Casio MA1512-EA User manual

Operation Guide 5481
E-9E-8
Mode Reference Guide
The mode you should select depends on what you want to do.
To do this: Enter this mode: See:
xView the current date in the Home City
xConfigure Home City and daylight saving time (DST)
settings
xConfigure time and date settings
xStart stopwatch elapsed time measurement while in
the Timekeeping Mode
Timekeeping Mode E-15
Count objects Counter Mode E-23
View the current time in one of 48 cities
(31 time zones) around the globe World Time Mode E-24
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
E-7
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
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-48
Operating Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-50
User Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-61
E-6
Countdown Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-33
To enter the Countdown Timer Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-33
To configure 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-5
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 finishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-29
E-4
Contents
About This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2
Things to check before using the watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3
Mode Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-8
Timekeeping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-15
Configuring Home City Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-16
To configure 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 configure the digital time and date settings . . . . . . . . . . . . . . . . . . . . . . . . E-19
E-3
Things to check before using the watch
1. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To configure Home City settings” (page E-16) to configure
your Home City and daylight saving time settings.
Important!
xProper World Time Mode data depend on correct Home City, time, and date
settings in the Timekeeping Mode. Make sure you configure these settings
correctly.
2. Set the current time.
xSee “Adjusting the Digital Time and Date Settings” (page E-19).
The watch is now ready for use.
E-2
About This Manual
xDepending on the model of your watch, display text
appears either as dark figures on a light background, or
light figures on a dark background. All sample displays
in this manual are shown using dark figures on a light
background.
xButton operations are indicated using the letters shown
in the illustration.
xNote 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-1
ENGLISH
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.
MA1512-EA © 2015 CASIO COMPUTER CO., LTD.

Operation Guide 5481
E-19
Adjusting the Digital Time and Date Settings
Use the procedure below to adjust the digital time and date settings.
To configure the digital time and date settings
1. In the Timekeeping Mode, hold down Auntil ADJ
appears.
xThis indicates the city code setting mode.
xThe hour and minute hands automatically move out of
the way at this time (page E-12).
E-18
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down Auntil ADJ
appears.
xThis indicates the city code setting mode.
xThe hour and minute hands automatically move out of
the way at this time (page E-12).
2. Press Cto display the DST setting mode.
3. Press Dto toggle between Daylight Saving Time (ON)
and Standard Time (OFF).
xNote 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 Ato
return to the Timekeeping Mode.
xThe DST indicator appears to indicate that Daylight
Saving Time is turned on.
DST indicator
E-17
3. After the setting is the way you want, press Ato return to the Timekeeping
Mode.
Note
xAfter 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 scientific standard of timekeeping.
The reference point for UTC is Greenwich, England.
E-16
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
1. In the Timekeeping Mode, hold down Auntil ADJ
appears.
xThis indicates the city code setting mode.
xThe 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.
xKeep pressing Dor Buntil the city code you want
to select as your Home City appears on the display.
xFor details about city codes, see the “City Code
Table” at the back of this manual.
City Code
E-15
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
xEach press of Acycles the digital display contents as
shown below.
A
SecondsDay of the week
Month-Day PM indicator
Hour : Minutes
Hour
Month-Day
Minutes
Day of the week
Mode
E-14
Note
xThis 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.
xWatch button functions are the same regardless of whether the hands are move
out of the way or at their normal positions.
xChanging to another mode will cause the hands to move back to their normal
positions.
xThe hands also will move back to their normal positions automatically if no
operation is performed for about one hour.
E-13
Example: When the current time is 8:20
Flashes while the hands are moved out of the way.
2. Holding down Bagain as you press Cwill cause the hands to return to their
normal positions (normal timekeeping).
E-12
General Functions (All Modes)
The functions and operations described in this section can be used in all of the
modes.
xScrolling
The Band Dbuttons 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.
xThis will cause the hour and minute hands to move to a location where they do
not block your view of the digital display.
E-11
Stopwatch Mode Countdown Timer Mode Alarm Mode
C C
C
E-10
Selecting a Mode
xPress Cto cycle between the modes as shown below.
xTo return to the Timekeeping Mode from any other mode, hold down Cfor about
two seconds.
xIn any mode (except a setting mode), press Bto illuminate the display.
Timekeeping Mode World Time ModeCounter Mode
CC C

