Tide/moon data, World time, Countdown timer – G-Shock GL-7500-2AV User Manual

Page 2: Operation guide 2941

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Operation Guide 2941

2

To switch between vibration alert and beeper alert

In the Timekeeping Mode, hold down E for about two
seconds to toggle between vibration alert (the vibration
alert on indicator displayed in all modes) and beeper alert
(the vibration alert on indicator not displayed).

Vibration alert on
indicator

Tide/Moon Data

Tide/Moon data lets you view the Moon phase for a
particular date, and tidal movements for a particular date
and time for the Home Site.

• When you enter the Tide/Moon Data Mode, the data for

6:00 a.m. on the current date appears first.

• If you suspect that the Tide/Moon data is not correct for

some reason, check the Timekeeping Mode data
(current time, date, and Home Site settings), and make
changes as required.

• See “Moon Phase Indicator” for information about the

Moon phase indicator and “Tide Graph” for information
about the tide graph.

• All of the operations in this section are performed in the

Tide/Moon Data Mode, which you enter by pressing D.

Month–Day

Time

Tide graph

Moon Phase Indicator

To view the Moon data for a particular date

In the Tide/Moon Data Mode, use E (+) and B (–) to display the date whose Moon
data you want to view.

• You can select any date from 2000 to 2039.

• You can also specify a date for tide data or Moon data. For details, see “To specify a

date”.

To view tide data for a particular time

1. In the Tide/Moon Data Mode, use E (+) and B (–) to display the date whose tide

data you want to view.

• The initial screen shows the tide graph for 6:00 AM.

2. Specify the time for which you want to display tide data.

• Use C (+) to change the time in one-hour steps.

To specify a date

1. In the Tide/Moon Data Mode, hold down A until the

month setting starts to flash, which indicates the setting
screen.

2. Press D to move the flashing in the sequence shown

below to select the other settings.

Day

Year

Month

3. While a setting is flashing, use E (+) or B (–) to

change it.

• You can specify a date in the range of January 1,

2000 to December 31, 2039.

4. Press A to exit the setting screen.

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Year

Month–Day

World Time

The World Time Mode shows you the current time in 28
cities (29 time zones) around the world.

• The time settings of the Timekeeping Mode and the

World Time Mode are independent from each other, so
you must make separate settings for each.

• Whenever you change the time setting for any city in the

World Time Mode, the settings of all other cities are
changed accordingly.

• All of the operations in this section are performed in the

World Time Mode, which you enter by pressing D.

To view the time in another city

While in the World Time Mode, press E to scroll through the city codes (time zones)
eastwardly or B to scroll westwardly.

• For full information on city codes, see the “City Code Table”.

]WT

City code

Timekeeping Mode time

Current time in
selected city

To toggle a city code time between Standard Time and Daylight Saving Time

1. In the World Time Mode, use B and E to display the

city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.

2. Hold down C to toggle Daylight Saving Time (DST

indicator displayed) and Standard Time (DST indicator
not displayed).

• Note that you cannot switch between Standard Time

and Daylight Saving Time while

GMT

is selected as the

city code.

• The DST indicator will appear whenever you display a

city code for which Daylight Saving Time is turned on.

• Note that the DST/Standard Time setting affects only the

currently displayed city code. Other city codes are not
affected.

DST indicator

To set the current time in the World Time Mode

1. In the World Time Mode, use E and B to select the

city code whose time you want to set.

2. After you select a city code, hold down A until the hour

setting of the World time starts to flash, which indicates
the setting screen.

3. Use D to move the flashing between the hour and

minute settings.

4. When the setting you want to change is flashing, use E (+) and B (–) to change it.

• When setting the world time using the 12-hour format, take care to set the time

correctly as a.m. (no indicator) or p.m. (P indicator).

5. Press A to exit the setting screen.

• Note that you cannot make settings for individual city codes. Daylight Saving Time

(summer time) advances the time setting of all the World Time Mode cities by one
hour from Standard Time. Remember that not all countries or even local areas use
Daylight Saving Time.

