Casio 5423 Operation Guide

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MA1404-EA

Operation Guide 5423

About This Manual

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This User’s Guide uses numbers shown above to identify watch hands and indicators.

E-2

2. Check the Home City and the daylight saving time (DST) setting.

Use the procedure under “To conﬁ gure Home City settings” (page E-32) to conﬁ gure your Home City and daylight saving time settings.

Important!

Proper time calibration signal reception and World Time settings depend on correct Home City, time, and date settings in the Timekeeping Mode. Make sure you conﬁ gure these settings correctly.

3. Set the current time.

x To set the time using a time calibration signal

See “To get ready for a receive operation” (page E-21).

x To set the time manually

See “Conﬁ guring Current Time and Date Settings Manually” (page E-36).

Button operations are indicated using the letters A through D shown in the illustration.

Hand Functions

Hour Hand Second Hand

Minute Hand 24-hour Hand: Indicates the current 24-hour

Left Dial Hands: Indicate a time, in 24-hour format,

Right Dial Hand: Indicates the current day of the week

Day Indicator

timekeeping hour.

depending on the current mode.

and current mode.

Congratulations upon your selection of this CASIO watch.

This watch does not have a city code that corresponds to the UTC offset of –3.5 hours. Because of this, the radio-controlled atomic timekeeping function will not display the correct time for Newfoundland, Canada.

Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss suffered by you or any third party arising through the use of your watch or its malfunction.

Things to check before using the watch

ENGLISH

1. Hold down C for about two seconds to enter the Timekeeping Mode, and

then observe the movement of the

Is the x Second Hand moving smoothly in one-second intervals?

Is the x Second Hand moving at two-second intervals or is it stopped completely?

Power is low. Charge the watch by placing it in a location where it is exposed to light. For details, see “Charging the Watch” (page E-9).

The watch is now ready for use.

x For details about the watch’s radio controlled timekeeping feature, see “Radio

Controlled Atomic Timekeeping” (page E-16).

YES

Second Hand.

The watch is charged sufﬁ ciently. For details about charging, see “Charging the Watch” (page E-9).

Go to step 2.

YES

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Contents

About This Manual................................................................................................. E-2

Things to check before using the watch .............................................................E-3

Charging the Watch ............................................................................................... E-9

To recover from the sleep state .......................................................................E-15

Radio Controlled Atomic Timekeeping.............................................................. E-16

To get ready for a receive operation ................................................................E-21

To perform manual receive ..............................................................................E-24

To check the result of the latest receive operation ........................................... E-26

Mode Reference Guide ........................................................................................ E-28

To determine the watch’s current mode ........................................................... E-29

To return to the Timekeeping Mode from any other mode ............................... E-29

To select a mode.............................................................................................. E-30

E-6

To swap your Home City and World Time City ................................................E-50

Auto Correction of Hand Home Positions ......................................................... E-52

To trigger auto correction of hand home positions ........................................... E-53

Adjusting Home Positions Manually.................................................................. E-55

To adjust home positions manually .................................................................. E-56

Troubleshooting .................................................................................................. E-60

Speciﬁ cations ......................................................................................................E-69

Operating Precautions ........................................................................................E-71

User Maintenance ................................................................................................ E-81

E-8

Timekeeping ......................................................................................................... E-31

Conﬁ guring Home City Settings ........................................................................ E-32

To conﬁ gure Home City settings ......................................................................E-32

To toggle the Home City time between standard time and

daylight saving time ...................................................................................... E-34

Conﬁ guring Current Time and Date Settings Manually ................................... E-36

To change the current time setting manually ...................................................E-36

To change the current date setting manually ................................................... E-39

Using the Stopwatch ...........................................................................................E-43

To perform elapsed time measurement ...........................................................E-44

To perform an elapsed time operation .............................................................E-44

To pause at a split time .................................................................................... E-44

Checking the Current Time in a Different Time Zone ....................................... E-46

To view the time in another time zone .............................................................E-47

To specify standard time or daylight saving time (DST) for a city .................... E-48

Charging the Watch

The face of the watch is a solar panel that generates power from light. The generated power charges a built-in rechargeable battery, which powers watch operations. The watch charges whenever it is exposed to light.

Charging Guide

Whenever you are not wearing the watch, be sure to leave it in a location where it is exposed to light.

x Best charging

performance is achieved by exposing the watch to light that is as strong as possible.

When wearing the watch, makes sure that its face is not blocked from light by the sleeve of your clothing.

x The watch may enter a

sleep state (page E-14) if its face is blocked by your sleeve even only partially.

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Operation Guide 5423

Warning! Leaving the watch in bright light for charging can cause it to become quite hot. Take care when handling the watch to avoid burn injury. The watch can become particularly hot when exposed to the following conditions for long periods.

x On the dashboard of a car parked in direct sunlight x Too close to an incandescent lamp x Under direct sunlight

Important!

x Keep the watch in an area normally exposed to bright light when storing it for long

periods. This helps to ensure that power does not run down.

x Storing the watch for long periods in an area where there is no light or wearing it in

such a way that it is blocked from exposure to light can cause power to run down. Make sure that the watch is exposed to bright light whenever possible.

