Operation Guide 5637
Selecting a Mode
x In the Timekeeping Mode, press D to enter the Stopwatch Mode.
x For more information about using the Stopwatch Mode, see “To enter the
Stopwatch Mode” (page E-24).
Timekeeping Mode Stopwatch Mode
D
C
x In any mode (except a setting mode), press L to illuminate the display.
E-9
To do this: Enter this mode: See:
x View the current time in one of 48 cities (31 time
zones) around the globe
x Swap Home Time and World Time
World Time Mode E-37
x Set an alarm time
x Enable/disable the hourly time signal
Alarm Mode E-41
E-8
Mode Reference Guide
The mode you should select depends on what you want to do.
To do this: Enter this mode: See:
x Display the current time, day of the week, and date
in your Home City
x Configure Home City and daylight saving time (DST)
settings
x Configure time and date settings
x Direct timing start from the Timekeeping Mode
x Change the display illumination duration setting
x Enable/disable the button operation tone
Timekeeping Mode E-15
x Use the stopwatch to measure elapsed time
x Use Target Time Alarm
Stopwatch Mode E-23
Use the countdown timer Countdown Timer Mode E-34
E-7
Illumination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-46
To turn on illumination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-46
To change the illumination duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-47
Adjusting Hand Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-48
Button Operation Tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-51
To turn the button operation tone on and off . . . . . . . . . . . . . . . . . . . . . . . . . E-51
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-53
Main Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-55
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-57
Operating Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-60
User Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-71
E-6
Checking the Current Time in a Different Time Zone . . . . . . . . . . . . . . . . . . . E-37
To enter the World Time Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-38
To view the time in another time zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-38
To specify standard time or daylight saving time (DST) for a city . . . . . . . . . . . E-39
To swap your Home City and World Time City . . . . . . . . . . . . . . . . . . . . . . . . E-40
Using the Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-41
To enter the Alarm Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-41
To set an alarm time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-42
To test the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-43
To turn an alarm and the Hourly Time Signal on and off . . . . . . . . . . . . . . . . . E-44
To stop the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-45
E-5
Using the Stopwatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-23
To enter the Stopwatch Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-24
To perform an elapsed time operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-26
To pause at a split time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-26
To measure two finishes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-26
To set a target time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-28
To use the target time alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-29
To stop the alert beeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-33
To perform stopwatch timing without using the Target Time Alarm . . . . . . . . . E-33
Countdown Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-34
To enter the Countdown Timer Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-34
To configure the countdown timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-35
To perform a countdown timer operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-36
To stop the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-36
E-4
Contents
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1
Things to check before using the watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2
Mode Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-7
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!
x Proper World Time Mode data depends on correct Home City, time, and date
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.
E-2
About This Manual
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.
x 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.
x Note that the display type of your watch is fixed for that
particular model, and cannot be changed.
x The appearance of display indicators (page E-55) will
depend on the display type of your watch.
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”.
E
MA2004-EA
© 2020 CASIO COMPUTER CO., LTD.
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