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Operation Guide 3175
MA0906-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 Alarm Mode Stopwatch Mode Countdown Timer
Mode
Press .
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.
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
• Each press of the D button in the Timekeeping Mode will cycle through the three
screens shown below.
• The day screen shows the current day and day of the week.
Hour : Minutes
PM indicator
PM indicator PM indicator
Press . Press .
Day of week Day Seconds
Day Time with Seconds Time without Seconds
To set the time and date
1.In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2.Press C to move the flashing in the sequence shown
below to select other settings.
Screen Do this:
Press D.
Press D.
Use D (east) and B (west).
Use D (+) and B (–).
Press D.
Use D (+) and B (–).
Press D.
To do this:
Reset the seconds to
Toggle between Daylight Saving Time ( )
and Standard Time ( )
Change the city code
Change the hour or minutes
Toggle between 12-hour (12H) and 24-hour
(24H) timekeeping
Change the year, month, or day
Change the Auto Screen Animation display
setting
Seconds DST
Hour
12/24-Hour Format
YearDay
City Code
Month
MinutesAuto Screen Animation
3. When the setting you want to change is flashing, use D and B to change it as
described below.
On/Off status
DST indicator
4. Press A to exit the setting screen.
• Resetting the seconds to
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
without changing the minutes.
• 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 battery replaced.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the 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 time between DST and Standard Time
1.In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2.Press C to display the DST setting screen.
3.Press D to toggle between Daylight Saving Time
(
) and Standard Time ( ).
4.Press A to exit the setting screen.
• The DST indicator is displayed on the Timekeeping
Mode screen while Daylight Saving Time is turned on.
• See “Daylight Saving Time (DST)” for details about the DST setting.
• With the 12-hour format, the P (PM) indicator appears to the left of the hour digits
for times in the range of noon to 11:59 p.m. and no indicator appears to the left of
the hour digits 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 other modes.
DST indicator
Current time in the zone
of the selected city code
City code
World Time
World Time shows the current time in 48 cities (29 time
zones) around the world.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
To view the time for another city code
In the World Time Mode, press D to scroll eastwardly
through city codes.
• For full information about city codes, see the “City Code
Table”.
• If the current time shown for a city is wrong, check your
Timekeeping Mode time and Home City code settings
and make the necessary changes.
To toggle a city code time between Standard Time and Daylight Saving Time
1.In the World Time Mode, use D to display the city code
(time zone) whose Standard Time/Daylight Saving Time
setting you want to change.
2.Hold down A for about one second to toggle between
Daylight Saving Time (DST indicator displayed) and
Standard Time (DST indicator not displayed).
• The DST indicator is on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
• Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
affected.
• Note that you cannot switch between Standard Time
and Daylight Saving Time while UTC is selected as the
city code.