Casio MA0212-A User Manual
MA0212-A
USER’S GUIDE 2684
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.
General Guide
• Press C to change from mode to mode.
• In any mode, press B to illuminate the display.
• In any mode, hold down C for about two seconds to return to the Timekeeping
Mode.
Timekeeping Mode
Press .
Alarm Mode Stopwatch ModeCountdown Timer
Timekeeping
PM indicator
Day of week
Month – Day
Hour : Minutes
3. When the setting you want to change is flashing, press D to change it as
described below.
Seconds
Hour, Minutes, Year, Month, Day
• Pressing D while the seconds are in the range of 30 to 59 resets them to 00 and
4. Press A to exit the setting screen.
• The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
• The year can be set in the range of 2000 to 2099.
• The watch’s built-in full automatic calendar automatically 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.
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and
24-hour timekeeping.
• With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for
times in the range of noon to 11:59 p.m. and no indicator appears to the left of the
hour digits for times in the range of midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
Seconds
To change this setting
adds 1 to the minutes. In the range of 00 to 29, the minutes are unchanged.
Use the Timekeeping Mode to set and view the current
time and date.
To set the time and date
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.
Seconds Hour
Day Month
Perform this button operation
Press D to reset to 00.
Press D to increase the setting.
Minutes
Year
Mode
Dual Time Mode
Alarm
Alarm time
(Hour : Minutes)
Alarm date
(Month – Day)
Alarm Types
The alarm type is determined by the settings you make, as described below.
• Daily alarm
Set the hour and minutes for the alarm time. This type of setting causes the alarm to
sound everyday at the time you set.
• Date alarm
Set the month, day, hour and minutes for the alarm time. This type of setting causes
the alarm to sound at the specific time, on the specific date you set.
• 1-Month alarm
Set the month, hour and minutes for the alarm time. This type of setting causes the
alarm to sound everyday at time you set, only during the month you set.
• Monthly alarm
Set the day, hour and minutes for the alarm time. This type of setting causes the
alarm to sound every month at time you set, on the day you set.
To set an alarm time
4. While a setting is flashing, press D to increase it.
• To set an alarm that does not include a month (Daily alarm, Monthly alarm), set x
for the month. Press D until the x mark appears (between 12 and 1) while
month setting is flashing.
• To set an alarm that does not include a day (Daily alarm, 1-Month alarm), set xx
for the day. Press D until the xx mark appears (between the end of the month
and 1) while the day setting is flashing.
• 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 tone sounds at the preset time for about 10 seconds. In the case of the
snooze alarm, the alarm repeats up to seven times every five minutes.
• Pressing any button stops the alarm tone operation.
• The alarm and the Hourly Time Signal sound in all modes.
The multi-function alarm lets you specify the hour,
minutes, month, and day for the alarm. You can set up the
alarm so it sounds once when the alarm time is reached,
or for a snooze alarm that repeats up to seven times,
every five minutes.
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
• Pressing D in the Alarm Mode toggles between the
alarm screen (alarm time displayed) and the Hourly
Time Signal screen (:00 displayed).
• An alarm setting (and an Hourly Time Signal setting) is
available in the Alarm Mode, which you enter by
pressing C.
1. In the Alarm Mode, press D to display the alarm
screen.
2. Hold down A until the hour setting of the alarm time
starts to flash, which indicates the setting screen.
• This operation automatically turns on the single
alarm.
3. Press C to move the flashing in the sequence shown
below to select other settings.
Hour Minutes
Month Day
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USER’S GUIDE 2684
To select the alarm type
Alarm on indicator
Snooze alarm on indicator
• The snooze alarm on indicator flashes during the 5-minute intervals between alarms.
• Displaying the Alarm Mode setting screen automatically changes the alarm type to
single alarm.
• Changing the Timekeeping Mode setting screen during a 5-minute interval between
snooze alarms stops the current snooze alarm operation (but snooze alarm remains
as the alarm type setting).
• If a snooze alarm time is reached while you are setting the current time in the
Timekeeping Mode, the alarm sounds only once. Subsequent snooze alarm
operations are not performed.
