MA0908-EA
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Operation Guide 5089
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
c Minute Hand
v Left Dial Hand:
Indicates the current day of the week and current mode.
b 24-hour Hand:
Indicates the current 24-hour timekeeping hour.
The long end indicates the current hour between 18:00
and 6:00. The short end indicates the current hour
n Right Dial Hands: Indicate a time, in 24-hour format, depending on the current
m Day
between 6:00 and 18:00.
mode.
This User’s Guide uses numbers shown above to identify watch hands and indicators.
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”.
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To configure Home City settings” to configure 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
configure 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 “Configuring 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”.
NO
YES
x Second Hand.
The watch is charged sufficiently.
For details about charging, see
“Charging the Watch”.
Go to step 2.
YES
NEXT
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 •
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.
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.
Power Levels
You can get an idea of the watch’s power level by
observing the movement of the
Timekeeping Mode.
x Second Hand is moving normally at one-second
If the •
intervals, power is at Level 1.
x Second Hand is moving at two-second intervals,
If the •
power is at Level 2, which is quite low. Expose the watch
to light as soon as possible so it can charge.
Moves at two-second
intervals.
Level Hand Movement Function Status
1 Normal. All functions enabled
x Second Hand moves at two-second
2
intervals.
m Day changes to 1 (home position).
x Second Hand stopped.
3
z Hour Hand and c Minute Hand
stopped at 12 o’clock.
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
sufficiently 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.
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.
x Second Hand in the
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)
Indoor fluorescent 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 Specifications.
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
*1
48 minutes 8 hours – – –
x 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 “Configuring 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), Mainflingen (Germany)
HKG Shangqiu City (China)
TYO Fukushima (Japan), Fukuoka/Saga (Japan)
HNL, ANC, LAX, DEN, CHI, NYC Fort Collins, Colorado (United States)
The watch can receive the signal from the
transmitter located here:
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Operation Guide 5089
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Important!
The areas covered by • HNL and ANC are quite far from the calibration signal
transmitters, so certain 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.
Approximate Reception Ranges
UK and German Signals North American Signal
Anthorn
500 kilometers
1,500 kilometers
Inside a
vehicle
Mainflingen
Fukushima
1,000 kilometers
12 o’clock
or
Near
household
appliances,
office
equipment,
or a mobile
phone
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.
Near a
construction
site, airport,
or other
sources of
electrical
noise
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 influence 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.
Mainflingen (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
Confirm 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 2.
12 o’clock facing towards a window as shown in the nearby illustration. Make sure
there are no metal objects nearby.
Signal reception may be difficult or even impossible under the conditions •
described below.
Inside or
among
buildings
What you should do next depends on whether you are using Auto Receive or 3.
Manual Receive.
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 five 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 configuring settings.
2,000 miles
(3,000 kilometers)
600 miles
(1,000 kilometers)
Fort Collins
Changchun500 kilometers
1,500 kilometers
Near
high-tension
power lines
Beijing
Shangqiu
Shanghai
Chengdu
Hong Kong
Among
or behind
mountains
To perform manual receive
In the Timekeeping Mode, keep 1. A depressed (for about two seconds) as the
x 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).
The 2.
x Second Hand indicates the operations the watch is currently performing.
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 “Specifications”.
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. •
When the x Second
Hand is pointed here:
READY (R) Watch is setting up for reception.
WORK (W) Reception is in progress.
YES (Y)
NO (N) Reception failed for some reason.
If signal reception is unstable, the • x Second Hand
may move between WORK (W) and READY (R).
The receive operation is complete when the 3.
Hand moves to YES (Y) or NO (N) for about five
seconds, and then resumes regular timekeeping.
You can return to the Timekeeping Mode manually by •
pressing A while the
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.
To check the result of the latest receive operation
In the Timekeeping Mode, press A.
x Second Hand will move to YES (Y) for five
The •
seconds if the latest receive operation was successful,
or NO (N) if it was not. After that, regular timekeeping
will resume.
