SEIKO DIGITAL STOPWATCH Cal. S056, S057
You are now the proud owner of a SEIKO Digital Stopwatch Cal. S056/S057. For best results, please read the
instructions in this booklet carefully before using your SEIKO Digital Stopwatch. Please keep this manual handy
for ready reference.
WARNING
NOTES ON THE BATTERY
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●
●
Do not remove the battery from the stopwatch.
If it is necessary to take out the battery, keep it out of the reach of children. If a child swallows it, consult a doctor immediately.
Never short-circuit, heat or otherwise tamper with the battery, and never expose it to fire. The battery may burst, become very
hot or catch fire.
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The battery is not rechargeable. Never attempt to recharge it, as this may cause battery leakage or damage to the battery.
NOTES ON THE STRAP
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The stopwatch has a strap for wearing it around your neck. Take good care lest it should be caught by something near you
or wind around your neck.
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Please also note that the strap may damage your clothes, or injure your hands, neck or other parts of your body.
TO PRESERVE THE QUALITY OF YOUR STOPWATCH
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WATER RESISTANCE (5 bar)
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CHEMICALS
Your stopwatch is designed and manufactured to withstand up to 5
bar, such as accidental contact with splashes of water or rain. Do not
operate the buttons when the stopwatch is wet or in water.
Be careful not to expose the stopwatch to solvents, mercury, cosmetic
spray, detergents, adhesives or paints. Otherwise, the case, etc. may
become discolored, deteriorated or damaged.
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TEMPERATURES
PERIODIC CHECK
If the stopwatch is left in direct sunlight for a long time, the display
may become black, but this condition will be corrected when the
stopwatch returns to normal temperature.
Do not leave your stopwatch in very low temperatures below -10ºC
(+14ºF) for a long time since the cold may cause:
It is recommended that the stopwatch be checked once every 2 to 3
years. Have your stopwatch checked by an AUTHORIZED SEIKO
DEALER or SERVICE CENTER to ensure that the case, buttons, gasket
and crystal seal remain intact.
a. a slight time loss or gain.
b. the change of digits to become slow.
c. the display light to dim.
However, the above conditions will be corrected when the stopwatch
returns to normal temperature.
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PRECAUTION REGARDING CASE BACK PROTECTIVE FILM
If your stopwatch has a protective film and/or a sticker on the case back,
be sure to peel them off before using it.
STATIC ELECTRICITY
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SHOCKS
Do not subject it to violent shocks.
The IC (Integrated Circuit) used in your stopwatch will be affected by
static electricity which may disturb the display. Keep your stopwatch
away from close contact with objects such as TV screens which emit
strong static electricity.
MAGNETISM
Your stopwatch will not be affected by magnetism.
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LIQUID CRYSTAL PANEL
The normal life expectancy for a liquid crystal panel is approximately
7 years. After that it may decrease in contrast, becoming difficult to
read.
Please contact your AUTHORIZED SEIKO DEALER or SERVICE CENTER
if you wish to have a new panel fitted (guaranteed one year).
FEATURES
The SEIKO Quartz Stopwatch Cal. S056/S057 is a digital stopwatch featuring a lap time/split time memory function that can store and recall up to 100 lap/split
time data. A time/calendar function is also provided. In addition, Cal. S057 has a double repeat timer function.
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STOPWATCH
The stopwatch can measure up to 100 hours in 1/100 seconds.
LAP TIME, LAP TIME IN PROGRESS AND SPLIT TIME DISPLAYS
B
■
Three separate stopwatch displays are available for lap time, lap time in progress and split
time measurements.
C
A
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MEMORY FUNCTION
Up to 100 lap/split time data can be stored in memory, and they can be recalled either during
or after the measurement.
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TIME/CALENDAR
Year, month, day, date, hour, minutes and seconds are displayed.
The calendar automatically adjusts for odd and even months including February of leap
years from January 1, 2006 to December 31, 2055.
▲
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AUTOMATIC SHUT-OFF FUNCTION (ECO)
When the stopwatch is left untouched for one hour, the display automatically becomes
blank in order to minimize battery consumption.
D
■
❈
•
DOUBLE REPEAT TIMER (This function is available only for Cal. S057.)
S057 has the indication “INTERVAL TIMER” on the front of its body.
The built-in two descending timers (which allow you to set two different timer times) can
be used repeatedly one after the other.
DISPLAY AND BUTTONS
•
Each Timer 1 and Timer 2 can be set for any desired amount of time from 10 seconds
up to 99 hours, 59 minutes and 59 seconds in one-second increments.
•
For easy distinction between Timer 1 and Timer 2, the time-up warning beeps are
different in tones.
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BATTERY LIFE INDICATOR
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STOPWATCH OPERATION
B
C
D
A
●
Before using the stopwatch, be sure to reset the digits to “00.”
