Casio 3223 Reference, Moon Phase Indicator, Tide Graph, Button Operation Tone, Power Saving Function

Operation Guide 3216 3223

l	ll		l	l l
					l
l						l
l					l	l
	l	l	l	l

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.

•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.

E-51

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

Module 3216						The Moon phase indicator of this watch indicates the
	lll			lll		current phase of the Moon as shown below. It is based on
ll			ll			the view of the left side of the moon at meridian transit
l		l	l		l
		l			l
l		l	l		l
	ll			ll		from the northern hemisphere of the Earth. If the
						appearance of the Moon phase indicator is reversed from
Moon Phase indicator						the actual Moon as viewed from your location, you can
						use the procedure under “To reverse the displayed Moon
Module 3223						phase” (page E-22) to change the indicator.
ll	lll		ll	lll
		l			l
l		l	l		l
l		l	l		l
	ll			ll
E-52
			Moon phase (part you can see)				(part you cannot see)

Moon Module

Phase 3216

Indicator

Module

3223

Moon Age 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	Last
Moon Phase Moon	Quarter
	(Waning)

E-54

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.

Tide Name	Graph	Description
Spring Tide		Large difference between high tide
		and low tide. Occurs a few days
		before and after a New Moon and Full
		Moon.
Intermediate Tide		Medium difference between high tide
		and low tide.
Neap 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.
E-56

		(part you cannot see)		Moon phase (part you can see)
Moon	Module
Phase	3216
Indicator
	Module
	3223
Moon Age		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
		New		First
Moon Phase		Moon		Quarter
				(Waxing)
				E-53

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.

E-55

•The Tide Graph flashes as shown below to indicate the tide range.

llll					llll
l			l		l			l
l			l		l			l
l		l			l		l
l					l
		l
	l					ll
Low		tide		High	tide

•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.

E-57

Button Operation Tone

							The button operation tone sounds any time you press one
l	lll			l	lll		of the watch’s buttons. You can turn the button operation
		l				l
l		l		l		l	tone on or off as desired.
l				l
l		l		l		l
	ll				ll		• Even if you turn off the button operation tone, alarms,
							the Hourly Time Signal, and other beepers all operate
							normally.
			Mute indicator
To turn the button operation tone on and off
							1. In the Timekeeping Mode, hold down A until the city
		l l l l					code starts to flash, which indicates the setting screen.
	l		l				2. Press Cnine times until the current button operation
	l		l
	l		l				tone setting (		or	) appears.
			l
	l
		l l l l					3. Press Dto 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.

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.

Power saving indicator

Elapsed Time	Display	Operation
in Dark
60 to 70 minutes	Blank, with Power Saving	All functions enabled, except for the
	indicator flashing	display
6 or 7 days	Blank, with Power Saving	Beeper tone, illumination, and display
	indicator not flashing	are disabled.

•Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.

E-58 E-59