Casio 5551 User Manual
MO1712-EB © 2017 CASIO COMPUTER CO., LTD.
Operation Guide 5551
ENGLISH
Congratulations upon your selection of this CASIO watch.
E-1
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.
• Note that the product illustrations in this manual are
intended for reference only, and so the actual product
may appear somewhat different than depicted by an
illustration.
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Contents
About This Manual …………………………………………………………………… E-2
Things to check before using the watch ………………………………………… E-3
Mode Reference Guide ……………………………………………………………… E-8
Timekeeping ……………………………………………………………………………E-16
To swap your Home City and World Time City ………………………………E-17
Configuring Home City Settings …………………………………………………… E-18
To configure Home City settings ………………………………………………E-18
To change the Daylight Saving Time (summer time) setting ………………E-20
Configuring Current Time and Date Settings ……………………………………E-21
To change the current time and date settings ………………………………E-21
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Using the Alarm ………………………………………………………………………E-34
To enter the Alarm Mode ………………………………………………………E-34
To set an alarm time ……………………………………………………………E-35
To test the alarm ………………………………………………………………E-36
To turn an alarm and the Hourly Time Signal on and off……………………E-37
To stop the alarm ………………………………………………………………E-37
Illumination ……………………………………………………………………………E-38
To illuminate the display manually …………………………………………… E-38
To change the illumination duration …………………………………………E-38
To enable or disable auto light…………………………………………………E-41
Adjusting Hand Positions ……………………………………………………………E-43
To adjust hand positions ………………………………………………………E-43
Button Operation Tone ………………………………………………………………E-45
To turn the button operation tone on and off …………………………………E-45
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Things to check before using the watch
1. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To configure Home City settings” (page E-18) to configure your
Home City and daylight saving time settings.
Important!
• Proper World Time Mode data depend on correct Home City, time, and date
settings in the Timekeeping Mode. Make sure you configure these settings
correctly.
2. Set the current time.
• See “Configuring Current Time and Date Settings” (page E-21).
The watch is now ready for use.
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Checking the Current Time in a Different Time Zone ……………………………E-25
To enter the World Time Mode ………………………………………………E-26
To view the time in another time zone ………………………………………E-26
To specify standard time or daylight saving time (DST) for a city …………E-27
Using the Stopwatch …………………………………………………………………E-28
To enter the Stopwatch Mode …………………………………………………E-28
To perform an elapsed time operation ………………………………………E-29
To pause at a split time …………………………………………………………E-29
To measure two finishes ………………………………………………………E-29
Countdown Timer………………………………………………………………………E-31
To enter the Countdown Timer Mode …………………………………………E-31
To configure the countdown timer ……………………………………………E-32
To perform a countdown timer operation ……………………………………E-33
To stop the alarm ………………………………………………………………E-33
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Troubleshooting ………………………………………………………………………E-46
Main Indicators …………………………………………………………………………E-47
Specifications …………………………………………………………………………E-48
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Mode Reference Guide
The mode you should select depends on what you want to do.
To do this: Enter this mode: See:
• View the current time in the Home City
• View the current time in one of 48 cities (31 time zones)
around the globe
• View the current date in the Home City
• Configure Home City and daylight saving time (DST)
settings
• Configure time and date settings
• Configure World Time City and daylight saving time
(DST) settings
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All Modes
Timekeeping Mode
World Time Mode
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E-16
E-18
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To do this: Enter this mode: See:
• Use the stopwatch to measure elapsed time Stopwatch Mode E-28
• Use the countdown timer Countdown Timer Mode E-31
• Set an alarm time Alarm Mode E-34
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Operation Guide 5551
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Selecting a Mode
• Press C to cycle between the modes as shown below.
• To return to the Timekeeping Mode from any other mode, hold down C for about
two seconds.
• In any mode (except a setting mode), press B to illuminate the display.
Home Time : hour and minutes
Timekeeping Mode World Time Mode
Stopwatch Mode Countdown Timer Mode Alarm Mode
CC
World Time : hour and minutes
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General Functions (All Modes)
The functions and operations described in this section can be used in all of the modes.
Auto Return Features
•
The watch will automatically return to the Timekeeping Mode if you do not perform any
operation for a certain amount of time, as described below.
Alarm
Time or other setting mode
(information flashing on the display)
Scrolling
•
The B and D buttons are used on the setting mode to scroll through data on the
display. In most cases, holding down these buttons during a scroll operation scrolls
through the data at high speed.
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Moving the Hands Out of the Way for Better Viewing
You can use the procedure below to temporarily move the hour and minute hands out
of the way to better view what is on the display.
• This operation can be performed in any mode. In the case of a setting mode
(information flashing on the display), the hands will move out of the way
automatically, even if you do not perform the operation below.
Mode Approximate Elapsed Time
2 to 3 minutes
1. While holding down B, press C.
• This will cause the hour and minute hands to move to
a location where they do not block your view of the
World Time and/or digital display.
CC
C
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Graphic Area
• The graphic area indicates the seconds count in the Timekeeping Mode (page E-16),
World Time Mode (page E-25), Stopwatch Mode (page E-28), and Timer Mode (page E-31).
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2. Holding down B again as you press C will cause the hands to return to their
normal positions (normal timekeeping).
Note
• Watch button functions are the same regardless of whether the hands are move out
of the way or at their normal positions.
• Changing to another mode will cause the hands to move back to their normal
positions.
• The hands also will move back to their normal positions automatically if no operation
is performed for about one hour.
Flashes while the hands
are moved out of the way.
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Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
Home Time :
hour and minutes
World Time :
hour and minutes
Home City information
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• Each press of A cycles the Home City information as
shown below.
Month, Day,
Seconds
A
Day of week,
Seconds
A
Hour : Minutes,
A
PM indicator
Seconds
Configuring Home City Settings
There are two Home City settings: actually selecting the Home City, and selecting
either standard time or daylight saving time (DST).
To configure Home City settings
City Code
1. In the Timekeeping Mode, hold down A until ADJ
appears.
• This indicates the city code setting mode.
2. Press D (East) and B (West) to select the city code
you want to use as your Home City.
• For details about city codes, see the “City Code
Table” at the back of this manual.
3. After the setting is the way you want, press A to return
to the Timekeeping Mode.
To swap your Home City and World Time City
In the Timekeeping Mode, hold down D for about three seconds.
This swaps your Home City and World Time City.
Example: To swap the Home City (TYO) and World Time City (NYC)
Current Home City (TYO) time New Home City (NYC) time
D
Hold down
Current World Time City
(NYC) time
Current Home City (TYO) information New Home City (NYC) information
B
Note
• After you specify a city code, the watch will use UTC* offsets in the World Time
Mode to calculate the current time for other time zones based on the current time in
your Home City.
* Coordinated Universal Time, the world-wide scientific standard of timekeeping.
The reference point for UTC is Greenwich, England.
New Home City
New World Time City
(TYO) time
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E-17
E-18
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