Seiko ASTRON Basic Owner's Manual

3
BASICOPERATION
44
English
3
BASIC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
BP
C
J
J
Y
B
P
C
JJ
Y
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
J
JY
B
P
C
J
J
Y
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

Seiko ASTRON Specifications

Frequency

frequency of crystal oscillator	32, 768 Hz
loss/gain (monthly rate)	±15 seconds

Operating Environment

operational temperature range	−10°C to +60°C
normal temperature range	5°C to 35°C

Power

power source	Secondary battery, 1 piece
duration of operation (fully charged)	Approximately 6 months
duration of operation (power save activated)	Approximately 2 years