Page 1
MA1512-EA
© 2015 CASIO COMPUTER CO., LTD.
Operation Guide 5481
About This Manual
x Depending on the model of your watch, display text
appears either as dark fi gures on a light background, or
light fi gures on a dark background. All sample displays
in this manual are shown using dark fi gures on a light
background.
x Button operations are indicated using the letters shown
in the illustration.
x Note that the product illustrations in this manual are
intended for reference only, and so the actual product
may appear somewhat different than depicted by an
illustration.
E-2
Contents
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2
Things to check before using the watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3
Mode Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-8
Timekeeping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-15
Confi guring Home City Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-16
To confi gure Home City settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-16
To change the Daylight Saving Time (summer time) setting . . . . . . . . . . . . . . E-18
Adjusting the Digital Time and Date Settings . . . . . . . . . . . . . . . . . . . . . . . . . E-19
To confi gure the digital time and date settings . . . . . . . . . . . . . . . . . . . . . . . . E-19
E-4
Congratulations upon your selection of this CASIO watch.
To ensure that this watch provides you with the years of service for which it is
designed, carefully read and follow the instructions in this manual, especially the
information under “Operating Precautions” and “User Maintenance”.
Be sure to keep all user documentation handy for future reference.
E-1
Things to check before using the watch
1. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To confi gure Home City settings” (page E-16) to confi gure
your Home City and daylight saving time settings.
Important!
x Proper World Time Mode data depend on correct Home City, time, and date
ENGLISH
settings in the Timekeeping Mode. Make sure you configure these settings
correctly.
2. Set the current time.
x See “Adjusting the Digital Time and Date Settings” (page E-19).
The watch is now ready for use.
Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-23
Checking the Current Time in a Different Time Zone . . . . . . . . . . . . . . . . . . .E-24
To enter the World Time Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-25
To view the time in another time zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-25
To specify standard time or daylight saving time (DST) for a city . . . . . . . . . . . E-26
To swap your Home City and World Time City . . . . . . . . . . . . . . . . . . . . . . . . E-27
Using the Stopwatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-28
To enter the Stopwatch Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-28
To perform an elapsed time operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-29
To pause at a split time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-29
To measure two fi nishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-29
E-3
E-5
Countdown Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-33
To enter the Countdown Timer Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-33
To confi gure the countdown timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-34
To perform a countdown timer operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-35
To stop the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-35
Using the Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-36
To set an alarm time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-36
To test the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-38
To turn an alarm and the Hourly Time Signal on and off . . . . . . . . . . . . . . . . . E-38
To stop the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-39
Illumination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-40
To illuminate the face . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-40
To change the illumination duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-40
E-6
Mode Reference Guide
The mode you should select depends on what you want to do.
To do this: Enter this mode: See:
x View the current date in the Home City
x Confi gure Home City and daylight saving time (DST)
settings
x Confi gure time and date settings
x Start stopwatch elapsed time measurement while in
the Timekeeping Mode
Count objects Counter Mode E-23
View the current time in one of 48 cities
(31 time zones) around the globe
Use the stopwatch to measure elapsed time Stopwatch Mode E-28
Use the countdown timer Countdown Timer Mode E-33
Set an alarm time Alarm Mode E-36
Timekeeping Mode
World Time Mode E-24
E-15
Adjusting Hand Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-42
Button Operation Tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-44
To turn the button operation tone on and off . . . . . . . . . . . . . . . . . . . . . . . . . E-44
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-46
Main Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-47
Specifi cations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-48
Operating Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-50
User Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-61
E-7
E-9E-8
Page 2
Operation Guide 5481
Selecting a Mode
x Press C to cycle between the modes as shown below.
x To return to the Timekeeping Mode from any other mode, hold down C for about
two seconds.
x In any mode (except a setting mode), press B to illuminate the display.
Timekeeping Mode World Time Mode Counter Mode
Stopwatch Mode Countdown Timer Mode Alarm Mode
CC C
E-10
General Functions (All Modes)
The functions and operations described in this section can be used in all of the
modes.
x Scrolling
The B and D buttons are used on the setting mode to scroll through data on the
display. In most cases, holding down these buttons during a scroll operation scrolls
through the data at high speed.
