Casio MA0612-EA User Manual
MA0612-EA
Operation Guide 3077
About This Manual
• Button operations are indicated using the letters shown
in the illustration.
• Each section of this manual provides you with the
information you need to perform operations in each
mode. Further details and technical information can be
found in the “Reference” section.
About the Display
• The display of the watch is divided into three areas: main (center), upper, and lower.
• You can select either of two settings for the main display area:
Regular (background/figure color combination same as the upper and lower
display areas) or Reverse (background/figure color combination opposite that of
the upper and lower display areas).
• The initial factory default setting for the main display area is “12H”, which switches
between Regular and Reverse automatically every 12 hours.
• See “Main Display Area Style” for information about changing the main display area
style.
Regular Reverse
Upper Display Area
Main Display Area
Lower Display Area
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press B to illuminate
the display.
Timekeeping Mode World Time Mode Alarm Mode Stopwatch Mode Edit ModeCountdown Timer Mode
Press .
• An icon appears momentarily on the display whenever you enter any mode besides
the Timekeeping Mode.
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
• Pressing D in the Timekeeping Mode will toggle between the Time/Day screen and
the Day/Time screen.
PM indicator
YearDay
Day/Time Screen
Day Day of week
Hour : Minutes
Hour
Minutes
Time/Day Screen
Hour : Minutes PM indicator
Press .
Seconds Seconds Day of week Day
Read this before you set the time and date !
The times displayed in the Timekeeping Mode and World Time Mode are linked.
Because of this, make sure you select a city code for your Home City (the city where
you normally use the watch) before you set the time and date.
• To view the current Home City code setting, press A while in the Timekeeping
Mode.
• For full information on city codes, see the “City Code Table”.
To set the time and date
Seconds DST
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
City Code
Month
3. When the setting you want to change is flashing, use D and B to change it as
described below.
Screen Do this:
To do this:
Reset the seconds to
Change the city code
Toggle between Daylight Saving Time ( )
and Standard Time ( )
Change the hour or minutes
Change the year, month, or day
• See “Daylight Saving Time (DST)” for details about the DST setting.
4. Press A to exit the setting screen.
• Resetting the seconds to
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to
• The year can be set in the range of 2000 to 2099.
• The watch’s built-in full automatic calendar makes allowances for different month
• The day of the week is automatically displayed in accordance with the date (year,
• A leading zero is added to dates from 1 through 9.
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour from Standard
Time. Remember that not all countries or even local areas use Daylight Saving Time.
To toggle the Timekeeping Mode time between DST and Standard Time
without changing the minutes.
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.
month, and day) settings.
Example: The 1st of the month is displayed as 01.
DST indicator
On/Off status
while the current count is in the range of 30 to 59
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C twice to display the DST setting screen.
3. Press D to toggle between Daylight Saving Time (
and Standard Time (
4. Press A to exit the setting screen.
• The DST indicator is displayed on the Timekeeping
Mode and Alarm Mode screen while Daylight Saving
Time is turned on.
Press D.
Use D (east) and B (west).
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
).
)
1
Operation Guide 3077
World Time
World Time shows the current time in 48 cities (29 time
zones) around the world.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
To view the time for another city code
In the World Time Mode, press D to scroll eastwardly
through city codes.
• For full information about city codes, see the “City Code
Table”.
• If the current time shown for a city is wrong, check your
Current time in the zone
of the selected city code
City code
To toggle a city code time between Standard Time and Daylight Saving Time
DST indicator
Timekeeping Mode time and Home City code settings
and make the necessary changes.
1. In the World Time Mode, use D to display the city code
(time zone) whose Standard Time/Daylight Saving Time
setting you want to change.
2. Hold down A for about one second to toggle between
Daylight Saving Time (DST indicator displayed) and
Standard Time (DST indicator not displayed).
• The DST indicator is on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
• Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
affected.
• In the World Time Mode, you can switch the city code
you currently have selected as your Timekeeping Mode
Home City between Standard Time and DST. The
setting you select in the World Time Mode will also be
applied in the Timekeeping Mode.
