Cal. YM87A CHRONOGRAPH

Cal. YM87A CHRONOGRAPH
Instruction of Watch Movement
CHRONOGRAPH
- Yacht timer
Cal. YM87A
 Display
Small watch minute hand
Small watch hour hand
Hour hand
Minute hand
Button A
Small second hand
N→1→2
Crown
Date
Button B
Mode hand
Center hand
 Crown and button operation
Crown position
Mode
Crown
-Time
N : normal
Free
Single-time alarm stop
Sound demonstration
1 : 1st click
Turn clockwise for date
change
2 : 2nd click
Time setting
Mode change
(more than 2 seconds)
Button A
Timer
Start
Stop
Mode change
Yacht
timer
Start
Stop
Restart
[5] →[6] →[10]
Mode change
Start
Stop
Mode change
Chrono
graph
Alarm
Regular alarm stop
Sound demonstration
[*1]
Mode change
(more than 2 seconds)
Button B
Time
Single-time alarm time
setting
Single-time alarm stop
Free
Timer
Reset
Timer time setting
(1~10 minutes)
Yacht
timer
Reset
1 minute adjustment
Split
Split release
Free
Reset
Split
Split release
Free
Regular alarm stop
Regular alarm time setting
Chrono
graph
Alarm
Time setting for small watch.
[*1]
The order of mode change : [TIME] → [TMR] → [Yacht 5] →[Yacht 6] →[Yacht 10] → [CHR] → [ALM]
[*1] Small watch hand, center hand and mode hand position adjustment
If the small watch hands are not adjusted to the current time or the center hand and the mode hand are not in
the "0" position, follow the procedures below to set them.
(1) Pull the crown out to the 2nd click position.
- When the stopwatch or timer or yacht timer is measuring, if the crown is pulled out to the 2nd click position, it will be
automatically reset.
- If the alarm has been set and the crown is pulled out to the 2nd click position, the small watch hands will turn to indicate the
current time.
(2) Set the small watch hands.
Press the button A for 5 seconds.
- The small watch hands turns a full round and can now be set to the correct position.
Press the button B repeatedly to set it to the "0" position.
(3) Set the center hand.
Press the button A.
- The center hand turns a full round and can now be set to the correct position.
Press the button B repeatedly to set it to the "0" position.
(4) Set the mode hand.
Press the button A.
- The mode hand turns a full round and can now be set to the correct position.
Press the button B repeatedly to set it to the "0" position.
Press the button A for 2 seconds here will allow you to resume the procedure again as indicated by the arrow if necessary.
(5) Push the crown back to the normal position.
Tips : When setting the hands, the hand moves quickly if the button B is kept pressed.
 How to set time
(1) Pull the crown out to the 2nd click position when the second hand is at the 12 o'clock position.
- When the stopwatch or timer or yacht timer is measuring, if the crown is pulled out to the 2nd click position, it will
automatically reset the stopwatch hands to "0" position.
- If the alarm has been set and the crown is pulled out to the 2nd click position, the small watch hands will turn to indicate
the current time.
(2) Turn the crown to set the hour and minute hands.
Take a.m./p.m. into consideration when setting the hour and minute hands to the desired time.
- The hands be set to the time a few minutes ahead of the current time, taking into consideration the time required to set the
small watch hands.
- When setting the minute hand, advance it 4 to 5 minutes ahead of the desired time and then turn it back to the exact time.
(3) Push the crown back to the normal position.
 How to set date
(1) Pull the crown out to the 1st click position.
(2) Turn the crown to set the date.
- Do not set the date between 9:00 p.m. and 1:00 a.m..
(3) Push the crown back to the normal position.
Tips : When the date change during daytime, it happens when a.m./p.m. is wrongly set. Advance the hour hand by 12 hours.
 How to set mode indicator
(1) Pull the crown out to the 1st click position.
(2) Press the button A to set the mode indicator point at your desired mode.
With each press of the button A, the mode indicator turns in the following order to show the selected mode.
[TIME] → [TMR] → [Yacht 5] →[Yacht 6] →[Yacht 10] → [CHR] → [ALM]
(3) Push the crown back to the normal position.
 How to use single-time alarm function
Small watch
hour hand
Small watch
minute hand
• The single-time alarm can be used in the time mode.
• Indicator of the small watch hour and the small watch minute hands.
- Single-time alarm OFF : Current time
- Single-time alarm ON : Single-time alarm time
• The single-time alarm can be set to ring only once at a designated time
within the coming 12 hours.
• The alarm time can be set in one minute increments.
• When the mode is changed from time mode, the single-time alarm is reset.
 How to set the single-time alarm time
Press the button B repeatedly to set the small watch hands to the desired alarm time.
- The small watch hands move quickly when the button B is kept pressed.
They stop when the hands reach to the current time.
Release and press the button B , the small watch hands will start moving again.