You can return to the Timekeeping Mode manually by •
pressing A while the
(Y) or NO (N).
Note
x Second Hand will indicate NO (N) if you have
The •
adjusted the time or date setting manually since the
latest receive operation.
It means this:
Reception was completed
successfully.
x Second
x Second Hand is pointing to
x Second Hand is pointing to YES
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 •
Configure Home City and daylight saving time (DST) settings •
Perform a time calibration receive operation •
Configure 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
under “To select a mode”.
To return to the Timekeeping Mode from any other
mode
Hold down C for about two seconds until the
Hand returns to 12 o’clock.
v Left Dial Hand as shown
Timekeeping Mode
World Time Mode
x Second
2
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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, MO, TU,
WE, TH, FR, SA).
Alarm Mode
The hand points to ALM.
C
v Left Dial Hand
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.
b 24-hour Hand:
Indicates the current 24-hour timekeeping hour. The
long end indicates the current hour between 18:00 and
6:00. The short end indicates the current hour between
6:00 and 18:00.
n Right Dial Hands:
Indicate the current time in the World Time City in
24-hour format.
m Day
Configuring 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 configure 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
five seconds) as 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.
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”. •
While you are selecting the Home City code, the •
whether the currently selected city code is configured for standard time (STD) or
daylight saving/summer time (DST).
Note that you cannot switch between • STD (standard time)/DST (daylight saving
time) while UTC is selected as your Home City.
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 configure Home City settings”.1.
Each time you select a city code, the •
b 24-hour Hand move to the current time for that city code. Do not perform the
next operation until these hands stop moving.
While you are selecting the Home City code, the •
whether the currently selected city code is configured 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).
Note that you cannot switch between • STD (standard time)/DST (daylight saving
time) while UTC is selected as your Home City.
This is the city code setting mode. •
To change the Home City setting, press 2. D to move the
x Second Hand clockwise.
Keep pressing • D until the
at the city code you want to select as your Home City.
Each time you change the city code setting, the •
Hour Hand,
m Day move to the current time and date for that city
code. Do not perform the next operation until these
hands stop moving.
Press 3. B to toggle the time for the currently selected
city code between STD (standard time)/DST (daylight
saving time).
After the setting is the way you want, press 3. A to return to the Timekeeping Mode.
x Second Hand goes through the
x Second Hand is pointing
c Minute Hand, b 24-hour Hand and
v Left Dial Hand will indicate
z Hour Hand, c Minute Hand, and
v Left Dial Hand will indicate
z
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.
Selecting some city codes makes it possible for the watch to receive the time •
calibration signal for the corresponding area automatically.
Coordinated Universal Time, the world-wide scientific standard of timekeeping. *
The reference point for UTC is Greenwich, England.
Configuring Current Time and Date Settings Manually
You can configure 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
five seconds) as 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.
v Left Dial Hand will indicate whether the
The •
currently selected city code is configured for standard
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 configure Home •
City settings”.
In the following steps, each press of • C cycles between settings as shown
below.
Home city/DST
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.
time (STD) or daylight saving/summer time (DST).
Press 3. C.
The • x Second Hand will move to 12 o’clock. This is
the time setting mode.
Use 4. D (+) and B (–) to change the time (hour and
minute) setting.
Each press of either button will move the hands •
(
z Hour Hand and c Minute Hand) one minute.
Holding down • D or B will start high-speed
Hand and
direction. To stop high-speed hand movement, press
any button.
b 24-hour Hand and z Hour Hand move in sync
The •
with each other.
When setting the time, make sure that the •
Hand indicates the proper a.m./p.m. hour.
x Second Hand to move automatically to 12 o’clock and
To change the current date setting manually
In the Timekeeping Mode, keep 1. A depressed (for
00
10
80
70
Setting the year (tens digit)
8
7
Setting the year (ones digit)
50
60
0
1
5
6
about five seconds) as the
through the following sequence.
