MO0905-EA
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Operation Guide 5056
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.
• 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.
• When fishing, always take proper precautions to ensure your own personal safety
and the personal safety of others around you.
• The fishing 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.
Warning!
• See the “Timekeeping” section of this manual for information about setting the
current time and date, and about specifying your Home Site.
• Note that the fishing level indicator and moon phase indicator are all based on
calculated values. They are provided only for reference purposes.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage
or loss suffered by you or any third party arising through the use of this product or
its malfunction.
About This Manual
(Light)
Warning!
• 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.
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.
Timekeeping Mode
Press C.
▲
Fishing Mode
▲
Hand Setting Mode
▲
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
This watch features separate digital and analog timekeeping. The procedures for
setting the digital time and analog time are different.
• In the Timekeeping Mode, press A to toggle between the thermometer screen and
the temperature tendency screen.
Thermometer Screen
Temperature
Day of
week –
Day
PM
indicator
Hour : Minutes
•
The fishing level indicator indicates the times when fish can be expected to be feeding.
For more information, see
• The Moon phase indicator shows the current Moon phase in accordance with the
current date as kept in the Timekeeping Mode.
• See “Thermometer” for details about the thermometer screen and temperature
tendency graph.
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.
Setting the Digital Time and Date
This watch is preset with UTC differential values that represent each time zone around
the globe. Before setting the digital time, be sure to first set the UTC differential for
your Home Site, 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 digital time and date
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Seconds
Seconds
Temperature
Unit
Moon phase
indicator
Seconds
Fishing level
indicator
“
Fishing Mode
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
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your Home Site before configuring any other
Timekeeping Mode settings.
• See the “City Code List” for information about the UTC
differential settings that are supported.
2. Press C to move the flashing in the sequence shown
below to select the setting you want.
DST
UTC
Differential
Temperature Sensor
Calibration
Press A.
▲
”.
Temperature Tendency
Screen
▲
Hour
Minutes
Day
Month
Temperature
tendency
graph
12/24-Hour
Forma t
Year
Temperature Data
Recall Mode
▲
Stopwatch Mode
▲
▲
World Time Mode
Alarm Mode
▲
3. When the setting you want to change is flashing, use D and B to change it as
described below.
Screen:
• The UTC differential setting range is –12.0 to +14.0 in 0.5-hour units for Standard
Time (DST turned off), and –11.0 to +15.0 in 0.5-hour units for summer time (DST
turned on).
• For information about settings other than the time and date, see the following.
Temperature Sensor Calibration: “Thermometer”
Temperature Unit: “To specify the temperature display unit”
4. Press A twice to exit the setting screen.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all modes.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
• See “Daylight Saving Time (DST) Setting” below for details about the DST setting.
• Any time the seconds setting is changed, the analog hands are adjusted accordingly.
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 digital time between DST and Standard Time
Home Site Data
Moon phase, the fishing level indicator, and Fishing 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.
To do this:
Reset the seconds to 00
Toggle between Daylight Saving
Time (ON) and Standard Time (OF)
Specify the UTC differential
Change the hour or minutes
Toggle between 12-hour (12H) and
24-hour (24H) timekeeping
Change the year, month, or day
On/Off status
DST indicator
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 (OF displayed).
4. Press A twice to exit the setting screen.
•
The DST indicator appears on the Timekeeping, Fishing,
Alarm, and Hand Setting Mode screens to indicate that
Daylight Saving Time is turned on. In the case of the
Fishing Mode, the DST indicator appears on the fishing
level screen only.
Countdown Timer
Mode
▲
Do this:
Press D.
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
Press D.
Use D (+) and B (–).
ON
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Operation Guide 5056
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• The “Site 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 batteries replaced. Change
these settings to match the area where you normally use the watch.
UTC differential (+9.0); Longitude (East 140 degrees)
To configure Home Site data
Longitude
(east/west)
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Longitude
value
Setting
Longitude Value
Longitude Unit
(East/West)
6. Press A to exit the setting screen.
Setting the Analog Time
Perform the procedure below when the time indicated by the analog hands does not
match the time of the digital display.
To adjust the analog time
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• To lock high speed hands movement, hold down D to start it and then press B
to lock. The hands will continue to advance for one 12-hour cycle or until you
press any button to stop it.
It will also stop automatically after the time advances 12 hours or if an alarm (daily
alarm, Hourly Time Signal, or countdown beeper) starts to sound.
4. Press A to exit the setting screen.
• The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.
• To return to the Timekeeping Mode, press C.
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 toggle the flashing between the longitude
value and the longitude unit (east/west).
5. While the setting you want to change is flashing, use
D and B to change it as described below.
Screen
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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 (
1. In the Timekeeping Mode, press C seven times to
enter the Hand Setting Mode.
2. Hold down A until the current digital time starts to
flash, which indicates the setting screen.
3. Use D to adjust the analog setting.
• Press D once to advance the hands 20 seconds.
• Hold down D to advance the hands at high speed.
Button Operations
degree units.
).
Fishing Mode
Month – Day
Fishing level
indicator
Fishing Level Screen
Fishing Level Indicator
The fishing level indicator shows the relative favorability of a fishing time (calculated in
accordance with Moon transit and phase) as shown in the table below.