Operation Guide 5481
E-29
To perform an elapsed time operation
DD D D A
Start Stop (Resume) (Stop) Reset
To pause at a split time
DA A D A
Start Split
(SPL displayed)
Split release Stop Reset
To measure two finishes
DA D A A
Start Split
(SPL displayed)
First runner finishes.
Display time of first
runner.
Stop
Second runner
finishes.
Split release
Display time of
second runner.
Reset
E-28
Using the Stopwatch
The stopwatch measures elapsed time, split times, and two finishes.
To enter the Stopwatch Mode
Use Cto select the Stopwatch Mode as shown on
page E-11.
Seconds
Minutes
1/100 second
E-27
To swap your Home City and World Time City
In the World Time Mode, press Aand Bat the same time.
This swaps your Home City and World Time City.
Example: To swap the Home City (TYO) and World Time City (NYC)
A+B
World Time City (NYC) time New World Time City (TYO) time
E-26
To specify standard time or daylight saving time (DST) for a city
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 Afor about two seconds.
xThis toggles the city code you selected in step1
between Daylight Saving Time (DST indicator
displayed) and standard time (DST indicator not
displayed).
xNote that you cannot switch between standard time
and daylight saving time (DST) while UTC is selected
as the World Time City.
xThe standard time/daylight saving time (DST) setting
affects only the currently displayed city. Other cities
are not affected.
DST indicator
E-25
To enter the World Time Mode
Use Cto select the World Time Mode as shown on page E-10.
To view the time in another time zone
Use Dto change the city code.
xEach press of Dadvances to the next city code.
xTo change the city code to UTC, press Band Dat the same time.
xPress Ato display the city name of the currently selected city.
E-24
Checking the Current Time in a Different Time Zone
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”.
xThe hour and minute hands indicate the current time in
the Home City.
World Time City time
World Time City code
E-23
Counter
You can use the counter to count up to 999 objects or events.
1. In the Timekeeping Mode, press Cto enter the
Counter Mode (page E-10).
2. Use D(count up) and A(count down) to control the
count.
xTo reset the count value to 000, hold down Afor at
least two seconds.
Count value
E-22
Note
xResetting the seconds to 00 while the current count is in the range of 30 to 59
causes the minutes to be increased by 1.
xThe 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.
xThe day of the week changes automatically when the date changes.
E-21
3. When the timekeeping setting you want to change is flashing, use Dand/or B
to change it as described below.
Screen To do this: Do this:
Toggle between 12-hour (12H) and 24-hour
(24H) timekeeping Press D.
Reset the seconds to 00 Press D.
Change the hour or minute Use D(+) and B(–).
Change the year Use D(+) and B(–).
Change the month or day Use D(+) and B(–).
4. Press Ato exit the setting mode.
E-20
2. Press Cto move the flashing in the sequence shown below to select the other
settings.
City Code
(page E-16)
CDST
(page E-18)
C
12/24-Hour Format
C
Seconds
C
CHour
C
Illumination Duration
(page E-40) Minutes
CC
Button Operation Tone On/Off
(page E-44) C
Day
C
Month
C
Year

Operation Guide 5481
E-39
Alarm indicator Hourly time signal indicator
To stop the alarm
Press any button.
E-38
To test the alarm
In the Alarm Mode, hold down Dto sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use Dto select an alarm or the Hourly Time Signal.
xEach press of Dcycles between the alarm time screen and the hourly time
signal SIG setting screen.
2. Press Ato toggle the displayed setting (alarm or hourly time signal) between
on and off.
xAn alarm on indicator will be on the display whenever any one of the five alarms
is turned on. Turning on the hourly time signal causes its indicator to appear on
the screen.
E-37
3. Hold down Afor about two seconds until the alarm time starts to flash. This is
the setting mode.
xThe hour and minute hands automatically move out of the way at this time (page
E-12).
4. Press Cto move the flashing between the hour and
minute settings.
5. While a setting is flashing, use D(+) and B(–) to
change it.
6. Press Ato exit the setting mode.
Note
xIf 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 time hour
E-36
Using the Alarm
You can set up to five 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 Cto navigate to the alarm mode (page E-11).
2. Press Dto display the setting (AL1 through AL5, or
SIG) you want to change.
AL1
D
AL2
D
AL3
DD
SIG
D
AL5
D
AL4
E-35
To perform a countdown timer operation
DD D D A
Start Stop (Resume) (Stop) Reset
xBefore 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 Dto stop it and then Ato reset to the countdown start time.
To stop the alarm
Press any button.
E-34
To configure the countdown timer
1. Hold down Afor about two seconds until the hour
digits of the start time start to flash.
xPress Cto toggle the flashing between the hours
and minutes.
xThe hour and minute hands automatically move out of
the way at this time (page E-12).
xIf the countdown start time is not displayed, use the
procedure under “To perform a countdown timer
operation” (page E-35) to display it.
2. Use Dand Bto change the setting of the flashing digits (hours or minutes).
xYou can set a start time in the range of 1 minute to 24 hours in 1-minute
increments.
3. Press Ato exit the setting mode.
E-33
Countdown Timer
The countdown timer can be set within a range of
one minute to 24hours. An alarm sounds when the
countdown reaches zero.
To enter the Countdown Timer Mode
Use Cto select the Countdown Timer Mode as shown
on page E-11.
Seconds
Minutes
Hours
E-32
Note
xYou 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 Dabove will display that
stopped or ongoing stopwatch operation.
E-31
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-30
Note
xThe Stopwatch Mode can indicate elapsed time up to 59minutes, 59.99seconds.
xOnce started, stopwatch timing continues until you press Dto stop it, even if
you exit the Stopwatch Mode to another mode and even if timing reaches the
stopwatch limit defined above.
xExiting the Stopwatch Mode while a split time is frozen on the display clears the
split time and returns to elapsed time measurement.