Moving the Hands Out of the Way for Better Viewing
You can use the procedure below to temporarily move the hour and minute hands
out of the way to better view what is on the display.
1. While holding down B, press C.
x This will cause the hour and minute hands to move to a location where they do
not block your view of the digital display.
E-12
Note
x This operation can be performed in any mode. In the case of a setting mode
(setting fl
ashing on the screen), the hands will move out of the way automatically,
even if you do not perform the above operation.
x Watch button functions are the same regardless of whether the hands are move
out of the way or at their normal positions.
x Changing to another mode will cause the hands to move back to their normal
positions.
x The hands also will move back to their normal positions automatically if no
operation is performed for about one hour.
C C
C
E-11
Example: When the current time is 8:20
2. Holding down B again as you press C will cause the hands to return to their
normal positions (normal timekeeping).
Flashes while the hands are moved out of the way.
E-13
Timekeeping
Month-Day
Minutes
Hour
Use the Timekeeping Mode to set and view the current
time and date.
x Each press of A cycles the digital display contents as
shown below.
Month-Day PM indicator
A
Hour : Minutes
E-14
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
1. In the Timekeeping Mode, hold down A until ADJ
appears.
x This indicates the city code setting mode.
x The hour and minute hands automatically move out of
the way at this time (page E-12).
2. Press D (East) and B (West) to select the city code
you want to use as your Home City.
City Code
E-16
To change the Daylight Saving Time (summer time) setting
DST indicator
E-18
x Keep pressing D or B until the city code you want
to select as your Home City appears on the display.
x For details about city codes, see the “City Code
Table” at the back of this manual.
1. In the Timekeeping Mode, hold down A until ADJ
appears.
x This indicates the city code setting mode.
x The hour and minute hands automatically move out of
the way at this time (page E-12).
2. Press C to display the DST setting mode.
3. Press D to toggle between Daylight Saving Time (ON)
and Standard Time (OFF).
x Note that you cannot switch between daylight saving
time and standard time while UTC is selected as your
Home City.
4. After the setting is the way you want, press A to
return to the Timekeeping Mode.
x The DST indicator appears to indicate that Daylight
Saving Time is turned on.
Mode
Day of the week
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.
* Coordinated Universal Time, the world-wide scientifi c standard of timekeeping.
The reference point for UTC is Greenwich, England.
SecondsDay of the week
E-15
E-17
Adjusting the Digital Time and Date Settings
Use the procedure below to adjust the digital time and date settings.
To confi gure the digital time and date settings
1. In the Timekeeping Mode, hold down A until ADJ
appears.
x This indicates the city code setting mode.
x The hour and minute hands automatically move out of
the way at this time (page E-12).
E-19
Page 3
Operation Guide 5481
2. Press C to move the fl ashing in the sequence shown below to select the other
settings.
City Code
(page E-16)
C
C
Button Operation Tone On/Off
E-20
Note
x Resetting the seconds to 00 while the current count is in the range of 30 to 59
causes the minutes to be increased by 1.
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 battery replaced.
x The day of the week changes automatically when the date changes.
E-22
C
(page E-18)
Illumination Duration
(page E-40)
(page E-44)
DST
C
C
12/24-Hour Format
Day
C
Month
C
Seconds
C
Hour
C
Minutes
C
Year
C
Checking the Current Time in a Different Time Zone
World Time City time
You can use the World Time Mode to view the current
time in one of 31 time zones (48 cities) around the globe.
The city that is currently selected in the World Time Mode
is called the “World Time City”.
x The hour and minute hands indicate the current time in
the Home City.
3. When the timekeeping setting you want to change is fl ashing, use D and/or B
to change it as described below.
Screen To do this: Do this:
Toggle between 12-hour (12H) and 24-hour
(24H) timekeeping
Reset the seconds to 00
Change the hour or minute
Change the year
Change the month or day
Press D.
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
Use D (+) and B (–).
4. Press A to exit the setting mode.
Counter
You can use the counter to count up to 999 objects or events.
