Bedienungsanleitung Casio 3088 - G-9100 (Seite 4 von 5) (Englisch)

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Operation Guide 3088

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.

Moon phase indicator

• The Moon phase indicator shows the Moon as viewed at noon from a position in the

Northern Hemisphere looking south. Note that at times the image shown by the

Moon phase indicator may differ from that of the actual Moon in your area.

• The left-right orientation of the Moon phase is reversed when viewing from the

Southern Hemisphere or from a point near the equator.

Moon Phase

Indicator

Moon Age

Moon Phase New

Moon

First

Quarter

(Waxing)

Full

Moon

Last

Quarter

(Waning)

0.0 - 1.8

1.9 - 5.5 5.6 - 9.2 9.3 - 12.9 13.0 - 16.6

16.7 - 20.2

20.3 - 23.9 24.0 - 27.6

27.7 - 29.5

Moon phase (part you can see)(part you cannot see)

Moon Phases and Moon Age

The Moon goes through a regular 29.53-day cycle. During each cycle, the Moon

appears to wax and wane as the relative positioning of the Earth, Moon, and Sun

changes. The greater the angular distance between the Moon and the Sun,* the more

we see illuminated.

* The angle to the Moon in relation to the direction at which the Sun is visible from the

Earth.

This watch performs a rough calculation of the current Moon age starting from day 0

of the moon age cycle. Since this watch performs calculations using integer values

only (no fractions), the margin for error of the displayed Moon age is ± 1 day.

Tide Graph

The Tide Graph has six graphic segments, each of which indicates a different tide

level. The current tide level is indicated by the displayed graphic segment.

High Tide

Low Tide

(Falling

Tide)

(Rising

Tide)

(Rising

Tide)

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 lunitidal interval differs according to your current location, so you must

specify a lunitidal interval in order to obtain the correct tide graph readings.

The tide graph displayed by this watch is based on the current Moon age.

Remember that the margin for error of the Moon age displayed by this watch is ± 1

day. The greater the error in a particular Moon age, the greater the error in the

resulting tide graph.

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”.

When setting the lunitidal interval for this watch, use the time differential between the

Moon’s transit over the meridian until high tide.

Graphic Area

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

Graphic Area

Flash Alert

When Flash Alert is turned on, the illumination flashes for the alarms, the Hourly Time

Signal, the countdown alarm, and stopwatch auto start.

Mode

Timekeeping

Tide/Moon Data

World Time

Stopwatch

Countdown Timer

Alarm

Graphic Area

Timekeeping Mode seconds

No indication

Timekeeping Mode seconds

Stopwatch time seconds

Countdown time seconds

No indication

To turn Flash Alert on and off

1. In the Timekeeping Mode, hold down A for about two

seconds until the current time flashes on the display.

This is the setting screen.

2. Press C eight times to display the Flash Alert setting

screen.

3. Press D to toggle Flash Alert on (

displayed) and

off (

displayed).

4. Press A twice to exit the setting screen.

• The Flash Alert setting you select with the above

procedure is applied in all modes.

• When Flash Alert is on,

appears on the

timekeeping screen for about one second whenever you

enter the Stopwatch, Countdown Timer, or Alarm Mode.

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, the

alarms, the Hourly Time Signal, the countdown alarm,

and stopwatch auto start all operate normally.

To turn the button operation tone on and off

In any mode (except when a setting screen is on the

display), hold down C to toggle the button operation tone

on (

not displayed) and off ( displayed).

• Holding down C to turn the button operation tone on or off also causes the watch’s

current mode to change.

• The

indicator is displayed in all modes when the button operation tone is turned

off.

Auto Return Features

• If you leave the watch in the Alarm Mode or Tide/Moon Data Mode for two or three

minutes without performing any operation, it changes to the Timekeeping Mode

automatically.

• If you leave a screen with flashing digits on the display for two or three minutes

without performing any operation, the watch exits the setting screen automatically.

Scrolling

The B and D buttons 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 or Alarm Mode, the data you were viewing when you

last exited the mode appears first.

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.

World Time

• The seconds count of the World Time is synchronized with the seconds count of the

Timekeeping Mode.

• All World Time Mode times are calculated from the current time in the Timekeeping

Mode using UTC time differential values.

• The UTC differential is a value that indicates the time difference between a

reference point in Greenwich, England and the time zone where a city is located.

• The letters UTC is the abbreviation for Coordinated Universal Time, which is the

world-wide scientific standard of timekeeping. It is based upon carefully maintained

atomic (cesium) clocks that keep time accurately to within microseconds. Leap

seconds are added or subtracted as necessary to keep UTC in sync with the Earth’s

rotation.

Illumination Precautions

• The electro-luminescent panel that provides illumination loses power after very long

use.

• Illumination may be hard to see when viewed under direct sunlight.

• The watch may emit an audible sound whenever the display is illuminated. This is

due to vibration of the EL panel used for illumination, and does not indicate

malfunction.

• Illumination turns off automatically whenever an alarm sounds.

• Frequent use of illumination runs down the battery.

More than 15 degrees

too high

Auto light switch precautions

• Avoid wearing the watch on the inside of your wrist. Doing so causes the auto light

switch to operate when it is not needed, which shortens battery life. If you want to

wear the watch on the inside of your wrist, turn off the auto light switch feature.

• Illumination may not turn on if the face of the watch is

more than 15 degrees above or below parallel. Make

sure that the back of your hand is parallel to the ground.

• Illumination turns off in about one second, even if you

keep the watch pointed towards your face.

• Static electricity or magnetic force can interfere with proper operation of the auto

light switch. If illumination does not turn on, try moving the watch back to the starting

position (parallel with the ground) and then tilt it back toward you again. If this does

not work, drop your arm all the way down so it hangs at your side, and then bring it

back up again.

• Under certain conditions, illumination may not turn on until about one second after

you turn the face of the watch towards you. This does not necessarily indicate

malfunction of the auto light switch.

• You may notice a very faint clicking sound coming from the watch when it is shaken

back and forth. This sound is caused by mechanical operation of the auto light

switch, and does not indicate a problem with the watch.

Casio 3088 - G-9100 Seite 4

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