Casio MA0911 -EB User Manual

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MA0911 -EB

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Operation Guide 5083 (OC)

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 this product or its malfunction.

About This Manual

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

Hand Functions

z Hour Hand x Second Hand

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c Minute Hand v Left Dial Hand: Indicates the current day of the week and current mode. b Right Dial Hands: Indicate a time, in 24-hour format, depending on the current

n Day

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

mode.

Things to check before using the watch

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 at 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”.

Second Hand.

YES

The watch is charged sufﬁ ciently. For details about charging, see “Charging the Watch”.

Go to step 2.

YES

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

Use the procedure under “To conﬁ gure Home City settings” 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.

 To set the time using a time calibration signal

See “To get ready for a receive operation”.

 To set the time manually

See “Conﬁ guring Current Time and Date Settings Manually”.

The watch is now ready for use.

For details about the watch’s radio controlled timekeeping feature, see “Radio Controlled Atomic  Timekeeping”.

Charging the Watch

The face of the watch is a solar cell 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

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.

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

Important!



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. 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.

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

Best charging performance



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

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

The watch may enter a sleep



state if its face is blocked by your sleeve even only partially.

Power Levels

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

Second Hand in the Timekeeping Mode.

If the 

Second Hand is moving normally at one-second intervals, power is at

Level 1. If the



Second Hand is moving at two-second intervals, power is at Level 2,

which is quite low. Expose the watch to light as soon as possible so it can

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Moves at two-second intervals.

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 normal 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.

Power Recovery Mode

The watch is designed to go into a power recovery mode that stops hand operation temporarily whenever power suddenly drops below a certain level due to overuse of the alarm tone over a short period. Note that all operations are disabled while the watch is in the power recovery mode. The hands will move to the correct positions and the watch will resume normal operation after power recovers (in about 15 minutes). Putting the watch in a location where it is exposed to light will help power to recover sooner.

charge.

Level Hand Movement Function Status

1 Normal. All functions enabled

Second Hand moves at two-second

intervals.

Day changes to 1 (home position).

Second Hand stopped.

z Hour Hand and c Minute Handstopped at 12 o’clock.

Beeper, time calibration signal reception disabled

All functions disabled

Charging Times

Exposure Level (Brightness)

Outdoor sunlight (50,000 lux) 8 minutes 2 hours 23 hours

Window sunlight (10,000 lux) 30 minutes 6 hours 90 hours

Window sunlight on cloudy day (5,000 lux) 48 minutes 8 hours – – –

Indoor ﬂ uorescent lighting (500 lux) 8 hours 92 hours – – –

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

The above times are for reference only. Actual times depend on lighting conditions.



For details about the operating time and daily operating conditions, see the “Power Supply” section of the  Speciﬁ cations.

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.

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)

The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep state  when 6:00 AM arrives, however, it will remain in the sleep state.



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

To recover from the sleep state

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

Daily Operation

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

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

Level Change *2

Level 3 Level 2 Level 1

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” 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.

If your Home City Code setting is this:

LON, PAR, ATH Anthorn (England), Mainﬂ ingen (Germany)

HKG Shangqiu City (China)

TYO Fukushima (Japan), Fukuoka/Saga (Japan)

HNL, ANC, LAX, DEN, CHI, NYC Fort Collins, Colorado (United States)

Important!

 HNL and ANC are quite far from the calibration signal transmitters, so certain

The areas covered by conditions may cause reception problems. When

 HNL or 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” for information about how to do this.

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

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Operation Guide 5083 (OC)

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Approximate Reception Ranges

UK and German Signals North American Signal

Anthorn

500 kilometers

1,500 kilometers

The Anthorn signal is receivable within this area.

Japanese Signal Chinese Signal

500 kilometers

Fukuoka/Saga

Even when the watch is within range of a transmitter, signal reception may be impossible due to the effects  of geographic contours, structures, weather, the time of year, the time of day, radio interference, etc. The signal becomes weaker at distances of approximately 500 kilometers, which means that the inﬂ uence of the above conditions becomes even greater. 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) −

As of January 2009, 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.

To get ready for a receive operation

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

The antenna of this watch is located on its 12 o’clock side. Position the watch with 12 o’clock facing towards 2. a window as shown in the nearby illustration. Make sure there are no metal objects nearby.