Count value
To enter the World Time Mode
Use C to select the World Time Mode as shown on page E-10.
To view the time in another time zone
Use D to change the city code.
x Each press of D advances to the next city code.
x To change the city code to UTC, press B and D at the same time.
x Press A to display the city name of the currently selected city.
1. In the Timekeeping Mode, press C to enter the
Counter Mode (page E-10).
2. Use D (count up) and A (count down) to control the
count.
x To reset the count value to 000, hold down A for at
least two seconds.
E-21
E-23
World Time City code
E-24
To specify standard time or daylight saving time (DST) for a city
DST indicator
E-26
1. In the World Time Mode, use D (East) to display the
city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.
2. Hold down A for about two seconds.
x This toggles the city code you selected in step1
between Daylight Saving Time (DST indicator
displayed) and standard time (DST indicator not
displayed).
x Note that you cannot switch between standard time
and daylight saving time (DST) while UTC is selected
as the World Time City.
x The standard time/daylight saving time (DST) setting
affects only the currently displayed city. Other cities
are not affected.
Using the Stopwatch
The stopwatch measures elapsed time, split times, and two fi nishes.
1/100 second
Minutes
E-28
To enter the Stopwatch Mode
Use C to select the Stopwatch Mode as shown on
page E-11.
Seconds
E-25
To swap your Home City and World Time City
In the World Time Mode, press A and B at the same time.
This swaps your Home City and World Time City.
Example: To swap the Home City (TYO) and World Time City (NYC)
World Time City (NYC) time New World Time City (TYO) time
A+B
E-27
To perform an elapsed time operation
D
Start Stop (Resume) (Stop) Reset
D D D A
To pause at a split time
D
Start Split
A A D A
(SPL displayed)
Split release Stop Reset
To measure two fi nishes
D
Start Split
A D A A
(SPL displayed)
First runner fi nishes.
Display time of fi rst
runner.
Stop
Second runner
fi nishes.
Split release
Display time of
second runner.
Reset
E-29
Page 4
Operation Guide 5481
Note
x The Stopwatch Mode can indicate elapsed time up to 59minutes, 59.99seconds.
x Once started, stopwatch timing continues until you press D to stop it, even if
you exit the Stopwatch Mode to another mode and even if timing reaches the
stopwatch limit defi ned above.
x Exiting the Stopwatch Mode while a split time is frozen on the display clears the
split time and returns to elapsed time measurement.
E-30
Note
x You can use the above operation only while the stopwatch is reset to all zeros.
− If the result of a stopped or ongoing timing operation was left on the display the
last time the Stopwatch Mode was exited, pressing D above will display that
stopped or ongoing stopwatch operation.
E-32
To confi gure the countdown timer
2. Use D and B to change the setting of the fl ashing digits (hours or minutes).
x You can set a start time in the range of 1 minute to 24 hours in 1-minute
increments.
3. Press A to exit the setting mode.
1. Hold down A for about two seconds until the hour
digits of the start time start to fl ash.
x Press C to toggle the fl ashing between the hours
and minutes.
x The hour and minute hands automatically move out of
the way at this time (page E-12).
x If the countdown start time is not displayed, use the
procedure under “To perform a countdown timer
operation” (page E-35) to display it.
Starting the Stopwatch while in the Timekeeping Mode
Use the procedure below to start a stopwatch elapsed time measurement while in
the Timekeeping Mode.
In the Timekeeping Mode, press D.
D
E-31
Countdown Timer
The countdown timer can be set within a range of
Hours
Minutes
To perform a countdown timer operation
D
Start Stop (Resume) (Stop) Reset
x Before starting a countdown timer operation, check to make sure that a
countdown operation is not in progress (indicated by the seconds counting down).
If it is, press D to stop it and then A to reset to the countdown start time.
To stop the alarm
Press any button.
one minute to 24hours. An alarm sounds when the
countdown reaches zero.
To enter the Countdown Timer Mode
Use C to select the Countdown Timer Mode as shown
on page E-11.
Seconds
D D D A
E-33
E-34
Using the Alarm
You can set up to fi ve different alarms.
