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Operation Guide 3347
1
MO0405-EA
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to carefully read this manual and keep it on hand for later reference
when necessary.
• 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.
Expose the watch to bright light to charge its batteries before using it.
You can use this watch even as its batteries are being charged by exposure to
bright light.
• Be sure to read “Batteries” of this manual for important information you need
to know when exposing the watch to bright light.
If the digital display of the watch is blank...
If the Power Saving indicator ( ) is flashing on the
display, it means that the display is blank because the
watch’s Power Saving function has turned it off to
conserve power. Power Saving automatically turns off the
display and enters a sleep state whenever your watch is
left for a certain period in an area where it is dark. If the
watch is kept in the dark for a longer period, the analog
hands will also stop moving after a few days.
• The initial factory default setting is Power Saving on.
• The watch will recover from the sleep state if you move
it to a well-lit area, if you press any button, or if you
angle the watch towards your face for reading.
• See “Power Saving Function” for more information.
Power saving indicator
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.
(Light)
(Light)
▲
▲
▲
Alarm Mode Countdown Timer Mode
Stopwatch Mode
▲
General Guide
• Press C to change from mode to mode.
• In any mode, press L to illuminate the display.
Timekeeping Mode
Press C.
▲
▲
World Time Mode
Hand Setting 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).
• 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.
Day of week
Minute hand
Hour hand
Seconds
Current Time Setting
This watch automatically adjusts its time setting 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 normally use the watch. For more information, see
“To set your Home City” below.
• When using the watch outside the ranges of the U.S. time signal transmitter, you
have to adjust the current time setting manually as required. See “Timekeeping” for
more information about manual time setting.
• 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 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 scroll through the city
codes until the one you want to use as your Home City
is displayed.
• 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 Yo r k, Detroit, Miami, Boston, Montreal
• Note that this watch does not have a city code that
corresponds to Newfoundland.
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City code
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 (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.
To display the digital time and last signal screen
• In the Timekeeping Mode, press B to cycle through the digital time screens as
shown below.
• In the Timekeeping Mode, press D to display the last signal screen. The last signal
screen shows the date and time of the last successful time calibration signal
reception.
▲
Press B.
Day
Day of week
Seconds
Month. Day
Seconds
Hour:
Minutes
PM indicator
▲
▲
Press D.
Last Signal
Screen
Reception date
Seconds
Day of
week
Reception time
▲
BB
B
DST indicator
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 five
times a day at 0:00 a.m., 1:00 a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. For more
information, see “About Auto Receive”.
• Manual Receive
Manual receive lets you start a time calibration signal reception 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.
• The watch should not be on its side or facing the wrong way.
Resin Band
Metal Band