Fukushima

12 o’clock

Mainﬂ ingen

1,000 kilometers

Signal reception normally is better at night.  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. Signal reception may be difﬁ cult or even impossible under



the conditions described below.

2,000 miles (3,000 kilometers)

600 miles (1,000 kilometers)

Fort Collins

Changchun500 kilometers

1,500 kilometers

Beijing

Shangqiu Shanghai Chengdu Hong Kong

To check the result of the latest receive operation

In the Timekeeping Mode, press A.

The

x Second Hand will move to YES (Y) for ﬁ ve seconds if the latest receive

operation was successful, or NO (N) if it was not. After that, normal timekeeping will resume. You can return to the Timekeeping Mode manually by pressing

 A while the

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Radio-controlled Atomic Timekeeping Precautions



Strong electrostatic charge can result in the wrong time setting. Even if a receive operation is successful, certain conditions can cause the time setting to be off by up to  one second. 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. If you are in an area where signal reception is not possible, the watch keeps time with the precision noted



in “Speciﬁ cations”. The receive operation is disabled under any of the following conditions. 

While power is at Level 2 or lower − While the watch is in the power recovery mode − When the watch is in the function sleep state (“Power Saving”) −

A receive operation is cancelled if an alarm sounds while it is being performed. 

Second Hand is pointing to YES (Y) or NO (N).

Note

x Second Hand will indicate NO (N) if you have adjusted the time or date

The setting manually since the latest receive operation.

Mode Reference Guide

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

To do this: Enter this mode:

View the current time in your Home City and in one of 29 other cities around the globe  View the current date in the Home City  Conﬁ gure Home City and daylight saving time (DST) settings  Perform a time calibration receive operation  Conﬁ gure time and date settings manually 

Use the stopwatch to measure elapsed time Stopwatch Mode

Select one of 29 cities (time zones) around the world and view the current time there  Select daylight saving/summer time (DST) or standard time for a time zone 

Set an alarm time Alarm Mode

Selecting a Mode

With this watch, everything starts from the Timekeeping Mode.

To determine the watch’s current mode

Check the position of the v Left Dial Hand as shown under “To select a mode”.

To return to the Timekeeping Mode from any other mode

Except while the watch is performing auto hand home position correction, hold down C for about two seconds until the

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Second Hand returns to 12 o’clock.

Timekeeping Mode

World Time Mode

Inside or among buildings

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

Auto Receive: Leave the watch over night in the location you selected in step 2. See “Auto Receive” for  details. Manual Receive: Perform the operation under “To perform manual receive”. 

Auto Receive



With Auto Receive, the watch performs the receive operation each day automatically up to six times (up to ﬁ ve times for the Chinese calibration signal) 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. 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 guring settings.

To perform manual receive

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

Moves to

 YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to

READY (R).

The 2.

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 hightension power lines

Second Hand indicates the operations the watch is currently performing.

When the x Second Hand is pointed here:

READY (R) Watch is setting up for reception.

WORK (W) Reception is in progress.

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YES (Y) Reception was completed successfully.

NO (N) Reception failed for some reason.

If signal reception is unstable, the  WORK (W) and READY (R).

The receive operation is complete when the 3. or NO (N) for about ﬁ ve seconds, and then resumes normal timekeeping.

You can return to the Timekeeping Mode manually by pressing

 A while the

Second Hand is pointing to YES (Y) or NO (N).

When the receive operation is successful, the watch adjusts the time setting  accordingly. It does not adjust the setting if the operation failed.

Note



To interrupt a receive operation and return to the Timekeeping Mode, press any button.

It means this:

Second Hand may move between

Second Hand moves to YES (Y)

Among or behind mountains

Second Hand goes through

To select a mode

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

Timekeeping Mode Stopwatch Mode

The hand indicates the day of the week (SU, MO, TU, WE, TH,

FR, SA).

Alarm Mode

The hand points to ALM.

The hand points to 0.

World Time Mode

The hand points to STD or DST.

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.

Hand Functions

z Hour Hand x Second Hand c Minute Hand v Left Dial Hand: Indicates the day of the week.