Alarms
Alarm time
(Hour : Minutes)
On/Off status
Alarm number
To set an alarm time
You can set five independent Daily Alarms. When an
alarm is turned on, the alarm tone sounds when the alarm
time is reached.
You can turn on an Hourly Time Signal that causes the
watch to beep twice every hour on the hour.
• There are six screens in the Alarm Mode. Five are for
alarms (indicated by numbers from
), and one is for the Hourly Time Signal (indicated
by
).
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
• You can select any one of three alarm beeper patterns.
1. In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
through
To turn the Hourly Time Signal on and off
Hourly time signal
on indicator
On/Off status
1. In the Alarm Mode, use D to select the Hourly Time
Signal (
2. Press A to toggle it on (
(
displayed).
• Turning on the Hourly Time Signal displays the Hourly
Time Signal indicator on its Alarm Mode screen.
• While the Hourly Time Signal is turned on, the Hourly
Time Signal on indicator is shown on the display in all
modes besides the Alarm Mode.
Stopwatch
Seconds
1/100 second Minutes
To measure times with the stopwatch
Elapsed Time
Start
Split Time
Start
Two Finishes
Start
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 59 minutes,
59.99 seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
Stop Re-start Stop Clear
Split
( displayed)
Split Stop Split release Clear
First runner
finishes.
Display time of
first runner.
Split release Stop Clear
Second runner
finishes.
Countdown Timer
Minutes
You can set the countdown timer within a range of
one minute to 24 hours. An alarm sounds when the
countdown reaches zero.
• You can also select auto-repeat, which automatically
restarts the countdown from the original value you set
whenever zero is reached.
• All of the operations is this section are performed in the
Countdown Timer Mode, which you can enter using C.
).
displayed) and off
Display time of
second runner.
• To set an alarm, display one of the screens indicated by an alarm number from
through .
2. After you select an alarm, hold down A until the hour setting of the alarm time
starts to flash, which indicates the setting screen.
• This operation turns on the alarm automatically.
3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (P indicator).
5. Press A to exit the setting screen.
Alarm Operation
The alarm sounds at the preset time for about 10 seconds, regardless of the mode the
watch is in.
• To stop the alarm tone after it starts to sound, press any button.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
• The alarm will sound using the currently selected beeper pattern.
To turn an alarm on and off
Alarm on indicator
On/Off status
1. In the Alarm Mode, use D to select an alarm.
2. Press A to toggle it on (
(
displayed).
• Turning on an alarm (
alarm on indicator on its Alarm Mode screen.
• In all modes besides the Alarm Mode, the alarm on
indicator is shown for any alarm that is currently turned
on.
• The alarm on indicator flashes while the alarm is
sounding.
displayed) and off
through ) displays the
Seconds Hours
To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached and auto-repeat is turned off, the alarm
sounds for 10 seconds or until you stop it by pressing any button. The countdown
time is automatically reset to its starting value after the alarm stops.
• When auto-repeat is turned on, the countdown will restart automatically without
pausing when it reaches zero. The alarm sounds to signal when the countdown
reaches zero.
• The countdown timer measurement operation continues even if you exit the
Countdown Timer Mode.
• Press D while a countdown operation is in progress to pause it. Press D again to
resume the countdown.
• To completely stop a countdown operation, first pause it (by pressing D), and then
press A. This returns the countdown time to its starting value.
To set up the countdown timer
3. While a setting is flashing, use D and B to change it as described below.
Screen
Change the hours or minutes
Toggle auto-repeat on ( ) and off ( )
• To specify a countdown start time of 24 hours, set .
4. Press A to exit the setting screen.
• The auto-repeat on indicator (
screen while this function is turned on.
• Frequent use of auto-repeat and the alarm can run down battery power.
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down A until the hour
setting of the countdown start time starts to flash, which
indicates the setting screen.
• If the countdown start time is not displayed, use the
procedure under “To use the countdown timer” to
display it.
2. Press C to move the flashing in the sequence shown
below to select other settings.
Hours
To do this:
) is displayed on the Countdown Timer Mode
Minutes
Auto-repeat
Do this:
Use D (+) and B (–).
Press D.
2
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