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Level Hand Movement Function Status

1 Normal. All functions enabled.

Second Hand moving at two-second

intervals.

mm Day Indicator changes to 1 (home

position).

Second Hand stopped.

zz Hour Hand and cc Minute Hand stopped

at 12 o’clock.

x When power drops to Level 3, all functions will be disabled but the watch will

continue to keep time internally for about one week. If you recharge the battery sufﬁ ciently during this period, the analog hands will move automatically to the correct setting and regular timekeeping will resume. After one week, all settings (including timekeeping) will be cleared. Recharging the battery will reset all settings to their initial factory defaults.

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Power Saving

Power Saving enters a sleep state automatically whenever the watch is left for a certain period in an area where it is dark. The table below shows how watch functions are affected by Power Saving.

x There actually are two sleep state levels: “second hand sleep” and “function sleep”.

Elapsed Time in Dark Operation

60 to 70 minutes (second hand sleep)

6 or 7 days (function sleep)

x The watch will not enter a sleep state between 6:00 a.m. and 9:59 p.m. If the watch

is already in a sleep state when 6:00 a.m. arrives, however, it will remain in the sleep state.

x The watch will not enter a sleep state while it is in the Stopwatch Mode.

Second Hand only stopped at 12 o’clock, all other

functions enabled

x All functions, including analog timekeeping, disabled x Internal timekeeping maintained

Time calibration signal reception.

All functions disabled.

Power Levels

z c

Moves at two-second intervals.

You can get an idea of the watch’s power level by observing the movement of the Timekeeping Mode.

Second Hand is moving normally in one-

x If the

second intervals, power is at Level 1.

Second Hand is moving at two-second

x If the

intervals, power is at Level 2, which is quite low (Low battery alert). Expose the watch to light as soon as possible so it can charge.

Second Hand in the

Charging Times

Exposure Level (Brightness)

Outdoor sunlight (50,000 lux) 8 minutes 2 hours 24 hours

Window sunlight (10,000 lux) 30 minutes 6 hours 89 hours

Window sunlight on cloudy day (5,000 lux)

Indoor ﬂ uorescent lighting (500 lux) 8 hours 97 hours – – –

* 1 Approximate exposure each day to generate power for normal daily operation. * 2 Approximate amount exposure time required to take power up one level.

x The above exposure times all are for reference only. Actual exposure times depend

on lighting conditions.

x For details about the operating time and daily operating conditions, see the “Power

Supply” section of the Speciﬁ

To recover from the sleep state

Move the watch to a well-lit area or press any button.

Daily

Operation

48 minutes 9 hours 144 hours

cations (page E-70).

Level Change *2

Level 3 Level 2 Level 1

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E-14

Radio Controlled Atomic Timekeeping

This watch receives a time calibration signal and updates its time setting accordingly. However, when using the watch outside of areas covered by time calibration signals, you will have to adjust the settings manually as required. See “Conﬁ guring Current Time and Date Settings Manually” (page E-36) for more information.

This section explains how the watch updates its time settings when the city code selected as the Home City is in Japan, North America, Europe, or China, and is one that supports time calibration signal reception.

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If your Home City Code setting is this:

LONDON (LON), PARIS (PAR), ATHENS (ATH) Anthorn (England), Mainﬂ ingen (Germany) HONG KONG (HKG) Shangqiu City (China) TOKYO (TYO) Fukushima (Japan), Fukuoka/Saga (Japan) HONOLULU (HNL), ANCHORAGE (ANC),

LOS ANGELES (LAX), DENVER (DEN), CHICAGO (CHI), NEW YORK (NYC)

Important!

x The areas covered by HONOLULU (HNL) and ANCHORAGE (ANC) are quite far

from the calibration signal transmitters, so certain conditions may cause reception problems.

x When HONOLULU (HNL) or HONG KONG (HKG) is selected as the Home City,

only the time and date are adjusted according to the time calibration signal. You need to switch manually between standard time and daylight saving time (DST) if required. See “To toggle the Home City time between standard time and daylight saving time” (page E-34) for information about how to do this.

The watch can receive the signal from the transmitter located here:

Fort Collins, Colorado (United States)

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Approximate Reception Ranges

UK and German Signals North American Signal

2,000 miles

Anthorn

500 kilometers

1,500 kilometers

The Anthorn signal is receivable within this area.

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Mainﬂ ingen

(3,000 kilometers)

600 miles (1,000 kilometers)

Fort Collins

Japanese Signals Chinese Signal

Fukushima

500 kilometers

Fukuoka/Saga

1,000 kilometers

Changchun500 kilometers

1,500 kilometers

Beijing Shangqiu Shanghai Chengdu Hong Kong

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Operation Guide 5423

x Signal reception may not be possible at the distances noted below during certain

times of the year or day. Radio interference may also cause problems with reception.

