals,but
hasenergytooperate.
Chargethewatchatleastuntil
theindicatorhandpointstothe
levelpositionsothatthewatch
isabletoreceiveGPSsignals.
Two-
second
interval
movement
Thewatchisunableto
receiveGPSsignals,and
doesnothaveenergy
tooperate.(Theenergy
depletionforewarning
functionisactivated.
→P.49）
Continuetochargethe
watchatleastuntilthe
indicatorhandpointstothe
levelpositionsothatthe
watchisabletocontinuously
operateandreceiveGPS
signals.
Five-
second
interval
movement
−
Thechargingstatusisnot
displayedforthein-flightmode
（ ）
Resetthein-flightmode
（）aslongaspossible.
→ Resetthein-flightmode
（ ） P.42
Whentheindicatorhand
pointstoE,chargethe
watchfollowingtheabove.
Checkthechargingstatus
TheindicatorhandpositionshowswhetherthiswatchisableorunabletoreceiveGPSsignals.
Inaddition,forthelowchargingstate,themovementofthesecondhandshowstheenergy
depletionstateinfurtherdetail.
＊GPSradiosignalreceptionrequiresalotofenergy.Keepinmindtoregularlychargethewatchbyexposetolight.
→ Aboutcharging P.37
Toensureoptimal
performance
ofthewatch,
makesurethat
thewatchis
keptsufficiently
chargedatall
time.
Underthefollowingsituations,theenergyofthewatchislikelyto
bedepleted,resultinginstoppageofthewatch.
・Thewatchisconcealedunderasleeve.
・Thewatchisusedorstoredunderconditionswhereitcannotbe
exposedtolightforalongtime.
※ Whenchargingthe watch, makesure that the watchis not heatedtoahigh
temperature.(Theoperationaltemperaturerangeisbetween-10℃and+60℃.)
※ Whenfirst using the watchorstarting to use thewatchafter it has stoppedbecauseof
theenergydepletion,sufficientlychargethewatchreferringtothetableonthepagebelow.
Thefigures ofTime required for chargingthe watch to startmoving at 1-sec intervalsare estimations oftime
requiredtocharge the stoppedwatch by exposing itto light until itmoves at steady1-sec intervals. Even ifthe
watchispartiallychargedforashorterperiod,thewatchwillresume1-secintervalmovement.However,itmayshortly
returnto2-secintervalmovement.Usethechargingtimeinthiscolumnasaroughguideforsufficientchargingtime.
※ Therequiredchargingtimeslightlyvariesdependingonthedesignand the
dialcolorofthewatch.
Illumination
lx(LUX)
Light
source
Condition
(Example)
Fromthestatewhere
thewatchisstopped(not
charged)
Inthestate
wherethehand
moves(thewatch
ischarged)
Tofully
charged
To1secInterval
movementis
secured
Tomovefor
1day
700
Fluorescentlight
Generaloffices − − 6.5h
3000
Fluorescentlight
30W20cm 530h 32h 1.4h
10,000 Sunlight
Fluorescentlight
Cloudyday
30W5cm
135h 5h 22min
100,000 Sunlight
Sunnyday(Under
thedirectsunlight
onasummerday)
65h 1.5h 6min
Continuedonthefollowingpage Continuedonthefollowingpage

2BEFOREUSE
38
English
3BASICOPERATION
39
English
・ Thesmaller the sky,themore
difficultitis to receiveGPS signals.
Inaddition,it will alsobe difficult
toreceiveGPS signals, ifthere is
somethingthatobstructs the GPS
signalsduringreception (in particular,
duringtimezoneadjustment).
Examples:
 ・Betweentallbuildings
 ・Nearwoodedarea
 ・Station/Airport
 ・Indoorswithwindows
 ※Radiosignals cannot
bereceiveddepending
onwindow glasstype.
Refertothe
 ×Cannotreceive.
Examples:
 ・Indoorswithoutwindows
 ・Underground
・
Duringpassageofatunnel
・Throughspecial glass
withthermal emission
shieldeffect,etc.