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b Right Dial Hands: Indicate the current time in the World Time City in 24-hour

n Day

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Operation Guide 5083 (OC)

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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

This watch does not have a city code that corresponds to Newfoundland. 

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

Second Hand goes through the following sequence.

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Press 3. B to toggle the time for the currently selected city code between STD (standard time)/DST (daylight saving time).

While you are selecting the Home City code, the



selected city code is conﬁ gured for standard time (STD) or daylight saving/summer time (DST).

 STD (standard time)/DST (daylight saving time) while UTC is

Note that you cannot switch between selected as your Home City.

Moves to  YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to READY (R), and then to the city code of the currently selected Home City. This is the city code setting mode.



The watch will exit the setting mode automatically if you do not perform any  operation for about two or three minutes. For details about city codes, see the “City Code Table”.



To change the Home City setting, press 2. D to move the x Second Hand clockwise.

Keep pressing

 D until the x Second Hand is pointing at the city code you

want to select as your Home City. Each time you change the city code setting, the



Hand and perform the next operation until these hands stop moving.

Day move to the current time and date for that city code. Do not

Left Dial Hand will indicate whether the currently

Hour Hand, c Minute

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

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

Perform the step 1 under “To conﬁ gure Home City settings”.1.



Each time you select a city code, the city code. Do not perform the next operation until these hands stop moving. While you are selecting the Home City code, the



selected city code is conﬁ gured for standard time (STD) or daylight saving/summer time (DST).

Press 2. B to toggle the time for the city code of the currently selected Home City between STD (standard time)/DST (daylight saving time).

 STD (standard time)/DST (daylight saving time) while UTC is

Note that you cannot switch between selected as your Home City.

Hour Hand and c Minute Hand move to the current time for that

Left Dial Hand will indicate whether the currently

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

Note



After you specify a city code, the watch will use UTC* offsets to calculate the World Time based on the current time in your Home City.

Coordinated Universal Time, the world-wide scientiﬁ c standard of timekeeping. The reference point for * UTC is Greenwich, England.

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



signal for the corresponding area. See “Radio Controlled Atomic Timekeeping” for details.

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

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

Second Hand goes through the following sequence.

Moves to  YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to READY (R), and then to the city code of the currently

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selected Home City. The

v Left Dial Hand will indicate whether the currently selected city code is

conﬁ gured for standard time (STD) or daylight saving/summer time (DST).

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



For details about these settings, see steps 2 and 3 under “To conﬁ gure Home City settings”. In the following steps, each press of  C cycles between settings as shown below.

Home city/DST Hour/Minute

Day Month

Press 3. C.

The v Left Dial Hand will move to 12 o’clock. This is the time setting mode. The x Second Hand indicates whether the current time is a.m. (A) or p.m. (P).

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



Each press of either button will move the hands ( Hand) one minute. Holding down

 D or B will start high-speed z Hour Hand and c Minute

Hand movement in the applicable direction. To stop high-speed hand movement, press any button. When setting the time, make sure that the



indicating A (a.m.) or P (p.m.) for the time you are setting. 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”.

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



This will cause the resume movement from there.

Second Hand to move automatically to 12 o’clock and

Hour Hand and c Minute

Second Hand is correctly

(tens digit)

(ones digit)

Year

To change the current date setting manually

Oct

Aug

Setting the year (tens digit)

Setting the year (ones digit)

Nov

Jul

Setting the month

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Dec

Jan

May

Jun

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

Second Hand goes through the following sequence.

Moves to  YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to READY (R), and then to the city code of the currently selected Home City.

Press 2. C twice.

x Second Hand will move to the tens digit of the current year

The

3090

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



Press 3. D to move the x Second Hand clockwise until it is pointing at the year tens digit you want to select.

After you select the year tens digit, press 4. C.

The

x Second Hand will move to the ones digit of the current year.

Press 5. D to move the

the year ones digit you want to select. After you select the year ones digit, press 6. C.

x Second Hand will move to the currently selected month. This

The is the month setting mode.

Second Hand clockwise until it is pointing at

Use 7. D to move the x Second Hand to the month setting you want.

8. After the month setting is the way you want, press C.

 The x Second Hand will move to 12 o’clock, and the watch will enter

Feb

the day setting mode.

MarSep

Apr

Use 9. D (+) and B (–) to change the

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”.

