MO0905-EA
Operation Guide 3160
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.
• 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.
Keep the watch exposed to bright light
The electricity generated by the solar cell of the watch is
Bright Light
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.
Solar cell
• 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 only partially covered.
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.
• 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.
Bright Light
Solar cell
(Converts light to
electrical power.)
Electrical
energy
All
functions
enabled
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
LEVEL 1
LEVEL 2
Some or all
LEVEL 3
LEVEL 4
Dis-
functions
disabled
Charge
charge
Rechargeable battery
World Time Mode
Alarm Mode
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.
Timekeeping Mode
Press C.
Countdown Timer Mode
Stopwatch Mode
Timekeeping
5. Press A to exit the setting screen.
Use the Timekeeping Mode to set and view the current
time and date.
CurrentTime
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
Day of week
Read This BeforeYou Set the Time and Date!
Month – Day
12-hour and 24-hour timekeeping
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
• 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.
code that is in the same time zone as your location.
Hour : Minutes
Seconds
• 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.
PM indicator
Daylight SavingTime (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 set the time and date manually
1. In the Timekeeping Mode hold down A until the city
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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 “City Code
Table”.
To change the Daylight Saving Time (summer time) setting
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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.
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3. Use D to toggle between Daylight Saving Time (DST
indicator displayed) and Standard Time (DST indicator
not displayed).
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3. Press C to move the flashing in the sequence shown below to select the other
setting.
4. When the setting you want is selected, press A to exit
the setting screen.
12/24-Hour
Format
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
DST indicator
DST
Day
Seconds
Year
Hour
City Code
Power Saving
Month
Minutes
World Time
• The following steps explain how to configure timekeeping settings only.
4. When the timekeeping setting you want to change is flashing, use D or B to
change it as described below.
World Time shows the current time in 48 cities (29 time
zones) around the world.
City code
• The times kept in the World Time Mode are
Screen:
To do this:
Change the city code
Do this:
Use D (east) and B
(west).
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.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
Toggle between Daylight Saving Time (ON) Press D.
and Standard Time (OFF).
Toggle between 12-hour (
hour ( ) timekeeping
) and 24- Press D.
Current time in
selected city
Reset the seconds to
Press D.
Change the hour and minutes
Use D (+) and B (–).
Use D (+) and B (–).
) and Press D.
Change the year, month, or day
Toggle between Power Saving on (
off (
)
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