・
Closetoequipmentgenerating
noiseor performingwireless
communications
Difficulttoreceive
・Theskycannot be seen oronly
partoftheskycanbeseen.
・Thereis something hindering
thereception.
Cannotreceive
・Outdoorsunderanopensky
withgoodvisibility
Easytoreceive
Thereare places whereGPS signals canbe easily receivedandplaces where GPSsignals
cannotbereceived.
TimeZoneAdjustment（Whentheregionortimezonewherethewatchisusedischanged） PlacewhereGPSsignalscanbeeasilyreceived/PlacewhereGPSsignalscannotbereceived
Timezoneadjustment
Thetimezonewhereyouareislocalizedto adjustthe watch totheprecise
currenttimebyreceivingGPSsignals.
→Howtoadjustthetimezone P.40
※Failureorsuccessofreceptiondependsonthereceptionenvironment.→PlacewhereGPSsignalscanbe
easilyreceived/PlacewhereGPSsignalscannotbereceived P.38
※Evenwhenthereceptionissuccessful,DaylightSavingTime(DST)cannotbeautomaticallyset.
SetDSTmanually. →SetDaylightSavingTime(DST) P.41
※GPSsignalreceptionconsumesalotofenergy.
Keepinmindtoregularlychargethewatchbyexposetolightsothattheindicatorhandpointstothelevel
position(middle)orF(full).IfthechargingstatusisdisplayedasE(low),thereceptionwillnotstart
evenwithoperationofGPSsignalreception.
Precautionsontimezoneadjustment
Ifthetimezoneisadjustednearatimezoneboundary,thetimeoftheadjacenttime
zonemaybedisplayed.
Insomeareastheboundariesobservedbythewatchmaynotexactly correlateto
theactualtimezonemarkersontheland.
Thisdoesnotindicateamalfunction.
Inthiscase,setthetimezoneinthemanualtimezonesettingmode.
→Howtomanuallysetthetimezone P.43
Whenthetimezoneisadjustedwhiletravelingonland,avoidtimezoneboundaries
tocarry out time zone adjustment in the representative cities in the time zone
wheneverpossible.
Inaddition,whenthewatchisusedneartimezoneboundaries,makesuretocheck
thetimezonesetting,andmanuallysetthetimezoneasnecessary.
Continuedonthefollowingpage

3BASICOPERATION
40
English
3BASICOPERATION
41
English
Checkthetimezonesetting.
PressButton Conce andthen
releaseit
Checkthetimezonesetting(within5seconds)
Press
and
Release
[Example]Timezonesetting:+2hoursCAIRO
Thecurrently set timezone is
displayedfor5seconds.
※Tochangethe
timezonesetting
・
Whenyouareina
placewhereGPS
signalscanbe
easilyreceived 
 →
Howtoadjustthe
timezone
P.40
・ Whenyouareina
placewhereGPS
signalscannot
bereceived
 → Howtomanuallyset
thetimezone
P.43
※ Theindicator
handindicates
theON/
OFFsetting
ofDaylight
SavingTime
(DST).
Thesecondhandindicatesthecurrentlysettimezone.
※Bycontinuing to
pressButton C,
thewatchenters
operationof the
manualtimezone
setting.
※
 After5sechaveelapsedor
whenButtonA is pressed,
thewatchreturns to the
timedisplaymode.
Press
Howtoadjustthetimezone
ContinuetopressButtonB(6sec),andthenreleaseitwhenthesecondhandmovesto
the30-secposition.
1
Movetothe
outdoorsunderan
openskywithgood
visibilitywhere
GPSsignalscan
beeasilyreceived.
2
3
Whenthe second hand points toYor
N,receptioniscompleted.
Directthewatchfaceupwardandwait 4
Pressfor
6sec
※ Althoughthesecondhandmovesto
the0-secposition3secafterpressing
ButtonB,continuetopressit.
Checkthatthe reception issuccessful after the
watchreturnstothetimedisplaymode.