10.

After the settings are the way you want, press timekeeping.

This will cause the



resume movement from there. The day of the week indicated by the



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

Note

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.

Second Hand to move automatically to 12 o’clock and

Day setting.

A to return to regular

Left Dial Hand changes automatically

Using the Stopwatch

The stopwatch measures elapsed time and split times.

Hand Functions

x Second Hand: Indicates the stopwatch 1/10-second count. v Left Dial Hand: Indicates the stopwatch 1/100-second count. b Right Dial Hands: Indicate the stopwatch minutes and seconds.

To perform elapsed time measurement

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To perform an elapsed time operation

Start Stop (Restart) (Stop) Reset

To pause at a split time

Start Split Stop Reset

Use 1. C to move the v Left Dial Hand to 0.

 This indicates the Stopwatch Mode.

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

 You will not be able to perform any stopwatch operation while the hands are

moving to their initial positions after you enter the Stopwatch Mode.

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

B B

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Operation Guide 5083 (OC)

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Note

The Stopwatch Mode can indicate elapsed time up to 23 minutes, 59.99 seconds.



In the following cases, the hands of the watch are moving, so pressing  D or B will not perform any stopwatch operation.

While the hands are moving to elapsed timekeeping after you enter the Stopwatch Mode

−

While the watch is changing dates at midnight −

Once started, stopwatch timing continues until you press  B to stop it, even if you exit the Stopwatch Mode to another mode or timing reaches the stopwatch limit deﬁ ned above. Whenever you enter the Stopwatch Mode, the hands of the watch move to their initial Stopwatch Mode



positions. If you did not reset the stopwatch the last time you used it, the hands will return to the positions they were in the last time you exited the Stopwatch Mode. The

x Second Hand indicates the 1/10-second count for the ﬁ rst 30 seconds of a stopwatch elapsed time

operation. After that, the hand stops at 0. 1/10-second timing continues internally after the ﬁ rst 30 seconds, and the

Second Hand will jump to the current value whenever B (Stop) or D (Split) is pressed.

Though the  watch keeps track of the 1/100-second count internally. The 1/100-second reading whenever you stop the stopwatch or perform a split time operation.

Left Dial Hand is stopped while an elapsed time measurement operation is in progress, the

Left Dial Hand will jump to the current

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

x Second Hand: Indicates the currently selected World Time City. v Left Dial Hand: Indicates the current STD (standard time) or DST (daylight

b Right Dial Hands: Indicate the current time in the selected World Time City in

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For full information on city codes, see the “City Code Table”.



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 gure Home City settings” to correct the Home City settings.

To view the time in another time zone

Use 1. C to move the

This indicates the World Time Mode. 

Use 2. D to move the x Second Hand to the city code you want to select as the World Time City.

The

b Right Dial Hands will move to the current time in the time zone of the

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

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

In the World Time Mode, use 1. D to select the city code whose setting you want to change.

Wait until the



currently selected World Time City. You will not be able to perform step 2 of

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Hold down A for two seconds

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.

The following example shows what happens when the Home City and World Time City are swapped while the Home City originally is TYO (Tokyo) and the World Time City is NYC (New York).

Before swapping

After swapping

this procedure until the hands stop moving.

Hold down 2. A for about two seconds until the watch beeps. This will cause the (standard time).

Note that you cannot switch between

 STD (standard time)/DST (daylight

saving/summer time) while UTC is selected as the World Time City. Note that the

 STD (standard time)/DST (daylight saving/summer time)

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

Home City World Time City

10:08 p.m.

(Standard time)

New York 9:08 a.m.

(Daylight saving time)

To swap your Home City and World Time City

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



In this example, you would move the New York as the World Time City. Wait until the



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

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Hold down 2. B for about three seconds until the watch beeps.

This will make the World Time City (  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 (TYO in this example) to your World Time City. After swapping the Home City and World Time City, the watch will stay in the



World Time Mode. The x Second Hand will point to your new World Time City (TYO in this example). The

b Right Dial Hands will indicate the current time in your new World Time

City.

Note



If your current World Time City supports time calibration signal reception, making it your Home City enables calibration signal reception for that city.

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saving time) setting of the currently selected time zone.

24-hour format.

