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Using The Countdown Timer; To Enter The Countdown Timer Mode; To Specify The Countdown Start Time; To Stop The Alarm - Casio 3439 Operation Manual

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Looking up Sunrise and Sunset Times
You can use the Sunrise/Sunset Mode to look up the sunrise and sunset times for a particular date (year,
month, day) and location.
To enter the Sunrise/Sunset Mode
While in the Timekeeping Mode, press D to enter the Sunrise/Sunset
Current date
Current date
Mode.
This will display the sunrise and sunset times for the current date
based the currently specifi ed city code, latitude, and longitude.
Before trying to use the Sunrise/Sunset Mode, you need to confi gure
settings for the city code, longitude, and latitude for the location whose
sunrise and sunset times you want to view.
The factory default confi guration of the location is: City Code: TYO
(Tokyo); Latitude: North 35.7 degrees; Longitude: East 139.7 degrees.
Sunset time
Sunset time
Sunrise time
Sunrise time
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To look up the sunrise and sunset times for a specifi c location
Important!
You do not need to perform this procedure to look up the sunrise and sunset times in your currently
selected Home City.
If you select a different city code to look up the sunrise and sunset times there, return to the city
code of your Home City (your current location) when you are fi nished. Otherwise, the time shown
in the Timekeeping Mode will not be correct.
For information about the Home City setting, see "Confi guring Home City Settings" (page E-14).
1. In the Timekeeping Mode, hold down E for at least two seconds. First, SET Hold will fl ash on the
display, and CITY will be displayed in the upper display. After that, the currently selected city code and
city name will scroll across the upper display. Keep E depressed until the scrolling starts.
2. Use A (East) and C (West) to select the city code whose sunrise and sunset times you want to view.
For details about city codes, see the "City Code Table" at the back of this manual.
If this display shows the information you need, you can exit this procedure at this point by pressing
E twice. If you want to specify a latitude and longitude for a more exact reading, advance to step 3,
below.
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Using the Stopwatch
The stopwatch measures elapsed time, split times, and two fi nishes.
Hours
Hours
To enter the Stopwatch Mode
Use D to select the Stopwatch Mode (STW) as shown on page E-10.
To perform an elapsed time operation
A
Start
To pause at a split time
A
Current time
Current time
Start
Minutes
Minutes
Seconds
Seconds
1/10 second
1/10 second
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Using the Countdown Timer

The countdown timer can be confi gured to start at a preset time, and sound an alarm when the end of the
countdown is reached.

To enter the Countdown Timer Mode

Use D to select the Countdown Timer Mode (TMR) as shown on page E-10.
About one second after TMR appears on the display, the display will change to show the countdown
time hours.
Countdown time
Countdown time

To specify the countdown start time

(Hour, minutes, seconds)
(Hour, minutes, seconds)
1. Enter the Countdown Timer Mode.
If a countdown is in progress (indicated by the seconds counting
down), press A to stop it and then press C to reset to the current
countdown start time.
If a countdown is paused, press C to reset to the current
countdown start time.
2. Hold down E for at least two seconds.
SET Hold will fl ash on the display and then the current start time
setting will start to fl ash. Keep E depressed until the start time
setting starts to fl ash.
3. Press D to move the fl ashing between the hour and minute settings.
Current time
Current time
4. Use A (+) and C (–) to change the fl ashing item.
To set the starting value of the countdown time to 24 hours, set 0H 00'00.
5. Press E to exit the setting screen.
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Operation Guide 3439
A
A
A
Stop
(Restart)
(Stop)
C
A
C
Split
Split release
Stop
(SPLIT appears
in the upper part
of the display.)
To view the sunrise/sunset time for a particular date
Date
Date
Sunset time
Sunset time
Sunrise time
Sunrise time
Latitude
Latitude
Press D.
Press D.
Longitude
Longitude
To measure two fi nishes
A
C
Start
Split
First runner fi nishes.
(SPLIT appears in
the upper part of the
display.)
Displays time of fi rst
C
runner.
Reset
Note
The Stopwatch Mode can indicate elapsed time up to 999 hours, 59 minutes, 59.9 seconds.
Once started, stopwatch timing continues until you press A to stop it, even if you exit the Stopwatch
Mode to another mode and even if timing reaches the stopwatch limit defi ned above. A paused timing
C
operation will remain paused until you press A to restart it or C to reset.
Reset
Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns
to elapsed time measurement.
While SPLIT is shown in the upper display, it alternates with the hour digits of the split time at
one-second intervals.
To perform a countdown timer operation
A
A
Start
Stop
Before starting a countdown timer operation, check to make sure that a countdown operation is not in
progress (indicated by the seconds counting down). If it is, press A to stop it and then C to reset to
the countdown start time.
An alarm sounds for ten seconds when the end of the countdown is reached. This alarm will sound in
all modes. The countdown time is reset to its starting value automatically after the alarm stops
sounding.

To stop the alarm

Press any button.
1. Enter the Sunrise/Sunset Mode.
This will display the sunrise and sunset times for the current
date at the location specifi ed by the city code, latitude, and
longitude.
2. While the sunrise/sunset time are on the display, use A (+) and C (–)
to scroll through the dates.
Pressing one of the above buttons causes the month and day to
appear in the upper display area, and the year to appear in the
lower display area.
When you release the button, the sunrise time of the selected day
will be shown in the middle display, while the sunset time will be
shown in the lower display.
You can select any date between January 1, 2000 and December
31, 2099.
Note
If you think that the sunrise and/or sunset times are not correct for
some reason, check the watch's city code, longitude and latitude
settings.
The sunrise and sunset times displayed by this watch are times at
sea level. Sunrise and sunset times are different at altitudes other
than sea level.
3. Press E to display the longitude/latitude setting screen, with the
latitude setting fl ashing.
4. Use D to move the fl ashing between the latitude and the longitude
setting.
5. Use A (+) and C (–) to change the fl ashing setting.
You can configure the longitude and latitude setting within
following ranges.
Latitude Range: 65.0°S (South 65.0 degrees) to 0°N to 65.0°N
(North 65.0 degrees)
Longitude Range: 179.9°W (West 179.9 degrees) to 0°E to 180.0°E
(East 180.0 degrees)
Latitude and longitude values are rounded off to the nearest
degree.
6. Press E to return to the Timekeeping Mode.
7. In the Timekeeping Mode, press D.
Display the location whose sunrise and sunset times you want to
view.
A
C
Stop
Split release
Second runner
Displays time of
fi nishes.
second runner.
A
A
(Restart)
(Stop)
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C
Reset
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C
Reset
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