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MOON DATA MODE
Be sure to set the current time and your current location before trying to use the Moon Data
Mode.
The Moon Data Mode display shows the current moon age, as well as moon up and moon down
times.Moon age is indicated both by a value and one of the following graphics.
• The moon up time indicates when the moon will reach
its highest point relative to your current location (upper
transit), while the moon down time indicates when it will
reach its lowest point (lower transit). Note that moon up
and moon down times are accurate up to ±30 minutes.
You can use the key operation below to look up the moon age and the moon up and moon down
times for any date from January 1, 1995 to December 31, 2039.
New Moon Crescent
Moon
Half Moon
First Quarter
Full Moon
Half Moon
Last Quarter
Moon
Location
Earth
Moon Moon-Down
Moon-UP
A
C
B
D
Back
Forward
Moon time date search
To display the moon up and moon down time for a specific date
1.Use C to enter the Moon Data Mode.
• When you enter the Moon Data Mode from another mode,
the display shows the moon up and moon down times for
the current date (as kept in the Timekeeping Mode).
2.Press D to advance the date or B to move back. Holding
down either button changes the date at high speed.
3.When the date you want is displayed, you will have to wait
for about 2 seconds as the watch performs its internal
calculation before displaying the moon up and moon down
time for that date.
TIDE GRAPH MODE
Before using the Tide Graph Mode, be sure to first carefully set the current time, your current
location, and the lunitidal interval.
About the lunitidal interval
The lunitidal interval is the period from the moon's upper transit (moon up) to high tide.If you
know the lunitidal interval, tide changes can be determined using the moon age.This watch
calculates tide changes according to the current time and the location setting, and displays them
graphically.
To calculate the lunitidal interval
1.Look up the high tide time for the flood tide of the location whose tide changes you want to
know.
2.Use this watch to look up the moon up time that occurs immediately before this time.
3.Subtracting the moon up time from the high tide time produces the lunitidal interval.
To set the lunitidal interval
1.In the Moon Data Mode, hold down A until both sides of the
Tide Graph and hour digits start to flash, as shown below.
• You can also start this procedure by holding down A while
in the Tide Graph Mode.
2.Use C to select the digit whose setting you want to change.
Each press of C moves the flashing to the next digit.
3.Use D to increase the flashing digit or B to decrease it.
Holding down either button changes the setting at high
speed.
4.After you are finished making the lunitidal setting you want,
press A to enter the Tide Graph Mode.
About the Tide Graph Mode
The Tide Graph Mode shows the changing of the tides in graphic form.The graph uses time
(advancing from left to right) as the horizontal axis, and tide change as the vertical axis.
• You can enter the Tide Graph Mode by pressing A while in the Moon Data Mode.Though you
can change the time setting while in the Tide Graph Mode, you cannot change the month or
day setting.To display the tide graph for another date, return to the Moon Graph Mode,
change the date setting, and then enter the Tide Graph Mode again. Also note that you
cannot directly change the month setting in the Moon Data Mode.The month setting changes
automatically as you increase or decrease the day setting.
• The Tidal Graph is also on the display in the Timekeeping Mode, where it indicates the tide for
the current time.
A
C
B
D
Moon Data Mode Data
A
C
B
D
Flashes
High Ebb Low Flood High
To display the tide graph for a specific time
1.Use C to enter the Moon Data Mode.
• When you enter the Moon Data Mode from another mode,
the display shows the moon up and moon down times for
the current date (as kept in the Timekeeping Mode).
2.Press A to enter the Tide Graph Mode.
• Whenever you enter the Tide Graph Mode, the graph shows
the tide movements for 6:00 am of the current date.
3.Press D to increase the hour or B to decrease it. Holding
down either button changes the hour at high speed.
A
C
B
D
Flashes
SUNRISE/SUNSET FUNCTIONS
Be sure to set the current time and your current location before trying to use Sunrise / Sunset
functions.The Sunrise / Sunset functions tell you the time of sunrise and sunsets for specific
dates.
To display the sunrise and sunset times for a specific date
1.Use C to enter the Sunrise / Sunset Mode.
• When you enter the Sunrise / Sunset Mode for another mode, the display show the sunrise /
sunset data for today’s data (as set in the Timekeeping Mode).
2.Press D to advance the date or B to set it back.Holding down either button changes the date
at high speed.
3.When the date you want is displayed, you will have to wait for about 15 seconds as the watch
performs its internal calculation before displaying the sunrise/sunset time for the date.
Notes
• If you think that the watch is not showing the correct information, check the settings of the
watch in the following order: year, difference from GMT, Longitude, Latitude, east/west,
north/south.
• Sunrise and sunset times are for sea level locations. Actual times may differ slightly
depending on your elevation.
• Sunrise and sunset times are correct with a range of 5 minutes at latitudes less than 50, and
10 minutes at latitudes greater than 50.
ALARM FUNCTIONS
When the Daily Alarm is switched on, the alarm sounds for 20
seconds at the preset time each day. Press any button to stop
the alarm after it starts to sound.
When the Hourly Time Signal is switched on, the watch beeps
every hour on the hour.
To set the alarm time
1.Use C to enter the Alarm Mode.
2.Holding down A and the hour digits flash on the display
because they are
selected.
At this time the Daily Alarm is
switched on automatically.
3.Press C to change the selection in the following sequence.
A
C
B
D
Sunrise time
Month
Date
Back
Forward
Sunrise/Sunset
data search
Sunset time
Hour
Minutes
A
C
B
D
Mode indicator Current time
Minutes
Hourly time
signal on
and Alarm
on indicator
Hours
4.Press D to increase the selected digits and B to decrease them. Holding down either button
changes the selection at high speed.
• The format (12-hour and 24-hour) of the alarm time matches the format you select for normal
timekeeping.
• When setting the alarm time you using the 12-hour format, take care of set the time correctly
as morning (A) or afternoon (P).
5.After you set the alarm time, press A to return to the Alarm Mode.
To switch the daily alarm and hourly time signal on and off
Press B while in the Alarm Mode to change the status of the daily alarm and hourly time signal
in the following sequence.
Alarm on indicator / hourly time signal on indicator
To test the alarm
Hold down D while in the Alarm Mode to sound the alarm.
STOPWATCH FUNCTIONS
The Stopwatch Functions let you record elapsed time, split times, and two finishes.The range of
the stopwatch is 23 hours, 59 minutes, 59.99 seconds. Stopwatch functions are available in the
Stopwatch Mode, which you can enter using C.
Both OFF
Daily Alarm only Hourly Time Signal onlyBoth ON
A
C
B
D
(a) Elapsed time measurement
DD D D B
Start Stop Re-start Stop Clear
(b) Split time measurement
DB B D B
Start Split Split release Stop Clear
(c) Split time and 1st-2nd place times
DB D B‘ B
Start Split Stop Split release Clear
First runner
finishes.
Second runner
finishes.
Record time of
first runner.
Record time
of second
runner.
Mode indicator
1/100
second
Seconds
Minutes
Hours
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