Casio MO1212-EA User Manual

MO1212-EA

Operation Guide 3408

• 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.

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Procedure Lookup

The following is a handy reference list of all the operational procedures contained in this manual.

To set the time and date ......................................................................................... E-8

To toggle between 12-hour and 24-hour timekeeping .......................................E-10

To toggle the Timekeeping Mode between DST and Standard Time ................ E-11

To measure elapsed time ..................................................................................... E-15

To measure elapsed time with lap times ............................................................ E-15

To measure elapsed time with split times .......................................................... E-17

To time first and second place finishes ..............................................................E-18

To recall stopwatch time records ........................................................................ E-22

To delete a log ....................................................................................................... E-24

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About This Manual

• Depending 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.

• Button operations are indicated using the letters shown in the illustration.

• 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.

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Contents

General Guide ......................................................................................................... E-6

Timekeeping ............................................................................................................ E-8

Stopwatch .............................................................................................................. E-12

Recall Mode ........................................................................................................... E-21

Countdown Timer .................................................................................................. E-25

Alarms ....................................................................................................................E-29

Dual Time ............................................................................................................... E-36

Illumination ............................................................................................................ E-38

Reference .............................................................................................................. E-42

Specifications ....................................................................................................... E-47

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To use the countdown timer ................................................................................ E-26

To configure countdown start time and auto-repeat settings .......................... E-27

To set an alarm time ............................................................................................. E-31

To test the alarm ................................................................................................... E-33

To select the operation of Alarm

To turn Alarms

To turn the hourly time signal on and off ........................................................... E-35

To set the Dual Time ............................................................................................. E-36

To illuminate the display manually ...................................................................... E-38

To specify the illumination duration ................................................................... E-39

To turn the auto light switch on and off.............................................................. E-41

To turn the button operation tone on and off .....................................................E-43

and 3 on and off ..................................................................... E-35

...................................................................... E-34

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General Guide

• Press C to change from mode to mode.

• In any mode (except when a setting screen is on the display), press L to illuminate

the face of the watch.

Timekeeping Mode

Press C.

Stopwatch Mode

▲

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Timekeeping

Hours

PM indicator

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Month – DayDay of week

Seconds

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

Minutes

seconds start to flash, which indicates the setting screen.

Seconds

2. Press C to move the flashing in the sequence shown

below to select other settings.

Seconds

Day

DST

Month

Hour

Minutes

Year

▲

Countdown Timer Mode

Alarm Mode

Do this:

Press D.

Use D (+) and B (–).

▲

Recall Mode

▲

Dual Time Mode

3. When the setting you want to change is flashing, use D and B to change it as

described below.

Screen: To do this:

4. Press A to exit the setting screen.

• The day of the week is displayed automatically in accordance with the date (year, month, and day) settings.

• See “Daylight Saving Time (DST) Setting” below for details about the DST setting.

Reset the seconds to 00

Toggle between Daylight Saving Time (

ON) and Standard Time (OF)

Change the hour or minutes

Change the year

Change the month or day

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Operation Guide 3408

To toggle between 12-hour and 24-hour timekeeping

In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and 24hour 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 the A (AM) 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.

• The A and P indicators are not displayed with the Timekeeping Mode time on the Countdown Timer Mode and Dual Time Mode screens.

Daylight Saving Time (DST) Setting

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.

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Stopwatch

Remaining free records

Minutes

Seconds

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• You can perform elapsed time measurement starting from either the lap time screen or the split time screen (pages E-15 and E-17). Whenever you enter the Stopwatch Mode, the screen (lap time or split time) that was displayed when you last exited the mode will appear first.

• During a stopwatch elapsed time operation, the upper display initially shows minutes, seconds, and a 1/100-second value. This changes to hours, minutes, and seconds when the time in the upper display exceeds 60 minutes.

• The lower display initially shows hours, minutes, seconds, and a 1/100-second value. This changes to hours, minutes, and seconds when the time in the lower display exceeds 10 hours.

Minutes

Hours

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The stopwatch lets you measure elapsed time, lap times, split times, and two finishes. Lap times and split times can be stored in memory.

• The display range of the stopwatch is 99 hours, 59 minutes, 59 seconds.

• All of the operations in this section are performed in the Stopwatch Mode, which you enter by pressing C (page E-6).

Note

1/100

• “Lap time” is the time spent to cover a specific segment

secondHours

Minutes

of a race, such as one lap around a track. “Split time” is the time spent from the beginning of a race up to a certain point.

• The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it.

