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Operation Guide 3472/3479
E-15
Specifications
Accuracy at normal temperature: ±30 seconds a month
Timekeeping: Hour, minutes, seconds, p.m., day, and day of the week
Time system: Switchable between 12-hour and 24-hour formats
Calendar system: Auto-calendar set at 28 days for February
Alarm: Daily alarm, Hourly time signal
Stopwatch
Measuring units: 1/100 seconds
Measuring capacity: 59 minutes, 59.99 seconds
Measuring modes: Elapsed time, split time, and two finishes
Illumination: LED (light-emitting diode)
Battery: One lithium battery
Type: CR1616
Battery life: Approx. 3 years
x 1 second of illumination operation per day
x 20 seconds of alarm operation per day
Specifications are subject to change without notice.
E-14
3. While the second’s digits are selected (flashing), press C to reset the seconds
to
. If you press C while the second’s count is in the range of 30 to 59, the
seconds are reset to
and 1 is added to the minutes. If the second’s count is in
the range of 00 to 29, the minute’s count is unchanged.
4. While any other digits (besides seconds) are selected (flashing), press C
to increase the number. While the day of the week is selected, pressing C
advances to the next day. Holding down C changes the current selection at
high speed.
5. After you set the time and date, press B to return to the Timekeeping Mode.
x If you do not operate any button for one or two minutes while a selection is flashing,
the flashing stops and the watch goes back to the Timekeeping Mode automatically.
E-13
Time Setting
Use the Time Setting Mode to set the current time and
date.
To set the time and date
1. Use B to enter the Time Setting Mode (page E-5).
x The second’s digits flash because they are selected.
2. Press A to change the selection in the following
sequence.
Minutes
Seconds
Month
Hour
Day
Day of
the Week
AA
AA
A
A
PM indicator
Day of week
Day
Hour : Minutes Seconds
E-12
To measure times with the stopwatch
(a) Elapsed time measurement
C C C C A
Start Stop Resume Stop Clear
(b) Split time measurement
C A A C A
Start Split
(SPL displayed)
Split release Stop Clear
(c) Split time and 1st-2nd place times
C A C A A
Start Split
First runner
finishes.
Display time of
first runner.
Stop
Second runner
finishes.
Split release
Display time of
second runner.
Clear
E-11
Stopwatch
The Stopwatch Mode lets you measure elapsed time,
split times, and two finishes. The range of the stopwatch
is 59minutes, 59.99 seconds.
x The stopwatch continues to run, restarting from zero after
it reaches its limit, until you stop it.
x An ongoing elapsed time measurement operation will
continue internally even if you change to another mode.
However, if you exit the Stopwatch Mode while a split
time is displayed, the split time will not be displayed when
you return to the Stopwatch Mode.
x All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing B (page
E-5).
Mode indicator
Minutes
1/100 second
Seconds
E-10
To stop the alarm
Press any button to stop the alarm after it starts to sound.
To switch the Daily Alarm and Hourly Time Signal on and off
Press C while in the Alarm Mode to change the status of the Daily Alarm and
Hourly Time Signal in the following sequence.
Both on Both off Daily Alarm only Hourly Time
Signal only
To test the alarm
Hold down C while in the Alarm Mode to sound the alarm.