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Operation Guide 4765
1
MO0705-EA
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 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.
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Bright Light
Solar cell
Battery charges in the light. Battery discharges in the dark.
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
• 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 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.
• Most of the display examples in this manual show only
the digital display, without the analog hands.
• 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.
▲
▲
▲
Stopwatch ModeCountdown Timer Mode
Alarm Mode
▲
Timekeeping Mode
Press C.
▲
▲
World Time Mode
Hand Setting 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 face of the watch.
▲
Battery Level Indicator
Radio-controlled Atomic Timekeeping
This watch receives a time calibration signal and updates
its time setting accordingly.
• Supported time calibration signals: Germany
(Mainflingen), England (Rugby), United States (Fort
Collins), Japan.
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 specify your Home City (the city where you
normally will use the watch). For more information, see
“To specify your Home City”.
Day
Month Seconds
• 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.
• The analog time of this watch is synchronized with the digital time. Because of this,
the analog time setting is automatically adjusted whenever you change the digital
setting. See “Analog Timekeeping” for more information.
To specify your Home City
1. In the Timekeeping Mode, hold down A the city code
starts to flash. This is the setting screen.
2. Press D(east) to select the city code you want to use
as your Home City.
• Time calibration signal reception is supported when
any one of the city codes shown in the table below is
selected as your Home City.
German/U.K. Signal Japan Signal U.S. Signal
City
Code
LIS
LON
MAD
PAR
ROM
BER
STO
City
Name
Lisbon
London
Madrid
Paris
Rome
Berlin
Stockholm
City
Code
ATH
MOW
City
Name
Athens
Moscow
City
Code
HNL
ANC
YVR
LAX
YEA
DEN
MEX
City
Name
Honolulu
Anchorage
Vancouver
Los Angeles
Edmonton
Denver
Mexico City
City
Code
YWG
CHI
MIA
YTO
NYC
YHZ
YYT
City
Name
Winnipeg
Chicago
Miami
Toronto
New York
Halifax
St. Johns
City
Code
HKG
BJS
TPE
SEL
TYO
City
Name
Hong Kong
Beijing
Taipei
Seoul
Tokyo
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City code
3. Press A to exit the setting screen.
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.
• 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 “Home
City Codes and Transmitters”.
• Under factory default settings, auto receive is turned off for all of the following city
codes: MOW (Moscow), HKG (Hong Kong), BJS (Beijing), HNL (Honolulu), and
ANC (Anchorage). For details about turning on auto receive for these city codes, see
“To turn auto receive on and off”.
• You can disable time signal reception, if you want. See “To turn auto receive on and
off” for more information.
• See the maps under “Reception Ranges” for information about the reception ranges
of the watch.
• If you are in an area that does not use Daylight Saving Time (summertime), 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 receives the time calibration signal automatically up to
six times a day. When any auto receive is successful, the remaining auto receive
operations are not performed. 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.
12 o’clock
or
• Make sure the watch is facing the right way.