Moves to • YES (or Y for some models) or NO (N)
20
to indicate the last signal reception result, then
to READY (R), and then to the city code of the
currently selected Home City.
3090
Press 2. C twice.
The •
40
of the current year 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.
2
The •
of the current year.
39
Press 5. D to move the
until it is pointing at the year ones digit you want
to select.
4
x Second Hand goes through the
Hour/Minute
Day Month
c Minute Hand movement in the applicable
Year
(tens digit)
Year
(ones digit)
z Hour
b 24-hour
x Second Hand goes
x Second Hand will move to the tens digit
x Second Hand will move to the ones digit
x Second Hand clockwise
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Operation Guide 5089
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Dec
Nov
Oct
Aug
Jul
Setting the month
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.
Jan
May
Jun
After you select the year ones digit, press 6. C.
x Second Hand will move to the currently
The •
selected month. This is the month setting
Feb
mode.
Use 7. D to move the
MarSep
month setting you want.
8. After the month setting is the way you want,
press C.
Apr
• The
x Second Hand will move to 12 o’clock,
and the watch will enter the day setting mode.
Use 9. D (+) and B (–) to change the
setting.
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
A to return to regular timekeeping.
This will cause the • x Second Hand to move
automatically to 12 o’clock and resume
movement from there.
The day of the week indicated by the •
Left Dial Hand changes automatically in
accordance with the date (year, month, and
day).
x Second Hand to the
m Day
v
Using the Stopwatch
The stopwatch measures elapsed time and split times.
Hand Functions
x Second Hand: Indicates the stopwatch 1/10-second
v Left Dial Hand: Indicates the stopwatch 1/100-second
n Right Dial Hands: Indicate the stopwatch minutes and
To perform elapsed time measurement
Use 1. C to move the
• 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.
To perform an elapsed time operation •
B
Start Stop (Restart) (Stop) Reset
B
To pause at a split time
D
B
Start Split Stop Reset
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
defined 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.
x Second Hand indicates the 1/10-second count for the first 30 seconds of
The •
a stopwatch elapsed time operation. After that, the hand stops at 0. 1/10-second
timing continues internally after the first 30 seconds, and the
jump to the current value whenever B (Stop) or D (Split) is pressed.
Though the •
operation is in progress, the watch keeps track of the 1/100-second count
internally. The
whenever you stop the stopwatch or perform a split time operation.
Normal stopwatch hand movement will
resume automatically after five seconds.
v Left Dial Hand is stopped while an elapsed time measurement
v Left Dial Hand will jump to the current 1/100-second reading
count.
count.
seconds.
v Left Dial Hand to 0.
B B
D
B
D
x Second Hand will
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. Each time zone has a “city code”, which is a three-letter
abbreviation of a representative city in the zone. The representative city of the time
zone 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
v Left Dial Hand: Indicates the current STD (standard
n Right Dial Hands: Indicate the current time in the
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
World Time City.
n Right Dial Hands will move to the current time in the currently selected
The •
World Time City. At this time, the
to indicate the current time in the Home City.
For full information on city codes, see the “City Code Table”. •
If you think that the time indicated for the selected World Time City is not correct, •
it probably means that there is something wrong with your Home City settings.
Use the procedure under “To configure Home City settings” to correct the Home
City settings.
v Left Dial Hand to STD or DST.
x Second Hand to the city code you want to select as the
To specify standard time or daylight saving time (DST) for a time zone
In the World Time Mode, use 1. D to select the city code
for the time whose setting you want to change.
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.
Hold down 2. A for about two seconds until the watch
beeps. This will cause the v Left Dial Hand to toggle
between DST (daylight saving time) and STD (standard
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
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 •
to NYC in order to select New York as the World
Time City.
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.
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 •
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.
Time City.
time) or DST (daylight saving time)
setting of the currently selected World
Time City.
selected World Time City in 24-hour
format.
z Hour Hand and c Minute Hand will continue
n Right Dial Hands complete their
Tokyo
New York
9:08 a.m.