 How to stop the alarm
At the designated time the alarm rings for 20 seconds, and it is automatically disengaged as it stops.
To stop it manually, press any button.
 How to cancel the alarm time you have set
Press the button B until the small watch hands stop and indicate the current time.
Change the time mode to another mode.
 How to preview the sound demonstration
Press the button A for longer than 2 seconds.
- The alarm sound can be heard while the button A is kept pressed.
 How to use countdown timer function
Timer
minute hand
Timer
second hand
• The countdown timer can be set 10 minutes with beep sound.
• It is necessary to set the time before use.
• The timer and the center hands turns counterclockwise.
Center hand
 How to set the countdown timer
(1) Pull the crown out to the 1st click position.
(2) Press the button A to set the timer mode indicator.
(3) Press the button B for timer setting.
- The timer can be set to a maximum of 10 minutes in 1 minute increments.
- The timer hand will back to “1” minute after “10” minutes.
(4) Push the crown back to the normal position.
 Countdown timer operation
Button A
Count up beep sound
It returns to the preset time
automatically.
Start
Button A
Button A
Button A
Button B
Stop
Restart
Stop
Reset
(Timer off)
Restart and stop of the timer
can be repeated by pressing the button A.
 How to use yacht timer function
Timer
second hand
• The yacht timer can be set 3 pre-set countdown time with beep sound.
Timer
minute hand
• The countdown time can be selected as a mode.
- 5 minutes
- 6 minutes
- 10 minutes
• When the timer counting, the timer and the center hands turns counterclockwise.
• After finishing countdown timer, the chronograph starts automatically.
• When the timer counting, another pre-set time can't be selected.
Center hand
 How to set the yacht timer
(1) Pull the crown out to the 1st click position.
(2) Press the button A to set the yacht timer mode indicator.
- The order of mode change : [Yacht 5] →[Yacht 6] →[Yacht 10]
(3) Push the crown back to the normal position.
 Countdown timer operation
Button A
Button B
Start
1 minute
adjustment
Count up beep sound
Button A
Button A
Button A
Button B
Stop
Restart
Stop
Reset
(Timer off)
Restart and stop of the timer
can be repeated by pressing the button A.
 How to use stopwatch function
Stopwatch
minute hand
Stopwatch
hour hand
• The stopwatch can measure up to 59'59''8 in 1/5 second increments.
• When the measurement reaches 12 hours, the stopwatch automatically stops
counting.
Stopwatch
1/5 second hand
 Standard measurement
Button A
Button A
Button B
Start
Stop
Reset
 Accumulated elapsed time measurement
Button A
Button A
Button A
Button A
Button B
Start
Stop
Restart
Stop
Reset
Restart and stop of the stopwatch can
be repeated by pressing the button A.
 Split time measurement
Button A
Button B
Button B
Button A
Button B
Start
Split
Split release
Stop
Reset
Measurement and release of sprit time
can be repeated by pressing the button B.
 Measurement of two competitors
Button A
Button B
Start
Finish time
of 1st competitor
Button A
2nd competitor
finishes
Button B
Button B
Finish time
of 2nd competitor
Reset
• The stopwatch 1/5 second hand is capable of timing 12 hours. (60 seconds x 720 times)
• The stopwatch minute hand is capable of timing 12 hours. (60 minutes x 12 times)
• Before using the stopwatch, be sure to check that the crown is set at the normal 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
"Small watch hand, center hand and mode hand position adjustment".
 How to use regular alarm function
Alarm
hour hand
Alarm
minute hand
• The regular alarm can be set to sound at a designated time everyday.
• The regular alarm can be set to 12 hours.
• The alarm time can be set in one minute increments.
• The beep sound of regular alarm is available only at the alarm mode.
 How to set the alarm
(1) Pull the crown out to the 1st click position.
(2) Press the button A to set the alarm mode indicator.
(3) Press the button B repeatedly to set the alarm hands to the desired alarm time.
- The alarm hands move quickly when the button B is kept pressed.
(4) Push the crown back to the normal position.
 How to stop the alarm
At the designated time the alarm rings for 20 seconds, and it is automatically disengaged as it stops.
To stop it manually, press any button.
 How to cancel the alarm time
Change the mode except the alarm mode.
 How to preview the sound demonstration
Press the button A for longer than 2 seconds.
- The alarm sound can be heard while the button A is kept pressed.
 Power depletion warning function
When the battery nears its end, the small second hand moves at two-second intervals instead of the normal
one-second intervals. In that case, have the battery replaced with a new one as soon as possible.
- While the small second hand is moving at two-second intervals, the alarm will not ring even if it is engaged.
This is not a malfunction.
The watch remains accurate while the small second hand is moving at two second intervals.
 System reset
When an abnormal display appears, reset the built-in integrated circuit.
(1) Pull the crown out to the 2nd click position.
(2) Press the buttons A and B at the same time for longer than 2 seconds.
(3) Push the crown back to the normal position.
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