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Operation Guide 3184

1

MO1409-ED

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.

Warning!

The measurement functions built into this watch are not intended for taking
measurements that require professional or industrial precision. Values produced
by this watch should be considered as reasonable representations only.

The Moon phase indicator and tide graph data that appear on the display of this
watch are not intended for navigation purposes. Always use proper instruments
and resources to obtain data for navigation purposes.

This watch is not a precision instrument for calculating low tide and high tide
times. The tide graph of this watch is intended to provide a reasonable
approximation of tidal movements only.

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.

Keep the watch exposed to bright light

The electricity generated by the solar cell of the watch is
stored by a rechargeable 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 covered only partially.

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Bright Light

Solar cell

All 
functions 
enabled

LEVEL 1

LEVEL 2

LEVEL 3

LEVEL 4

Charge

Rechargeable battery

Bright Light

Electrical 
energy

Solar cell
(Converts light to 
electrical power.)

LEVEL 1

LEVEL 2

LEVEL 3

LEVEL 4

Some or all 
functions 
disabled

Dis-

charge

Battery charges in the light.

Battery discharges in the dark.

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.

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.

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

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.

Holding down 

C

 for about one second in any mode switches directly to the Diving

Mode. Holding down 

C

 for about one second in the Diving Mode switches to the

Timekeeping Mode.

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

B

 to illuminate the display.

Hold down 

C

.

Diving Mode

Timekeeping Mode

Diving Log Recall Mode

Tide/Moon Data Mode

Countdown Timer  Mode

Stopwatch  Mode

Alarm Mode

World Time  Mode

Press 

C

.

Radio-controlled Atomic Timekeeping

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

As of January 2009, China does not use Daylight Saving Time (DST). If China does
go to the Daylight Saving Time system in the future, some functions of this watch
may no longer operate correctly when receiving the China time calibration signal.

To specify your Home City

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

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City code

PM indicator

Seconds

Hour : Minutes

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.

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 also can perform manual receive or you
can set the time manually.

The watch will receive the time calibration signal automatically from the applicable
transmitter (in the middle of the night) and update its settings accordingly. For
information about the relationship between city codes and transmitters, see
“Important!” under “Time Calibration Signal Reception” and “Transmitters”.

See the maps under “Approximate Reception Ranges” for information about the
reception ranges of the watch.

You can disable time signal reception, if you want. See “To turn auto receive on and
off” for more information.

Under factory default settings, auto receive is turned off for the following city codes:

MOW

 (Moscow), 

HNL

 (Honolulu), and 

ANC

 (Anchorage). For details about turning

on auto receive for these city codes, see “To turn auto receive on and off”.

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 receives the time calibration signal automatically up to
six times a day (five times a day for the Chinese calibration signal). When any auto
receive is successful, the remaining auto receive operations are not performed for that
day. 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”.

Summary of Contents for 3184

Page 1: ...Hold down C Diving Mode Timekeeping Mode Diving Log Recall Mode Tide Moon Data Mode Countdown Timer Mode Stopwatch Mode Alarm Mode World Time Mode Press C Radio controlled Atomic Timekeeping This watch receives a time calibration signal and updates its time setting accordingly This watch is designed to pick up the time calibration signals transmitted in Germany Mainflingen England Anthorn the Unit...

Page 2: ... am 1 00 am 2 00 am 2 00 am 3 00 am Standard Time Daylight Saving Time Standard Time Daylight Saving Time Standard Time Daylight Saving Time Standard Time Daylight Saving Time 1 00 am 2 00 am 2 00 am 3 00 am 3 00 am 4 00 am 4 00 am 5 00 am Midnight 1 00 am 1 00 am 2 00 am 2 00 am 3 00 am 3 00 am 4 00 am LIS LON MAD PAR ROM BER STO ATH MOW Your Home City Auto Receive Start Times 1 2 3 4 5 6 Next da...

Page 3: ...Dive time hours minutes seconds Ongoing Dive Time Measurement Screen Dive start time Current time Dive time hours minutes seconds Dive Graph Measuring Units and Ranges Dive Time Unit 1 second Range 23 59 59 24 hours Dive Interval Time Unit 1 minute Range 47 59 48 hours When the interval time exceeds the above range interval time measurement automatically stops and the current interval time disappe...

Page 4: ... its initial factory default setting 5 When the minute setting is the way you want press A to exit the adjustment screen and return to the Tide Moon Data Mode screen The high tide time setting is not affected by the DST summer time setting of the Timekeeping Mode Hour Minute On some days there are two high tides With this watch you can adjust the first high tide time only The second high tide time...

Page 5: ...art time Illumination This watch has an EL electro luminescent panel that causes the entire display to glow for easy reading in the dark The watch s auto light switch turns on illumination automatically when you angle the watch towards your face The auto light switch must be turned on indicated by the auto light switch on indicator for it to operate See Illumination Precautions for other important...

Page 6: ...1 2 hours 17 hours 5 hours 7 hours 84 hours 23 hours 13 hours 171 hours 46 hours 145 hours Exposure Level Brightness Outdoor Sunlight 50 000 lux Sunlight Through a Window 10 000 lux Daylight Through a Window on a Cloudy Day 5 000 lux Indoor Fluorescent Lighting 500 lux The above exposure time values are all for reference only Actual required exposure times depend on lighting conditions Timekeeping...

Page 7: ... certain period where it is dark The table below shows how watch functions are affected by the Power Saving function Power saving indicator Elapsed Time in Dark 60 to 70 minutes 6 or 7 days Display Blank with Power Saving indicator flashing Blank with Power Saving indicator not flashing Operation All functions enabled except for the display Auto receive beeper tone illumination and display are dis...

Page 8: ...switch and does not indicate a problem with the watch More than 15 degrees too high Specifications Accuracy at normal temperature 15 seconds a month with no signal calibration Timekeeping Hour minutes seconds p m P month day day of the week Time format 12 hour and 24 hour Calendar system Full Auto calendar pre programmed from the year 2000 to 2099 Other Home City code can be assigned one of 48 cit...

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