MO0804-EA
Operation Guide 4380 4396 5048
About This Manual
Module 4380
Module 4396
Module 5048
• 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.
• 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.
General Guide
• Press Cto change from mode to mode.
• In any mode (except when a setting screen is on the display), press Bto illuminate
Countdown Timer
Mode
the face of the watch.
Stopwatch Mode
Recall Mode
Timekeeping Mode
Press C.
Hand Setting Mode
Dual Time Mode
Alarm Mode
Timekeeping
Use the Timekeeping Mode to set and view the current
Daylight SavingTime (DST) Setting
Day of week
time and date. This watch features separate digital and
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.
Month – Day
analog timekeeping. The procedures for setting the digital
time and analog time are different.
To toggle the Timekeeping Mode digital time between DST and Standard Time
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).
On/Off status
l
ll
Minutes
l
Hours
PM indicator
To set the digital time and date
1. In the Timekeeping Mode, hold down Auntil the
Seconds
On/Off status
DST indicator
On/Off status
Module 4396
DST indicator
Module 5048
DST indicator
Module 4380
seconds start to flash, which indicates the setting
screen.
2. Press Cto move the flashing in the sequence shown
below to select other settings.
1. In the Timekeeping Mode, hold down Auntil the seconds start to flash, which
indicates the setting screen.
2. Press Conce and the DST setting screen appears.
3. Press Dto toggle between Daylight Saving Time (ON displayed) and Standard
Time (OF displayed).
4. Press Ato exit the setting screen.
Seconds
Day
DST
Month
Hour
Minutes
Year
•
The DST indicator appears on the Timekeeping, Alarm, and Hand Setting Mode
screens to indicate that Daylight Saving Time is turned on.
Seconds
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.
3. When the setting you want to change is flashing, use Dand Bto change it as
described below.
To adjust the analog time
Screen:
To do this:
Do this:
1. In the Timekeeping Mode, press Csix times to enter
the Hand Setting Mode.
Reset the seconds to 00
Press D.
2. Hold down Auntil the current digital time starts to
flash, which indicates the setting screen.
3. Use Dto adjust the analog setting.
• Press Donce to advance the hands 20 seconds.
• Hold down Dto advance the hands at high speed.
Toggle between Daylight Saving
Press D.
Time (ON) and Standard Time (OF)
Change the hour or minutes
Use D(+) and B(–).
Use D(+) and B(–).
Change the year
• To lock high speed hands movement, hold down Dto 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.
Change the month or day
• 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 Ato exit the setting screen.
• The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.
4. Press Ato 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 return to the Timekeeping Mode, press C.
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press Dto 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.
Stopwatch
The stopwatch lets you measure elapsed time, lap times,
Remaining
free records
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.
Hours
1/100 second
Minutes Seconds
1
Operation Guide 4380 4396 5048
Countdown Timer
You can set the countdown timer within a range of one
minute to 24 hours. An alarm sounds when the countdown
reaches zero.
• You also can select auto-repeat, which automatically
restarts the countdown from the original value you set
whenever zero is reached.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Timekeeping Mode time
4. While a setting is flashing, use D(+) and B(–) to change it.
• To set an alarm that does not include a month (daily alarm, monthly alarm), set x
for the month. Use Dand Buntil the x mark appears (between 12 and 1) while
month setting is flashing.
• To set an alarm that does not include a day (daily alarm, 1-month alarm), set xx
for the day. Use Dand Buntil the xx mark appears (between the end of the
month and 1) while the day setting is flashing.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (A indicator) or p.m. (P indicator).
Hours
Seconds
5. Press Ato exit the setting screen.
Minutes
Alarm Operation
Auto-repeat
on indicator
The alarm sounds at the preset time for about 10 seconds. In the case of the snooze
alarm, the alarm operation is performed a total of seven times, every five minutes, until
you turn the alarm off or change it to a one-time alarm.
• Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode time.
To use the countdown timer
Press Dwhile in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached and auto-repeat is turned off, the alarm
sounds for 10 seconds or until you stop it by pressing any button. The countdown
time is reset automatically to its starting value after the alarm stops.