Left Dial Hand to STD or DST.

Hour Hand and c Minute Hand will

Right Dial Hands complete their move to the time in the

Left Dial Hand to toggle between DST (daylight saving time) and STD

Tokyo

Right Dial Hands complete their move to the time in the

New York 9:08 a.m.

(Daylight saving time)

Tokyo

10:08 p.m.

(Standard time)

Second Hand to NYC in order to select

Using the Alarm

When the alarm is turned on, an alarm will sound for about 10 seconds each day when the time in the Timekeeping Mode reaches the preset alarm time. This is true even if the watch is not in the Timekeeping Mode.

Hand Functions

x Second Hand: Indicates the current alarm ON/OFF setting. v Left Dial Hand: Points to ALM. b Right Dial Hands: Indicate the current alarm time setting in 24-hour format.







To change the alarm time setting

Use 1. C to move the

This indicates the Alarm Mode. 

Use 2. D (+) and B (–) to change the alarm time setting.

Each press of either button will move the  Holding down  D or B will start high-speed hand movement in the applicable direction. To stop high- speed hand movement, press any button. The alarm always works based on the time kept in the Timekeeping Mode.



The watch will return to the Timekeeping Mode automatically if you do not perform any operation in the  Alarm Mode for about two or three minutes.

To turn the alarm on or off

In the Alarm Mode, press A to toggle the alarm on and off. The OFF setting.

To stop the alarm

Press any button.

Left Dial Hand to ALM.

Right Dial Hands one minute.

Second Hand will indicate the current ON/

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.

Auto correction is performed in the Timekeeping Mode only.  Auto correction corrects the positions of the  dial hands and day, you must perform the manual adjustment procedure under “Adjusting Home Positions Manually”. Each hour, the watch performs automatic correction of the hand positions from –55 minutes to +5 minutes.



You also can trigger auto correction of hand home positions manually, if you want. See “To trigger auto  correction of hand home positions” for more information. Auto correction of hand home positions can take up to three and a half minutes to complete.  If hand positions are off by one hour or more, correct them using the procedure under “To trigger auto  correction of hand home positions” or “Adjusting Home Positions Manually”.

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

To trigger auto correction of hand home positions

Perform the following procedure when the time setting is off.



In the Timekeeping Mode, hold down D for about six seconds until the x Second Hand completes one full revolution.

Though the











you hold down D, do not release the button yet. Wait until the completes a full revolution before you release D. To interrupt an ongoing correction operation and return to the Timekeeping Mode, press D again. 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”. If this happens, press A to return to the Timekeeping Mode and then perform the above operation again. Manually triggered auto correction of hand home positions performs the following two steps.

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

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

Second Hand will stop momentarily about three seconds after

Second Hand

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.

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



You also can use auto correction of the hand home positions to correct the home positions of the  Hand,

Minute Hand, and x Second Hand.

Note

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.

To adjust home positions manually







Second

Day

Hold down 1. C for about two seconds until the starts moving again.

Hold down 2. D for about three seconds.

x Second Hand will start to move when you ﬁ rst press D. Keep D

The depressed until the The watch is now in the home position adjustment mode.



The watch will exit the adjustment mode automatically if you do not perform  any operation for about two or three minutes. First is  If the  it doesn’t, use D to move it to 12 o’clock. Each press of

 C in the home position adjustment mode will cycle through the

adjustment settings as shown below.

Second Hand stops.

Second Hand home position adjustment.

Second Hand moves to 12 o’clock, it is in the correct home position. If

Hour/ c Minute

Second Hand stops and then

Right Dial Hands

Left Dial Hand

Hour

Page 5

Operation Guide 5083 (OC)

6> *

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.













After conﬁ rming that the 3. C. This will switch to adjustment.

The

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

they both move to 12 o’clock. If the hands are not positioned correctly, use D (+) and B (–) to move them to their proper home positions.

After conﬁ rming that the 4. home positions, press C. This will switch to adjustment.

The

b Right Dial Hands are at their proper home positions if they both move

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

After conﬁ rming that the 5. press C. This will advance to

v Left Dial Hand is in the correct home position if it is pointing at 12

The o’clock. If it isn’t, use D (+) and B (–) to move it to 12 o’clock.