(Daylight saving time)
Tokyo
10:08 p.m.
(Standard time)
x Second Hand
n Right Dial Hands complete their
n Right Dial Hands will indicate the current time
4
Operation Guide 5089
> 6
@
B +
* 6> 5
@
B +
* 6
@
> 6
5
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
v Left Dial Hand: Points to ALM.
n Right Dial Hands: Indicate the current alarm time
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
indicate the current ON/OFF setting.
To stop the alarm
Press any button.
v Left Dial Hand to ALM.
setting.
setting in 24-hour format.
n Right Dial Hands one minute.
x Second Hand will
Adjusting Home Positions
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.
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
Hold down 1. C for about two seconds until the
Hand stops and then starts moving again.
Hold down 2. D for about three seconds.
The •
x Second Hand will start to move when you first
press D. Keep D depressed until the
Hand stops.
The watch is now in the home position adjustment •
mode.
The watch will exit the home adjustment mode •
automatically if you do not perform any operation for
about two or three minutes.
x Second Hand home position adjustment.
First is •
x Second Hand moves to 12 o’clock, it is in the
If the •
correct home position. If 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.
x Second
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.
The •
n 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.
z Hour/ c Minute/ b 24-hour
After confirming that the 3.
home position, press C. This will switch to
c Minute Hand home position adjustment.
Hand and
z Hour Hand and c Minute Hand are at their
The •
proper home positions if they both move to 12 o’clock.
b 24-hour Hand also will move along with
The
z 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.
After confirming that the 4.
Hand are in their correct home positions, press C.
This will switch to
adjustment.
n Right Dial Hands home position
n Right Dial Hands
v Left Dial Handm Day
x Second Hand is at the proper
z Hour Hand and c Minute
x Second
x Second
z Hour
After confirming that the 5. n Right Dial Hands are in the
correct home position, press C. This will advance to
v Left Dial Hand home position adjustment.
v Left Dial Hand is in the correct home position if
The •
it is pointing at 12 o’clock. If it isn’t, use D (+) and B
(–) to move it to 12 o’clock.
After confirming that the 6.
correct home position, press C. This will advance to
day home position adjustment.
m Day is in the correct home position if it shows
The •
1. If it doesn’t, use D (+) and B (–) to change the
day to 1.
Press 7. A to return to the Timekeeping Mode.
m Day moves to the current day, and then the z Hour Hand and the
The •
c Minute Hand will move to the current time. Wait until everything stops moving.
v Left Dial Hand is in the
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.
x 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.
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 configure 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
one hour off from the actual time in the selected World Time City.
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
is off.
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
The
returns to moving at two-second intervals.
The watch probably is not sufficiently charged yet. Continue keeping it exposed to
light.
x Second Hand starts moving normally (at one-second intervals).
x Second Hand starts to move at one-second intervals, but then suddenly
n Right Dial Hands in the World Time Mode is
n Right Dial Hands in the World Time Mode
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.
x Second Hand indicates NO (N) when I check the result of the latest
The
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.
Keep the watch in an area where reception
conditions are good while the signal receive
operation is being performed.
See “Approximate Reception Ranges”.
x Second Hand starts moving
Check the website of the organization that •
maintains the time calibration signal in your
area for information about its down times.
Try again later. •
5
Operation Guide 5089
The current time setting changes after I set it manually.
You may have the watch configured 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.
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.
There is not enough power for signal
reception.
Signal reception is being performed successfully, but the time and/or day is
wrong.
Possible Cause Remedy
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.
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.
Check your Home City setting and correct it,
if necessary.
Adjust the watch’s hand and day home
positions.
Specifications
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:
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
Alarm: Daily alarm
Other: Power Saving
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)
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
Mainflingen, 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 swapping
City Code Table
City
City
Code
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
RAI Praia –1
UTC
LON London
PAR Paris +1
ATH Athens +2
• 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
–2
0
City
City
Code
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
UTC Offset/
GMT Differential
6
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