→Checkthatthereceptionwassuccessful P.35
Thereceptionresultisdisplayedfor5seconds.
Then,the hour and minute hands move, and the
timeanddateareadjusted.
Receptionresultdisplay Y:Successful N:Failed
Display
BPC
JJY
BPC
JJY
Whenthesecondhandhas
reachedthe30-secposition,
receptionisstarted.Theindicator
handpointsto4+.
※ Whilethe indicatorhandpointstoE
or receptionisnotstartedevenwith
operationforreception.
WhenthehandpointstoE,chargethe
watchbyexposetolight.
 Whenthehandpointsto resetthein-
flightmode（）.
 →Howtoresetin-flightmode（ ）P.42
It takesa maximum
of2mintocomplete
reception.
※ Itdependson the
receivingconditions.
<Displayduringreception>
Thesecondhand
indicatesease
ofreceiving(=
number ofGPS
satellitesfrom
whichGPSsignals
arereceived).
B
P
C
JJY
Mayreceive
E
a
s
y

t
o

r
e
c
e
i
v
e
C
a
n
n
o
t

r
e
c
e
i
v
e
3units
4units
5units
6units
・
・
・
・
・
・
2units
0units
※ Evenwhen
thehand
pointsto4
unitsormore,
reception
maynotbe
allowed.
※ Tocancelthe
reception,
pressButtonA.
※ Pleasenotethatitmay
bedifficulttoreceive
GPSsignalswhileyou
arein
motion.
1
2
Dependingonthearea,DaylightSavingTime(DST)isindividuallyset.
DaylightSavingTimemeanssummertime,whichisasystemtolengthen
daylight timeby advancing1hour when daylighttime is long in summer.Daylightsavingtimehas been adopted inabout 80
countries,mainlyinEuropeandNorthAmerica.Theadoptionanddurationofdaylightsavingtimevarydependingonthecountry.
※DaylightSavingTimeissubjecttochangeowingtocircumstancesofthecountryorregion.
DaylightSavingTime(DST)
PressButtonAonceandthenreleaseit CheckDaylightSavingTime(DST)setting(within5seconds)
Press
and
Release
Theindicatorhand
indicatesDaylight
SavingTime(DST)
setting.
[Example]
DSTsetting:
ON
DaylightSavingTime(DST)settingisdisplayedfor5seconds.
Press
CheckDaylightSavingTime(DST)setting
12
※After5 sechaveelapsed
or when Button A is
pressed, the watch
returnstothetimedisplay
mode.
TurnOFFDaylightSavingTime(DST)
Carryoutoperationof①to③inthestatewhereDaylightSavingTime(DST)settingisON.
Inoperationof②,adjusttheindicatorhandtotheOFFpositionasshowninthefigureat theright.
Thehourandminutehandsreturnbyonehour.
SetDaylightSavingTime(DST)
PressButtonA
ContinuetopressButtonC(3sec)
within5secafteroperationof①
Whenthe hourand minutehands stopmoving,
theDST settingmode isautomatically
completedafterapproximately5sec.
TurnONDaylightSavingTime(DST)
123
Thewatchreturnstothetimedisplaymode.
Theindicatorhandreturnstodisplaythechargingstatus.
Theindicatorhand
movestopointto
ON,
andthe
hour
and
minute
hands
advancebyonehour.
Theindicator
handmoves
toindicate
thecurrent
DSTsetting.
Press
Press
for
3sec
※ ON/OFFoftheDSTisnotautomaticallychangedoverevenwithoperationoftimezoneadjustment/manualtimezonesetting.Whentravelingtoa
regionwhereDaylightSavingTime(DST)isnotadoptedfromaregionwhereitisadopted,turnofftheDSTsetting.
<WhenDST
settingisOFF>
※ Thetimeatwhich thewatchreturnsto thetime displaymode
variesdependingonthepositionof
theindicatorhand.