After conﬁ rming that the 6. C. This will advance to day home position adjustment.

The

n Day is in the correct home position if it shows 1. If it doesn’t, use D (+)

and B (–) to change the day to 1.

Press 7. A to return to the Timekeeping Mode.

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

The

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

moving.

Second Hand is at the proper home position, press

Hour Hand and c Minute Hand home position

Hour Hand and c Minute Hand are in their correct

Right Dial Hands are in the correct home position,

Left Dial Hand is in the correct home position, press

Right Dial Hands home position

Left Dial Hand home position adjustment.

Troubleshooting

Hand Movement and Position

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

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

■ The

Second Hand is moving at two second intervals.

■ 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 intervals.

■ 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.

The watch is recovering from a sleep state.



The time setting is being adjusted following a successful auto time calibration signal receive operation.  The watch is returning to the Timekeeping Mode automatically from the Alarm Mode. 

■ Hands suddenly stop moving. Button operation also is disabled.

The watch may be in the power recovery mode. Do not perform any operation until the hands return to their normal positions (in about 15 minutes). The hands should return to their correct positions when power recovers. To help power recover, leave the watch in a location where it is exposed to light.

■ 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.

■ 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”. If you are using 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/summer time) setting manually. Use the procedure under “To toggle the Home City time between standard time and daylight saving time” 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.

World Time Mode

■ The World Time indicated by the actual time in the selected time zone.

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

■ The World Time indicated by the

Your Home City settings may be wrong. Check your Home City settings and correct them, if necessary.

Charging

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

This can happen after the power level drops to Level 3. Continue exposing the watch to light until the Second Hand starts moving normally (at one-second intervals).

■ The

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.

Right Dial Hands in the World Time Mode is one hour off from the

Right Dial Hands in the World Time Mode is off.

Time Calibration Signal

The information in this section applies only when LON, PAR, ATH, HNL, ANC, LAX, DEN, CHI, NYC, HKG, or TYO is selected as the Home City. You need to adjust the current time manually when any other city is selected as the Home City.

■ The

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

Possible Cause Remedy

You are wearing or moving the watch, or performing a 

button operation during the signal receive operation.

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.

■ 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, 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.

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.

Try again later. 

■ The current time setting is off by one hour.

Possible Cause Remedy

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

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/ summer time) setting manually.

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

Possible Cause Remedy

The watch is in the Stopwatch Mode.

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

There is not enough power for signal reception. Expose the watch to light to charge it.

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.

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

Possible Cause Remedy

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

The watch may have 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 positions.

Speciﬁ cations

Accuracy at normal temperature: ± 15 seconds a month (with no signal calibration) Timekeeping: Hour, minutes (hand moves every 10 seconds), seconds, day, day of the week

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 Universal Time); Daylight

Saving Time (summer time) / Standard Time

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

Receivable Time Calibration Signals:

Stopwatch: Measuring capacity: 23’59.99”

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

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

Alarm: Daily alarm Other: Power Saving; Auto Correction of Hand Home Positions Power Supply: Solar cell and one rechargeable battery

Approximate battery operating time: 5 months (no exposure to light after a full charge; 10 seconds alarm beeper operation and one signal reception of approximately 4 minutes per day)

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)

Measuring unit: 1/100 second Measuring mode: Elapsed time, split time

City Code Table

City Code City

PPG Pago Pago –11 HNL Honolulu –10

ANC Anchorage –9

LAX Los Angeles –8 DEN Denver –7

CHI Chicago –6 NYC New York –5 SCL Santiago –4

RIO Rio De Janeiro –3 FEN Fernando de Noronha –2

RAI Praia –1 UTC LON London PAR Paris +1 ATH Athens +2 JED Jeddah +3 THR Tehran +3.5 DXB Dubai +4 KBL Kabul +4.5

KHI Karachi +5 DEL Delhi +5.5

DAC Dhaka +6 RGN Yangon +6.5

BKK Bangkok +7

HKG Hong Kong +8

TYO Tokyo +9 ADL Adelaide +9.5 SYD Sydney +10

NOU Noumea +11 WLG Wellington +12

  Based on data as of December 2008.   The rules governing global times (GMT differential and UTC offset) and summer time are determined by

each individual country.

UTC Offset/

GMT Differential