MO0905-EA
Operation Guide 3180
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.)
Bright Light
Charge
Rechargeable battery
The electricity generated by the solar cell of the
watch is stored by a rechargeable battery. Leaving
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or using the 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.
Electrical
energy
All
LEVEL 1
functions
LEVEL 2
enabled
LEVEL 3
LEVEL 4
Dis-
charge
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
Some or all
functions
disabled
General Guide
• Press C to change from mode to mode.
• In any mode, press L to illuminate the display.
• 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 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.
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.
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
▲
Timekeeping Mode
Press C.
▲
Timekeeping
Current Time
Day of week
PM
indicator
City code
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.
Seconds
Hour : Minutes
Seconds
▲
Dual Time
Month – Day
BB
▲
Press the B 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.
Dual time
Countdown Timer Mode
▲
Stopwatch Mode
▲
To set the time and date manually
1. In the Timekeeping Mode hold down A until
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3. Press C to move the flashing 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.
the city code starts to flash, which indicates
the setting screen.
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
“UTC Differential/City Code List”.
12/24-Hour
DST
Illumination
Duration
Format
Seconds
Operation
Tone
DayPower Saving
Hour
Month
Minutes
Ye a r
Screen: To do this: Do this:
Specify your Home City
Cycle between Daylight Saving
ON) and Standard Time
Time (
(
OFF).
Use D (east) and B
(west).
Press D.
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Operation Guide 3180
Screen: To do this: Do this:
Toggle between 12-hour ( )
and 24-hour (
timekeeping
)
Reset the seconds to zero (
Change the hour and minutes
Change the year, month and day
Toggle between Button
Operation Tone on(
( )
Toggle the display illumination
duration between 1.5 seconds
( ) and three seconds ( )
Toggle between Power Saving
on (
) and off ( )
5. Press A to exit the setting screen.
To specify your Home City
PM indicator
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City code
Hour : Minutes
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.
1. In the Timekeeping Mode, hold down A until
the city code starts to flash, which indicates
the setting screen.
2. Press D (east) and B (west) to select the
city code you want to use as your Home City.
LIS, LON : Lisbon, London
Seconds
MAD, PA R, ROM, BER, STO : Madrid, Paris,
ATH : Athens
MOW : Moscow
HKG, BJS, TPE : Hong Kong, Beijing, Taipei
SEL, TYO : Seoul, Tokyo
HNL : Honolulu
ANC : Anchorage
YVR, LAX: Vancouver, Los Angeles
YEA, DEN: Edmonton, Denver
MEX, CHI : Mexico City, Chicago
NYC :New York
YHZ : Halifax
YYT : St.Johns
3. Press A to exit the setting screen.
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down A until
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DST indicator
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.
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 the P (PM) indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping
Mode is applied in all other modes.
Others
• The day of the week is displayed automatically in accordance with the date
(year, month and day) settings.
• Button operation tone on and off
• Illumination duration
• Power Saving on and off
the city code starts to flash, which indicates
the setting screen.
2. Press C and the DST setting screen appears.
3. Use D to cycle through the DST settings in
the sequence shown below.
DST off (
Press D.
)
Press D.
Use D (+) and B (–).
Press D.
) and off
Press D.
Press D.
Rome, Berlin, Stockholm
) DST on (ON)
OFF
World Time
City code
Current time in
selected city
• Select a city code in the World Time Mode to display the current time in any
particular time zone around the globe. See the “UTC Differential/City Code
List” for information about the UTC differential settings that are supported.
• 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, use the D (eastward) and B (westward)
buttons to scroll through the city codes (time zones). Holding down either
button scrolls at high speed.
• Pressing the D and B buttons 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
• You can turn on DST individually for each city code, except UTC.
• Turning on DST for the city code that is currently selected as your Home
City will turn on DST for normal timekeeping.
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.
1. In the World Time Mode, use D and B 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.
Alarms
Alarm number
Current Time
Alarm time
(Hour : Minutes)
To set an alarm time
• To set a daily alarm, display alarm screen AL1, AL2, AL3 or
AL4. To set the snooze alarm, display the SNZ screen.
• 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 in the sequence shown below.
You can set up to five independent daily alarms
with hour and minutes. When an alarm is turned
on, the alarm tone sounds when the alarm time is
reached. One of the alarms is a snooze alarm,
while the other four are daily alarms.
You also can turn on an Hourly Time Signal that
causes the watch to beep twice every hour on the
hour.
• There are five alarm screens numbered
AL2, AL3 and AL4 for the daily alarm,
and a snooze alarm screen indicated by
The Hourly Time Signal screen is indicated by
SIG.
• All of the operations in this section are
performed in the Alarm Mode, which you enter
by pressing C.
1. In the Alarm Mode, use D to scroll through
the alarm screens until the one whose time
you want to set is displayed.
AL1,
SNZ.
4. Use D (+) and B (–) to change the hour and minutes.
• 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.
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