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Operation Guide 4380 4396 5048
1
MO0804-EA
About This Manual
• The operational procedures for Modules 4380 , 4396 and 5048 are identical. All of
the illustrations in this manual show Module 4380.
• Button operations are indicated using the letters shown in the illustration.
• For the sake of simplicity, the sample displays in this manual do not show the analog
hands of the watch.
• 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.
Module 4380 Module 4396 Module 5048
• 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.
Recall Mode
Dual Time Mode
Countdown Timer
Mode
Alarm Mode
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 face of the watch.
Stopwatch Mode
Press C.
Hand Setting Mode
Timekeeping Mode
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Timekeeping
Use the Timekeeping Mode to set and view the current
time and date. This watch features separate digital and
analog timekeeping. The procedures for setting the digital
time and analog time are different.
Setting the Digital Time and Date
Use the Timekeeping Mode to set and view a digital
display of the current time and date. When setting the
digital time, you also can configure settings for the
summer time (Daylight Saving Time or DST).
PM indicator
Minutes
Seconds
Month – Day
Day of week
Hours
To set the digital 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.
Hour
Minutes
Year
DST
Day
Month
Seconds
Seconds
Screen: To do this:
Reset the seconds to 00
Toggle between Daylight Saving
Time (ON) and Standard Time (OF)
Change the hour or minutes
Change the year
Change the month or day
Do this:
Press D.
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
3. When the setting you want to change is flashing, use D and B to change it as
described below.
4. Press A to exit the setting screen.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
• Any time the seconds setting is changed, the analog hands are adjusted accordingly.
• See “Daylight Saving Time (DST) Setting” below for details about the DST setting.
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and 24-
hour timekeeping.
• 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 the A (AM) 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.
• The A and P indicators are not displayed with the Timekeeping Mode time on the
Countdown Timer Mode and Dual Time Mode screens.
Daylight Saving Time (DST) Setting
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 digital 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 once and the DST setting screen appears.
3. Press D to toggle between Daylight Saving Time (ON displayed) and Standard
Time (OF displayed).
4. Press A to exit the setting screen.
• The DST indicator appears on the Timekeeping, Alarm, and Hand Setting Mode
screens to indicate that Daylight Saving Time is turned on.
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Module 4396
DST indicator
DST indicator
On/Off status
Module 4380
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DST indicator
Module 5048
On/Off status
On/Off status
Setting the Analog Time
Perform the procedure below when the time indicated by the analog hands does not
match the time of the digital display.
To adjust the analog time
1.In the Timekeeping Mode, press C six times to enter
the Hand Setting Mode.
2.Hold down A until the current digital time starts to
flash, which indicates the setting screen.
3. Use D to adjust the analog setting.
• Press D once to advance the hands 20 seconds.
• Hold down D to advance the hands at high speed.
• To lock high speed hands movement, hold down D to start it and then press B
to lock. The hands will continue to advance for one 12-hour cycle or until you
press any button to stop it.
• High-speed hand movement will stop automatically after the time advances 12
hours or if an alarm (daily alarm, Hourly Time Signal, or countdown beeper) starts
to sound.
4. Press A to exit the setting screen.
• The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.
• To return to the Timekeeping Mode, press C.
Stopwatch
The stopwatch lets you measure elapsed time, lap times,
split times, and two finishes. Lap times and split times can
be stored in memory.
• The display range of the stopwatch is 99 hours,
59 minutes, 59 seconds.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
Note
• “Lap time” is the time spent to cover a specific segment
of a race, such as one lap around a track. “Split time” is
the time spent from the beginning of a race up to a
certain point.
Minutes Seconds
1/100 secondHours
Remaining
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