Casio 3293 Tide Graph, Graphic Area, Power Saving Function, Auto Return, Scrolling, Initial Screens, Button Operation Tone, lll, Timekeeping, World Time

Operation Guide 3270/3293

	Moon phase (part you can see)						(part you cannot see)				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, the
Moon	Module										Moon and the Sun. Tides rise and fall about every six hours. The Tide Graph of this
Phase	3270
											watch indicates tidal movement based on the Moon’s transit over a meridian and the
Indicator
											lunitidal interval. The Tide Graph calculates and graphically represents current tide
	Module										conditions in your Home City or a port city in the vicinity of the Home City based on
	3293										longitudes, lunar day length, and lunitidal interval preset in watch memory, and on
											high tide times specified by you.
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)

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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.

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.
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Graphic Area

The information shown in the graphic area depends on the current mode.

Graphic Area	Mode	Graphic Area
	Timekeeping Mode	Timekeeping Mode seconds
	World Time Mode	Timekeeping Mode seconds
	Alarm Mode	No indication
	Stopwatch Mode	Stopwatch Mode 1/10 seconds
	CountdownTimer Mode	CountdownTimer Mode seconds

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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.

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.

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Auto Return

If you do not perform any operation for about two or three minutes while a setting screen (with a flashing setting) is on the display, the watch will exit the setting screen automatically.

Scrolling

The B and D are used in various modes and setting screens to scroll through data on the display. In most cases, holding down these buttons during a scroll operation scrolls at high speed.

Initial Screens

When you enter the World Time Mode or Alarm Mode, the data you were viewing when you last exited the mode appears first.

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

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

High tide Low 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”.

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Button Operation Tone

Mute indicator	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
l l l l		1. In the Timekeeping Mode, hold down A until the city
l	l	code starts to flash, which indicates the setting screen.
l
l	l
l	l	2. Press C nine times until the current button operation
	l
l l l l
		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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•The watch will not enter the sleep state between 6:00 AM and 9:59 PM. If the watch is already in the sleep state when 6:00 AM arrives, however, it will remain in the sleep state.

To recover from the sleep state

Perform any one of the following operations.

•Move the watch to a well-lit area.

•Press any button.

•Angle the watch towards your face for reading (page E-38).

To turn Power Saving 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 11 times until the Power Saving on/off screen
	lll l lll				appears.
	l			l	3. Press D to toggle Power Saving on ( ) and off (	).
	l			l
	l
	l	l		l	4. Press A to exit the setting screen.
	ll		l
	l	ll	l	l
	l	ll l			• The Power Saving indicator is on the display in all
	llll
	On/Off status				modes while Power Saving is turned on.
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Timekeeping

•Resetting the seconds to 00 while the current count is in the range of 30 to 59 causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are reset to 00 without changing the minutes.

•The year can be set in the range of 2000 to 2099.

•The watch’s built-in full automatic calendar makes allowances for different month lengths and leap years. Once you set the date, there should be no reason to change it except after you have the watch’s battery replaced.

•The current time for all city codes in the Timekeeping Mode and World Time Mode is calculated in accordance with the Coordinated Universal Time (UTC) for each city, based on your Home City time setting.

World Time

The seconds count of the World Time is synchronized with the seconds count of the Timekeeping Mode.

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