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Operation Guide 3310
1
MO0402-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 battery before using it.
You can use this watch even as its battery is being charged by exposure to bright
light.
• Be sure to read “Battery” 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 (
PS
) 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 or if you press any button.
• 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.
• In any mode, press B to illuminate the display.
▲
▲
▲
Battery Level Indicator
Alarm ModeStopwatch Mode
▲
Timekeeping Mode
Press C.
▲
▲
World Time Mode
Hand Setting Mode
or
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 manual refers to the area
that consists of Canada, the continental United States, and
Mexico.
Day
Day of week
Minute hand
Hour hand
Second hand
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. and Japanese time signal
transmitters, 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
transmitter indicator (
US
) starts to flash, which
indicates the setting screen.
• The second hand will move at high speed to the 12
o’clock position, where it will stop.
2.Press C once so the city code is flashing on the
display.
3. 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 York, Detroit, Miami, Boston, Montreal
TYO
: All cities in Japan
• Note that this watch does not have a city code that corresponds to Newfoundland.
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Transmitter indicator
4. Press A twice to exit the setting screen.
• The first press of A displays the 12/24-hour setting screen. Pressing A again exits
the setting screen.
• The second hand will advance at high speed to the correct position in accordance
with seconds count of the digital time, and resume normal movement from there.
• 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 date and time of the last successful time calibration signal
reception.
Last Signal Screen
Reception date
Day of week
Press A.
Day
▲
▲
Receiving indicator
A
2 seconds
A
Press D.
Hour : Minutes
PM indicator
Date Screen Receiving Indicator
and Seconds Count
Current Time Screen
▲
▲
Seconds
Reception Time
2 seconds
2 seconds
▲
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 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.
Resin Band
Metal Band
• The watch should not be on its side or facing the wrong way.