Seiko ASTRON Basic Owner's Manual

2
BEFOREUSE
36
English
2
BEFORE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

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