※ Thewatchreturnstothetimedisplay
modeevenby pressingbuttonA
within5secafterthehourand
minutehandsstopmoving.
Press

3BASICOPERATION
42
English
3BASICOPERATION
43
English
Carryoutoperationof①to③.
In②,whentheindicatorhandpointsto●ONin
thefigureattheright,thein-flightmode( )canbe
reset.
＜ In-flightmode（ ）＞
Theindicatorhandpoints
to
※When the in-flightmode
（）isreset, the indicator
handindicatesthecharging
status.
Settothein-flightmode（ ）wherethereceptionmayinfluence
operationofotherelectronicsdevicesinanairplane,etc.
Inthe in-flightmode（ ）theGPS signal reception(time zone
adjustment,manual time adjustment,and automatic time
adjustment)doesnotwork.
In-flightmode( )(Whenboarding) Manualtimezonesetting(Tosetthewatchtothelocaltimeofthedestinationinanairplane,etc.)
In-flightmode（ ） Manualtimezonesetting
Howtomanuallysetthetimezone
Resetthein-flightmode（ ）
Whenthehourand
minutehandsstop
moving,pressButtonA
PressButtonBorButtonCtoadjustthesecondhand
tothetimezoneofthedestination
132
Thesecondhandstarts
moving.
※ Duringmovement of the
date,thebuttonsandcrown
cannotbeoperated.
Press
＜Displayoftheindicatorhand ＞
Displays ON/OFF setting of
DaylightSavingTime(DST).
※IfDaylight Saving Time
(DST)isnot correct,
changeoverON/OFF with
referencetoSetDaylight
SavingTime(DST) P.11
afteroperationof③.
※Ifthesecondhandisstoppedforoneminuteorlonger,thewatchwillautomaticallyreturntothetimedisplaymode.
clock
wise
counter
clock
wise
Press
for
3sec
Thesecondhand moves
todisplaythe currently
settimezone.
Whenthebuttonis pressed once,
thesecondhand moves tothe
nextzone.
※ Ifthetimeforpressingis
short,the watch willenter
operationfor checking
thetimezonesetting,so
makecertain to press the
buttonfor3sec.
Inplaceswherethetimezonecannotbeadjusted,thetimezonecanbesetmanually.
※RefertoSetDaylightSavingTime(DST) P.41,tosetDaylightSavingTime(DST).
DST ON OFF
Display
Thesecondhandstopsatthe40-secposition,andthe
indicatorhandpointsto 
Thesecondhand indicates the
receptionresult(Y or N),and the
indicatorhandpointstothetypeof
reception(1or4+).
Press
for
3sec
Press
and
Release
＜In-flightmode（ ）state ＞
Theindicatorhand
pointsto .
※When5secondsorlongerhaveelapsedafteroperationof① ,thewatchautomaticallyreturnstothetimedisplaymode.When
thewatchreturnedtothetimedisplaymode,restartoperationfrom①.
Settothein-flightmode（ ）
PressButton Band then
releaseit.
ContinuetopressButtonC(3sec)within
approximately5secafteroperationof①.
12 3
In-flightmode
（ ）
setting
automaticallyendsafter5sec
Thewatchreturns to thetime
displaymode.
Whenthein-flightmode（ ）
isbroughtabout,theindicator
handpointsto  even after
thewatchhasreturnedtothe
timedisplaymode.
→Manualtimezonesetting(Tosetthe
watchtothelocaltimeofthe
destinationinanairplane,etc.)
P.43
Continueto press
ButtonC (3sec), and
whenthe second hand
hasstopped,releaseit.

3BASICOPERATION
44
English
3BASICOPERATION
45
English
※Inthemanualtimeadjustment,theprecisetimeofthecurrentlysettimezoneisdisplayed.
Whentheregionortimezonewherethewatchisusedischanged,adjustthetimezone.
→Howtoadjustthetimezone P.40
(Ifthetimezoneisadjusted,thetimezonesetting,timeanddatewillbeadjusted,soitisnotnecessaryto
manuallyadjustthetimeimmediatelythereafter.)
