MO0606-EA
Operation Guide 3054
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.
Caution!
Your watch is shipped with it Auto Display feature (which continually changes the contents of the digital display) turned on. Calibration signal reception is disabled while Auto Display is turned on.
Press any button to turn off Auto Display and return to the Timekeeping Mode.
General Guide
•Press Cto change from mode to mode.
•In any mode (except when a setting screen is on the display), press B to illuminate the display.
Timekeeping Mode
Press C.
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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 in order to perform operations in each mode. Further details and technical information can be found in the “Reference” section.
World Time Mode | Countdown Timer Mode |
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Alarm Mode | Stopwatch Mode |
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Radio-controlled Atomic Timekeeping
Month – Day | This watch receives a time calibration signal and updates | |||||||||
PM |
| Year | its time setting accordingly. | |||||||
indicator |
| • Supported time calibration signals: United States (Fort | ||||||||
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| Collins), England (Rugby). | |
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| Current Time Setting | |
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| This watch adjusts its time setting automatically in | |
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| accordance with a time calibration signal. You can also | |
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| perform a manual procedure to set the time and date, | |
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| when necessary. | |
Day of week |
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| • The first thing you should do after purchasing this watch | ||||
Home Time |
| is to specify your Home City (the city where you | ||||||||
| normally will use the watch). For more information, see | |||||||||
(Hour : Minutes Seconds) | ||||||||||
“To specify your Home City”. | ||||||||||
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•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
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| 1. In the Timekeeping Mode, hold down Auntil the city | ||||||
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| code starts to flash, which indicates the setting screen. | ||||||
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| 2. Press D(east) and B(west) to select the city code you | ||||||
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| any one of the city codes shown in the table below is | ||||||||
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City code |
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| selected as your Home City. |
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| U.S. Signal |
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| U.K. Signal |
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| City | City | City | City | City | City | City | City |
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| Code | Name | Code | Name | Code | Name | Code | Name |
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| HNL | Honolulu | YWG | Winnipeg | LIS | Lisbon | ATH | Athens |
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| ANC | Anchorage | CHI | Chicago | LON | London | MOW | Moscow |
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| YVR | Vancouver | MIA | Miami | MAD | Madrid |
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| LAX | Los Angeles | YTO | Toronto | PAR | Paris |
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| YEA | Edmonton | NYC | New York | ROM | Rome |
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| DEN | Denver | YHZ | Halifax | BER | Berlin |
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| MEX | Mexico City | YYT | St. Johns | STO | Stockholm |
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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: HNL (Honolulu), ANC (Anchorage), ATH (Athens), and MOW (Moscow). 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
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•Make sure the watch is facing the right way.
•Proper signal reception can be difficult or even impossible under the conditions listed below.
Inside or | Inside a | Near | Near a | Near high- | Among or |
among | vehicle | household | construction | tension | behind |
buildings |
| appliances, | site, airport, | power lines | mountains |
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| office | or other |
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| equipment, | sources of |
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| or a mobile | electrical |
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| phone | noise |
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•Signal reception normally is better at night than during the day.
•Time calibration signal reception takes from two to seven minutes, but in some cases it can take as long as 14 minutes. Take care that you do not perform any button operations or move the watch during this time.
•The time calibration signal the watch will attempt to pick up depends on its current Home City code setting as shown below.
Home City Codes and Transmitters
Home City Code | Transmitter | Frequency | |
HNL*, ANC*, YVR, |
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LAX, YEA, DEN, MEX, | Fort Collins, Colorado | 60.0 kHz | |
YWG, CHI, MIA,YTO, | (the United States) | ||
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NYC,YHZ, YYT |
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LIS, LON, |
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MAD, PAR, ROM, BER, | Rugby (England) | 60.0 kHz | |
STO, ATH*, MOW* |
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*The areas covered by the HNL, ANC, ATH, and MOW city codes are quite far from the time calibration signal transmitters, and so certain conditions may cause problems with signal reception.
Reception Ranges
U.S. Signal | U.K. Signal |
1,500 kilometers
2,000 miles
(3,000 kilometers)
Rugby
600 miles
(1,000 kilometers)
Fort Collins
500 kilometers
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