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Countdown Timer

The countdown timer can be set within a range of one
minute to 60 minutes. The currently selected alert
operation (beeper or vibration) is performed when the end
of the countdown is reached. The countdown timer has
two modes: auto-repeat and elapsed time. A progress
alert (beeper or vibration) signals the progress of the
countdown. All of this makes the countdown timer a
valuable tool for timing the start of a yacht race.

• You can select either beeper alert or vibration alert for

the alarm. The explanations in this section are based on
the beeper alert, unless stated otherwise.

• All of the operations in this section are performed in the

Countdown Timer Mode, which you enter by pressing
D.

Minutes Seconds

Timekeeping Mode time

Configuring Countdown Timer Settings

The following are the settings you should configure before actually using the
countdown timer.

Countdown start time and reset time
Timer mode (auto-repeat, elapsed time)

• See “To configure countdown timer settings” for information about setting up the

timer.

Reset Time
You can set a “reset time,” which is a kind of alternate countdown start time. After you
set a reset time, you can recall with the press of a button any time a countdown
operation is in progress.

Timer Mode
The countdown timer gives you a choice of two modes: auto-repeat and elapsed time.

Auto-repeat

Auto-repeat automatically restarts the countdown from the countdown start time
whenever zero is reached.

• Auto-repeat mode is best when timing the starts of match races.

• Even if you start a countdown operation from the reset time, the countdown

automatically restarts from the countdown start time whenever it reaches zero.

• Auto repeat timing repeats up to seven times.

Elapsed Time

When the end of the countdown is reached in the elapsed time mode, the timer
automatically switches to an elapsed time measurement operation.

• The elapsed time mode is best when timing the speed of yachts during ocean races.

• The elapsed time operation is performed in one-second increments up to 99 hours,

59 minutes, 59 seconds.

Countdown Timer Alert Operations

While a countdown is in progress, the watch performs various different alert
operations, so you can keep informed of the countdown status, without looking at the
watch display. The following explains each of the countdown timer alert operations.

Countdown End Alert
The following countdown alert operations are performed for each of the final ten
seconds of the countdown, and when the countdown reaches zero.

Countdown

Final seconds 10 through 6 (5 times)

Final seconds 5 through 1 (5 times)

When the countdown reaches zero

Beep

High pitch

Lower pitch

Longer beep

Vibration

2 each

1 each

Longer vibration

• Except in the Stopwatch Mode, all buttons are disabled while a countdown end alert

operation is being performed.

Progress Alert
There are two types of progress alert: a reset time alert and a reset period progress
alert.

Reset Time Alert

The reset time alert is similar to the alert operations performed for each of the final 10
seconds of a countdown. For the reset time alert, the watch performs an alert
operation for each of the final 10 seconds before the reset time is reached.

• Except in the Stopwatch Mode, all buttons are disabled while a reset time alert is

being performed.

Reset Period Progress Alert

The reset period is the portion of the countdown between the reset time and zero.
During the reset period, the watch performs an alert operation at the top of each
minute, and at the point 30 seconds before the end of the countdown is reached. Each
reset period progress alert operation consists of four short beeps or two vibrations,
depending on the type of alert that is selected.

Countdown Timer Examples

Countdown start time: 10 minutes; Reset time: 5 minutes; Timer mode: Auto-repeat

10'00"

Start Time

Reset Time

0'00"

1'00" 0'30"

2'00"

3'00"

4'00"

5'00"

Reset Period

Reset Period Progress Alert

Countdown
End Alert

Reset Time Alert

Countdown start time: 10 minutes; Reset time: 5 minutes; Timer mode: Elapsed time

10'00"

0'00"

5'00"

Countdown
End Alert

Elapsed time
measurement

Start Time

Reset Time

Reset Period

1'00" 0'30"

2'00"

3'00"

4'00"

Reset Period Progress Alert

Reset Time Alert

To configure countdown timer settings

1. While the countdown start time is on the display in the

Countdown Timer Mode, hold down A until the
countdown start time setting starts to flash, which
indicates the setting screen.

• If the countdown start time is not displayed, use the

procedure under “To use the countdown timer” to
display it.

2. Press D to move the flashing in the sequence shown

below to select other settings.

Reset

Time

Timer
Mode

Start
Time

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Auto–repeat indicator

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