− Mainﬂ ingen (Germany) or Anthorn (England) transmitters: 500 kilometers (310

miles)

− Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)

− Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles)

− Shangqiu (China) transmitter: 500 kilometers (310 miles)

x As of December 2013, China does not use Daylight Saving Time (DST). If China

does go to the Daylight Saving Time system in the future, some functions of this watch may no longer operate correctly.

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x The receive operation takes from two to seven minutes, but in some cases it

can take as long as 14 minutes. Take care that you do not perform any button operation or move the watch during this time.

x Signal reception may be difﬁ cult or even impossible under the conditions

described below.

Inside or among buildings

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To perform manual receive

1. In the Timekeeping Mode, keep A depressed (for about two seconds) as the

x Moves to Y (or YES for some models) or N (NO) to indicate the last signal

2. The

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Inside a vehicle

Near household appliances, ofﬁ ce equipment, or a mobile phone

Near a construction site, airport, or other sources of electrical noise

Near high-tension power lines

Second Hand goes through the following sequence.

reception result, then to R (READY).

Second Hand indicates the operations the watch is currently performing.

When the xx Second Hand is pointed here:

R (READY) Watch is setting up for reception.

W (WORK) Reception is in progress.

Y (YES)

N (NO) Reception failed for some reason.

x If signal reception is unstable, the xx Second Hand

may move between W (WORK) and R (READY).

It means this:

Reception was completed successfully.

Among or behind mountains

x Using this watch in a country covered by a time calibration that is different from the

countries it supports may result in incorrect time indication due to local application of summer time, etc.

To get ready for a receive operation

1. Conﬁ rm that the watch is in the Timekeeping Mode. If it isn’t, hold down C for

about two seconds to enter the Timekeeping Mode.

2. Place the watch in a location where signal reception is good.

6 o’clock

3. What you should do next depends on whether you are using Auto Receive or Manual Receive.

x Auto Receive: Leave the watch over night in the location you selected in step 2.

See “Auto Receive” on page E-23 for details.

x Manual Receive: Perform the operation under “To perform manual receive” on

page E-24.

Auto Receive

x With Auto Receive, the watch performs the receive operation each day

automatically up to six times (up to ﬁ between the hours of midnight and 5 a.m. (according to the Timekeeping Mode time). When any receive operation is successful, none of the other receive operations for that day are performed.

x When a calibration time is reached, the watch will perform the receive operation

only if it is in the Timekeeping Mode or World Time Mode. The receive operation is not performed if a calibration time is reached while you are conﬁ

3. The receive operation is complete when the x Second

Hand moves to Y (YES) or N (NO) for about ﬁ ve

seconds, and then resumes regular timekeeping.

x You can return to the Timekeeping Mode manually by

pressing A while the Y (YES) or N (NO).

x When the receive operation is successful, the watch

adjusts the time setting accordingly. It does not adjust the setting if the operation failed.

Note

x To interrupt a receive operation and return to the

Timekeeping Mode, press any button.

x Position the watch as shown in the

nearby illustration, with 6 o’clock pointed towards a window. Make sure there are no metal objects nearby.

x Signal reception normally is better

at night.

ve times for the Chinese calibration signal)

guring settings.

Second Hand is pointing to

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To check the result of the latest receive operation

In the Timekeeping Mode, press A.

x The

Second Hand will move to Y (YES) for ﬁ ve

seconds if the latest receive operation was successful, or N (NO) if it was not. After that, regular timekeeping will resume.

x You can return to the Timekeeping Mode manually by

pressing A while the

Y (YES) or N (NO).

Note

Second Hand will indicate N (NO) if you have

x The

adjusted the time or date setting manually since the latest receive operation.

Second Hand is pointing to

Mode Reference Guide

Your watch has three “modes”. The mode you should select depends on what you want to do.

To do this: Enter this mode: See:

x View the current time in your Home City and in one

of 29 other cities around the globe

x View the current date in the Home City x Conﬁ gure Home City and daylight saving time

(DST) settings

x Perform a time calibration receive operation x Conﬁ gure time and date settings manually

Use the stopwatch to measure elapsed time Stopwatch Mode E-43

View the current time in one of 29 cities (time zones) around the globe

Timekeeping Mode

World Time Mode E-46

E-31

Radio-controlled Atomic Timekeeping Precautions

x Strong electrostatic charge can result in the wrong time setting. x Even if a receive operation is successful, certain conditions can cause the time

setting to be off by up to one second.

x The watch is designed to update the date and day of the week automatically for

the period January 1, 2000 to December 31, 2099. Updating of the date by signal reception will no longer be performed starting from January 1, 2100.

x If you are in an area where signal reception is not possible, the watch keeps time

with the precision noted in “Speciﬁ

x The receive operation is disabled under any of the following conditions.

− While power is at Level 2 or lower (page E-11)

− When the watch is in the function sleep state (Power Saving, page E-14)

Selecting a Mode

With this watch, everything starts from the Timekeeping Mode.

cations” (page E-69).

To determine the watch’s current mode

Check the position of the under “To select a mode” (page E-30).

To return to the Timekeeping Mode from any other mode

Hold down C at least two seconds to enter the Timekeeping Mode.

