Orient KFB TT User manual
1
CHRONOGRAPH <KFB (TT)>
INSTRUCTION MANUAL
Thank you for your purchase of our product. To ensure prolonged use and opti-
mum performance, please read this Instruction Manual carefully and familiarize
yourself with the terms of the guarantee.
Please keep this Instruction Manual in your hand and refer in time of need.
◆Specifications
(1) Crystal oscillator frequency
32,768 Hz (Hz = Oscillations per second)
(2) Wrist-worn accuracy (at normal temperature <5°C ~ 35°C>)
Mean monthly rate: ±20sec.
(3) Operating temperature range
–5°C ~ +50°C
(4) Drive system
Step motor: 4 pieces
(5) Display system
[Time function]
Hour and minute hands with a small second hand that moves at one-second intervals.
[Stopwatch function]
Stopwatch 1/20 second hand turns a full circle in a second at 1/20 second intervals.
Stopwatch second hand turns a full circle in 60 seconds at one-second intervals.
Stopwatch minute hand turns a full circle in 60 minutes at one-minute intervals.
Stopwatch hour hand turns a full circle in 12 hours while moving correspond-
ingly with the stopwatch minute hand.
(6) Battery
Silver oxide battery SR927W; 1 piece
(7) Battery life
Approx. 3 years if the stopwatch is used for less than 2 hours a day.
(8) IC (Integrated Circuit)
C-MOS-1C; 1 piece
*
The above specifications are subject to change without notice for improvement.
ENGLISH
2
◆FEATURES
This is a multi-display analogue watch featuring a stopwatch function.
It is a very convenient multi-function watch.
•The current time is indicated by the hour and minute hands and a small second
hand.
•The stopwatch can measure up to 12 hours in 1/20 second increments. The
time measured is indicated by the four stopwatch hands (stopwatch 1/20 sec-
ond, second, minute and hour hands). Split time measurement is also available.
After 12 hours, the stopwatch will automatically stop and reset.
◆DISPLAY AND CROWN / BUTTON OPERATION
Button A(Start/Stop of the stopwatch)
Crown
Second click
(Time setting and adjusting the stopwatch hand position)
First click (Date setting)
Normal position
Button B(Split/Split release/Reset)
◆SETTING THE TIME AND ADJUSTING THE STOPWATCH
HAND POSITION
(Hands for time display and stopwatch hands)
This watch is so designed that
•time setting and
•stopwatch hand position adjustment
are both made with the crown at the second click position. Once the crown is
pulled out to the second click, be sure to make the above adjustments at the same
time.
3
Stopwatch hands
(Stopwatch 1/20 second and second hands)
Hands for time display
(Hour and minute hands and small second hand)
Stopwatch hands
(Stopwatch hour and minute hands)
Crown
■ How to set the time
Pull out the crown to the second click when the small second hand is at the 12
o’clock position.
The small second hand stops on the spot.
Small second
hand
*If the stopwatch is measuring, the stopwatch hands are automatically reset to
“0” position.
Turn the crown to set the hour and minute hands to the desire time.
*When setting the hour hand, check that AM/PM is correctly set.The watch is so
designed that the date changes once in 24 hours.
*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.
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.
4
Reset the four stopwatch hands to “0” position.
Press button Afor 2 seconds to select the stopwatch hand to be adjusted.
Stopwatch 1/20
second hand
Stopwatch hour and minute hands
Stopwatch second hand
Button A
Button B
Press button Brepeatedly to reset the selected stopwatch hand to “0” position.
It moves quickly if button Bis kept pressed.
Press button Afor 2 seconds.
Press button Afor 2 seconds.
Press button Afor 2 seconds.
Press button Afor 2 seconds.
The stopwatch 1/20 second hand
turns a full circle to indicate that it is
ready for adjustment.Press button B
to reset it to “0” position.
The stopwatch second hand turns a
full circle to indicate that it is ready
for adjustment. Press button Bto re-
set it to “0” position.
The stopwatch hour and minute hands
turn a full circle to indicate that they
are ready for adjustment. Press but-
ton Bto reset it to “0” position.
4After all the adjustments are completed, push the crown back in to the normal
position in accordance with a time signal.
*Check that the hour and minute hands for the time display indicate the cur-
rent time, then, push the crown back in to the normal position.
Adjusting the stopwatch second
hand to “0” position
Adjusting the stopwatch 1/20 sec-
ond hand to “0” position
Adjusting the stopwatch hour and
minute hands to “0” position
5
◆HOW TO SETTHE DATE
•Be sure to set the time before setting the date.
•It is necessary to adjust the date on the first day of March and months following
30-day months.
Pull out the crown to the first click.
Turn the crown clockwise to set the date.
*Do not set the date between 9:00 p.m. and 1:00 a.m. Otherwise, the date
may not change properly. If it is necessary to set the date during that time
period, first change the time to any time outside it, set the date and then,
reset the correct time.
After all the adjustments are completed, push the crown back in to the normal
position.
◆HOW TO USETHE STOPWATCH
•The stopwatch can measure up to 12 hours in 1/20 second increments.After 12
hours, it will automatically stop.
•The time measured is indicated by the four stopwatch hands that move inde-
pendently of the hands for time display.
•After the stopwatch is started, the stopwatch 1/20 second hand moves for about
10 minutes and automatically stops at “0” position. When split time is measured
or the measurement is stopped, it moves to indicate the elapsed 1/20 seconds.
•Split time measurement is available.
6
[How to read the stopwatch hands]
The time measured is indicated by the four stopwatch hands (stopwatch 1/20
second, second, minute and hour hands).