The watch beeps for about 10 seconds when the alarm
time is reached. The hourly time signal causes the watch
to beep every hour on the hour.
To set an alarm time
1. Use C to navigate to the alarm mode (page E-11).
2. Press D to display the setting (AL1 through AL5, or
SIG) you want to change.
D
E-36
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select an alarm or the Hourly Time Signal.
x Each press of D cycles between the alarm time screen and the hourly time
signal SIG setting screen.
2. Press A to toggle the displayed setting (alarm or hourly time signal) between
on and off.
x An alarm on indicator will be on the display whenever any one of the fi ve alarms
is turned on. Turning on the hourly time signal causes its indicator to appear on
the screen.
E-38
AL1
SIG
D
D
AL2
AL5
D
AL3
D
AL4
D
E-35
3. Hold down A for about two seconds until the alarm time starts to fl ash. This is
the setting mode.
x The hour and minute hands automatically move out of the way at this time (page
E-12).
Alarm time hour
To stop the alarm
Press any button.
4. Press C to move the fl
minute settings.
5. While a setting is fl ashing, use D (+) and B (–) to
change it.
6. Press A to exit the setting mode.
Note
x If you do not perform any operation for about two
or three minutes in the Alarm Mode, the watch will
automatically return to the Timekeeping Mode.
Alarm indicator Hourly time signal indicator
ashing between the hour and
E-37
E-39
Page 5
Operation Guide 5481
1
2
3
4
5
6
1
4 5 6
2 3
Illumination
The face of the watch is illuminated for easy reading in the dark.
To illuminate the face
In any mode (except a setting mode), press B to illuminate the face.
Illumination Precautions
x Illumination may be hard to see when viewed under direct sunlight.
x Illumination turns off automatically whenever an alarm sounds.
x Frequent use of illumination runs down the battery.
To change the illumination duration
1. In the Timekeeping Mode, hold down A until ADJ appears.
x This indicates the city code setting mode.
x The hour and minute hands automatically move out of the way at this time (page
E-12).
E-40
Adjusting Hand Positions
The watch hands can go out of alignment with the time on the digital display if it
is exposed to strong magnetism or impact. If this happens, you should adjust the
hand positions.
Important!
x You do not need to perform the operation below as long as the analog hands
indicate the same time as the digital display.
Mode hand
E-42
1. In the Timekeeping Mode, hold down A for about fi ve
seconds until H.SET appears.
x This indicates the mode hand adjustment mode.
x Though ADJ will appear as you hold down A, do not
release the button yet.
2. If the mode hand is not at 12o’clock, use D and B
to adjust until it is.
Button Operation Tone
You can turn the button operation tone on or off as
desired.
x Even if you turn off the button operation tone, alarms,
the Hourly Time Signal, and other beepers all operate
normally.
To turn the button operation tone on and off
1. In the Timekeeping Mode, hold down A until ADJ
appears.
x This indicates the city code setting mode.
x The hour and minute hands automatically move out of
the way at this time (page E-12).
2. Press C nine times to display the button operation tone On/Off screen (page E-20).
The screen will show either KEY
E-44
or MUTE.
2. Press C 10 times to display the illumination duration
setting screen (page E-20).
The screen will show either LT1 or LT3.
3. Press D to toggle the illumination duration setting
between LT1 (1.5 seconds) and LT3 (3 seconds).
4. After all the settings are the way you want, press A to
exit the setting screen.
E-41
Hour hand and minute hand
5. Press A to return to the Timekeeping Mode.
Check to make sure that the time indicated by the hands matches the time on the
digital display. If the times don’t match, perform the correction procedure above
again.
3. Press D to toggle the setting between KEY (ON) and MUTE (OFF).
4. After all the settings are the way you want, press A to exit the setting screen.
3. Press C.
x This enters the hour and minute hand adjustment
mode.
x Press C again* to return to the mode hand
adjustment mode.
* Nothing will happen if you press C while the hands
are moving.
4. If the hour and minute hands are not at 12 o’clock,
use D and B to adjust them until they are.
