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Operation Guide 3772
1
MO0505-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.
About This Manual
• 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 Mode Countdown 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, press B to illuminate the face of the watch.
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.
Seconds
Minute hand
Hour hand
Day of week
Month – Day
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.
YVR
:Vancouver
LAX
:Los Angeles, San Francisco, Las Vegas,
Seattle/Tacoma, Tijuana
YEA
: Edmonton
DEN
:Denver, El Paso, Culiacan
MEX
:Mexico City
YWG
:Winnipeg
CHI
:Chicago, Houston, Dallas/Fort Worth, New
Orleans
MIA
:Miami
YTO
:Toronto
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City code
NYC
:New Yo r k, Detroit, Boston, Montreal
YHZ
: Halifax
YYT
:St. Johns
• Note that this watch does not have a city code that corresponds to Newfoundland.
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 A 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 time and date of the last successful time calibration signal
reception.
▲
Press A.
Hour : Minutes
PM indicator
▲
Press D.
Last Signal
Screen
Reception date
A
Reception time
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
• Proper signal reception can be difficult or even impossible under the conditions listed
below.
Inside or
among
buildings
Inside a
vehicle
Near
household
appliances,
office
equipment,
or a mobile
phone
Near a
construction
site, airport, or
other sources
of electrical
noise
Near high-
tension
power lines
Among or
behind
mountains