MO1011-EA
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Operation Guide 3265
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.
E E-1
About This Manual
E-2
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the time and date ......................................................................................... E-9
To toggle between 12-hour and 24-hour timekeeping .......................................E-12
To toggle the Timekeeping Mode time between DST and Standard Time ........ E-13
To configure Home Site data ............................................................................... E-15
To specify a date ...................................................................................................E-19
To view the time in another city........................................................................... E-22
To toggle a city code time between Standard Time and
Daylight Saving Time ...................................................................................... E-22
To measure times with the stopwatch ................................................................ E-24
To use Auto-Start ..................................................................................................E-25
E-4
• Depending on the model of your watch, display text
appears either as dark figures on a light background or
light figures on a dark background. All sample displays
in this manual are shown using dark figures on a light
background.
• 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.
• 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 age 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.
Contents
General Guide ......................................................................................................... E-6
Timekeeping ............................................................................................................ E-8
Tide/Moon Data ..................................................................................................... E-17
World Time ............................................................................................................. E-21
Stopwatch .............................................................................................................. E-23
Countdown Timer .................................................................................................. E-26
Alarms .................................................................................................................... E-32
Illumination ............................................................................................................ E-39
Reference .............................................................................................................. E-41
Specifications ....................................................................................................... E-50
To configure the countdown timer ...................................................................... E-29
To use the countdown timer ................................................................................ E-31
To set an alarm time ............................................................................................. E-34
To test the alarm ................................................................................................... E-36
To turn an alarm on and off.................................................................................. E-37
To turn the Hourly Time Signal on and off ..........................................................E-38
To illuminate the display ...................................................................................... E-39
To specify the illumination duration ................................................................... E-40
To turn Flash Alert on and off ..............................................................................E-45
To turn the button operation tone on and off .....................................................E-46
Warning!
E-3
E-5
General Guide
• Press C to change from mode to mode.
• In any mode, press L to illuminate the display.
E-6
Timekeeping
Day of week
PM indicator
E-8
Tide graph
Month – Day
Hour : Minutes Seconds
Timekeeping Mode
Press C.
▲
Use the Timekeeping Mode to set and view the current
time and date.
• The tide graph (page E-42) shows tidal movements for
the current date in accordance with the current time 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” (page E-13) for more information.
World Time ModeTide/Moon Data Mode
▲
Countdown Timer ModeAlarm Mode
▲
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 (page E-21) are all displayed based on the time
and date settings you configure in the Timekeeping Mode.
To set the time and date
Seconds
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” at the back
of this manual for information about the UTC
differential settings that are supported.
▲
Stopwatch Mode
▲
▲
E-7
E-9
Operation Guide 3265
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2. Press C to move the flashing in the sequence shown below to select other
settings.
UTC
Seconds
3. When the setting you want to change is flashing, use D and B to change it as
described below.
Screen To do this: Do this:
E-10
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and 24hour 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.
E-12
• 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” (page E-43) for more
information.
• This watch displays lunitidal intervals in terms of hours and minutes.
• The “Site/Lunitidal Interval Data List” at the back of this manual 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)
DST
Differential
Flash Alert
Reset the seconds to
Toggle between Daylight Saving
Time (
(
)
Day
) and Standard Time
Month
Hour
Press D.
Press D.
Minutes
Ye a r
Screen To do this: Do this:
• See “Daylight Saving Time (DST) Setting” (page E-12) 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” (page E-45).
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.
To toggle the Timekeeping Mode time between DST and Standard Time
On/Off status
Home Site Data
Moon age, 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.
To configure Home Site data
Longitude (East/West)
Longitude value
Specify the UTC differential
Change the hour or minutes
Change the year, month or day
DST indicator
Longitude
Value
Longitude
(East/West)
Use D (+) and B (–).
Use D (+) and B (–).
Use D (+) and B (–).
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
(
displayed) and Standard Time ( displayed).
4. Press A twice to exit the setting screen.
• The DST indicator appears on the Timekeeping, and
Tide/Moon Data 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.
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
E-11
E-13
E-14
5. While the setting you want to change is flashing, use D and B to change it as
described below.
Setting
Longitude Value
Longitude
(East/West)
Lunitidal Interval
Hours, Minutes
6. Press A to exit the setting screen.
E-16
Tide/Moon Data Screens
In the Tide/Moon Data Mode, press A to toggle between the Tide Data screen and
the Moon Data screen.
Tide graph
Screen
Use D (+) and B (–) to change the setting.
• You can specify a value from 0° to 180°, in 1-
Use D to switch between east longitude (
and west longitude (
Use D (+) and B (–) to change the setting.
▲
Time Moon age
E-18
Month – Day
degree units.
Press A.
Button Operations
).
Moon Data ScreenTide Data Screen
▲
)
Tide/Moon Data
Tide graph
Month – Day
Time
• While the Tide Data screen is displayed, press D to advance to the next hour.
• While the Moon Data screen is displayed, press D to advance to the next day.
• You also can specify a particular date (year, month, day) to view its tide data and
moon data. See “To specify a date” for more information.
• When you enter the Tide/Moon Data Mode, the screen (tide data or moon data) that
was displayed the last time you exited the mode appears first.
To specify a date
Month – DayYear
Tide/Moon data lets you view the moon age for a
particular date, and tidal movements for a particular date
and time for your 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 “Tide Graph” (page E-42) 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 C
(page E-7).
1. In the Tide/Moon Data Mode, hold down A until the
year setting starts to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select the other settings.
Month DayYe a r
E-15
E-17
E-19