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Operation Guide 3488
E-25
Dual Time
Illumination: LED (light-emitting diode)
Battery: One lithium battery (Type: CR2025)
Battery life: 10 years under the following conditions
x One 2-second light operation per day
x One 20-second alarm operation per day
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Specifications
Accuracy at normal temperature:
±
30 seconds a month
Timekeeping: Hour, minutes, seconds, pm (P), day of the week, month, day
Time format: 12-hour and 24-hour formats
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Countdown Timer
Measuring unit: 1/10 second
Input range: 1 second to 24 hours
Others: Auto repeat function, progress beeper function
Stopwatch
Measuring unit: 1/100 second
Measuring capacity: 23 hours 59 minutes, 59.99 seconds
Measuring modes: Elapsed time, split time and two finishes
Others: Target Time Alarm, Auto-Start
Alarm: Daily alarm, hourly time signal
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Illumination
The face of the watch is illuminated for easy reading in
the dark.
To turn on illumination
In any mode (except when a setting mode, with flashing
digits is on the display), press L to illuminate the display.
Illumination Precautions
x Illumination may be hard to see when viewed under
direct sunlight.
x Illumination turns off automatically whenever an alarm
sounds.
x Frequent use of illumination runs down the battery.
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4. After you set the time, press A to return to the Dual Time Mode.
x In the Dual Time Mode, the seconds count is synchronized with the seconds count
of the Timekeeping Mode.
x In the Dual Time Mode, press B to toggle between the 12-hour and 24-hour
formats.
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Dual Time Mode
The Dual Time Mode lets you keep track of the time in
another time zone. You can also select the timekeeping
format (12-hour or 24-hour) separately from the
Timekeeping Mode.
To set the Dual Time
1. Hold down A while in the Dual Time Mode. The hour
digits flash on the display because they are selected.
2. Press C to change the selection in the following
sequence.
Hour
Minutes
C
3. Press D to increase the selected digits and B to
decrease them. Holding down either button changes
the selection at high speed.
Minutes
Current time
Hour
Mode indicator
E-20
To test the alarm sound
Hold down B while in the Alarm Mode to sound the alarm.
x Note that pressing B also changes the alarm and the hourly time signal ON/OFF
settings.