Right Dial Hand as shown

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Operation Guide 5423

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To select a mode

Press C to cycle between the modes as shown below. The indicates the currently selected mode.

Timekeeping Mode Stopwatch Mode

The hand indicates the day of the week (SU, M, T, W, T, F, S).

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Right Dial Hand

The hand points to 0 (at 12 o’clock).

World Time Mode

The hand points to STD or DST.

Conﬁ guring Home City Settings

There are two Home City settings: actually selecting the Home City and selecting either standard time or daylight saving time (DST).

To conﬁ gure Home City settings

Note

x This watch does not have a city code that

corresponds to Newfoundland.

1. In the Timekeeping Mode, keep A depressed (for

about ﬁ

E-32

x In the city code setting mode, the n Right Dial Hand indicates the current

daylight saving time setting as STD (standard time) or DST (daylight saving time).

x Note that you cannot switch between STD (standard time)/DST (daylight saving

time) while UTC is selected as your Home City.

4. After all the settings are the way you want, press A to return to the Timekeeping

Mode.

To toggle the Home City time between standard time and daylight saving time

1. Perform the step 1 under “To conﬁ

x Each time you select a city code, the

hour Hand move to the current time for that city code. Do not perform the next operation until these hands stop moving.

2. Press B to toggle the time for the city code of the currently selected Home City

between STD (standard time)/DST (daylight saving time).

ve seconds) as the

through the following sequence.

x Moves to Y (or YES for some models) or N (NO)

to indicate the last signal reception result, then to R (READY), and then to the city code of the currently selected Home City.

x This indicates the city code setting mode.

gure Home City settings” on page E-32.

Hour Hand, c Minute Hand, and v 24-

Second Hand goes

Timekeeping

Use the Timekeeping Mode to view the current time and date. To enter the Timekeeping Mode from any other mode, hold down C for about two seconds.

z cx

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z c

nv m

3. Press B to toggle the time for the currently selected city code between STD

(standard time)/DST (daylight saving time).

x In the city code setting mode, the n Right Dial Hand indicates the current

daylight saving time setting as STD (standard time) or DST (daylight saving time).

x Note that you cannot switch between STD (standard time)/DST (daylight saving

time) while UTC is selected as your Home City.

3. After the setting is the way you want, press A to return to the Timekeeping Mode.

Note

x After you specify a city code, the watch will use UTC* offsets in the World Time

Mode to calculate the current time for other time zones based on the current time in your Home City.

x Selecting some city codes makes it possible for the watch to receive the time

calibration signal for the corresponding area automatically. See page E-16 for details.

* Coordinated Universal Time, the world-wide scientiﬁ

reference point for UTC is Greenwich, England.

Hand Functions

Hour Hand Second Hand Minute Hand 24-hour Hand

Left Dial Hands: Indicate the current time in the World

Right Dial Hand: Indicates the day of the week. Day Indicator

x The watch will exit the setting mode automatically if

you do not perform any operation for about two or three minutes.

x For details about city codes, see the “City Code

Table” at the back of this manual.

2. To change the Home City setting, press D to move the

Second Hand clockwise.

x Keep pressing D until the

at the city code you want to select as your Home City.

x Each time you select a city code, the

Minute Hand, v 24-hour Hand and m Day

Indicator move to the current time and date for that city code. Do not perform the next operation until these hands stop moving.

Time City (page E-46) in 24-hour format.

c standard of timekeeping. The

Second Hand is pointing

Hour Hand,

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Conﬁ guring Current Time and Date Settings Manually

You can conﬁ gure current time and date settings manually when the watch is unable to receive a time calibration signal.

To change the current time setting manually

1. In the Timekeeping Mode, keep A depressed (for about

ﬁ ve seconds) as the following sequence.

x Moves to Y (or YES for some models) or N (NO)

E-36

4. Use D (+) and B (–) to change the time (hour and minute) setting.

x Each press of either button will move the hands (z Hour Hand and c Minute

Hand) one minute.

x Holding down D or B will start high-speed

movement in the applicable direction. To stop high-speed hand movement, press any button.

24-hour Hand and z Hour Hand move in sync with each other.

x The x When setting the time, make sure that the

a.m./p.m. hour.

x If you want to change the date setting at this time, press C and perform the

procedure starting from step 3 under “To change the current date setting manually” (page E-39).

5. After the time setting is the way you want, press A to return to the Timekeeping

Mode.

x This will cause the

resume movement from there.

E-38

to indicate the last signal reception result, then to R (READY), and then to the city code of the currently selected Home City.

x At this time, the

Home City’s current daylight saving time setting (STD or DST).

Second Hand to move automatically to 12 o’clock and

Second Hand goes through the

Right Dial Hand will indicate the

Hour Hand and c Minute Hand

24-hour Hand indicates the proper

z x c

3. Press C.

x The x Second Hand and n Right Dial Hand will move to their 12 o’clock

positions. This is the time setting mode.

To change the current date setting manually

80 70

Setting the year (tens digit)

3. Use D and B to change the year setting.

x Each press of B will move the

the year setting.