Stopping a Snooze Alarm Operation
After a snooze alarm time is reached, you can perform the following steps during any
5-minute interval between alarms to stop the snooze alarm operation.
To stop a Snooze Alarm Operation
1. While in the Alarm Mode, press D to display the alarm screen.
2. Next, press A to turn off the alarm or to select the single alarm.
• Note that this also changes the alarm type setting. If you want to use the snooze
alarm again, you must re-select it as the alarm type. See “To select the alarm type”
for more information.
To test the alarm
• In the Alarm Mode, hold down D to sound the alarm.
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, press D to display the Hourly Time Signal screen.
2. Press A to turn it on and off.
• The Hourly Time Signal on indicator is shown on the display in all modes while this
function is turned on.
1. In the Alarm Mode, press D to display the alarm
screen.
2. Press A to cycle through the available alarm settings
shown below.
Alarm off
• The alarm on indicator and the snooze alarm on
indicator are shown on the display in all modes while
these functions are turned on.
Indicates Hourly Time Signal is on.
Indicates Hourly Time Signal is off.
Single
alarm on
Snooze
alarm on
Countdown Timer
Hours Minutes
Seconds
• 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.
• 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 the countdown start time
To turn auto-repeat on and off
Auto-repeat indicator
The countdown timer can be set 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.
• Countdown timer functions are available in the
Countdown Timer Mode, which you enter by pressing
C.
To use the countdown timer
Press D while in the Countdown Timer Mode to start the
countdown timer.
1. In the Countdown Timer Mode, hold down A until the
hours setting of the countdown start time starts to flash,
which indicates the setting screen.
2. Press C to move the flashing between the hours and
minutes settings.
3. While a setting is flashing, use D to increase it.
• To set the starting value of the countdown time to
24 hours, set
4. Press A to exit the setting screen.
1. In the Countdown Timer Mode, hold down A until the
hours setting of the countdown start time starts to flash,
which indicates the setting screen.
2. Press B to toggle auto-repeat on (
off (
• Note that pressing B in the above operation also
turns on the backlight.
3. Press A to exit the setting screen.
• When the end of the countdown is reached while
auto-repeat is on, the alarm sounds, but the countdown
restarts from the beginning without stopping. You can
stop the countdown by pressing D and manually reset
to the start time by pressing A.
• The auto-repeat indicator appears in the Countdown
Timer Mode only.
0:00
not displayed).
.
displayed) and
Stopwatch
1/100 second
Hours
Minutes
To measure times with the stopwatch
Elapsed time
Start Stop Re-start Stop Clear
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 23 hours,
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
Seconds
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
Split
(SPL displayed)
Split Stop Split release Clear
First runner
finishes.
Display time of
first runner.
Split release Stop Clear
Second runner
finishes.
Display time of
second runner.
Dual Time
The Dual Time Mode lets you keep track of time in a different time zone.
• In the Dual Time Mode, the seconds count is synchronized with the seconds count
of the Timekeeping Mode.
To set the Dual Time
Hour : Minutes
Seconds
1. Press C to enter the Dual Time Mode.
2. In the Dual Time Mode, hold down A until the hour
setting starts to flash, which indicates the setting
screen.
3. Press C to move the flashing between the hour and
minutes settings.
4. While a setting is flashing, use D to increase it.
5. Press A to exit the setting screen.
Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Auto return features
If you leave a screen with flashing digits for two or three minutes without performing
any operation, the watch automatically saves any settings you have made up to that
point and exits the setting screen.
Scrolling
The D button is used to scroll through setting screen data on the display. Holding
down this button during a scroll operation scrolls through the data at high speed.
Backlight Precautions
The backlight uses an LED (light-emitting diode) and a light guide panel that cause
the entire display to glow for easy reading in the dark.
In any mode, press B to illuminate the display for about one second.
• The illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
• The backlight automatically stops illuminating whenever an alarm sounds.
• Frequent use of the backlight shortens the battery life.
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