1
Operation Guide 2996
MA0510-EA
About This Manual
• All of the displays in this manual show black on white.
• 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 Countdown Timer Mode Alarm Mode
Press .
General Guide
• Press C to change from mode to mode.
• In any mode, press L to illuminate the display.
Hour : Minutes Seconds
PM indicator
Day of week
Day
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
Read this before you set the time and date !
The times displayed in the Timekeeping Mode and World
Time Mode are linked. Because of this, make sure you
select a city code for your Home City (the city where you
normally use the watch) before you set the time and date.
• To view the current Home City code setting, press A
while in the Timekeeping Mode.
• For full information on city codes, see the “City Code
Table”.
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.
Seconds DST
Hour Minutes
Year 12/24-Hour FormatDay
City Code
Month
3. When the setting you want to change is flashing, use D and B to change it as
described below.
Screen Do this:
Press D.
Use D (east) and B (west).
Press D.
Use D (+) and B (–).
Press D.
Use D (+) and B (–).
To do this:
Reset the seconds to
Change the city code
Toggle between Daylight Saving Time ( )
and Standard Time ( )
Change the hour or minutes
Toggle between 12-hour ( ) and 24-hour
( ) timekeeping
Change the year, month, or day
• See “Daylight Saving Time (DST)” for details about the DST setting.
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.
• 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 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 twice 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 and Alarm Mode screens while Daylight Saving
Time is turned on.
Current time in the zone
of the selected city code
City code
DST indicator
On/Off status
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 or B to scroll westwardly.
• 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 and B 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.
• In the World Time Mode, you can switch the city code
you currently have selected as your Timekeeping Mode
Home City between Standard Time and DST. The
setting you select in the World Time Mode will also be
applied in the Timekeeping Mode.
DST indicator
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 59 minutes,
59.99 seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
Minutes Seconds
1/100 second
To measure times with the stopwatch
Elapsed Time
Start
Stop Re-start Stop Clear
Start
Split
( displayed)
Split release Stop Clear
Start
Split Stop Split release Clear
Split Time
Two Finishes
First runner
finishes.
Display time of
first runner.
Second runner
finishes.
Display time of
second runner.