※
DaylightSavingTime(DST)isnotautomaticallyset.Carryoutthesettingmanually
→SetDaylightSavingTime(DST) P.41
※Failureorsuccessofreceptiondependsonthereceptionenvironment.
→PlacewhereGPSsignalscanbeeasilyreceived/PlacewhereGPSsignalscannotbereceived P.38
※ Atthetimewhenthereceptionwassuccessfulbymanuallyadjustingthetime,automatictimeadjustmentmay
beperformed.Fordetails,refertoAutomatictimeadjustment P.46 ＜ Whenitisdifficulttoexposuretolight＞
※GPSsignalreceptionconsumesalotofenergy.
Keepinmindtochargethewatchregularlybyexposetolightsothattheindicatorhandpointstothelevel
position(middle)orF(full).
(WhenthechargingstatusbecomesE(low),thereceptionwillnotstartevenwithoperationofGPSradio
signalreception.)→Checkthechargingstatus
P.36
Thewatchcanbesettotheprecisecurrenttimeofthecurrentlysettimezone.
(Thetimezoneisnotchanged.)
→Howtomanuallyadjustthetime P.45
→Checkthetimezonesetting P.40
Manualtimeadjustment(Tosetonlythetime)
Manualtimeadjustment
Press
for
3sec
Whenthe second hand has
reachedthe0-sec position,
receptionisstarted.
Theindicatorhand pointsto
1.
※Whiletheindicatorhandpoints
toEor ,reception is not
startedevenwithoperationfor
reception.
Whenthehand points toE,
chargethewatch by expose
tolight.
Whenthehandpointsto ,
resetthein-flightmode（ ）
Howtomanuallyadjustthetime
ContinuetopressButtonB(3sec),
andthenreleaseitwhenthesecond
handmovestothe0-secposition.
1342
Movetothe
outdoorsunder
anopenskywith
goodvisibility
whereGPS
signalscanbe
easilyreceived.
Directthe watchface
upwardandwait
Ittakesupto
1mintocomplete
reception.
※  Thereceptiontime
dependsonthe
receptionconditions.
<Displayduringreception>
Thesecondhandindicates
easeofreceiving(=numberof
GPSsatellitesfromwhichGPS
signalsarereceived).
※ Toacquireonly time information,
thenumberofsatellitesnecessary
forreceptionisone.
Press
※Tocancelthereception,press
ButtonA.
Numberof
acquired
satellites
１０
Display
BPC
J
J
Y
BPC
JJY
State Easyto
receive Cannot receive
Whenthe secondhand
pointstoYorN,
receptioniscompleted.
Thereceptionresultisdisplayed
for5seconds.
Then,thehourandminutehands
move,andthetime anddateare
adjusted.
Reception
result
display
Y:
Successful
N:
Failed
Display
B
P
C
JJY
B
P
C
JJY
Checkthatthe reception is
successfulafterthe watch
returnstothe time display
mode.
Whenthetime is not correct
evenifY is displayed,the
timezonemay not correspond
totheregion where you are.
→ Checkthetime zone setting.
P.40

3BASICOPERATION
46
English
3BASICOPERATION
47
English
Thiswatch can beset to the precisecurrent time byautomatically
receivingGPSsignals byexposuretobrightlight outdoorsunder an
openskytoadjustthetime.
Inaddition,whenthewatch isconcealedundera sleeveandthedial
isnotexposedtosufficientlightevenifoutdoorsunderanopensky,
thewatch stores thetime of the previoussuccessful manual time
adjustment(ortimezone adjustment),andautomaticallystarts time
adjustmentatthesametime.
※Theautomatictimeadjustmentisperformedatmostonetimeperday.Therefore,
evenifautomatictimeadjustmenthasfailed,thenextautomatictimeadjustmentwill
beperformedthenextdayorthereafter.
※Iftheenergyissufficientlycharged,automaticreceptionwillbeperformedeveryday.
