Casio 3088 Watch User Manual


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Operation Guide 3088
1
MO0711-EB
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to read this manual carefully.
Warning!
• The measurement functions built into this watch are not intended for use in taking
measurements that require professional or industrial precision. Values produced
by this watch should be considered as reasonably accurate representations only.
• The longitude, lunitidal interval, Moon phase indicator and tide graph data that
appear on the display of this watch are not intended for navigation purposes.
Always use proper instruments and resources to obtain data for navigation
purposes.
• This watch is not an instrument for calculating low tide and high tide times. The
tide graph of this watch is intended to provide a reasonable approximation of tidal
movements only.
• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss, or any
claims by third parties that may arise through the use of this watch.
About This Manual
• Button operations are indicated using the letters shown
in the illustration.
• Each section of this manual provides you with the
information you need to perform operations in each
mode. Further details and technical information can be
found in the “Reference” section.
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press B to illuminate
the display.
Stopwatch Mode
World Time Mode
Tide/Moon Data Mode
▲
Countdown Timer
Mode
Alarm Mode
Press C.
Timekeeping Mode
▲
▲
▲
▲
▲
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
• The tide graph shows tidal movements for the current
date in accordance with the current time as kept in the
Timekeeping Mode.
• The Moon phase indicator shows the current Moon
phase in accordance with the current date as kept in the
Timekeeping Mode.
Important!
• Be sure to configure the current time and date, and your
Home Site data (data for the site where you use the
watch) correctly before using the functions of this watch.
See “Home Site Data” for more information.
Day of week
Month – DayTide graph
Moon phase
indicator
Hour : Minutes Seconds
PM indicator
Setting the Time and Date
This watch is preset with UTC differential values that represent each time zone
around the globe. Before setting the time, be sure to set the UTC differential for your
Home Site first, which is the location where you normally will be using the watch.
• Note that World Time Mode times are all displayed based on the time and date
settings you configure in the Timekeeping Mode.
To set the time and date
1.In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
• Be sure to configure the correct UTC differential for
your Home Site before configuring any other
Timekeeping Mode settings.
• See the “UTC Differential/City Code List” for
information about the UTC differential settings that are
supported.
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Seconds
2. Press C to move the flashing in the sequence shown below to select other
settings.
Hour
UTC
Differential
Minutes
Year
DST
Day
Month
Seconds
Flash Alert
3. When the setting you want to change is flashing, use D and B to change it as
described below.
Reset the seconds to 00
Toggle between Daylight Saving
Time (
ON) and Standard Time
(
OFF)
Press D.
Press D.
Screen: To do this: Do this:
•See “Daylight Saving Time (DST) Setting” below for details about the DST setting.
• The UTC differential setting range is –12.0 to +14.0, in 0.5-hour units.
• When DST is turned on, the UTC differential setting range is –11.0 to +15.0, in
0.5-hour units.
• For information about Flash Alert, see “Flash Alert”.
4. Press A twice to exit the setting screen.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
Specify the UTC differential
Change the hour or minutes
Change the year, month or day
Use D (+) and B (–).
Use D (+) and B (–).
Use D (+) and B (–).
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and 24-
hour timekeeping.
• With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for
times in the range of noon to 11:59 p.m. and no indicator appears to the left of the
hour digits for times in the range of midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
Daylight Saving Time (DST) Setting
Daylight Saving Time (summer time) advances the time setting by one hour from
Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
To toggle the Timekeeping Mode time between DST and Standard Time
1.In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C once and the DST setting screen appears.
3. Press D to toggle between Daylight Saving Time (
ON
displayed) and Standard Time (OFF displayed).
4. Press A twice to exit the setting screen.
• The DST indicator appears on the Timekeeping, Tide/
Moon Data, and Alarm Mode screens to indicate that
Daylight Saving Time is turned on. In the case of the
Tide/Moon Data Mode, the DST indicator appears on
the Tide Data screen only.
Home Site Data
Moon phase, tide graph data, and Tide/Moon Data Mode data will not be displayed
properly unless Home Site data (UTC differential, longitude and lunitidal interval) is
configured correctly.
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DST indicator
On/Off status
• The UTC differential indicates the time differential with Greenwich, England.
• 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.
• The lunitidal interval is the time elapsing between the Moon’s transit over a meridian
and the next high tide at that meridian. See “Lunitidal Interval” for more information.
• This watch displays lunitidal intervals in terms of hours and minutes.
• The “Site/Lunitidal Interval Data List” provides UTC differential and longitude
information around the world.
• The following is the initial factory default Home Site data (Tokyo, Japan) when you
first purchase the watch and whenever you have the battery replaced. Change these
settings to match the area where you normally use the watch.
UTC differential (+9.0); Longitude (East 140 degrees); Lunitidal interval (5 hours,
20 minutes)
To configure Home Site data
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C twice to display the UTC differential setting
screen, and confirm that the setting is correct.
• If the UTC differential setting is not correct, use D (+)
and B (–) to change it.
3. Press A to display the longitude value setting screen.
4.Press C to move the flashing in the sequence shown
below to select other settings.
Lunitidal Interval
Hours
Lunitidal Interval
Minutes
Longitude
(East/West)
Longitude
Value
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Longitude value
Longitude (East/West)
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