MO1006-EA
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Operation Guide 3221
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to read this manual carefully.
Keep the watch exposed to bright light
Bright Light
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Solar cell
• The watch continues to operate, even when it is not exposed to light. Leaving the
watch in the dark can cause the battery to run down, which will result in some watch
functions to be disabled. If the battery goes dead, you will have to re-configure watch
settings after recharging. To ensure normal watch operation, be sure to keep it
exposed to light as much as possible.
Battery charges in the light. Battery discharges in the dark.
Solar cell
(Converts light to
electrical power.)
Charge
Rechargeable battery
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press B to illuminate
the display.
The electricity generated by the solar cell of the watch is
stored by a rechargeable battery. Leaving or using the
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watch where it is not exposed to light causes the battery
to run down. Make sure the watch is exposed to light as
much as possible.
• When you are not wearing the watch on your wrist,
position the face so it is pointed at a source of bright
light.
• You should try to keep the watch outside of your sleeve
as much as possible. Charging is reduced significantly if
the face is covered only partially.
Bright Light
Electrical
energy
All
LEVEL 1
functions
LEVEL 2
enabled
LEVEL 3
LEVEL 4
charge
Dis-
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Some or all
functions
disabled
• The actual level at which some functions are disabled depends on the watch model.
• Frequent display illumination can run down the battery quickly and require charging.
The following guidelines give an idea of the charging time required to recover from a
single illumination operation.
Approximately 5 minutes exposure to bright sunlight coming in through a window
Approximately about 8 hours exposure to indoor fluorescent lighting
• Be sure to read “Power Supply” for important information you need to know
when exposing the watch to bright light.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch’s Power Saving function
has turned off the display to conserve power.
• See “Power Saving Function” for more information.
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.
• 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.
World Time Mode
▲
Alarm Mode
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▲
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Timekeeping Mode
Press C.
▲
Timekeeping
Current Time
Day of week
Hour : Minutes
Seconds
PM indicator
▲
Dual Time
Month – Day
AA
▲
Dual timeCity code
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To set the time and date
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3. Press C to move the flashing in the sequence shown below to select the other
settings.
City Code
• The following steps explain how to configure timekeeping settings only.
4. When the timekeeping setting you want to change is flashing, press D or B to
change it as described below.
Screen: To do this: Do this:
Press the A button to toggle the upper display between
the day of the week and date, and the currently selected
World Time city and time (Dual Time).
Use the Timekeeping Mode to set and view the current
time and date.
Read This Before You Set the Time and Date!
This watch is preset with a number of city codes, each of
which represents the time zone where that city is located.
When setting the time, it is important that you first select
the correct city code for your Home City (the city where
you normally use the watch). If your location is not
included in the preset city codes, select the preset city
code that is in the same time zone as your location.
• Note that all of the times for the World Time Mode city
codes are displayed in accordance with the time and
date settings you configure in the Timekeeping Mode.
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Press D and B to select the city code you want.
• Make sure you select your Home City code before
changing any other setting.
• For full information on city codes, see the “City Code
Table”.
12/24-Hour
DST
Illumination
Duration
Format
Change the city code
Toggle between Daylight Saving Time
(ON) and Standard Time (OFF).
Toggle between 12-hour (
hour ( ) timekeeping
Reset the seconds to
Change the hour and minutes
Seconds
Button
Operation Tone
DayPower Saving
) and 24-
Press D (east) and B
(west).
Press D.
Press D.
Press D.
Press D (+) and B (–).
Hour
Month
Minutes
Year
Countdown Timer Mode Stopwatch Mode
▲
Screen:
5. 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.
12-hour 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.
Daylight Saving Time (DST)
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.
To change the Daylight Saving Time (summer time) setting
DST indicator
To do this: Do this:
Change the year, month, or day
Toggle the button operation tone between
/
(on) and (off)
Toggle the illumination duration between
(approximately 1.5 seconds) and
(approximately 3 seconds).
Toggle between Power Saving on (
and off (
)
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Press C and the DST setting screen appears.
3. Press D to toggle the DST settings ON and OFF.
DST off (
4. When the setting you want is selected, press A to exit
the setting screen.
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
OFF
)
) DST on (ON)
Press D (+) and B (–).
Press D.
Press D.
Press D.
▲
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Operation Guide 3221
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World Time
City code
Current time in
selected city
• All of the operations in this section are performed in the World Time Mode, which
you enter by pressing C.
To view the time in another city
While in the World Time Mode, press the D (eastward) to scroll through the city
codes (time zones).
• Pressing the D and B at the same time will jump to the UTC time zone.
To toggle a city code time between Standard Time and Daylight Saving Time
DST indicator
World Time shows the current time in 48 cities (31 time
zones) around the world.
• The times kept in the World Time Mode are
synchronized with the time being kept in the
Timekeeping Mode. If you feel that there is an error in
any World Time Mode time, check to make sure you
have the correct city selected as your Home City. Also
check to make sure that the current time as shown in
the Timekeeping Mode is correct.
• Select a city code in the World Time Mode to display the
current time in any particular time zone around the
globe. See the “City Code Table” for information about
the UTC differential settings that are supported.
