Ca l. 7 T9 4
INSTRUCTIONS
(P.
3)
BEDIENUNGSANLEITUNG
INSTRUCTIONS
ISTRUZIONI
(S. 20)
(P. 37)
(P. 54)
(P. 71)
(P. 88)
(105 頁)
INSTRUCCIONES
INSTRUÇÕES
用法説明
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CONTENTS
Page
SETTING THE TIME AND ADJUSTING THE STOPWATCH HAND POSITION ........
SETTING THE DATE ................................................................................................
STOPWATCH ...........................................................................................................
5
8
9
SECURITY LOCK BUTTON OPERATION ................................................................. 11
TACHYMETER ......................................................................................................... 12
BATTERY CHANGE .................................................................................................. 14
SPECIFICATIONS ..................................................................................................... 16
TELEMETER............................................................................................................
17
✩ For the care of your watch, see “TO PRESERVE THE QUALITY OF YOUR
WATCH” in the attached Worldwide Guarantee and Instruction Booklet.
3
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CAL. 7T94
■ TIME/ CALENDAR
■ STOPWATCH
Measures up to 60 m inutes in 1/5 second
increm ents.
Split tim e m easurem ent is possible.
STOPWATCH minute hand
STOPWATCH 1/5-second hand
Minute hand
Hour hand
A
Date
6
CROWN
a
b
c
a : Norm a l p osition
b : First c lic k
c : Se c ond c lic k
B
Small second hand
* For the operation of push-button A and B, see “Security lock button operation”.
* The calendar may be either at the three o’clock or nine o’clock position.
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4
SETTING THE TIME AND
ADJ USTING THE STOPWATCH HAND POSITION
● This watch is so designed that the following are all m ade w ith the crow n at the second click
position:
1) m ain tim e setting
2) stopwatch hand position adjustm ent
Once the crown is pulled out to the second click, be sure to check and adjust 1) and 2) at the
sam e tim e.
CROWN
Pull out to second click when the second hand is at the 12 o’clock position.
1. MAIN TIME SETTING
Hour hand
Minute hand
CROWN
Tu rn to s e t th e h o u r a n d
m inute hands.
Small
second
hand
5
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1. When the stopwatch is or has been measuring, if the crown is pulled out to the second click, it will
automatically reset the STOPWATCH hands to “0”.
2. It is recommended that the hands be set to the time a few minutes ahead of the current time, taking
into consideration the time required to adjust the STOPWATCH hand position if necessary.
3. When setting the hour hand, be sure to check that AM/PM is correctly set. The watch is so designed
that the date changes once in 24 hours.
4. When setting the minute hand, first advance it 4 to 5 minutes ahead of the desired time and then turn
it back to the exact minute.
2. STOPWATCH HAND POSITION ADJ USTMENT
✩ If the STOPWATCH hands are not in the “0”
position, follow the procedure below to set them
to the “0” position.
STOPWATCH
1/5-second hand
STOPWATCH
minute hand
Press for 2 seconds.
A
A
* STOPWATCH minute hand turns a full circle.
▼
Press repeatedly to set STOPWATCH
m inute hand to the “0” position.
B
B
* The hand moves quickly if button B is kept
pressed.
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▼
6
▼
Press for 2 seconds.
A
* STOPWATCH 1/5-second hand turns a full
circle.
▼
Press repeatedly to set STOPWATCH
1/5-second hand to the “0” position.
B
* The hand moves quickly if button B is kept
pressed.
▼
CROWN
Pu s h b a ck in to n o rm a l p o s itio n in
accordance with a tim e signal.
7
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SETTING THE DATE
● Before setting the date, be sure to set the m ain tim e.
CROWN
Pull out to first click.
➠
▼
6
Turn clockwise until the desired date
➠
appears.
▼
Push back in to norm al position.
Date
1. It is necessary to adjust the date at the end of February and 30-day months.
2. Do not set the date between 9:00 p.m. and 1:00 a.m. Otherwise, the date may not change properly.
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8
STOPWATCH
● The stopwatch can m easure up to 60 m inutes in 1/5-second increm ents.
● After 60 m inutes, it will start counting again from “0” repeatedly up to 12 hours.
STOPWATCH minute hand
A
STOPWATCH
1/5-second hand
B
✩ Before using the stopwatch, be sure to check that the crown is set at the norm al
position and that the STOPWATCH hands are reset to the “0” position.
*
If the STOPWATCH hands do not return to the “0” position when the stopwatch is reset to “0”, follow the
procedure in “SETTING THE TIME AND ADJUSTING THE STOPWATCH HAND POSITION”.
Standard m easurem ent
A
A
STOP
B
RESET
START
9
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Accum ulated elapsed tim e m easurem ent
A
START
A
STOP
A
A
STOP
B
RESET
RESTART
* Restart and stop of the stopwatch can be repeated by pressing button A.
Split tim e m easurem ent
A
START
B
SPLIT
B
A
STOP
B
RESET
SPLIT
RELEASE
* Measurement and release of split time can be repeated by pressing button B.
Measurem ent of tw o com petitors
A
START
B
A
B
B
RESET
FINISH TIME
OF 1ST
2ND
FINISH TIME
OF 2ND
COMPETITOR
FINISHES
COMPETITOR
COMPETITOR
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10
SECURITY LOCK BUTTON OPERATION
(for m odels w ith security lock button)
SECURITY LOCK OF PUSH-BUTTON A & B
Loc king
A
Unloc king
6
Loc king
B
Unloc king
Unlocking the push-button
- Turn Security Lock Button counterclockwise until you no longer feel the threads turning.