2. Change the Home City and daylight saving time (DST) settings, if you want.

x For details about these settings, see steps 2 and 3

under “To conﬁ

x In the following steps, each press of C cycles

between settings as shown below.

Home city/DST Hour/Minute Year

1. In the Timekeeping Mode, keep A depressed (for

about ﬁ ve seconds) as the through the following sequence.

x Moves to Y (or YES for some models) or N (NO)

to indicate the last signal reception result, then to R (READY), and then to the city code of the currently selected Home City.

2. Press C twice so the

tens digit and the digit of the current year setting.

x This is the year setting mode. x The year can be set in the range of 2000 to 2099.

gure Home City settings” (page E-32).

Day Month

Right Dial Hand moves to the

Second Hand moves to the ones

Right Dial Hand and change the tens digit of

Second Hand goes

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Operation Guide 5423

Nov

567

Dec

Jan

Feb

Mar

Apr

May

Jul

Jun

Setting the year (ones digit)

Oct

Sep

Aug

Setting the month

E-40

Note

x The watch’s built-in full automatic calendar makes allowances for different month

lengths and leap years. Once you set the date, there should be no reason to change it except after you have the watch’s rechargeable battery replaced or after power drops to Level 3.

E-42

To perform elapsed time measurement

1. Use C to move the

x Each press of D will move the x Second Hand

and change the ones digit of the year setting.

4. After the year setting is the way you want, press C.

x This is the month setting mode.

5. Use D to move the

setting you want.

6. After the month setting is the way you want, press

x The

Second Hand will move to 12 o’clock, and

the watch will enter the day setting mode.

Second Hand to the month

Right Dial Hand to 0.

2. Now you can perform either of following stopwatch operations.

To perform an elapsed time operation

Start Stop (Resume) (Stop) Reset

B B B D

To pause at a split time

Start Split Stop Reset

E-44

Normal stopwatch hand movement will resume automatically after ﬁ ve seconds.

B D

7. Use D (+) and B (–) to change the m Day Indicator

setting.

x If you want to change the time setting at this time,

press C and then perform the procedure starting from step 3 under “To change the current time

setting manually” (page E-36).

8. After the settings are the way you want, press A to

return to the Timekeeping Mode.

x This will cause the

automatically to 12 o’clock and resume movement from there.

x The day of the week indicated by the

Hand changes automatically in accordance with the date (year, month, and day).

Second Hand to move

Right Dial

Using the Stopwatch

The stopwatch measures elapsed time and split times.

Hand Functions

Second Hand: Indicates the stopwatch seconds

Left Dial Hands: Indicate the stopwatch hours and

Right Dial Hand: Indicates the stopwatch 1/20-second

count.

minutes.

count.

Right Dial Hand will

Note

x The Stopwatch Mode can indicate elapsed time up to 23 hours, 59 minutes, 59.95

seconds.

x D button operation (split, reset) is disabled while hands are moving at high speed

following a reset operation and when transitioning from a split time back to normal elapsed timekeeping.

x Once started, stopwatch timing continues until you press B to stop it, even if you

exit the Stopwatch Mode to another mode and even if timing reaches the stopwatch

ned above.

limit deﬁ

x You can press B to start an elapsed time operation immediately after entering the

Stopwatch Mode, even if the watch’s hands are still moving to their initial Stopwatch Mode positions. Note, however, that if the stopwatch was not reset after the last elapsed time operation, timing will restart from where it was last stopped, and not from 0.

Right Dial Hand indicates the 1/20-second count for the ﬁ rst 30 seconds of

x The

a stopwatch elapsed time operation. After that, the hand stops at 0. 1/20-second timing continues internally after the ﬁ rst 30 seconds, and the move to the current value whenever B (Stop) or D (Split) is pressed.

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Checking the Current Time in a Different Time Zone

You can use the World Time Mode to view the current time in one of 29 time zones around the globe. The city that is currently selected in the World Time Mode is called the “World Time City”.

Hand Functions

E-46

To specify standard time or daylight saving time (DST) for a city

Hold down A for two seconds

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Second Hand:

Indicates the currently selected World Time City.

Left Dial Hands:

Indicate the current time in the selected World Time City in 24-hour format.

Right Dial Hand:

Indicates the current STD (standard time) or DST (daylight saving time) setting of the currently selected time zone.

1. In the World Time Mode, use D to select the city code

whose setting you want to change.

x Wait until the

to the time in the currently selected World Time City. You will not be able to perform step 2 of this procedure until the hands stop moving.

2. Hold down A for about two seconds until the

Dial Hand toggles to STD (standard time) or DST (daylight saving time).

x Note that you cannot switch between STD (standard

time)/DST (daylight saving time) while UTC is selected as the World Time City.

x Note that the STD (standard time)/DST (daylight

saving time) setting affects only the currently selected time zone. Other time zones are not affected.

Left Dial Hands complete their move

Right

To view the time in another time zone

1. Use C to move the

x The x Second Hand will move to the city code of the currently selected World

Time City.

2. Use D to move the

World Time City.