Duringreception,thehandsmoveinthesamemannerasthemanualtimeadjustment.
→Howtomanuallyadjustthetime P.44〜45
※Thetimezoneisnotadjustedintheautomatictimeadjustment.
Whentheregionwherethewatchisusedischanged,pleasecarryouttimezoneadjustment.Howtoadjustthetimezone P.40
<Whenitisdifficulttoexposetolightsufficiently>
Evenifoutdoorsunderanopensky,whenthewatchisconcealedunderasleeveinwintertime,etc.,in
anareawherethedaylighthoursareshort,orwhenthewatchisnotlikelytobeexposedtosufficient
lightforalongtimeduetobadweather,thewatchisdesignedtoallowforautomatictimereceptionat
thetimewhenthemanualtimeadjustmentwassuccessfulthelasttime.
Whenthe watchis exposedtothe operatingenvironment above, automatictime adjustmentislikely
tobe successful bymaking manual time adjustmentsuccessful in timeperiodswhere the watchis
frequentlyusedinaplacewhereGPSsignalscanbeeasilyreceivedunderanopensky.
→Howtomanuallyadjustthetime P.45
However,as the watchjudges to start automatictime adjustment takingintoconsideration the following
conditions,thewatchdoesnotnecessarilystartautomatictimeadjustmentbyexposuretobrightlight.
・Chargingstatus
・Pastreceptionstatus
※WhentheindicatorhandpointstoE(low),orinthein-flightmode（ ）,automatictimeadjustmentdoesnotwork.
WhentheindicatorhandpointstoE,chargethewatchbyexposetolight.
※Whentheenergyisreduced,theperiodforwhichautomatictimeadjustmentisnotperformedbecomeslonger.Keepinmindto
chargethewatchregularly.
※Ifthetimezoneadjustmentormanualtimeadjustmentisperformedbeforetheautomatictimeadjustmentisstarted,the
automatictimeadjustmentisnotperformedonthatday.
7th
6
th
Automatictimeadjustment
Thetypeofreceptionandreceptionresult(successorfailure)ofthelastGPSsignal
receptionisdisplayedfor5seconds.
Whenthereception
hasfailedinanyway,
manuallysetthetime
anddate.
→How to manuallyset
thetime
P.52
→How to manuallyset
thedate
P.53
・  Thereception was
successful.
Usethewatchasitis.
Whenthereception
resultisY
Whenthereception
resultisN
※ Whenapproximately5
days haveelapsedafter
successfulreception,the
receptionresultdisplay
becomesN.
※ Evenunderastatewhere
GPSsignal cannotbe
received,the watch
operateswithquartz
accuracy(atloss/gain±15
secondspermonth).
・Thereceptionhas
failed.
Move to the outdoors
whereGPSsignalscan
beeasily received as
necessary to receive
GPSsignals.
Receptionresultdisplay(Checkthatreceptionwassuccessful)
12
PressButtonBonce
andthenreleaseit
Thesecondhandand
indicatorhanddisplay
thereceptionresult.
※WhenButtonBiskept
pressed,thewatch
enterstheManualtime
adjustmentoperation.
Checkthatreceptionwassuccessful(within5sec)
Thesecond hand displays the
receptionresult(success/failure).
Theindicatorhanddisplayswhichof
thelast GPSsignal receptionwas
performed fortime adjustmentor
timezoneadjustment.
Secondhand:Reception
result(success/failure)
Result Successful Failed
Display
B
P
C
JJY
BPC
JJY
Position
Y
12-sec
position
N
18-sec
position
※After5secondshave
elapsedorwhenButton
Aispressed,thewatch
returnstothetime
displaymode.
Indicatorhand:
Receptionmethod (manualtime
adjustmentortimezoneadjustment)
Type
1
(Manualtime
adjustment)
4+
(Timezone
adjustment)
Display
※Thetimeatwhichthewatch returns
tothetimedisplaymodevaries
dependingonthepositionofthe
indicatorhand.
Press
and
Release
Press