About dua l tim e di spl a y
11 9
Equipped with the main watch and sub dial, the watch can simultaneously
indi cate the loca l times i n two regions .
Example: How to display the local time in Honolulu by the main watch,
and the local time in Japan by the sub dial.
Worldtimefunction
3
11 8
Worldtimefunction
3
Q : WillthewatchbeautomaticallysettothelocaltimewhenitismovedtoaplaceoutsideJapanin
adierenttimezone?
A : Thewatchwillnotbeautomaticallysettothelocaltimeifitisjustmovedtoaplaceoutside
Japaninadierenttimezone.Selectthetimezonewhereyouarewhenyouareabroad.
Ifyouselectthetimezone,thewatchisautomaticallysettothelocaltime.
(Thetimedierencecanbeadjustedinincrementsof1hourbasedontheJapanStandard
Time.)
Afterselectingthetimezone,ifitiswithinthereceptionrangeofradiosignals,youcanleave
thewatchtoreceivetheradiosignaltosetittotheprecisetime.
(Thereceivablestandardfrequencycanbechangedbyselectingatimezone.)
Q : DaylightSavingTimeinformationshouldbecontainedinastandardfrequency.Isn'titnecessary
tosetsummertimemanuallyifthetimezonewithintheradiosignalreceptionrangeisproperly
selected?
A :
SomeareasorcountriesinatimezonemaynothaveadoptedDaylightSavingTime.
ThereforethewatchisdesignedsothatDaylightSavingTimecanbemanuallyselected.
Q:
Maintainingthemainwatchunderhometime (timeofresidingarea),isitpossibletoallowthesubdial
todisplaylocaltime (localtimeineachtimezonearoundtheworld)?
A:
Thesubdialcanbeadjustedtoanydiscretionarytime. Referto"Howtosetthesubdial"onP.120.
Q & A for the worl d time functi on
Main watch: Local time (Honolulu)
Sub dial: Home time (Japan)
Japantime: 10 o’clock 8minutes (24 - hou r
indicationfo rmat)
→ Ab ou tsub dial P.1 2 0
Honolulu tim e( -19 hours):15 o’clock 8minutes and 42 seconds
Date:5th.
Dayof theweek: Sund ay
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121
Pr ess th e But t on B t o set
the t ime.
2
Toadvanceoneminute
Press the button once and release.
Toadvance
rapidly
Keeppressingdownthebuttonforlongerthan2seconds.
Pressthebuttononceagaintostop.
Push t he cr own b ack.
3
Theoperationisnowcompleted.
※ Relo ckthe crown.
→P.1 0 7
※P ressthe Button Bwith yournger or
withanobje ct with along taperedt ip.
→P.1 0 6
Worldtimefunction
3
012
12 0
Pull ou t the c row n to t he r st click.
1
The second hand rotates until it points to the 30-second
positionandstops.
Thewatchentersthetimesettingmodeforsubdial.
Both the main watch and the sub dial continue to operate.
Pulloutthe
crowntothe
firstclick.
■ How to set the sub dial
About sub d ial
・ The sub dial displays time in t he
24-hour indication for mat.
・ Even if t he time zone of the
main wa tch is changed, the time
indicat ed on t he sub dial r emains
unchanged.
Subdial oper ates independently ofthe
main wa tch.
※ Unl ockthe
crown.
→P.1 0 7
Worldtimefunction
3
012
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12 3
HowtoSettheTime(RadioSignalReception)
4
12 2
4
HowtoSettheTime(RadioSignalReception)
The radio-controlled watch displays the precise time, date and day by automatically
receiving and synchronizing itself with the radio signal of an ocial standard frequency.
Time signal transmitted by a standard frequency is based on a super accurate "Cesium
Atomic Clock" that may have a 1 second loss or gain per one hundred thousand years.
Transmitting
Station
Cesium
AtomicClock
Radio-controlledwatch
Receiveradiosignalsthroughthe
antennainsidethewatch
↓
Analyzetimeinformation
↓
Displaythecurrenttime,dateandday
Ocialstandard
frequency
■ Mechanism of radio signal reception
Setting the ti me, date an d da y b y receiv in g a rad io s igna l
※
Ifthe time zone is set toaregion other than Japan, China orthe United States, the signal reception function w ill not work. →Time Zone
Displayand T ime Dier ence Ta b l e P . 11 4
※
R adioSignal reception resultsdepend onareceiv ing condition. →Environments inwhich it is dicul t to receive aradio signal on P.1 3 2
※
T hiswatch isunable to receive radio sig nals outside areceptionrange →Radio signa l reception range indication on P.12 4
※
When thewatch is notdisplaying thepr ecise time, date and day even after success fully rec eiving aradio signa l →In this case, refer to
T ro ubleshooting :Misalig nme nt of the time and hands onP.17 8 and Misalig nm ent of the date and dayon P.18 0 .
・Manual reception
When this watch cannot automatically receive a radio signal due to a difficult
receiving environment, it is possible to receive them arbitrarily at any time.
→ How to conduct manual reception P.156
・Automatic reception
This watch sets the time, date and day by automatically receiving a radio signal at a xed
time. This watch automatically receives a radio signal at 2:00 AM, 3:00 AM and 4:00 AM.
■ Automatic reception and manual reception
※When the watch successf ully receive s aradio signal, it will stop automatic reception.
・
Place the watch in a place where it can easily receive a radio signal such as near a window.
・While the watch is receiving radio signals, do not move it.
→ To Improve Radio Signal Reception P.131
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12 5
■ Radio signal reception range:JAPAN(JJY)
JJYisoperatedbythe NationalInstitute of
Informationand Communications Technolog y (NIC T).
JJYist ransmittedfrom t wostations inJapan. Each
stationtransmits JJY in adierent frequenc y.
Fukushim a(Ohtakado ya-yama transmitting station: 40 KHz)
Kyushu (Hagane -yama tr ansmittingstation :60 KHz)
The recep tionrange fromea chtransmit tingstationis
approximately1 ,000km (1 ,000km radius of each station).
When the time zone is set to [TYO (Tokyo)], the watch can receive r adio
signals of Japan.
※Ifthecondition isgoodina ra ngebeyond
1 ,000km, therecanbe thecase that the
watchcan receive radio sign als.
※
Evenwithinthe radio signal reception range, radio
signalreception may be obstructeddepending onthe
receptionconditionssuch asweather,geogr aphical
features,surrou nding buildings or directions.
→
Conditionsin which the watch may be
unableto receiveradio signa ls P.1 3 2
HowtoSettheTime(RadioSignalReception)
4
12 4
About recep tion con di tion s
This watch can receive ocial standard frequencies of Japan (two stations), People’s Republic of China, and the United States of America.
When you set the watch to a time zone in Japan, China or the United States, the o cial standard frequencies the watch receives will be
automatically changed accordingly to the selected time zone.
→SettingtheTimeZoneP.112
Japan (J J Y )
P.1 2 5 Uni tedStates
ofAmerica
( W W V B)P.1 2 7
C h i n a( B P C )
P.1 2 6
■ About radio signal reception range
4
HowtoSettheTime(RadioSignalReception)
Ohtakadoya-
yamatransmi tting
station (40k H z)
Hagane -yama
transmit ting
station (60k Hz) 1 ,000km
1 ,000km
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