1. In the World Time Mode, press D to display the city
code (time zone) whose Standard Time/Daylight Saving
Time setting you want to change.
2. Hold down A to toggle between Daylight Saving Time
(DST indicator displayed) and Standard Time (DST
indicator not displayed).
• The DST indicator is shown on the World Time Mode
screen while Daylight Saving Time is turned on.
• Note that the Standard Time/Daylight Saving Time
setting affects only the currently displayed city code.
Other city codes are not affected.
• Note that you cannot switch between Standard Time
and Daylight Saving Time while UTC is selected as the
city code.
Alarms
Alarm number
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Alarm time
(Hour : Minutes)
To set an alarm time
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The Alarm Mode gives you a choice of four one-time
alarms and one snooze alarm.
Also use the Alarm Mode to turn the Hourly Time Signal
(
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SIG) on and off.
• There are five alarm screens numbered
AL3 and AL4 for the one-time alarm, and a snooze
alarm screen indicated by
Signal screen is indicated by
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
1. In the Alarm Mode, press D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
SNZ. The Hourly Time
AL1, AL2,
SIG.
Stopwatch
Hours
Seconds
1/100 second
Minutes
To measure times with the stopwatch
Elapsed Time
D
Start
Split Time
D
Start
Two Finishes
D
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
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
D
➤➤➤
Stop Re-start Stop
A
➤➤➤
Split
(SPL displayed)
A
➤➤➤
Split
First runner finishes.
Display time of first
runner.
Countdown Timer
You can set the countdown timer within a range of one
minute to 24 hours. An alarm sounds when the countdown
reaches zero.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
Hours
Minutes
Seconds
To configure the countdown timer
C.
Countdown End Beeper
The countdown end beeper lets you know when the
countdown reaches zero. The beeper stops after about 10
seconds or when you press any button.
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down A until the current
countdown start time starts to flash, which indicates the
setting screen.
• If the countdown start time is not displayed, use the
procedure under “To use the countdown timer” to
display it.
2. Press C to move the flashing in the sequence shown
below to select other settings.
D
A
Split release Stop
D
Stop
Second runner
finishes.
D
D
A
Split release
Display time of
second runner.
A
➤
Clear
A
➤
Clear
A
➤
Clear
• To set a one-time alarm, display alarm screen AL1, AL2, AL3 or AL4.
To set the snooze alarm, display the
• The snooze alarm repeats every five minutes.
2. After you select an alarm, hold down A until the hour setting of the alarm time
starts to flash, which indicates the setting screen.
• This operation turns on the alarm automatically.
3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, press D (+) and B (–) to change it.
• With the 12-hour format, set the time correctly as a.m. or p.m. (P indicator).
5. Press A to exit the setting screen.
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in. In the case of the snooze alarm, the alarm operation is performed a total
of seven times, every five minutes, until you turn the alarm off.
• Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode time.
• To stop the alarm tone after it starts to sound, press any button.
• Performing any one of the operations below during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm on and off
Snooze alarm
indicator
To turn the Hourly Time Signal on and off
Hourly time signal
on indicator
SNZ
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ON
Alarm on indicator
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setting screen
1. In the Alarm Mode, press D to select an alarm.
2. Press A to toggle it on and off.
• Turning on an alarm (
• In all modes, the alarm on indicator is shown for any
• The alarm on indicator flashes while the alarm is
• The snooze alarm indicator flashes while the snooze
1. In the Alarm Mode, press D to select the Hourly Time
2. Press A to toggle it on and off.
• The Hourly Time Signal on indicator is shown on the
SNZ screen.
SNZ) displays the alarm on indicator on its Alarm Mode
screen.
AL1, AL2, AL3, AL4 or
alarm that currently is turned on.
sounding.
alarm is sounding and during the 5-minute intervals
between alarms.
Signal (
SIG).
display in all modes while this function is turned on.
3. When the setting you want to change is flashing, press D and B to change it as
described below.
Setting
Hours, Minutes
• To specify a countdown start time of 24 hours, set .
4. Press A to exit the setting screen.
To use the countdown timer
Timer start time
Current timer
time
Screen
Press D (+) and B (–) to change the setting.
Press D while in the Countdown Timer Mode to start the
countdown timer.
• The countdown timer 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 stop a countdown operation completely, first pause it
(by pressing D), and then press A. This returns the
countdown time to its starting value.
Button Operation
Illumination
Auto light switch on
indicator
To illuminate the display manually
In any mode (except when a setting screen is on the display), press B to turn on
illumination.
• The above operation turns on illumination regardless of the current auto light switch
setting.
• You can use the procedure below to select either 1.5 seconds or 3 seconds as the
illumination duration. When you press B, the illumination will remain on for about
1.5 seconds or 3 seconds, depending on the current illumination duration setting.
This watch has an EL (electro-luminescent) panel that
causes the entire display to glow for easy reading in the
dark. The watch’s auto light switch turns on illumination
automatically when you angle the watch towards your
face.
• The auto light switch must be turned on (indicated by
the auto light switch on indicator) for it to operate.
• See “Illumination Precautions” for other important
information about using illumination.
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