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Operation Guide 3216 3223
E-50
2. Press A once to display the tide site name selection
screen.
• The current tide site name will be on the display and
SET will flash.
3.Use D (forward) and B (back) to scroll through the
tide site names until the one you want is displayed.
• If the tide site name is longer than four characters, the
name will scroll from right to left on the display.
• A tide site that does not have any data assigned to it
displays the name “USER”.
4.When all of the settings are the way you want, press A
to exit the setting screen.
• The tide graph in the Timekeeping Mode shows
information for the site you select here.
• The tide site candidates are those with the UTC
differential as the current Home City. If you cannot find
the site you want, you can select “USER”.
• Only “USER” sites may be available for some cities.
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• Setting an accurate high tide time will allow the watch to produce accurate tide
readings. Especially when “USER” is selected as the site, make sure that you input
an accurate high tide time.
• Only a “USER” site can be selected while UTC is selected as the Home City.
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Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Moon Phase Indicator
The Moon phase indicator of this watch indicates the
current phase of the Moon as shown below. It is based on
the view of the left side of the moon at meridian transit
from the northern hemisphere of the Earth. If the
appearance of the Moon phase indicator is reversed from
the actual Moon as viewed from your location, you can
use the procedure under “To reverse the displayed Moon
phase” (page E-22) to change the indicator.
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Module 3216
Module 3223
Moon Phase indicator
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Moon phase (part you can see)
Moon
Phase
Indicator
Moon Age
Moon Phase
New
Moon
First
Quarter
(Waxing)
28.7-29.8
1.0-2.7 2.8-4.6 4.7-6.4 6.5-8.3 8.4-10.1
10.2-12.0
12.1-13.8
0.0-0.9
Module
3216
Module
3223
(part you cannot see)
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Moon
Phase
Indicator
Moon Age
Moon Phase
Module
3216
Module
3223
(part you cannot see)Moon phase (part you can see)
13.9-15.7 15.8-17.5 17.6-19.4 19.5-21.2 21.3-23.1 23.2-24.9 25.0-26.8 26.9-28.6
Full
Moon
Last
Quarter
(Waning)
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Tidal Movements
Tides are the periodic rise and fall of the water of oceans, seas, bays, and other
bodies of water caused mainly by the gravitational interactions between the Earth,
Moon and Sun. Tides rise and fall about every six hours. The Tide Graph of this watch
indicates tidal movement based on the Moon’s transit over a meridian and the lunitidal
interval. The Tide Graph calculates and graphically represents current tide conditions
in your currently selected site or USER site based on longitudes, lunar day length, and
lunitidal interval preset in watch memory, and on high tide times specified by you.
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Tide Graph
The Tide Graph graphically represents the current tide condition using one of three
patterns that represent spring tide, intermediate tide, and neap tide, as shown below.
Large difference between high tide
and low tide. Occurs a few days
before and after a New Moon and Full
Moon.
Medium difference between high tide
and low tide.
Small difference between high tide
and low tide. Occurs a few days
before and after the first quarter and
last quarter of a half moon.
Tide Name Graph Description
Spring Tide
Intermediate Tide
Neap Tide
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•
The Tide Graph flashes as shown below to indicate the tide range.
• The segments on either end of the Tide Graph flash during high tide.
Lunitidal Interval
Theoretically, high tide is at the moon’s transit over the meridian and low tide is about
six hours later. Actual high tide occurs somewhat later, due to factors such as
viscosity, friction, and underwater topography. Both the time differential between the
moon’s transit over the meridian until high tide and the time differential between the
moon’s transit over the meridian until low tide are known as the “lunitidal interval”.
Tides data is calculated using the lunitidal intervals preset for each site.
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High tideLow tide
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Button Operation Tone
The button operation tone sounds any time you press one
of the watch’s buttons. You can turn the button operation
tone on or off as desired.
• Even if you turn off the button operation tone, alarms,
the Hourly Time Signal, and other beepers all operate
normally.
To turn the button operation tone on and off
1.In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2.Press C nine times until the current button operation
tone setting (
or ) appears.
3.Press D to toggle the setting between
(tone on)
and
(tone off).
4. Press A to exit the setting screen.
• The mute indicator is displayed in all modes when the
button operation tone is turned off.
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Mute indicator
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Power Saving Function
When turned on, the Power Saving function enters a
sleep state automatically whenever the watch is left in an
area for a certain period where it is dark. The table below
shows how watch functions are affected by the Power
Saving function.
Elapsed Time
in Dark
60 to 70 minutes
6 or 7 days
Display
Blank, with Power Saving
indicator flashing
Blank, with Power Saving
indicator not flashing
Operation
All functions enabled, except for the
display
Beeper tone, illumination, and display
are disabled.
• Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.
Power saving indicator