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Casio 3090 Operating Instructions Manual

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MO0706-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
Bright Light
Solar cell
• 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.
Battery charges in the light.
Bright Light
Solar cell
(Converts light to
electrical power.)
LEVEL 1
LEVEL 2
LEVEL 3
Charge
LEVEL 4
Rechargeable battery
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 display.
Radio-controlled Atomic Timekeeping
Day of week
Month – Day
PM
Home Time
indicator
(Hour : Minutes
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.
To specify your Home City
City code
German/U.K. Signal
City
City
City
Code
Name
Code
LIS
Lisbon
ATH
LON
London
MOW
MAD
Madrid
PAR
Paris
ROM
Rome
BER
Berlin
STO
Stockholm
3. Press A to exit the setting screen.
Operation Guide 3090
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.
Battery discharges in the dark.
Electrical
energy
All
LEVEL 1
functions
LEVEL 2
enabled
LEVEL 3
Dis-
charge
LEVEL 4
Timekeeping Mode
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".
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.
• Time calibration signal reception is supported when
any one of the city codes shown in the table below is
selected as your Home City.
Japan Signal
U.S. Signal
City
City
City
City
City
Name
Code
Name
Code
Name
Athens
HKG
Hong Kong
HNL
Honolulu
Moscow
BJS
Beijing
ANC
Anchorage
TPE
Taipei
YVR
Vancouver
SEL
Seoul
LAX
Los Angeles
TYO
Tokyo
YEA
Edmonton
DEN
Denver
MEX
Mexico City
• 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
Some or all
functions
disabled
World Time Mode
Press C.
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 (summer time), 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.
City
City
Make sure there are no metal objects nearby.
Code
Name
YWG
Winnipeg
CHI
Chicago
MIA
Miami
YTO
Toronto
NYC
New York
YHZ
Halifax
YYT
St. Johns
• Make sure the watch is facing the right way.
• 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.
Stopwatch Mode
Alarm Mode
Countdown Timer Mode
12 o'clock
or
1

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  Summary of Contents for Casio 3090

  • Page 1 Operation Guide 3090 Getting Acquainted Congratulations upon your selection of this CASIO watch. To get the most out of • The actual level at which some functions are disabled depends on the watch model. your purchase, be sure to read this manual carefully.
  • Page 2 Operation Guide 3090 • Proper signal reception can be difficult or even impossible under the conditions listed Note • When a calibration time is reached, the watch will receive the calibration signal only below. if it is in either the Timekeeping Mode or World Time Mode. Reception is not performed if a calibration time is reached while you are configuring settings.
  • Page 3: World Time

    Operation Guide 3090 Countdown Timer You can set the countdown timer within a range of one to Seconds Signal Reception Troubleshooting 60 minutes. An alarm sounds when the countdown Check the following points whenever you experience problems with signal reception.
  • Page 4: Power Supply

    However, after very long use, the rechargeable battery may lose its ability to achieve a full charge. If you experience problems getting the special rechargeable battery to charge fully, contact your dealer or CASIO distributor about having it replaced. One-time alarm on Snooze alarm on Alarm off •...
  • Page 5 Operation Guide 3090 • The default DST setting is Auto DST (AT) whenever you select LIS, LON, MAD, Recovery Times The table below shows the amount exposure that is required to take the battery from PAR, ROM, BER, STO, ATH, MOW, HKG, BJS, TPE, SEL, TYO, HNL, ANC, YVR, one level to the next.
  • Page 6: City Code Table

    Operation Guide 3090 City Code Table City Radio-controlled Atomic Timekeeping Precautions City Other major cities in same time zone Code Differential • Strong electrostatic charge can result in the wrong time being set. Pago Pago –11.0 • The time calibration signal is bounced off the ionosphere. Because of this, such Honolulu –10.0...