- The button can be pushed in.
Locking the push-button
- Turn Security Lock Button clockwise until you no longer feel the threads turning.
- The button cannot be pushed in.
11
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TACHYMETER
(for m odels w ith tachym eter scale on the dial)
To m easure the hourly average speed of a vehicle
Ex. 1
1
Use the stopwatch to determ ine
how m any seconds it takes to go
1 km or 1 m ile.
STOPWATCH
second hand:
40 seconds
2
Tachym eter scale indicated by
STOPWATCH second hand gives
the average speed per hour.
Tachymeter scale: “90”
“90” (ta c hym e te r sc a le fig ure ) x 1 (km or m ile )
= 90 km / h or m p h
● Tachym eter scale can be used only when the tim e required is less than 60 seconds.
Ex. 2: If the m e a suring dista nc e is e xte nde d to 2 km or m ile s or shorte ne d to 0.5 km or m ile s
a nd STOPWATCH se c ond ha nd ind ic a te s “90” on ta c hym e te r sc a le :
“90” (tachym eter scale figure) x 2 (km or m ile) = 180 km /h or m ph
“90” (tachym eter scale figure) x 0.5 (km or m ile) = 45 km /h or m ph
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12
To m easure the hourly rate of operation
Ex. 1
1
Use the stopwatch to m easure
the tim e required to com plete 1
job.
STOPWATCH
second hand:
20 seconds
2
Tachym eter scale indicated by
STOPWATCH second hand gives
the average num ber of jobs ac-
com plished per hour.
Tachymeter scale: “180”
“180” (ta c hym e te r sc a le fig ure ) x 1 job
= 180 job s/ hour
Ex. 2: If 15 job s a re c om p le te d in 20 se c ond s:
“180” (tachym eter scale figure) x 15 jobs = 2700 jobs/hour
13
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BATTERY CHANGE
The miniature battery which powers your watch should last approximately
5
5 years. However, because the battery is inserted at the factory to check
the function and performance of the watch, 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 SEIKO SR927SW battery.
Years
* If the stopwatch is used for more than 2 hours a day, the battery life may be less than
the specified period.
* After the battery is replaced with a new one, set the time/calendar and adjust the
stopwatch hand position.
● Battery life indicator
When the battery nears its end, the sm all second hand m oves at two-second intervals
instead of norm al one-second intervals. In that case, have the battery replaced with a new
one as soon as possible.
* The watch remains accurate while the small second hand is moving at two-second intervals.
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14
WARNING
● Do not rem ove the battery from the w atch.
● If it is necessary to take out the battery, keep it out of the reach of children. If
a child sw allow s it, consult a doctor im m ediately.
CAUTION
● Never short-circuit, heat or otherw ise tam per w ith the battery, and never
expose it to fire. The battery m ay burst, becom e very hot or catch fire.
● The battery is not rechargeable. Never attem pt to recharge it, as this m ay cause
battery leakage or dam age to the battery.
15
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SPECIFICATIONS
1
Frequency of crystal oscillator .................. 32,768 Hz (Hz = Hertz … Cycles per second)
2
Loss/gain (monthly rate) ............................ ±15 seconds at normal temperature range (5° C ~ 35° C)
(41° F ~ 95° F)
3
4
5
Operational temperature range ................. –10° C ~ +60° C (14° F ~ 140° F)
Driving system .......................................... Step motor, 3 pieces
Display system
Time/calendar ....................................... Hour, minute and small second hands
Date is displayed in numerals.
Stopwatch ............................................ Measures up to 60 minutes.
Stopwatch minute and 1/5-second hands
6
7
Battery ...................................................... SEIKO SR927SW, 1 piece
IC (Integrated Circuit) ................................ C-MOS-IC, 1 piece
* The specifications are subject to change without prior notice for product improvement.
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16
TELEMETER
(for models with telemeter scale on the dial)
● The telemeter can provide a rough indication of the distance to the source of light
and sound.
● The telemeter indicates the distance from your location to an object that emits both
light and sound. For example, it can indicate the distance to the place where
lightning struck by measuring the time elapsed after you see a flash of lightning
until you hear the sound.
● A flash of lightning reaches you almost immediately while the sound travels to you
at a speed of 0.33 km/second. The distance to the source of the light and sound can
be calculated on the basis of this difference.
● The telemeter scale is so graduated that the sound travels at a speed of 1 km in 3
seconds.*
*Under the condition of temperature of 20°C(68°F).
CAUTION
The telemeter provides only a rough indication of the distance to the place where
lightning struck, and therefore, the indication cannot be used as the guideline to
avoid the danger of lightning. It should also be noted that the speed of the sound
differs depending on the temperature of the atmosphere where it travels.
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HOW TO USE THE TELEMETER
Before beginning, check that the stopwatch has been reset.
A
START
(Flash of light)
1
Press button A to start the
stopwatch as soon as you
see the light.
STOP
(Crash of thunder)
2
3
When you hear the sound,
press button A to stop the
stopwatch.
Read the telemeter scale
that the stopwatch second
hand points to.
Approx. 3 km
Please note that the stopwatch second hand moves in 1/5 second increments and does not
always point exactly to the graduations of the telemeter scale. The telemeter scale can be used
only when the measured time is less than 60 seconds.
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