Moon Phase
New moon*
Full moon
First quarter
Last quarter
Other
* These indicators actually appear during Moon ages 13.0 to 16.6 (Full Moon and
• The fishing level indicator changes in accordance with the Moon data.
• In the Timekeeping Mode, the FISH indicator flashes whenever the fishing level of
To view the current fishing level and Moon data
In the Fishing Mode, press A to toggle between the fishing level screen and the
Moon Data screen.
• The fishing level indicator shows the level for the displayed time. The initial fishing
Moon phase
indicator
Time
Level 5
Moon Transit
phase immediately preceding it) and 27.7 to 1.8 (New Moon and phase immediately
preceding it).
the current time is 4 or 5.
level screen shows the level for 6:00 a.m. The Moon data screen shows the Moon
age and Moon phase for the current date.
The Fishing Mode displays an indicator that shows, as
one of five levels, the suitability of a specific date and time
(minute 00 to minute 59 of a particular hour) for fishing.
This mode also can be used to display Moon Data (Moon
age and Moon phase) for a specific date.
• If you suspect that the fishing level indicator or current
Moon data is wrong for some reason, check the current
Timekeeping Mode settings (time, date, and Home Site),
and correct them if required.
• See “Moon Phase Indicator” for information about the
Moon phase indicator.
• All of the operations in this section are performed in the
FISH
Fishing Mode, which you enter by pressing C.
indicator
Level 4
Level 3
Upper
Lower
Level 5
Level 4
Level 3
Level 2
West
East
Level 4
Level 3
Level 2
Level 1
Other
Level 3
Level 2
Level 1
Fishing Level Screen
Month – Day
Press A.
▲
Fishing level
Time
indicator
• While the fishing level 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 can also specify a particular date (year, month, day) to view its fishing level and
Moon data. See “To specify a date” for more information.
• When you enter the Fishing Mode, the screen (fishing level or Moon data) that was
displayed the last time you exited the mode appears first.
To specify a date
Month – Day
Year
3. While a setting is flashing, use D (+) or B (–) to change it.
• You can specify a date in the range of January 1, 2000 to December 31, 2099.
4. Press A to exit the setting screen.
5. Use A to display either the fishing level screen or the Moon Data screen.
1. In the Fishing 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.
Moon Data Screen
Month – Day
▲
Month DayYe a r
Moon age
Moon phase
indicator
Thermometer
This watch uses a temperature sensor to measure temperature. A reading is taken
during each even-numbered minute, and the result of the last reading is displayed on
the thermometer screen.
The watch also takes separate readings and stores them in memory for display in the
temperature tendency graph, which can be viewed in the Timekeeping Mode.
Measured temperature values are stored in memory for later recall when you need
them.
Thermometer Screen
Temperature
Press A.
▲
• You can select either Celsius (°C) or Fahrenheit (°F) units for the thermometer
screen. See “To specify the temperature display unit” for more information.
• The thermometer screen displays temperature values in 0.1°C units (or 0.2°F units).
• The display range of the thermometer screen is –10.0°C to 60.0°C (or 14.0°F to
140.0°F).
• You can calibrate the temperature sensor if you feel that the displayed temperature
values are not correct. See “Temperature Sensor Calibration” for more information.
Important!
• Temperature measurements are affected by your body temperature (while you are
wearing the watch), direct sunlight, and moisture. To achieve a more accurate
temperature measurement, remove the watch from your wrist, place it in a well
ventilated location out of direct sunlight, and wipe all moisture from the case. It takes
approximately 20 to 30 minutes for the case of the watch to reach the actual
surrounding temperature.
Temperature Tendency Graph
The watch also takes temperature readings at the top and the bottom of each hour
and stores the results in memory for display on the temperature tendency graph.
Depending on the current Timekeeping Mode time, the temperature tendency graph
shows either the top of the hour measurements or the bottom of the hour
measurements for the past 17 hours.
From the top of each hour to the 29th minute, past top of the hour readings are shown
in the graph. From the bottom of each hour to the 59th minute, past bottom of the hour
readings are shown in the graph.
Temperature tendency graph contents are updated every 30 minutes.
▲
Past 17 hours of
measurement values
The horizontal axis of the graph represents time. The rightmost column is the newest
temperature value in memory, while the leftmost column is the temperature value
stored approximately 17 hours ago (1 dot = 1 hour). The vertical axis of the graph
represents the relative change from one hour to the next.
• When the relative change from one hour to the next exceeds +10.0°C (+18.0°F), the
dot at the highest point for the applicable hour flashes.
• When the relative change from one hour to the next exceeds –10.0°C (–18.0°F),
there is no dot in the applicable hour’s column.
• If a measurement error occurs for some reason, only a single the dot in the center
column will be displayed.
Temperature change greater
than +10.0°C (+18.0°F)
Latest measurement
value
Temperature change greater
than –10.0°C (–18.0°F)
Temperature
Tendency Screen
▲
+6.0 to +9.9°C (+10.8 to +17.8°F)
+2.0 to +5.9°C (+3.6 to +10.6°F)
–1.9 to +1.9°C (–3.4 to +3.4°F)
–5.9 to –2.0°C (–10.6 to –3.6°F)
–9.9 to –6.0°C (–17.8 to –10.8°F)
Error
Temperature
tendency
graph
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