MO0805-EA

Operation Guide 3150

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

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.
Bright Light

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Solar cell

The electricity generated by the solar cell of the watch is stored by a built-in battery. Leaving 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 only partially covered.

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.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for

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.

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

Battery charges in the light.

Solar cell

Bright Light

(Converts light to

 

Electrical

electrical power.)

 

energy

 

LEVEL 1

All

 

functions

 

LEVEL 2

 

enabled

Charge

LEVEL 3

 

LEVEL 4

 

Rechargeable battery

Battery discharges in the dark.

 

LEVEL 1

 

 

LEVEL 2

 

Dis-

LEVEL 3

Some or all

functions

charge

LEVEL 4

disabled

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.

General Guide

Press C to change from mode to mode.

In any mode (except when a setting screen is on the display), press Lto illuminate the display.

Timekeeping Mode
Press C.

Radio-controlled Atomic Timekeeping

This watch receives a time calibration signal and updates its time setting

 

Rally Mode
Recall Mode
World Time Mode

 

Countdown Timer
Stopwatch Mode
Alarm Mode
Mode

 

 

To specify your Home City
accordingly.

This watch is designed to pick up the time calibration signals transmitted in Germany (Mainflingen), England (Anthorn), the United States (Fort Collins), China (Shangqiu), and Japan (Fukushima, Fukuoka/Saga).

Current Time Setting

This watch adjusts its time setting automatically in accordance with a time calibration signal. You also can perform a manual procedure to set the time and date, when necessary.

The first thing you should do after purchasing this watch is to specify
your Home City (the city where you normally will use the watch). For
more information, see “To specify your Home City” below.
When using the watch outside the areas covered by the time signal

transmitters, you will have to adjust the current time setting manually as

required. See “Timekeeping” for more information about manual time

PM indicator

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City code

Seconds

 

 

 

Hour : Minutes

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

MAD, PAR, ROM, BER, STO : Madrid, Paris, Rome, Berlin, Stockholm
ATH : Athens
MOW : Moscow
HKG, BJS, TPE :Hong Kong, Beijing, Taipei SEL, TYO : Seoul, Tokyo
HNL : Honolulu
ANC : Anchorage
settings.

The U.S. time calibration signal can be picked up by the watch while in

North America. The term “North America” in this manual refers to the area

that consists of Canada, the continental United States, and Mexico.

YVR, LAX : Vancouver, Los Angeles
YEA, DEN : Edmonton, Denver
MEX, CHI : Mexico City, Chicago
MIA, YTO, NYC : Miami, Toronto, New York
YHZ : Halifax
YYT : St.Johns

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