1 hour, 30 minutes and 10.85 seconds
Stopwatch 1/20 second hand
(Elapsed time less than 1 second) Stopwatch second hand
(Elapsed seconds)
Stopwatch hour hand
Stopwatch minute hand (Elapsed hours
and minutes: Read the hands as you
read the hour and minutes of
conventional analogue watches.)
Time measured is indicated by the four stopwatch hands.
[Notes on the movement of the stopwatch 1/20 second hand]
•After the stopwatch is started, the stopwatch 1/20 second hand moves for about
10 minutes and automatically stops at “0” position.
•When split time is measured or the measurement is stopped, if moves to indi-
cate the elapsed 1/20 seconds.
•After split time is released or the measurement is restarted, it moves for about
10 minutes and stops automatically.
•In the same manner, if the stopwatch is stopped and restarted repeatedly or
split time is measured and released repeatedly, it moves for about 10 minutes
and stops automatically.
<Note on adjusting the stopwatch hand position>
•If the stopwatch hands do not return to “0” position when the stopwatch is
reset, follow the procedure in “◆ SETTING THE TIME AND ADJUSTING
THE STOPWATCH HAND POSITION” to reset them.
•In that case, be sure to adjust the hands for time display to the current time.
7
■ How to reset the stopwatch
•When the stopwatch hands are counting:
Press button Ato stop the stopwatch.
Press button Bto reset the stopwatch.
•When the stopwatch hands are stopped:
One of the following three stopwatch operations
has occurred.Reset the stopwatch accordingly.
[The stopwatch was stopped in“Standard mea-
surement” or “Accumulated elapsed time mea-
surement.”]
Press button Bto reset the stopwatch.
[Split time was measured and remains displayed “Split time measurement.”]
Press button B. The split time is released and the stopwatch hands move
quickly to indicate the measurement in progress.
Press button Ato stop the stopwatch.
Press button Bto reset the stopwatch.
[The time of the 2nd competitor was measured in “Measurement of two com-
petitors.”]
Press button B. The stopwatch hands move quickly and stop.
Press button Bto reset the stopwatch.
■ Standard measurement
Button B
Button A
Button A
START
Button A
STOP
Button B
RESET
→
Button A
START
Button A
STOP
Button A
RESTART
Button A
STOP
Button B
RESET
→
→→ →→
.....
■ Accumulated elapsed time measurement
Restarting and stopping the stopwatch can
be repeated by pressing button A.
8
Button A
START
Button B
SPLIT
Button B
SPLIT RELEASE
Button A
STOP
Button B
RESET
■ Split (intermediate) time measurement
Measurement and release of the split time
can be repeated by pressing button B.
→→ →→
Button A
START
Button B
FINISH TIME
OF FIRST
COMPETITOR
Button
A
SECOND
COMPETITOR
FINISH
Button B
FINISH TIME
OF SECOND
COMPETITOR
Button
B
RESET
■ Measurement of two competitors
→→ →→
60
400
250
70
80
90
100
100
110
120
140
160
180
200
300
500
60
400
250
70
80
90
100
100
110
120
140
160
180
200
300
500
70
•Measurement of speed per hour
1.Measure the time required to run 1
km.
2.Read the tachymeter figure which
the second hand is indicating. (70
km/hour)
1 km
Start Stop
◆Operating the tachymeter
(for a item that has tachymeter scale on the dial)
9
•Measurement of output per hour
1.Measure the time required to pro-
duce one product.
2.Read the tachymeter figure which
the second hand is indicating. (70
pieces/hour)
60
400
250
70
80
90
100
100
110
120
140
160
180
200
300
500
60
400
250
70
80
90
100
100
110
120
140
160
180
200
300
500
70
One product
Start Stop
◆NOTES ON THE SCREW DOWN CROWN AND BUTTONS WITH
PROTECTOR RINGS
•Some models have a screw down crown and buttons with protector rings that
can be locked while they are not used.
•Locking the crown and buttons will prevent mistaken operation of the watch and
enhance its water-resistant quality.
•Unlock the crown and buttons when operating them, and be sure to lock them
after use.
■ Models with screw down crown
•If your watch has a screw down crown, it is necessary to unlock the crown by
unscrewing it before operating it.
•Except when you operate the crown, be sure that it is always locked by screwing
it in completely.
[How to unlock the crown]
Unscrew the crown by turning it counterclockwise.
The crown can be pulled out or turned for time/
calendar setting or other watch operations.
The crown is locked.
The crown is unlocked.
*The crown can be
pulled out.
10
[How to lock the crown]
After using the crown for watch operation, turn it
clockwise while pressing it until it locks in place.
■Models having buttons with protector rings
•If your watch has buttons with protector rings, it is necessary to unlock them by
unscrewing the protector ring attached to the side face of the buttons before
using them for watch operation.
•Except when you operate the buttons, be sure that they are always locked by
screwing in the protector rings completely.
[How to unlock the button]
Unscrew each protector ring com-
pletely by turning it counterclockwise.
The buttons are unlocked for watch
operation.
*If the protector ring is not unscrewed
completely, the button may not be
pressed. When unscrewing the pro-
tector ring, however, do not turn it
forcibly.
[How to lock the button]
After using the buttons for watch op-
eration, turn each protector ring clock-
wise until it locks in place.
*Do not screw in the protector ring
forcibly.
Button protector
(Button locked) (Button unlocked)
(Button unlocked) (Button locked)
*The button is
unlocked for
watch operation.
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