
USER’S GUIDE 2625
1
General Guide
•Press Cto change from mode to mode.
•The animation area shows different animated characters and graphics, depending
on the mode and the operation being performed.
Press .
Timekeeping Mode Stopwatch Mode Alarm ModeCountdown Timer Mode
Animation area 
Timekeeping Mode
This section provides information on setting the time and date.
Animation area
Month ScreenDay of the week Screen
Day of week – Day Month – Day 
Seconds 
Hour : Minutes 
PM indicator 
Graphicarea
Press .
•In the Timekeeping Mode, press Bto switch between the day of the week and
month screens.
•In the Timekeeping Mode, press Eto illuminate the display for about three
seconds.
•In the Timekeeping Mode, press Dto switch between the 12-hour and 24-hour
formats.
•When the 12-hour format is selected, “p.m.” times are indicated on the display by P,
while “a.m.” times are indicated by A. No indicators are used with the 24-hour
format.
•The graphic area of the Timekeeping Mode screens shows patterns that indicate the
passage of seconds.
•Various animated figures move in the animation area as seconds pass in the
Timekeeping Mode. At 00 and 30 seconds, a high-speed animated graphic appears.
To set the time and date
1. Hold down Awhile in the Timekeeping Mode until the seconds digits start to flash
on the display. The seconds flash because they are 
selected
.
2. Press Cto change the selection in the following sequence.
Seconds
Day
Hour Minutes
Year
Month
3. While the seconds digits are selected (flashing), press Dto reset the seconds to
00.
•If you press Dwhile the seconds count is in the range of 30 to 59, the seconds are
reset to 00 and 1 is added to the minutes. If the seconds count is in the range of
00 to 29, the minutes count is unchanged.
4. While any other digits (besides seconds) are selected (flashing), press Dto
increase the number. Holding down Dchanges the current selection at high
speed.
5. After you set the time and date, press Ato return to the Timekeeping Mode.
•The day of the week is automatically set in accordance with the date.
•The date can be set within the range of January 1, 2000 to December 31, 2039.
•If you do not operate any button for a few minutes while a selection is flashing, the
flashing stops and the watch goes back to the Timekeeping Mode automatically.
DST (Daylight Saving Time)
Daylight Saving Time (DST) automatically advances the time setting by one hour from
Standard Time. Whether you should use Daylight Saving Time depends on the
geographic area where you are currently located.
To switch between Standard Time and Daylight
Saving Time
In the Timekeeping Mode, hold down Bfor about two
seconds until the watch beeps twice.
•The colon between the hour and minutes digits flashes
while Daylight Saving Time is selected.
Backlight
A backlight that uses an EL (electro-luminescent) panel causes the entire display to
glow for easy reading in the dark. Depending on the mode, pressing Eor Bturns on
the backlight for about three seconds. See the sections that cover each mode for
information on whether you should press Eor B.
•The backlight of the watch employs an electro-luminescent (EL) light, which loses
illuminating power after very long use.
•The illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
•The watch may emit an audible sound whenever the display is illuminated. This is
due to vibration of the EL panel used for illumination, and does not indicate
malfunction.
•The backlight automatically turns off whenever an alarm sounds.
Countdown Timer Mode
The Countdown Timer Mode has three 60-minute timers
whose starting time can be set in one-minute increments.
When the countdown reaches zero, an alarm sounds.
•In the Countdown Timer Mode, press Bto illuminate
the display for about three seconds. To illuminate the
display while setting the countdown time (while the
minutes digits are flashing), press E.
•The starting times of the countdown timers are preset to
15, 30, and 60 minutes when you purchase it. You can
use these settings as they are, or you can change to
different starting times if you want.
To use a countdown timer
1. Press Dwhile in the Countdown Timer Mode to select the timer whose time you
want to use.
Timer 1 Timer 3
Timer 2
•Pressing Ddoes not change the timer selection if a countdown timer operation is
currently in progress or is paused. You must stop the ongoing countdown operation
before you can change to another timer.
2. Press Eto start the countdown timer.
•When the countdown reaches zero, an alarm sounds for 10 seconds or until you
stop the alarm by pressing any button. The countdown time is automatically reset to
its starting value after the alarm stops.
•Press Ewhile a countdown operation is in progress to pause it. Press Eagain to
resume the countdown.
•To completely stop a countdown operation, first pause it (by pressing E), and then
press D. This returns the countdown time to its starting value.
To change a countdown time
1. Press Dwhile in the Countdown Timer Mode to select the timer whose time you
want to change.
2. After you select a timer, hold down Auntil the minutes digits start to flash on the
display.
3. Press Dto increase the minutes. Holding down Dchanges the minutes at high
speed.
4. After you set the countdown time, press Ato return to the Countdown Timer Mode.
•If you do not operate any button for a few minutes while a selection is flashing, the
flashing stops and the watch goes back to the Countdown Timer Mode
automatically.
About countdown indicators
An audible beep, the EL backlight, and the graphic area on the display keep you
informed about the progress of the countdown as noted in the following table.
1/10 second 
Seconds 
Graphic area 
Mode indicator – Timer No. 
Minutes 
Indication More than Less than Time Up
5 minutes 5 minutes
Graphic Area
Indication Start 5'00"0 Time Up
Beep 1 second 1 second 10 seconds
Backlight 1 second 1 second 2 seconds
Stopwatch Mode
The Stopwatch Mode lets you measure elapsed time, split
times, and two finishes. You also get Auto-Start function.
The 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.
•In the Stopwatch Mode, press Bto illuminate the
display for about three seconds.
To measure elapsed time
1. Press Eto start the stopwatch.
2. Press Eto stop the stopwatch.
•You can resume the measurement operation by
pressing Eagain.
3. Press Dto clear the stopwatch to all zeros.
To record split times
1. Press Eto start the stopwatch.
2.
Press 
D
 to display the timing up to that point. Stopwatch timing continues internally.
3. Press Dto clear the split time and to continue time measurement on the display.
•You can repeat steps 2 and 3 as many times as you want.
4. Press Eto stop the time measurement.
5. Press Dto clear the stopwatch to all zeros.
Mode indicator 
1/100 second 
Seconds 
Minutes 
Flashing