Casio 2924 User's Manual

Casio Watches User's Manual - 2924.
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Operation Guide 2924

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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 initial factory default Home City setting is TYO (Tokyo). This means that

the watch is initially configured to receive the time calibration signals
transmitted in Japan. If you are planning to use the watch in North America, be
sure to change the Home City setting. “To set your Home City” for more
information.

• This watch does not have a time zone that corresponds to the Greenwich

Mean Time differential of –3.5 hours. Because of this, the radio-controlled
timekeeping and World Time functions will not display the correct time for
Newfoundland, Canada.

Keep the watch exposed to bright light

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 batter y 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. Even if the face of the watch is
only partially blocked from light, charging will be reduced
significantly.

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Bright Light

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 cause 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.

Bright Light

Electrical 
energy

All 
functions
enabled

LEVEL 1

LEVEL 2

LEVEL 3

Charge

Solar cell
(Converts light to 
electrical power.)

Rechargeable battery

LEVEL 1

LEVEL 2

LEVEL 3

Some 
functions 
disabled

Dis-

charge

Battery charges in the light.

Battery discharges in the dark.

• The actual level at which some functions are disabled depends on the watch model.

• Frequent display illumination can quickly run down the battery and require charging.

The following guidelines give an idea of the charging time required to recover from a
single illumination operation.

Approximately five minutes exposure to bright sunlight coming in through a
window
Approximately 50 minutes 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.

Alarm Mode

Countdown Timer  Mode

Stopwatch 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.

World Time  Mode

Radio-controlled Atomic Timekeeping

This watch receives a time calibration signal and updates
its time setting accordingly. The time calibration signal
includes both Standard Time and Daylight Saving Time
(summer time) data.

• This watch is designed to pick up the time calibration

signal transmitted in the United States (Fort Collins,
Colorado) and the time calibration signals transmitted in
Japan.

• The U.S. time calibration signal can be picked up by the

watch while in North America*.

* The term “North America” in this User’s Guide refers to the

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

Month – Day

Hour : Minutes Seconds

PM
indicator

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

• The first thing you should do after purchasing this watch is to set your Home City,

which is the city where you will use the watch normally. For more information, see
“To set your Home City” below.

• When using the watch outside of the range of the U.S. and Japanese time signal

transmitters, you need to adjust the time manually as required. See “Timekeeping”
for information about manual settings.

To set your Home City

1. In the Timekeeping Mode, hold down A until the city

code starts to flash, which indicates the setting screen.

2. Use D(east) and B(west) to select the city code you

want to use as your Home City.

• The following are the city codes for major cities in

North America.
LAX

: Los Angeles, San Francisco, Las Vegas,

Seattle, Vancouver, Tijuana

DEN

: Denver, El Paso, Edmonton, Culiacan

CHI

: Chicago, Houston, Dallas/Fort Worth,

New Orleans, Winnipeg, Mexico City

NYC

: New York, Detroit, Miami, Boston, Montreal

• Note that this watch does not have a city code that

corresponds to Newfoundland.

3. Press A to exit the setting screen.

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City code

Important!

• Normally, your watch should show the correct time as soon as you select your Home

City code. If it does not, it should adjust automatically after the next auto receive
operation (in the middle of the night). You can also perform manual receive or you
can set the time manually.

• If you are in an area that does not use Daylight Saving Time (summer time), turn off

the DST setting.

Time Calibration Signal Reception
There are two different methods you can use to receive the time calibration signal:
auto receive and manual receive.

• Auto Receive

With auto receive, the watch automatically picks up the time calibration signal three
times a day at midnight, 1:00 a.m., and 2:00 a.m. For more information, see “About
Auto Receive”.

• Manual Receive

Manual receive lets you start a time calibration receive operation with the press of a
button. For more information, see “To perform manual receive”.

Important!

• When getting ready to receive the time calibration signal, position the watch as

shown in the nearby illustration, with its 12 o’clock side facing towards a window.
Make sure there are no metal objects nearby.

Resin Band

Metal Band

• Make sure the watch is facing the right way.

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