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Operation Guide 3768/3769
MA0508-EC
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 and keep it on hand for later reference
when necessary.
Important!
The fishing/hunting level indicator and moon phase indicator produced by this watch
are all based on calculations that use the watch’s current time, date, and Home Site
settings. Because of this, you should make sure that the current date and time, and
your Home Site data are all correct before using the indicators.
• When fishing or hunting, always take proper precautions to ensure your own
personal safety and the personal safety of others around you.
• Note that the fishing/hunting level indicator and moon phase indicator are all based
on calculated values. They are provided only for reference purposes.
• See the “Timekeeping” section of this manual for information about setting the
current time and date, and about specifying your Home Site.
About This Manual
• The operational procedures for Modules 3768 and 3769
are identical. All of the illustrations in this manual show
Module 3768.
• Button operations are indicated using the letters shown
in the illustration.
• For the sake of simplicity, the sample displays in this
manual do not show the analog hands of the watch.
• 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.
Module 3768
Module 3769
Timekeeping
Mode
Fishing/Hunting
Mode
Stopwatch
Mode
Countdown Timer
Mode
Alarm
Mode
Dual Time
Mode
Hand Setting
Mode
Press .
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 face of the watch.
Fishing/hunting level
indicator
Day of week
Month – Day
Hour : Minutes Seconds
PM indicator
Timekeeping
This watch features separate digital and analog
timekeeping. The procedures for setting the digital time
and analog time are different.
• The Moon phase indicator shows the current Moon
phase in accordance with the current date as kept in the
Timekeeping Mode.
• The fishing/hunting level indicator indicates the times
when fish or game can be expected to be feeding. For
more information, see “Fishing/Hunting 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.
Digital Time and Date
Use the Timekeeping Mode to set and view a digital display of the current time and date.
When setting the digital time, you can also configure settings for summer time
(Daylight Saving Time or DST).
To set the digital time and date
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select the other settings.
Seconds DST Hour Minutes
Day Month Year
3. When the setting you want to change is flashing, use B and D to change it as
described below.
DST indicator
On/Off status
Screen To do this:
Reset the seconds to
00
Toggle between Daylight Saving Time (
ON
) and
Standard Time (
OF
)
Change the hour or minutes
Change the year
Change the month or day
Do this:
Press D.
Press D.
Use D (+) and B (–).
4. Press A twice to exit the setting screen.
• The first press of A displays the UTC differential setting screen. Pressing A again
exits the setting screen.
• Resetting the seconds only (without changing the DST, hour, or minute setting)
causes the analog minute hand setting to be adjusted automatically.
• See “Digital Time Daylight Saving Time (DST) Setting” below for details about the
DST setting.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
Digital Time Daylight Saving Time (DST) Setting
Daylight Saving Time (summer time) advances the digital 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 digital 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 to display the DST setting screen.
3. Press D to toggle between Daylight Saving Time (
ON
displayed) and Standard Time (
OF
displayed).
4. Press A twice to exit the setting screen.
• The DST indicator appears on the Timekeeping, Fishing/
Hunting, Alarm, and Hand Setting Mode screens to
indicate that Daylight Saving Time is turned on. In the
case of the Fishing/Hunting Mode, the DST indicator
appears on the fishing/hunting level screen only.
Home Site Data
Moon phase, the fishing/hunting level indicator, and Fishing/Hunting Mode data will
not be displayed properly unless Home Site data (UTC differential and longitude) is
configured correctly.
• 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.
• The “Site Data List” at the back of this manual provides UTC differential, latitude,
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)
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