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Checking the Tide Level and Moon Ages (Tide/Moon)
You can use the watch to check the current tide level and Moon age.
•
The above information is displayed for the currently selected Home Time City. You can also check
information for another city by changing to a different Home City (page E-34).
•
Note that the tide and Moon information displayed by this watch is approximate and is intended as
general information only. Never try to use it for marine navigation or any other purposes requiring
accurate measurements.
Viewing the current tide level and Moon age
To view the current tide level
The small hand indicates the tide level in all modes.
•
When the barometric pressure change indicator (page E-49) is
enabled (BARO displayed), the small hand acts as the barometric
pressure change indicator (lower half of the dial). You can disable the
barometric pressure change indicator (BARO not displayed) by
holding down C for at least of two seconds in the Timekeeping Mode
or Barometer Mode.
Tide (Tide Graph Hand)
Tide (Tide Graph Hand)
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To view tide level and Moon age for a specifi c date and time
1. Use B to enter the Tide/Moon Data Mode as shown on page E-30.
This displays the Tide Screen, which displays information in the following sequence: TIDE ➝
•
Today's date ➝ 6:00AM.
•
Tide Graph hand indicates the tide at 6 a.m. for today.
Tide level at 6:00
a.m. for today
•
If you are using 12-hour timekeeping, the P (p.m.) and A (a.m.) indicators will also appear on the
display.
2. Use A to specify the time you want.
Each press of A advances the time by one hour, causing the Tide Graph hand to change
•
accordingly.
Holding down A for about two seconds scrolls the time at high speed.
•
You can use this screen to check the tide level at a specifi c time.
•
To view tide level and Moon age information for another date, go to step 3 of this procedure. You
cannot change the date while the Tide Screen is displayed.
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5. Press C.
This returns to the Tide Screen, which displays information in the following sequence: TIDE ➝
•
Specifi ed date ➝ Specifi ed time.
•
The Tide Graph hand indicates the tide for the specifi ed date and time.
You can use this screen to check tide level for a specifi ed date and time.
Calibrating the High Tide Time
You obtain more accurate tide indications by the watch by calibrating its high tide time with information
you can fi nd on the Internet or in a newspaper.
•
Note that the high tide time differs according to your location and the current season.
•
Use the Moon Screen to calibrate high tide times.
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3. Pull out the crown.
•
This will cause the hour and minute digits of the high tide time to
fl ash.
•
The watch's hour, minute, and second hands will move to 2 o'clock.
•
If you are using 12-hour timekeeping, the P (p.m.) and A (a.m.)
indicators will also appear on the display.
4. Rotate the crown to change the minute setting.
•
Hour setting will change in accordance with minute setting
changes. To set the hour hand separately, go to step 5 of this
Hour : Minutes
Hour : Minutes
procedure.
•
You can also use HS1 high-speed movement (page E-6) to change
this setting.
•
Any time during steps 4 through 6, you can discard your changes
and return to the high tide time for the date that was previously
selected by pressing A and C at the same time.
•
If there are two high tides on a date, set the time of the fi rst high
tide. The watch will automatically calculate the time of the second
one.
•
If summer time is turned on for your Home Time (DST displayed),
you should also use summer time when setting the high tide time
(page E-34).
5. Press B.
6. Rotate the crown to change the hour setting.
•
You can also use HS1 high-speed movement (page E-6) to change
this setting.
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Operation Guide 5371
Tide Screen
Low tide
•
The tide in the Home City is indicated even while the watch is in the World Time Mode.
•
If the Tide Graph hand indication is not correct, check the Timekeeping Mode time and date, and the
Home City settings. If this does not correct the problem, refer to "Calibrating the High Tide Time" (page
E-84).
To view a Moon age
In the Timekeeping Mode, press C as many times as necessary to
display the Moon Age Screen.
•
The Moon age is for noon on the current date, regardless of the
indicated time.
•
Calculation error for the Moon age is ±1 day.
Today's Moon age
Today's Moon age
3. Press C.
This displays the Moon Screen, which displays information in the following sequence: MOON ➝
•
Today's Moon age.
•
The Tide Graph hand moves to 9 o'clock.
Tide Screen
Tide level at
10:00 a.m. for today
4. Use A to specify the time you want.
Pressing A causes today's date to appear on the digital display. Each press of A advances the
•
day by 1.
Holding down A for about two seconds scrolls at high speed.
•
•
About two seconds after you display the desired date, the Moon age on that date appears.
•
You can select any date between January 1, 2000 and December 31, 2099.
You can use this screen to check the Moon age on the specifi ed date.
•
To view the tide level for a specifi ed date and time, go to step 5 of this procedure.
To calibrate the high tide time
1. In the Tide/Moon Data Mode, display the Moon Screen.
If the Tide Screen is displayed, press C to change to the Moon Screen, which shows information
•
in the following sequence: MOON ➝ Moon age.
Tide Screen
2. Use A to specify the date you want.
Pressing A causes today's date to appear on the digital display. Each press of A advances the
•
day by 1.
Holding down A for about two seconds scrolls at high speed.
•
•
About two seconds after you display the desired date, the Moon age on that date appears.
•
You can skip this step if you do not want to change the date setting.
7. Push the crown back in.
•
The Tide Screen reappears after calibration is complete.
•
Performing the above procedure allows the Tide Graph hand to indicate more accurate tide
information.
•
The Tide Graph and Moon Age information you can view in the Tide/Moon Data Mode changes in
accordance with the date you specify in step 2 of the above procedure. If you want to view Tide
Graph and Moon Age information for a particular date, to back to step 2 and specify the date.
•
The calibration setting you make with this procedure is also applied to Tide Graph information
indicated in other modes besides the Tide/Moon Data Mode.
High tide
Low tide
Moon Screen
Tide level
not indicated
Today's Moon age
Moon Screen
Today's Moon age
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