MO1208-EB
Operation Guide 5184
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 electricity generated by the solar cell of the watch is
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stored by a built-in battery. Leaving or using the watch
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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 even only partially covered.
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• 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.)
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About This Manual
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Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
Bright Light
LEVEL 1
LEVEL 2
LEVEL 3
Charge
LEVEL 4
Rechargeable battery
Electrical
energy
All
functions
enabled
• 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.
Dis-
charge
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Some or all
functions
disabled
To set the time and date .......................................................................................E-11
To change the Daylight Saving Time (summer time) setting ............................ E-15
To specify the Dual Time City .............................................................................. E-17
To view the current time in another time zone ...................................................E-20
To toggle a city code time between Standard Time and
Daylight Saving Time ...................................................................................... E-21
To swap your Home City and World Time City ................................................... E-22
To measure times with the stopwatch ................................................................ E-24
To use the countdown timer ................................................................................ E-26
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• 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” (page E-38) 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” (page E-48) for more information.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any
damage or loss suffered by you or any third party arising through the use of this
product or its malfunction.
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Contents
General Guide ......................................................................................................... E-8
Timekeeping .......................................................................................................... E-10
World Time ............................................................................................................. E-18
Stopwatch ..............................................................................................................E-23
Countdown Timer .................................................................................................. E-25
Alarms ....................................................................................................................E-29
Illumination ............................................................................................................E-34
Power Supply ........................................................................................................ E-38
Hand Home Position Correction .......................................................................... E-46
Reference .............................................................................................................. E-48
Specifications ....................................................................................................... E-55
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To configure countdown start time and auto-repeat settings .......................... E-27
To set an alarm time ............................................................................................. E-30
To turn an alarm on and off.................................................................................. E-32
To turn the Hourly Time Signal on and off ..........................................................E-33
To illuminate the display manually ...................................................................... E-34
To turn the auto light switch on and off.............................................................. E-37
To adjust the home positions .............................................................................. E-46
To recover from the sleep state ........................................................................... E-49
To turn Power Saving on and off ......................................................................... E-50
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General Guide
• Press C to change from mode to mode.
• In any mode (except a setting mode), press B to illuminate the display for about
one second.
Timekeeping Mode
Press C.
▲
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World Time Mode (page E-18) Stopwatch Mode (page E-23)
▲
Alarm Mode (page E-29) Countdown Timer Mode (page E-25)
▲
▲
▲
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Operation Guide 5184
Timekeeping
You can adjust the Home Time city data and time in the Timekeeping Mode. You also
can simultaneously display the current time in one other time zone, by specifying a
Dual Time City.
• For information about selecting a Dual Time City, see “To specify the Dual Time City”
(page E-17).
• Pressing D in the Timekeeping Mode will cycle the lower display between the
screens shown below.
Home City Date Home City Time Dual Time
Day of week
Month – Day
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3. Press C to change the flashing screen content in the sequence shown below to
select the other setting.
City Code
4. When the timekeeping setting you want to change is flashing, use D or B to
change it as described below.
Screen:
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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 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.
Right dial hand
(World Time)
▲
D
PM indicator
▲
Seconds
DST
DayPower Saving
To do this: Do this:
Change the city code
Toggle between Daylight Saving Time
(
) and Standard Time ( ).
D
12/24-Hour
Format
Month
Dual Time
City code
D
Hour : Minutes
▲
Seconds
Year
Use D (east) and B
(west).
Press D.
Hour
Minutes
Dual Time
(Hour :
Minutes)
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 City codes (page E-18) and Dual Time
City are displayed in accordance with the time and date settings you configure for
the Timekeeping Mode.
To set the time and date
City code
Screen: To do this: Do this:
5. Press A twice to exit the setting mode.
• For details about the Daylight Saving Time setting, see “To change the Daylight
Saving Time (summer time) setting” (page E-15). For information about Power
Saving, see “To turn Power Saving on and off” (page E-50).
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
To change the Daylight Saving Time (summer time) setting
DST indicator
1. In the Timekeeping Mode, hold down A for about five
seconds until the left dial hand points to T1 and the city
code flashes on the upper display. This is the setting
mode.
2. Use 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” at the back of this manual.
Toggle between 12-hour (
24-hour ( ) timekeeping
Reset the seconds to
Change the hour and minutes
Change the year, month, or day
Toggle between Power Saving on
( ) and off (
)
1. In the Timekeeping Mode, hold down A for about five
seconds until the left dial hand points to T1 and the city
code flashes on the upper display. This is the setting
mode.
2. Press C. This will display the DST setting screen.
3. Press D to toggle between Daylight Saving Time (ON
displayed) and Standard Time (OFF displayed).
4. When the setting you want is selected, press A twice
to exit the setting mode.
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
) and
Press D.
Press D.
Use D (+) and B (–).
Press D.
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Dual Time
Dual Time lets you display the current time in another time zone called your “Dual
Time City”, in addition your Home City’s current time. This feature is very handy for
business professionals and others who need to keep track of the current time in two
different time zones.
• For information about how to display the current time in the Dual Time City in the
lower display, see page E-10.
• You can change the Dual Time DST (summer time) setting in the World Time Mode.
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World Time
Currently selected
World Time City
Right dial hand
(World Time hour)
Current time in
World Time City
• All of the operations in this section are performed in the World Time Mode, which
you enter by pressing C (page E-9).
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World Time digitally displays the current time in one of
48 cities (29 time zones) around the world. A simple
operation swaps your Home City with the currently
selected World Time City.
• 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.
• Times in the World Time Mode are based on UTC
offsets. See the “City Code Table” at the back of this
manual for information about the UTC offsets that are
supported.
To specify the Dual Time City
Left dial hand
Right Dial Hand
The right dial hand shows the current hour in the World Time City in all modes.
• The right dial hand moves just like the normal hour hand, completing one revolution
every 12 hours.
1. In the Timekeeping Mode, hold down A for about five
seconds until the left dial hand points to T1 and the city
code flashes on the upper display. This is the setting
mode.
2. Press A again. The left dial hand will move to T2 and
the current Dual Time City code will start to flash on the
upper display. This is the Dual Time City selection
screen.
3. Use D (eastward) and B (westward) to scroll through
the available city codes.
• See the “City Code Table” at the back of this manual
for information about city codes.
4. Press A to exit the setting mode.
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