E-43
E-45
Troubleshooting
Time Setting
■ The current time setting is off by hours.
Your Home City setting may be wrong (page E-16). Check your Home City setting and
correct it, if necessary.
■ The current time setting is off by one hour.
You may need to change your Home City’s standard time/daylight saving time
(DST) setting. Use the procedure under “Adjusting the Digital Time and Date
Settings” (page E-19) to change the standard time/daylight saving time (DST) setting.
World Time Mode
■ The time for my World Time City is off in the World Time Mode.
This could be due to incorrect switching between standard time and daylight saving
time. See “To specify standard time or daylight saving time (DST) for a city” (page E-26)
for more information.
E-46
Specifi cations
Accuracy at normal temperature: ±30 seconds a month
Digital Timekeeping: Hour, minutes, seconds, p.m. (P), month, day, day of the
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Home City code (can be assigned one of 48 city codes);
Standard Time/Daylight Saving Time (summer time)
Analog Timekeeping: Hour, minutes (hand moves every 20seconds)
Counter: 0 to 999
World Time: 48 cities (31 time zones)
Other: Daylight Saving Time/Standard Time
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 59 minutes, 59.99 seconds
Measuring modes: Elapsed time, split time, two fi nishes
E-48
week
Main Indicators
1
Countdown Timer:
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments)
Alarms: 5 daily alarms; Hourly time signal
Illumination: LED (light-emitting diode); Selectable illumination duration
Other: Button operation tone on/off; Moving the Hands to View the Digital Display
Power Supply: Two silver oxide batteries (Type: SR726W)
(approximately 1.5 seconds or 3 seconds)
Approximate battery operating time: 2 years under the following conditions:
x 1 illumination operation (1.5 seconds) per day
x Alarm: 10 seconds/day
Frequent use of illumination runs down the battery.
Number Name See
Modes E-10, E-11
1
PM indicator E-15
2
Hands shifted indicator E-13
3
Alarm indicator E-39
4
Hourly time signal indicator E-39
5
DST indicator E-18, E-26
6
E-47
E-49
Page 6
Operation Guide 5481
City Code Table
L-1
City Code Table
City
City name
Code
PPG PAGO PAGO –11
HNL HONOLULU –10
ANC ANCHORAGE –9
YVR VANCOUVER
LAX LOS ANGELES
YEA EDMONTON
DEN DENVER
MEX MEXICO CITY
CHI CHICAGO
NYC NEW YORK –5
SCL* SANTIAGO
YHZ HALIFAX
YYT ST. JOHN’S –3.5
RIO DE JANEIRO
RIO
FEN
F. DE NORONHA
L-2
UTC Offset/
GMT Differential
City
City name
City
City name
Code
RAI PRAIA –1
UTC
–8
–7
–6
–4
–3
–2
LON LONDON
MAD MADRID
PAR PARIS
ROM ROME
BER BERLIN
STO STOCKHOLM
ATH ATHENS
JRS JERUSALEM
MOW MOSCOW
JED JEDDAH
THR TEHRAN +3.5
UTC Offset/
GMT Differential
0LIS LISBON
+1
+2CAI CAIRO
+3
Code
DXB DUBAI +4
KBL KABUL +4.5
KHI KARACHI +5
DEL DELHI +5.5
KTM KATHMANDU +5.75
DAC DHAKA +6
RGN YANGON +6.5
BKK BANGKOK +7
SIN SINGAPORE
HKG HONG KONG
BJS BEIJING
TPE TAIPEI
SEL SEOUL
TYO TOKYO
ADL ADELAIDE +9.5
GUM GUAM
SYD SYDNEY
UTC Offset/
GMT Differential
+8
+9
+10
City
City name
Code
NOU NOUMEA +11
WLG WELLINGTON +12
* As of July 2015. This watch does not
refl ect the change of the Santiago
(SCL) UTC offset to –3. For Santiago
(SCL), turn on summer time to
advance the time by one hour.
x
This table shows the city codes of
this watch.
x
The rules governing global times
(UTC offset and GMT differential) and
summer time are determined by each
individual country.
UTC Offset/
GMT Differential
L-3
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