Casio 4398 Watch User Manual


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Operation Guide 4398
MA0703-EA
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.
• 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.
Timekeeping Mode World Time Mode Stopwatch Mode Alarm Mode Hand Setting Mode
Press .
Mode indicator Mode indicator Mode indicator Mode indicator
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 face of the watch.
Timekeeping
Use the Timekeeping Mode to set and view a digital display of the current time and
date.
• All of the operations in this section are performed in the Timekeeping Mode, which
you enter by pressing C.
• In the Timekeeping Mode, you can press A to change the display format as shown
below.
Seconds PM indicator
Day of the Week – Day Hour : Minutes
Press .
Digital Time and Date
When setting the digital time, you can also configure settings for summer time
(Daylight Saving Time or DST), your Home City code (the code for the city where you
normally use the watch), and the 12/24-hour format.
• This watch is preset with a number of city codes, each of which represents the time
zone where that city is located. When setting the digital time, it is important that you
select the correct city code for your Home City. If your location is not included in the
preset city codes, select the preset city code that is in the same time zone as your
location.
• Note that all of the times for the World Time Mode city codes are displayed in
accordance with the digital time and date settings you configure in the Timekeeping
Mode.
• After you correctly set your Home City time and date, you can set the watch up for
timekeeping with a different city code simply by changing the Home City code in the
Timekeeping Mode.
To set the digital time and date
1.In the Timekeeping Mode, hold down A until the Home
City code starts to flash, which indicates the setting
screen.
2.Use D and B to select the code you want.
• Make sure you select your Home City code before
changing any other setting.
• For full information on city codes, see the “City Code
Table”.
3. Press C to move the flashing in the sequence shown below to select the other
settings.
SecondsDSTHome City Code
HourMinutesDay Month Year
12/24-Hour format
4. When the setting you want to change is flashing, use D and B to change it as
described below.
Screen To do this:
Change the Home City code
Toggle between Daylight Saving Time (
ON
) and
Standard Time (
OFF
)
Toggle between 12-hour (
12H
) and 24-hour
(
24H
) timekeeping
Reset the seconds to 00
Change the hour or minutes
Change the year
Change the month or day
Do this:
Press D (eastward) and B
(westward).
Press D.
Press D (+) and B (–).
• See “Daylight Saving Time (DST) Setting” below for details about the DST setting.
5. Press A to exit the setting screen.
• Resetting the seconds to 00 while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to 00
without changing the minutes.
• With the 12-hour format, the P (PM) indicator appears on the display for times in the
range of noon to 11:59 p.m. and no indicator appears for times in the range of
midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all modes.
• The year can be set in the range of 2000 to 2099.
• The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch’s batteries replaced.
• The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
Daylight Saving Time (DST) Setting
Daylight Saving Time (summer time) advances the digital time setting by one hour
from Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
To toggle the Timekeeping Mode digital time between DST and Standard Time
1.In the Timekeeping Mode, hold down A until the Home
City code setting start to flash, which indicates the setting
screen.
2.Press C once to display the DST setting screen.
3.Press D to toggle between Daylight Saving Time (ON
displayed) and Standard Time (OFF displayed).
4.Press A to exit the setting screen.
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
DST indicator
Analog Timekeeping
The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
Note
• The hands for the analog timepiece move to adjust to a new setting whenever any of
the following occurs.
When you change the digital time setting
When you change the Home City code and/or DST setting
• If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust the analog time” to match the analog setting to the digital
setting.
• Whenever you need to adjust both the digital and the analog time settings manually,
make sure you adjust the digital setting first.
• Depending on how much the hands have to move in order to adjust to the digital
time, it may take some time before they stop moving.
To adjust the analog time
1.In the Timekeeping Mode, press C four times to enter
the Hand Setting Mode.
2.Hold down A until the current digital time starts to
flash, which indicates the analog setting screen.
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