MA1903-EA
© 2019 CASIO COMPUTER CO., LTD.
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
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-12) to
configure your Home City and daylight saving time settings.
Important!
Proper 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.
See "Adjusting the Digital Time and Date Settings" (page E-15).
The watch is now ready for use.
E-2
Using The Alarm ................................................................................................ E-21
To Set An Alarm Time ..................................................................................... E-22
To Test The Alarm ........................................................................................... E-23
To Stop The Alarm .......................................................................................... E-24
Using The Stopwatch ....................................................................................... E-25
To pause at a split time ................................................................................. E-26
To measure two finishes ............................................................................... E-26
Countdown Timer............................................................................................. E-28
E-4
Mode Reference Guide
The mode you should select depends on what you want to do.
To do this:
View the current date in the Home City
Configure Home City and daylight saving time (DST)
settings
Configure time and date settings
Select 12-hour or 24-hour timekeeping
Adjust the analog hands
View the current time in one of 48 cities
(29 time zones) around the globe
Set an alarm time
Use the stopwatch to measure elapsed time
Use the countdown timer
E-6
Selecting a Mode
Press C to cycle between the modes as shown below.
E-8
Operation Guide 5607
Enter this mode:
Timekeeping Mode
World Time Mode
Alarm Mode
Stopwatch Mode
Countdown Timer Mode
World Time Mode
C
C
About This Manual
Contents
About This Manual ............................................................................................. E-1
Things to check before using the watch .......................................................... E-2
Mode Reference Guide ...................................................................................... E-6
Timekeeping ..................................................................................................... E-11
To configure Home City settings .................................................................. E-12
To configure the digital time and date settings ............................................. E-15
To enter the World Time Mode ..................................................................... E-19
To view the time in another time zone .......................................................... E-19
To stop the alarm .......................................................................................... E-30
Illumination ....................................................................................................... E-33
Button Operation Tone .................................................................................... E-34
Troubleshooting ............................................................................................... E-35
Main Indicators ................................................................................................ E-36
Specifications ................................................................................................... E-38
Operating Precautions ..................................................................................... E-40
User Maintenance ............................................................................................ E-51
See:
E-11
E-19
E-21
E-25
E-28
In any mode (except when a setting mode, with flashing digits is on the display),
press B to illuminate the display.
Alarm Mode
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.
Stopwatch Mode
Countdown Timer Mode
C
C
E-1
E-3
E-5
E-7
C
E-9
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