Left Dial Hands will move to the current time in the time zone of the

x The

current city code. At this time, the continue to indicate the current time in the Home City.

x For full information on city codes, see the “City Code Table” at the back of this

manual.

x If you think that the time indicated for the selected time zone is not correct, it

probably means that there is something wrong with your Home City settings. Use the procedure under “To conﬁ Home City settings.

Swapping your Home City and World Time City

You can use the procedure below to swap your Home City and World Time City. This capability can come in handy when you frequently travel between two locations in different time zones.

Right Dial Hand to STD or DST.

Second Hand to the city code you want to select as the

Hour Hand and c Minute Hand will

gure Home City settings” (page E-32) to correct the

The following example shows what happens when the Home City and World Time City are swapped while the Home City originally is TOKYO (TYO) and the World Time City is NEW YORK (NYC).

Before swapping

After swapping

Home City World Time City

TOKYO (TYO)

10:08 p.m.

(Standard time)

NEW YORK (NYC)

9:08 a.m.

(Daylight saving time)

E-47

NEW YORK (NYC)

9:08 a.m.

(Daylight saving time)

TOKYO (TYO)

10:08 p.m.

(Standard time)

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Page 6

Operation Guide 5423

To swap your Home City and World Time City

1. In the World Time Mode, use D to select the World

Time City you want.

x In this example, you would move the

Hand to NEW YORK (NYC) in order to select New

2. Hold down B for about three seconds until the

x This will make the World Time City (NEW YORK (NYC) in this example) your new

Home City. At the same time, it will change the Home City you had selected prior to step 2 (TOKYO (TYO) in this example), to your World Time City.

x After swapping the Home City and World Time City, the watch will stay in the

World Time Mode. The (TOKYO (TYO) in this example).

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York as the World Time City.

x Wait until the

move to the time in the currently selected World Time City. You will not be able to perform step 2 of this procedure until the hands stop moving.

Left Dial Hands complete their

Second Hand starts to move.

Second Hand will point to your new World Time City

Second

Auto Correction of Hand Home Positions

Strong magnetism or impact can cause the hands and/or day setting to be off, even if the watch is able to perform the signal receive operation. Auto correction of hand home positions correct the hand position automatically.

x Auto correction is performed in the Timekeeping Mode only. x Auto correction corrects the positions of the

Second Hand. For the dial hands and day, you must perform the manual

and adjustment procedure under “Adjusting Home Positions Manually” (page E-55).

x Each hour, the watch performs automatic correction of the hand positions from

–55 minutes to +5 minutes.

x You also can trigger auto correction of hand home positions manually, if you

want. See “To trigger auto correction of hand home positions” (page E-53) for more information.

x Auto correction of hand home positions can take up to three and a half minutes to

complete.

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x If you release D when the x Second Hand stops the ﬁ rst time (after about three

seconds) in the above operation, the watch will enter the home position adjustment mode, which is described under “Adjusting Home Positions Manually” (page E-55). If this happens, press A to return to the Timekeeping Mode and then perform the above operation again.

x Manually triggered auto correction of hand home positions performs the following

two steps.

1. The hands will move automatically in order to determine the home positions of the watch.

2. After the hand home positions are determined, the watch will return to normal timekeeping automatically. This completes the correction operation.

Hour Hand, c Minute Hand,

x The b Left Dial Hands will indicate the current time in your new World Time City.

Note

x If your current World Time City supports time calibration signal reception, making it

your Home City enables calibration signal reception for that city.

x If hand positions are off by one hour or more, correct them using the procedure

under “To trigger auto correction of hand home positions” (page E-53) or “Adjusting Home Positions Manually” (page E-55).

To trigger auto correction of hand home positions

x Perform the following procedure when the time setting

is off.

In the Timekeeping Mode, hold down D for about six seconds until the revolution.

x Though the

three seconds after you hold down D, do not release the button yet. Wait until the a full revolution before you release D.

x To interrupt an ongoing correction operation and return

to the Timekeeping Mode, press D again.

Second Hand completes one full

Second Hand will stop momentarily about

Second Hand completes

Adjusting Home Positions Manually

Strong magnetism or impact can cause the hands and/or date of the watch to be off, even if the watch is able to perform the signal receive operation. If this happens, perform the applicable home position adjustment procedures in this section.

x Hand home position adjustment is not required if the time and day settings are

correct.

x You also can use auto correction of the hand home positions (page E-52) to correct the

home positions of the

Note

x Any time after you enter the home position adjustment mode in step 1 of the

following procedure, you can return to the Timekeeping Mode by pressing A. The watch also will return to the Timekeeping Mode automatically if you do not perform any operation for about two or three minutes in the home position adjustment mode. In either case, any adjustments you made before the watch returned to the Timekeeping Mode will be applied.

Hour Hand, c Minute Hand, and x Second Hand.

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To adjust home positions manually

1. Hold down C for about two seconds until the

cz x

v b n m

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3. After conﬁ rming that the x Second Hand is at the proper home position, press C. This will switch to

x The z Hour Hand and c Minute Hand are at their proper home positions if

they both move to 12 o’clock. The

Hour Hand movement, and cannot be adjusted individually. If the hands are

not positioned correctly, use D (+) and B (–) to move them to their proper home positions.