Seconds

1/100 second

Seconds

More than one hour

1/100 second

More than 10 hours

▲

Hours

Minutes

Seconds

To toggle the Timekeeping Mode between DST and Standard Time

On/Off status

DST indicator

• The stopwatch measurement operation continues even if you exit the Stopwatch Mode.

• For information about how stopwatch times are stored in memory, see “Memory Management” (page E-19).

Viewing the Stopwatch Displays

The information that appears in the watch’s upper and lower displays depends on whether you are measuring lap times or split times.

Lap Time Measurement

Upper Display: Lap time Lower Display: Elapsed time

Split Time Measurement

Upper Display: Lap time Lower Display: Elapsed time (Split time appears here for eight seconds as it is stored

• See “To measure elapsed time with lap times” (page E-15) and “To measure elapsed time with split times” (page E-17) for more information about each type of measurement.

To measure elapsed time

Note

• You can perform the following steps starting from either the lap time screen or the split time screen.

1. Press D to start the stopwatch.

2. Press D again to stop the stopwatch.

• You can resume the measurement operation by pressing D.

3. Press B to clear the stopwatch to all zeros.

in memory.)

To measure elapsed time with lap times

1. In the Timekeeping Mode, hold down A until the

seconds start to flash, which indicates the setting screen.

2. Press C once and the DST setting screen appears.

3. Press D to toggle between Daylight Saving Time (ON

displayed) and Standard Time (OF displayed).

4. Press A to exit the setting screen.

• The DST indicator appears on the Timekeeping and Alarm Mode screens to indicate that Daylight Saving Time is turned on.

When the stopwatch display shows all zeros, press

to display the lap time screen (indicated by LAP/ ).

2. Press D to start an elapsed time measurement.

• At the time, both the upper and lower displays will show identical times.

3. Press B to record the time of the first lap.

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Lap time

Elapsed time

Lap time

Lap number

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• Split numbers are incremented automatically starting from 1 whenever you press B

in step 3 of the above procedure. The maximum split number is 99. Recording a split time after that causes the split number count to restart from 00.

To time first and second place finishes

1. When the stopwatch display shows all zeros, press B to display the split time

screen (indicated by SPL/

2. Press D to start a time measurement.

3. Press B when the first finisher crosses the finish line.

• This freezes the time of the first finisher in the lower part of the display for about eight seconds. After that, the display returns to elapsed time measurement.

4. Press D when the second finisher crosses the finish line.

• The second finisher’s time will appear in the lower display.

• The difference between the first finisher’s and the second finisher’s time will

appear in the upper display.

5. Press B to clear the stopwatch to all zeros.

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• This freezes the current lap time in the upper part of the display for about eight seconds, while measurement of total elapsed time and the next lap time continue internally. The lap number of the displayed time appears in the lower display.

• After eight seconds, the ongoing elapsed time measurement re-appears in the lower display.

4. Repeat step 3 to record more lap times.

5. Press D to stop the stopwatch.

6. Press B to clear the stopwatch to all zeros.

• Lap numbers are incremented automatically starting

from 1 whenever you press B in step 3 of the above procedure. The maximum lap number is 99. Recording a lap after that causes the lap number count to restart from 00.

To measure elapsed time with split times

Lap time

Elapsed time

Split Time Recording

(Displayed for eight seconds after B is pressed.)

Split number

Split time

Memory Management

A new log is created each time you press D in the Stopwatch Mode to start a new elapsed time measurement operation. A log contains a log title screen, and records of all the lap or split times you record during the current elapsed time measurement operation.

• The capacity of the watch’s memory is 60 records.

• If you are adding records to the only log in memory and watch memory becomes

full, adding another record causes the oldest record in the log to be deleted automatically to make room for the new record.

• If you are adding records to a log when there are multiple logs in memory and watch memory becomes full, adding another record causes the oldest log in memory and all of its records to be deleted automatically to make room for new records.

1. When the stopwatch display shows all zeros, press B

to display the split time screen (indicated by SPL/

2. Press D to start an elapsed time measurement.

• At the time, both the upper and lower displays will show identical times.

3. Press B to record the time of the first split.

• The current split time appears in the lower display for about eight seconds, as the total elapsed time, next lap time, and next split time continue to be timed internally by the watch. The split number of the displayed time appears in the upper display.

• After eight seconds, the ongoing lap time measurement appears in the upper display and the ongoing elapsed time measurement appears in the lower display.

4. Repeat step 3 to record more split times.

5. Press D to stop the stopwatch.

6. Press B to clear the stopwatch to all zeros.

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