When the stopwatch is stopped, press Button A.
When it is counting, press Button C to stop the measurement and then press Button A.
1
Standard measurement
Press to show the LAP TIME, LAP TIME IN PROGRESS or SPLIT TIME display.
D
C
C
A
START
STOP
RESET
2
Accumulated elapsed time measurement
Press to show the LAP TIME, LAP TIME IN PROGRESS or SPLIT TIME display.
D
C
C
C
C
A
START
STOP
RESTART
STOP
RESET
*
Restarting and stopping the stopwatch can be repeated by pressing Button C.
3
Lap time measurement
Lap time
Start
Press to show the LAP TIME or LAP TIME IN PROGRESS display.
D
Split time
C
A
LAP 1
A
LAP 2
C
A
RESET
*
“Lap time” is the time that has elapsed from the start of
one stage of an activity to that of the next stage.
“Split time” is the time that has elapsed from the start of
an activity to any given stage.
START
FINISH
*
Lap time measurement can be repeated by pressing Button A.
●
In the LAP TIME display, the previous lap time is displayed in the upper row while the
accumulated elapsed time is displayed in the lower row during measurement.
Lap No. for the previous lap
Lap time for the previous lap
Accumulated elapsed time
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In the LAP TIME IN PROGRESS display, the previous lap time is displayed in the upper
row while the current lap time measurement is displayed in the lower row during
measurement.
Lap No. for the previous lap
Lap time for the previous lap
Lap time in progress
4
Split time measurement
Press to show the SPLIT TIME display.
D
C
A
A
C
A
SPLIT 1
SPLIT 2
FINISH
RESET
START
*
Split time measurement can be repeated by pressing Button A.
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How to use the memory function
Lap/split No.
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Up to 100 lap/split time data can be stored and recalled either during or after
measurement.
A
C
D
Press to show the MEMORY RECALL display.
B
*
In memory recall after measurement, the oldest measurement stored in memory is
displayed first. In memory recall during measurement, the newest one is displayed first.
Lap time
Split time
▼
With each press, the stored data is recalled successively from the oldest to the
newest.
C
or
With each press, the stored data is recalled successively from the newest to the
oldest.
A
Flashing mark appears
while the measurement is in progress.
▼
Press to return to the STOPWATCH display.
B
●
If no lap time/split time measurement is made in the STOPWATCH display and no data is stored in memory, the display
shown at right will appear when the display is changed over to the MEMORY RECALL.
Even if the stopwatch is reset to “00,” stored data is not erased and can be recalled unless a new measurement is started.
The stopwatch can measure the lap time/split times as many times as necessary, but only the first 100 data will be stored
in memory.
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●
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DOUBLE REPEAT TIMER (for Cal. S057)
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Two timers are available for use either individually or in combination. When used together, Timer 2 starts counting down as soon as Timer 1 has finished
counting down the set time. They repeat their respective countdown cycles alternately as many times as necessary unless stopped.
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Each Timer 1 and Timer 2 can be set for any desired amount of time from 10 seconds up to 99 hours, 59 minutes and 59 seconds in one-second increments.
To use either Timer 1 or Timer 2 as a standard repeat timer, set the timer not in use to “00:00’00.”
The number of times that the timers repeat their countdown cycles can be set from 1 to 100 times. If “---“ is set for the number of repeating times, the timers
will automatically start over a new counting until stopped by the user.
TIMER SETTING
Number of times
the countdown
was repeated
Number of times
the countdown is
to be repeated
Press to show the TIMER display.
D
B
▼
A
C
Press and hold for 2 seconds to show the TIMER SETTING display.
B
*
The HOUR digits for Timer 1 start flashing.
▼
Timer 1
Press repeatedly to select the digits (flashing) to be adjusted.
C
HOUR
(TIMER 1)
MINUTES
(TIMER 1)
SECONDS
(TIMER 1)
HOUR
(TIMER 2)
MINUTES
(TIMER 2)
Timer 2
NUMBER OF TIMES THE
COUNTDOWN IS TO BE REPEATED
SECONDS
(TIMER 2)
D
▼
Press to set the flashing digits.
A
*
*
The digits move quickly if Button A is kept pressed.
By pressing Button D while the digits are flashing, both of the timers and the number of times the
countdown is to be repeated will be reset to “00:00'00"” and “000,” respectively.
▼
After all the adjustments are completed, press to return to the TIMER display.
B
●
The timers cannot be set for a time less than 10 seconds. If a time less than 10 seconds is set and Button B is pressed to return to the TIMER display, the timers
will automatically be set to “00:00'10".”
How to use the timer
In this way, both the timers repeat the countdown the number of times you have set,
showing the number of times the countdown has been completed on the display.