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Hand stops and then starts moving again.

2. Hold down D for about three seconds.

x The

Second Hand will start to move when you ﬁ rst

press D. Keep D depressed until the Hand stops.

x The watch is now in the home position adjustment

mode.

x The watch will exit the adjustment mode automatically

if you do not perform any operation for about two or three minutes.

Second Hand home position adjustment.

x First is x If the x Second Hand moves to 12 o’clock, it is in the

correct home position. If it doesn’t, use D to move it to 12 o’clock.

Hour Hand and c Minute Hand home position adjustment.

24-hour Hand also will move along with

4. After conﬁ rming that the

Hand are in their correct home positions, press C. This will switch to adjustment.

Left Dial Hands are at their proper home

x The

positions if they both move to 24. If the hands are not positioned correctly, use D (+) and B (–) to move them to 24.

Hour Hand and c Minute

Left Dial Hands home position

Second

x Each press of C in the home position adjustment mode will cycle through the

adjustment settings as shown below.

7. Press A to return to the Timekeeping Mode.

Second

Day Indicator

x When adjusting a hand or the date home position, it is recommended that after

you move to a proper home position, you press B to move the setting back one step. Next, press D again to return it to the home position. This helps to ensure better home position adjustment accuracy.

nb m

x The

Day Indicator moves to the current day, and then the z Hour Hand and

Minute Hand will move to the current time. Wait until everything stops

the moving.

5. After conﬁ rming that the b Left Dial Hands are in the

6. After conﬁ rming that the

Hour/ c Minute/ v 24-hour

Right Dial Hand

correct home position, press C. This will advance to

Right Dial Hand home position adjustment.

x The

Right Dial Hand is in the correct home position

if it is pointing at 0. If it isn’t, use D (+) and B (–) to move it to 0.

correct home position, press C. This will advance to day home position adjustment.

Day Indicator is in the correct home position

x The

if it shows 1. If the 1 is not in the center of the Indicator, use D (+) and B (–) to center it.

Right Dial Hand is in the

Left Dial Hands

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Day

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Page 7

Operation Guide 5423

Troubleshooting

Hand Movement and Position

■ I lost track of what mode the watch is in.

Refer to “To select a mode” (page E-30). To return directly to the Timekeeping Mode from any other mode, hold down C for about two seconds.

Second Hand is moving at two-second intervals.

■ The

■ All the watch’s hands are stopped at 12 o’clock and none of the buttons work.

Power may be low. Expose the watch to light until the normally, at one-second intervals (page E-11).

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■ The current time setting is off by one hour.

If you are using the watch in an area where time calibration signal reception is possible, see “To conﬁ gure Home City settings” (page E-32). If you are using in the watch in an area where time calibration signal reception is not possible, you may need to change your Home City’s STD (standard time)/DST (daylight saving time) setting manually. Use the procedure under “To toggle the Home City time between standard time and daylight saving time” (page E-34) to change the STD/DST setting.

■ The hands and/or day indications are off.

This could indicate that the watch has been exposed to magnetism or strong impact, which has caused problems with proper hand and day alignment. Adjust the watch’s hand and day home position alignment (page E-52).

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■ The x Second Hand starts to move at one-second intervals, but then suddenly returns to moving at two-second intervals.

The watch probably is not sufﬁ ciently charged yet. Continue keeping it exposed to light.

Time Calibration Signal

The information in this section applies only when LONDON (LON), PARIS (PAR), ATHENS (ATH), HONOLULU (HNL), ANCHORAGE (ANC), LOS ANGELES (LAX), DENVER (DEN), CHICAGO (CHI), NEW YORK (NYC), HONG KONG (HKG), or TOKYO (TYO) is selected at the Home City. You need to adjust the current time

manually when any other city is selected as the Home City.

Second Hand starts moving

■ The hands of the watch suddenly start moving at high speed, even when I do not perform any operation.

This could be due to any one of the following causes. In all cases, the hand movement does not indicate malfunction, and should stop shortly.

x The watch is recovering from a sleep state (page E-14). x The time setting is being adjusted following a successful auto time calibration

signal receive operation (page E-16).

■ The current time setting is off by hours.

Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary (page E-32).

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World Time Mode

■ The World Time indicated by the one hour off from the actual time in the selected time zone.

The STD (standard time)/DST (daylight saving time) setting of the selected World Time City may be wrong. Select the correct STD (standard time)/DST (daylight saving time) setting (page E-48).

■ The World Time indicated by the is off.

Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary (page E-32).

Charging

■ The watch does not resume operation after I expose it to light.

This can happen after the power level drops to Level 3 (page E-11). Continue exposing the watch to light until the intervals).

■ The x Second Hand indicates N (NO) when I check the result of the latest receive operation.

Possible Cause Remedy Page

x You are wearing or moving the

watch, or performing a button operation during the signal receive operation.

x The watch is in an area with poor

reception conditions.

You are in an area where signal reception is not possible for some reason.

