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Operation Guide 5040
3
Probable Cause
• You changed the time setting
manually.
• You performed some button
operation during the auto receive
operation.
• The watch is not in the
Timekeeping Mode.
• Signal reception results are reset
when the first auto receive
operation is performed on the
following day.
• Radio interference is often present
during the day time, which can
interfere with calibration signal
reception.
Problem
The second
hand is pointing
at NO (N).
What you should do
•
Perform manual signal
receive at night or wait until
the next auto signal receive
operation is performed.
•
Enter the Timekeeping
Mode and try again.
• Check to make sure the
watch is in a location
where it can receive the
signal.
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
• The Home City setting is not
correct for the area where you are
using the watch.
• The home position of the hands is
off.
The time setting
is incorrect
following signal
reception.
• Select the correct Home
City.
• Enter the home position
adjustment mode and
adjust the home position.
• For further information, see “Important!” under “Time Calibration Signal Reception”
and “Radio-controlled Atomic Timekeeping Precautions”.
3
0
Stopwatch
The stopwatch measures elapsed time in units of 1/20
second up to 23 hours, 59 minutes, 59.95 seconds (24
hours). When the maximum limit is reached, the elapsed
time returns to zero automatically and timing continues
from there.
Stopwatch second hand
Points to ST in the
Stopwatch Mode.
Functions as a 1/20-
second hand during
an elapsed time
operation.
Stopwatch
time hour and
minute hands
To start or stop an elapsed time operation
In the Stopwatch Mode, press B to start and stop the stopwatch.
• Pressing D during an elapsed time operation stops the hands at the split time.
Elapsed time measurement continues internally. After about five seconds, the hands
will return to normal elapsed time indication.
• 1/20-second timing is performed only for the first 30 seconds after you start or
restart an elapsed time operation. The 1/20-second hand also jumps to the elapsed
time position when you stop an elapsed time operation.
• Pressing D while the stopwatch is stopped will reset stopwatch to zero. The
following operations are not possible while the watch’s hands are moving during a
stopwatch elapsed time operation.
Split, reset
To measure elapsed time
Start
B
Stop
B
Reset
D
To measure split times
Start
B
Split
D
Stop
B
Reset
D
Normal measurement
resumed after 5 seconds.
• Pressing D again while a split time is indicated will cause the hands to jump to a
new (current) split time.
• Pressing B while a split time is indicated will stop the elapsed time operation,
causing the hands to jump to the stop time.
Cumulative Elapsed Time Measurement
Pressing B to restart the stopwatch without resetting it will resume the elapsed time
operation from where it was last stopped.
Countdown Timer
• The Countdown Timer lets you set a start time of up to
24 hours in 1-minute steps, and then countdown from
there in one-second steps.
• The watch beeps for 10 seconds when the end of the
countdown is reached, and switches to elapsed time
operation. The elapsed time operation is performed in
one-second steps for up to 24 hours.
• When the maximum limit (24 hours) is reached, the
elapsed time operation continues from zero.
3
0
Countdown timer
second hand
Points to TR in the
Countdown Timer
Mode.
Countdown
Timer hours
and minutes
hands
To set the countdown timer start time
1. With the right dial hands stopped in the Countdown Timer Mode, press D.
2. Use D (+) and A (–) to change the countdown timer start time (right dial hands) in
one-minute increments.
To use the countdown timer
In the Countdown Timer Mode, press B to start and stop the countdown timer.
• The time counts down in one-second steps.
• The right dial hands move counterclockwise during countdown timer operation.
Start
B
Stop
B
Reset
D
• Pressing D while the countdown timer is stopped resets the right dial hands to the
start time.
• Pressing B while the countdown timer is stopped will restart the countdown.
• When the end of the countdown is reached, the watch will beep and the right dial
hands will start an elapsed time operation. The right dial hands move clockwise
during the elapsed time operation. Pressing B will stop the elapsed time operation.
Pressing D while an elapsed time operation is stopped will reset the countdown
timer to its start time.
• The countdown timer cannot be reset to its starting time while the right dial hands
are moving during a countdown timer operation.
To stop the time up alert
Pressing any button while the alert is sounding will stop it.
World Time
World time lets you display the current time in any one of
29 cities (29 time zones) around the world.
• If the current time is not correct, check your current
Home City settings and make adjustments as required.
• The following operations are not possible while the
watch’s hands are moving to the current time for a newly
selected city code.
Using
A
to switch between standard time (STD) and
daylight saving time (DST).
Using
B
to swap the Home City and World Time City
• For full information on city codes, see the “City Code
Table”.
3
0
City code
In the World Time Mode, indicates
the current daylight saving time
setting (STD or DST).
World Time
To search for a city
In the World Time Mode, press D to move the second hand (which is pointing at the
currently selected city code) clockwise.
• About one second after you release D, the hands of the watch will move to the
current time in the zone of the city code indicated by the second hand.
Daylight Saving Time (summer time)
Daylight saving time calls for setting clocks ahead one hour from standard time during
the summer season.
• Note that the start and end of daylight time, and whether it is used at all depends on
each country and geographic area.
Standard time
Daylight saving time
The hand points to STD (standard time).
The hand points to DST (daylight saving time).
To change the STD/DST setting of a particular city code
1. In the World Time Mode, use D to select the city
whose setting you want to change.
2. Hold down A for about two seconds to toggle between
daylight saving time and standard time.
• You can select STD or DST for each World Time city
code, except UTC.
3
0
Hold down
A for two
seconds.
▲
▲
Swapping your Home City and World Time City
You can use the procedure below to swap your Home City and World Time City. This
capability can come in handy when you travel frequently between two cities in different
time zones.
• If your current World Time City supports receipt of a time calibration signal, making it
your Home City enables calibration signal reception.
To swap your Home City and World Time City
1. In the World Time Mode, use D to select the World Time City you want.
2. Hold down B for about three seconds until the watch beeps.
• This will make the World Time City (which you selected in step 1), your Home City.
At the same time, it will change the Home City you had selected prior to step 2 to
your World Time City.
• After swapping the Home City and World Time City, the watch stays in the World
Time Mode with the city that was selected as the Home City prior to step 2 now
displayed as the World Time City.
30
Alarm
The watch beeps for 10 seconds when the Timekeeping
Mode time reaches the currently set alarm time.
To set the alarm time
In the Alarm Mode, use D (+) and B (–) to change the
alarm setting in one-minute increments.
To turn the alarm on or off
Press A to toggle the alarm on or off.
To stop the time up alert
Pressing any button while the alert is sounding will stop it.
Points to AL in
the Alarm Mode.
Alarm time
Alarm ON/OFF
setting
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