• When auto-repeat is turned on, the countdown will restart automatically without
pausing when it reaches zero. The alarm sounds when the countdown reaches zero.
• The countdown timer measurement operation continues even if you exit the
Countdown Timer Mode.
Note
• Pressing any button stops the alarm tone operation.
• Performing any one of the following operations during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the Alarm1 setting screen
• Press Dwhile a countdown operation is in progress to pause it. Press Dagain to
resume the countdown.
• To stop a countdown operation completely, first pause it (by pressing D), and then
press A. This returns the countdown time to its starting value.
To test the alarm
In the Alarm Mode, hold down Dto sound the alarm.
To configure countdown start time and auto-repeat settings
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down Auntil the hour
setting of the countdown start time starts to flash, which
indicates the setting screen.
To select the operation of Alarm1
1. In the Alarm Mode, use Dto select Alarm1.
2. Press Ato cycle through the available settings in the sequence shown below.
Module 4380
Module 4396
Module 5048
Module 4380
Module 4396
Module 5048
• If the countdown start time is not displayed, use the
procedure under “To use the countdown timer” to
display it.
2. Press Cto move the flashing in the sequence shown
below, and select the setting you want to change.
One-time alarm on
Snooze alarm on
Alarm off
Auto-repeat
on indicator
On/Off status
• The applicable alarm on indicator is displayed in all modes when an alarm is turned
on.
• The snooze indicator flashes during the 5-minute intervals between alarms.
• Displaying the Alarm1 setting screen while the snooze alarm is turned on turns off
the snooze alarm automatically (making Alarm1 a one-time alarm).
Start Time
(Hours)
Start Time
(Minutes)
Auto-Repeat
On/Off
3. Perform the following operations, depending on which setting currently is selected
on the display.
To turn Alarms 2 and 3 on and off
• While the start time setting is flashing, use D(+) and B(–) to change it.
• Set 0:00 to specify 24 hours.
• While the auto-repeat on/off setting (0N or 0F) is flashing on the display, press
Dto toggle auto-repeat on (0N) and off (0F).
4. Press Ato exit the setting screen.
• The auto-repeat on indicator (
) is displayed on the Countdown Timer Mode
screen while this function is turned on.
• Frequent use of auto-repeat and the alarm can run down battery power.
Alarm on indicator
Alarm on indicator
Alarm on indicator
Module 4380
Module 4396
Module 5048
Alarms
1. In the Alarm Mode, use Dto select a one-time alarm (alarm number 2 or 3).
2. Press Ato toggle the displayed alarm on and off.
You can set up to three independent multi-function alarms
with hour, minutes, month, and day. When an alarm is
turned on, the alarm tone sounds when the alarm time is
reached. One of the alarms can be configured as a
snooze alarm or a one-time alarm, while the other two are
one-time alarms.
Alarm date
(Month – Day)
• Turning on a one-time alarm (2 or 3) displays the alarm on indicator on its screen.
• The alarm on indicator is displayed in all modes.
• If any alarm is on, the alarm on indicator is shown on the display in all modes.
To turn the hourly time signal on and off
You also can turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
• There are three alarm screens numbered 1 through 3.
The hourly time signal screen is indicated by :00.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
Alarm number
Alarm time
(Hour : Minutes)
Alarm Types
Hourly time signal on indicator Hourly time signal on indicator Hourly time signal on indicator
The alarm type is determined by the settings you make, as described below.
Module 4380
Module 4396
Module 5048
• Daily alarm
1. In the Alarm Mode, use Dto select the Hourly Time Signal.
2. Press Ato toggle the displayed item on and off.
• Turning on the Hourly Time Signal displays the hourly time signal on indicator on its
screen.
Set the hour and minutes for the alarm time. This type of setting causes the alarm to
sound everyday at the time you set.
• Date alarm
Set the month, day, hour and minutes for the alarm time. This type of setting causes
the alarm to sound at the specific time, on the specific date you set.
• The hourly time signal on indicator is displayed in all modes.