Operation Guide 5481
E-49
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
(approximately 1.5 seconds or 3 seconds)
Other: Button operation tone on/off; Moving the Hands to View the Digital Display
Power Supply: Two silver oxide batteries (Type: SR726W)
Approximate battery operating time: 2 years under the following conditions:
x1 illumination operation (1.5 seconds) per day
xAlarm: 10 seconds/day
Frequent use of illumination runs down the battery.
E-48
Specifications
Accuracy at normal temperature: ±30 seconds a month
Digital Timekeeping: Hour, minutes, seconds, p.m. (P), month, day, day of the
week
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 20seconds)
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 finishes
E-47
Main Indicators
Number Name See
1
1
Modes E-10, E-11
2
2
PM indicator E-15
3
3
Hands shifted indicator E-13
4
4
Alarm indicator E-39
5
5
Hourly time signal indicator E-39
6
6
DST indicator E-18, E-26
1
1
4 5 6
2 3
E-46
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-45
3. Press Dto toggle the setting between KEY (ON) and MUTE (OFF).
4. After all the settings are the way you want, press Ato exit the setting screen.
E-44
Button Operation Tone
You can turn the button operation tone on or off as
desired.
xEven 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 Auntil ADJ
appears.
xThis indicates the city code setting mode.
xThe hour and minute hands automatically move out of
the way at this time (page E-12).
2. Press Cnine times to display the button operation tone On/Off screen (page E-20).
The screen will show either KEY or MUTE.
E-43
3. Press C.
xThis enters the hour and minute hand adjustment
mode.
xPress Cagain* to return to the mode hand
adjustment mode.
*Nothing will happen if you press Cwhile the hands
are moving.
4. If the hour and minute hands are not at 12 o’clock,
use Dand Bto adjust them until they are.
5. Press Ato 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.
Hour hand and minute hand
E-42
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!
xYou do not need to perform the operation below as long as the analog hands
indicate the same time as the digital display.
1. In the Timekeeping Mode, hold down Afor about five
seconds until H.SET appears.
xThis indicates the mode hand adjustment mode.
xThough ADJ will appear as you hold down A, do not
release the button yet.
2. If the mode hand is not at 12o’clock, use Dand B
to adjust until it is.
Mode hand
E-41
2. Press C10 times to display the illumination duration
setting screen (page E-20).
The screen will show either LT1 or LT3.
3. Press Dto 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 Ato
exit the setting screen.
E-40
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 Bto illuminate the face.
Illumination Precautions
xIllumination may be hard to see when viewed under direct sunlight.
xIllumination turns off automatically whenever an alarm sounds.
xFrequent use of illumination runs down the battery.
To change the illumination duration
1. In the Timekeeping Mode, hold down Auntil ADJ appears.
xThis indicates the city code setting mode.
xThe hour and minute hands automatically move out of the way at this time (page
E-12).

Operation Guide 5481
L-3
City
Code City name
UTC Offset/
GMT Differential
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
+8
HKG HONG KONG
BJS BEIJING
TPE TAIPEI
SEL SEOUL +9
TYO TOKYO
ADL ADELAIDE +9.5
GUM GUAM +10
SYD SYDNEY
City
Code City name
UTC Offset/
GMT Differential
NOU NOUMEA +11
WLG WELLINGTON +12
*As of July 2015. This watch does not
reflect 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.
L-2
City Code Table
City
Code City name
UTC Offset/
GMT Differential
PPG PAGO PAGO –11
HNL HONOLULU –10
ANC ANCHORAGE –9
YVR VANCOUVER –8
LAX LOS ANGELES
YEA EDMONTON –7
DEN DENVER
MEX MEXICO CITY –6
CHI CHICAGO
NYC NEW YORK –5
SCL* SANTIAGO –4
YHZ HALIFAX
YYT ST. JOHN’S –3.5
RIO
RIO DE JANEIRO –3
FEN
F. DE NORONHA –2
City
Code City name
UTC Offset/
GMT Differential
RAI PRAIA –1
UTC
0LIS LISBON
LON LONDON
MAD MADRID
+1
PAR PARIS
ROM ROME
BER BERLIN
STO STOCKHOLM
ATH ATHENS
+2CAI CAIRO
JRS JERUSALEM
MOW MOSCOW +3
JED JEDDAH
THR TEHRAN +3.5
L-1
City Code Table