The calibration signal is not being transmitted for some reason.

Left Dial Hands in the World Time Mode is

Left Dial Hands in the World Time Mode

Second Hand starts moving normally (at one-second

Keep the watch in an area where reception conditions are good while the signal receive operation is being performed.

See “Approximate Reception Ranges”.

Check the website of the organization that maintains the time calibration signal in your area for information about its down times.

x Try again later.

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—

E-64

■ The current time setting changes after I set it manually.

You may have the watch conﬁ gured for Auto Receive of the time calibration signal (page E-23), which will cause the time to be adjusted automatically according to your currently selected Home City. If this results in the wrong time setting, check your Home City setting and correct it, if necessary (page E-32).

■ The current time setting is off by one hour.

Possible Cause Remedy Page

Signal reception on a day for switching between STD (standard time)/DST (daylight saving time) may have failed for some reason.

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■ Signal reception is being performed successfully, but the time and/or day is wrong.

Possible Cause Remedy Page

Your Home City setting is wrong.

The watch may have been exposed to magnetism or strong impact, which has caused problems with proper hand and day alignment.

Perform the operation under “To get ready for a receive operation”. The time setting will be adjusted automatically as soon as signal reception is successful.

If you are unable to receive the time calibration signal, change the STD (standard time)/DST (daylight saving time) setting manually.

Check your Home City setting and correct it, if necessary.

Adjust the watch’s hand and day home positions.

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■ Auto Receive is not performed or I cannot perform Manual Receive.

Possible Cause Remedy Page

The watch is in the Stopwatch Mode.

Your Home City setting is wrong.

There is not enough power for signal reception.

Auto Receive is not performed while the watch is in the Stopwatch Mode. Hold down C for about two seconds to enter the Timekeeping Mode.

Check your Home City setting and correct it, if necessary.

Expose the watch to light to charge it. E-9

Speciﬁ cations

Accuracy at normal temperature: ± 15 seconds a month (with no signal calibration) Timekeeping: Hour, minutes (hand moves every 10 seconds), seconds, 24-hour,

Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099 Other: Home City code (can be assigned one of 29 city codes and Coordinated

Time Calibration Signal Reception: Auto receive up to six times a day (5 times a

Receivable Time Calibration Signals:

day, day of the week

Universal Time); Daylight Saving Time (summer time) / Standard Time

day for the Chinese calibration signal; Remaining auto receives cancelled as soon as one is successful); Manual receive

Mainﬂ ingen, Germany (Call Sign: DCF77, Frequency: 77.5 kHz); Anthorn, England (Call Sign: MSF, Frequency: 60.0 kHz); Fukushima, Japan (Call Sign: JJY, Frequency: 40.0 kHz); Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz); Fort Collins, Colorado, the United States (Call Sign: WWVB, Frequency: 60.0 kHz); Shangqiu City, Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)

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E-29

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Page 8

Operation Guide 5423

Stopwatch: Measuring capacity: 23:59'59.95"

World Time: 29 cities (29 time zones) and Coordinated Universal Time

Other: Power Saving; Low Battery Alert; Auto Correction of Hand Home Positions Power Supply: Solar panel and one rechargeable battery

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Measuring unit: 1/20 second Measuring mode: Elapsed time, split time

Other: Standard Time/Daylight Saving Time (summer time); Home City/World Time

City swapping

Approximate battery operating time: 5 months (no exposure to light after a full charge; one signal reception of approximately 4 minutes per day)

City Code Table

City Code City UTC Offset/GMT Differential

PAGO PAGO (PPG) Pago Pago –11 HONOLULU (HNL) Honolulu –10 ANCHORAGE ( AN C) Anchorage –9 LOS ANGELES (LAX) Los Angeles –8 DENVER ( D E N) Denver –7 CHICAGO (CHI) Chicago –6 NEW YORK ( N YC ) New York –5 SANTIAGO (SCL) Santiago –4 RIO Rio De Janeiro –3 F. DE NORONHA (FEN) Fernando de Noronha –2 PRAIA (RAI) Praia –1 UTC LONDON (LON) London PARIS (PAR) Paris +1 ATHENS (ATH) Athens +2

L-2

x

Based on data as of December 2013.

x

The rules governing global times (UTC offset and GMT differential) and summer

time are determined by each individual country.

City Code Table

City Code City UTC Offset/GMT Differential

JEDDAH ( J E D) Jeddah +3 TEHRAN (THR) Tehran +3.5 DUBAI (DXB) Dubai +4 KABUL (KBL) Kabul +4.5 KARACHI (KHI) Karachi +5 DELHI (DEL) Delhi +5.5 DHAKA ( DA C) Dhaka +6 YANGON (RGN) Yangon +6.5 BANGKOK (BKK) Bangkok +7 HONG KONG (HKG) Hong Kong +8 TOKYO (TYO) Tokyo +9 ADELAIDE (ADL) Adelaide +9.5 SYDNEY (SYD) Sydney +10 NOUMEA (NOU) Noumea +11 WELLINGTON (WLG) Wellington +12

L-1

L-3

L-4