• 1-Month alarm
Dual Time
Set the month, hour and minutes for the alarm time. This type of setting causes the
alarm to sound everyday at time you set, only during the month you set.
The Dual Time Mode lets you keep track of time in a
different time zone.You can select Standard Time or
Daylight Saving Time for the Dual Time.
• The seconds count of the Dual Time is synchronized
with the seconds count of the Timekeeping Mode.
Timekeeping Mode time
• Monthly alarm
Set the day, hour and minutes for the alarm time. This type of setting causes the alarm
to sound every month at the time you set, on the day you set.
To set an alarm time
To set the Dual Time
1. In the Alarm Mode, use Dto scroll through the alarm
screens until the one whose time you want to set is
displayed.
1. Press Cto enter the Dual Time Mode.
2. In the Dual Time Mode, hold down Auntil the DST
setting starts to flash, which indicates the setting screen.
3. Press Cto move the flashing in the sequence shown
below to select the other setttings.
Dual time
(Hour : Minutes Seconds)
x1
x2
x3
:00
DST
Hour
Minutes
• You can configure Alarm 1 as a snooze alarm or a one-time alarm. Alarms 2
and 3 can be used as one-time alarms only.
• The snooze alarm repeats every five minutes.
2. After you select an alarm, hold down Auntil the hour setting of the alarm time
starts to flash. This indicates the setting screen.
4. When the setting you want to change is flashing, use Band Dto change it as
described below.
• This operation turns on the alarm automatically.
Screen:
To do this:
Do this:
3. Press Cto move the flashing in the sequence shown below to select other settings.
Toggle between Daylight Saving
Time (ON) and Standard Time (OF)
Change the hour or minutes
Press D.
Hour
Minutes
Month
Day
Use D(+) and B(–).
5. Press Ato exit the setting screen.
• The DST indicator on the Dual Time Mode screen indicates that DST is turned on for
the Dual Time Mode time.
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Operation Guide 4380 4396 5048
Illumination
This watch has an EL (electro-luminescent) panel that
cause the face of watch to glow for easy reading in the
dark.
• See “Illumination Precautions” for other important
information about using illumination.
To illuminate the face of the watch
In any mode (except when a setting screen is on the
display), press Bto illuminate the face of the watch.
• You can use the procedure below to select either
1.5 seconds or 3 seconds as the illumination duration.
When you press B, the illumination will remain on for
about 1.5 seconds or 3 seconds, depending on the
current illumination duration setting.
To specify the illumination duration
1. In the Timekeeping Mode, hold down Auntil the
seconds start to flash, which indicates the setting
screen.
2. While the seconds are flashing, press Bto toggle the
illumination duration between 1.5 seconds ( ) and 3
seconds ( ).
3. Press Ato exit the setting screen.
Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Auto Return Feature
• If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch saves any settings you have made up to
that point and exits the setting screen automatically.
• The watch will change to the Timekeeping Mode automatically if you do not perform
any operation in the Recall Mode, Alarm Mode, or Hand Setting Mode for two or
three minutes.
Button Operation Tone
Module 4380
Module 4396
Module 5048
The button operation tone sounds any time you press one of the watch’s buttons.You
can turn the button operation tone on or off as desired.
• The multi-function alarms and Countdown Timer Mode alarm will sound even if the
button operation tone is turned off.
To turn the button operation tone on and off
In any mode (except when a setting screen is on the display), hold down Cto toggle
the button operation tone on (mute indicator not displayed) and off (mute indicator
displayed).
• Holding down Cto turn the button operation tone on or off also causes the watch’s
current mode to change.
• The mute indicator is displayed in all modes when the button operation tone is
turned off.
Scrolling
The Band Dbuttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls through the data at high speed.
Timekeeping
• Resetting the seconds to 00 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 00 without changing the minutes.
• 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 batteries replaced.
Illumination Precautions
• The electro-luminescent panel that provides illumination loses power after very long
use.
• Illumination 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.
• Illumination turns off automatically whenever an alarm sounds.
• Frequent use of illumination runs down the batteries.
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