MA2009-EA
© 2020 CASIO COMPUTER CO., LTD.
Operation Guide 5416
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. Set the current time.
x See “Adjusting the Date Setting” (page E-11) and “Adjusting the Digital Time
Setting” (page E-13).
The watch is now ready for use.
E-2
To turn an alarm on and off .............................................................................. E-16
To stop the alarm ............................................................................................. E-16
Using the Stopwatch ........................................................................................... E-17
To enter the Stopwatch Mode .........................................................................E-17
To perform an elapsed time operation ............................................................. E-18
Dual Time Mode ................................................................................................... E-19
To enter the Dual Time Mode .......................................................................... E-19
To set the Dual Time ........................................................................................ E-19
Adjusting the Analog Hand Setting .................................................................... E-21
To adjust the analog time ................................................................................. E-21
Illumination ...........................................................................................................E-22
To turn on illumination...................................................................................... E-22
Specifications ......................................................................................................E-23
E-4
About This Manual
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 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.
Contents
About This Manual .................................................................................................E-1
Things to check before using the watch ............................................................. E-2
Mode Reference Guide .........................................................................................E-6
Adjusting the Date Setting .................................................................................. E-11
To configure the date setting ........................................................................... E-12
Adjusting the Digital Time Setting .....................................................................E-13
To configure the digital time setting ................................................................. E-13
Using the Alarm ...................................................................................................E-15
To enter the Alarm Mode .................................................................................E-15
To set an alarm time ......................................................................................... E-15
To test the alarm ..............................................................................................E-16
Operating Precautions ........................................................................................ E-25
User Maintenance ...............................................................................................E-36
E-1
E-3
E-5
Mode Reference Guide
The mode you should select depends on what you want to do.
To do this: Enter this mode: See:
x Configure time and date settings
x Select 12-hour or 24-hour timekeeping
x Adjust the analog hands
Set an alarm time Alarm Mode E-15
Use the stopwatch to measure elapsed time Stopwatch Mode E-17
Set the dual time Dual Time Mode E-19
Selecting a Mode
x Press C to cycle between the modes as shown below.
Calendar Mode Timekeeping Mode
E-8
Calendar Mode
Timekeeping Mode
E-11
E-13
CC
x In any mode (except when a setting mode, with flashing digits is on the display),
press L to illuminate the display.
Stopwatch Mode Dual Time Mode Alarm Mode
CC
C
E-7 E-6
E-9
Operation Guide 5416
General Functions (All Modes)
The functions and operations described in this section can be used in all of the
modes.
Auto Return Features
If you leave a setting mode with flashing digits on the display for two or three minutes
without performing any operation, the watch exits the setting mode automatically.
Scrolling
The C button is used on the setting mode to scroll through data on the display. In
most cases, holding down this button during a scroll operation scrolls through the
data at high speed.
E-10
To configure the date setting
Year
3. When the date setting you want to change is flashing, use C to change it.
4. Press B to exit the setting mode.
E-12
3. When the timekeeping setting you want to change is flashing, use C to change it
as described below.
Screen To do this:
4. Press B to exit the setting mode.
Note
x While 12-hour format is selected for timekeeping, a P indicator will appear for
times from noon to 11:59 p.m. No indicator appears for times from midnight to
11:59 a.m. With 24-hour format, time is displayed from 0:00 to 23:59, without any
P indicator.
E-14
1. In the Calendar Mode, hold down B for at least two
seconds until the year start to flash. This is the setting
mode.
2. Press B to move the flashing in the sequence shown
below to select the other settings.
Calendar Mode
MonthDay
BBB
Reset the second to 00
Change the hour or minute
Toggle between 12-hour (12H) and 24-hour (24H) timekeeping
B (two seconds)
Year
Adjusting the Date Setting
Use the procedure below to adjust the date setting.
Note
x You can specify a date in the range of January 1, 2000 to December 31, 2099.
x The watch’s built-in full automatic calendar 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.
x The day of the week changes automatically when the date changes.
E-11
Adjusting the Digital Time Setting
Use the procedure below to adjust the digital time setting.
To configure the digital time setting
Second
1. In the Timekeeping Mode, hold down B for at least
two seconds until the second start to flash. This is the
setting mode.
2. Press B to move the flashing in the sequence shown
below to select the other settings.
Hour
B (two seconds)
Second12/24-Hour Format
Timekeeping Mode
Minute
BBBB
E-13
Using the Alarm
When an alarm is turned on, the alarm tone will sound when its alarm time is reached.
To enter the Alarm Mode
Use C to select the Alarm Mode as shown on page E-9.
To set an alarm time
Hour
1. In the Alarm Mode, hold down B for at least two
seconds until the hour starts to flash. This is the setting
mode.
2. Press B to move the flashing between the hour and
minute settings.
3. While a setting is flashing, use C to change it.
x 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).
E-15
4. Press B to exit the setting mode.
To test the alarm
In any mode, hold down C to sound the alarm.
To turn an alarm on and off
In the Alarm Mode, each press of B toggles between on and off.
Alarm on Alarm off
To stop the alarm
Press any button.
E-16
To perform an elapsed time operation
B
Start Stop (Restart) (Stop) Reset
Note
x The Stopwatch Mode can indicate elapsed time up to 23hours, 59minutes,
59seconds.
x After the elapsed time reaches one hour, the display units change to hours,
minutes, and seconds, and time is measured in one-second increments.
E-18
B B B B
(Two seconds)
Using the Stopwatch
The stopwatch measures elapsed time.
Minutes Seconds
1/100 Seconds
To enter the Stopwatch Mode
Use C to select the Stopwatch Mode as shown on page
E-9.
Dual Time Mode
You can use the Dual Time Mode to set a second time that is different from the
Timekeeping Mode time.
To enter the Dual Time Mode
Use C to select the Dual Time Mode as shown on page E-9.
To set the Dual Time
Hour
1. In the Dual Time Mode, hold down B for at least two
seconds until the hour starts to flash. This is the setting
mode.
2. Press B to move the flashing between the hour and
minute settings.
E-17
E-19