C
mark flashes during
the countdown.
A time-up warning beep
for Timer 2 sounds 3
seconds before the set
time is up. When the set
time is up, time-up beep
for Timer 2 sounds for 5
seconds.
Press Button C to start
Timer 1.
A time-up warning beep
for Timer 1 sounds 3
seconds before the set
time is up. When the set
time is up, time-up beep
for Timer 1 sounds for 5
seconds.
TIMER
2
starts
counting down.
TIMER 1 starts counting
down.
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To stop the time-up warning beep and time-up beep while sounding, press either Button A, B, C or D. This will not affect the time-up beeps for the subsequent
countdown cycles.
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The time-up beeps of Timer 1 and Timer 2 sound in different tones.
Restarting and stopping the timer can be repeated as many times as necessary by pressing Button C.
AUTOMATIC SHUT-OFF FUNCTION
Automatic shut-off mark
When the automatic shut-off function
is set to “ON,” this mark appears in any
display mode except while the
stopwatch is in the setting mode.
▲
When the automatic shut-off function is set to “ON” in the TIME/CALENDAR SETTING display, the following energy-saving functions will be activated to help
extend the battery life.
●
●
●
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Regardless of the display modes, when the stopwatch is left untouched for one hour, the display becomes blank in order to minimize battery consumption.
The current time will be displayed once every 10 seconds even while the display is blank, to indicate that the blank display is not caused by battery exhaustion.
While the stopwatch or timer is measuring, the display will not become blank for the energy-saving functions.
To return to the normal display, press either Button A, B, C or D. The last display before it became blank will be shown.
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HOW TO RESET THE BUILT-IN IC
When an abnormal display (broken digits, etc.) appears, follow the procedure below. The built-in IC will be reset and the watch will resume normal operation.
HOW TO RESET THE IC
Be sure to press buttons A, B, C, and D at the same time for 2 to 3 seconds. The display will become blank, and then “Sun ’06 1-1 A12:00" will be displayed.
Set the time and calendar before using the watch.
*
Please note that if the IC is reset, all the stored data will be deleted.
BATTERY CHANGE
The miniature battery which powers your stopwatch should last approximately 3 years (or approximately 7 years if the automatic shut-off function is activated). However,
because the battery is inserted at the factory to check the function and performance of the stopwatch, its actual life once in your possession may be less than the specified
period. When the battery expires, be sure to replace it as soon as possible to prevent any malfunction. For battery replacement, we recommend that you contact an
AUTHORIZED SEIKO DEALER and request a SEIKO CR2032 battery.
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For Cal. S056, if the stopwatch is used for more than 3 hours a day, the confirmation sound for button operation rings more than 50 times a day, the battery life may
be less than the specified period.
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For Cal. S057, if the stopwatch is used for more than 3 hours a day, the Double Repeat Timer function is used more than 5 times a day, and the confirmation sound
for button operation rings more than 50 times a day, the battery life may be less than the specified period.
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Battery life indicator
When all the segments of the display start flashing in the TIME/CALENDAR display, or when “
days. We suggest that you have the battery replaced by a SEIKO DEALER.
” mark starts flashing in other displays, the stopwatch may run down in 2 to 3
*
Even though the display is flashing, time accuracy is not affected.
SPECIFICATIONS
1. Frequency of crystal oscillator ............. 32,768Hz (Hz = Hertz … Cycles per second)
2. Accuracy ................................................
3. Operational temperature range ........... –10º C - +60º C
4. Desirable temperature range of use .... 0º C - +50º C
5. Display system
0.0012% or 30 seconds per month at normal temperature (25º C 3º C)
TIME/CALENDAR display ............... Hour, minutes, seconds, year, month, date and day of the week
(The calendar automatically adjusts for odd and even months including February of leap years from January 1, 2006 to December 31, 2055.)
STOPWATCH display ..................... 2 rows of digital displays and a dot matrix display (5 x 35 dots)
Hour, minutes, seconds and 1/100 seconds (Measures up to 100 hours.)
LAP TIME display/ LAP TIME IN PROGRESS display/SPLIT TIME display
Up to 100 sets of lap times and split times can be stored in memory.
TIMER display (Cal. S057) ............. Timer 1 and Timer 2 displays
Hour, minutes, seconds, the number of times the countdown was repeated and the number of times the countdown is to be repeated.
6. Display medium .................................... Nematic Liquid Crystal, FEM (Field Effect Mode)
7. Battery .................................................... SEIKO CR2032, 1 piece
8. Battery life .............................................. Approximately 3 years (or approximately 7 years if the automatic shut-off function is activated)
9. IC (Integrated Circuit) ............................ C-MOS-LSI, 1 piece
10. Battery life indicator
*
The specifications are subject to change without prior notice for product improvement.
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