Operation Guide 2532
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to carefully read this manual and keep it on hand for later reference when necessary.
Expose the watch to bright light to charge its battery before using it.
You can use this watch even as its battery is being charged by exposure to bright light.
•Be sure to read “Battery” of this manual for important information you need to know when exposing the watch to bright light.
If the display of the watch is blank...
If the SLEEP indicator is on the display, it means that the display is blank because the watch’s Power Saving function has turned off the display to conserve power. Power Saving automatically turns off the display and puts the watch into a sleep state whenever your watch is left for a certain period where it is dark.
•The initial factory default setting is Power Saving on.
•The watch recovers from the sleep state if you move it to
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*It can take up to five seconds for the display to turn on.
•See “Power Saving Function” for more information.
General Guide
•Press Cto change from mode to mode.
•In any mode, press L to illuminate the display.
Timekeeping Mode | Press C. |
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Timekeeping
Warning!
•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.
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Moon / Tide Data Mode | Coutdown Timer Mode | |
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Dual Time Mode | Stopwatch Mode | Alarm Mode |
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Moon phase indicator
Tide graph
PM indicator
Day of week
Month – Day
Hour : Minutes Seconds
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!
•Moon phase, tide graph data, and Moon/Tide Data Mode data will not be displayed properly unless the Timekeeping Mode current date and time settings and Home Site data are configured correctly. See “Home Site Data” for more information.
•Note that you must add one hour to the GMT differential for your time zone whenever you change to Daylight Saving Time. Subtract one hour when you change back to Standard Time.
•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 Data List” and “Lunitidal Interval List” provide GMT differential, longitude, and lunitidal interval information around the world.
•The following is the initial factory default Home Site data (Tokyo, Japan) when you first purchase the watch, whenever battery power drops to Level 5, and whenever you have the battery replaced. Change these settings to match the area where you anormally use the watch.
GMT differential (+9.0); Longitude (East 140 degrees); Lunitidal interval (5 hours, 20 minutes)
To configure Home Site data
To set the time and date
1. In the Timekeeping Mode, hold down Auntil the seconds start to flash, which indicates the setting screen.
2. Press Cto move the flashing in the sequence shown below to select other settings.
Year
Seconds 
Hour 
Minutes 
Format
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| Year |
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3.When the setting you want to change is flashing, use D and Bto change it as described below.
To change this setting | Perform this button operation |
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Seconds | Press Dto reset to 00. |
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Hour, Minutes, Year, | Use D(+) and B |
Month, Day |
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Press Dto toggle between | |
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Power Saving | Press Dto toggle Power Saving on (ON) and off |
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4. Press A twice to exit the setting screen.
•The first press of Adisplays the GMT differential setting screen. Pressing Aagain exits the setting screen.
•See “Power Saving Function” for details about configuring Power Saving settings.
•The
•The day of the week is automatically displayed in accordance with the date (year, month, and day) settings.
Home Site Data
Moon phase, tide graph data, and Moon/Tide Data Mode data will not be displayed properly unless Home Site data (GMT differential, longitude, and lunitidal interval) is configured correctly.
•The GMT differential is the time difference of the time zone where the site is located from Greenwich Mean Time.
1.In the Timekeeping Mode, hold down Auntil the seconds start to flash, which indicates the setting screen.
2.Press Aagain to display the GMT differential setting screen.
3.Press Cto move the flashing in the sequence shown below to select other settings.
GMT differential
GMT |
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| Longitude |
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| Lunitidal Interval |
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| Lunitidal Interval |
differential |
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| Hours |
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4.When the setting you want to change is flashing, use Dand Bto change it as described below.
Setting | Screen | Button Operations |
GMT differential |
| Use D (+) and |
•You can specify a value in the range of
Longitude | Use D (+) and |
•You can specify a value in the range of 179°W to 180°E, in
Lunitidal Interval | Use D (+) and |
Hours, Minutes |
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5. Press Ato exit the setting screen.
Moon/Tide Data
Moon phase indicator | Moon/tide data lets you view the Moon age and Moon | ||||
phase for a particular date, and tidal movements for a | |||||
Tide gragh |
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| • If you suspect that the Moon/tide data is not correct for |
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| some reason, check the Timekeeping Mode data |
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| (current time, date, and Home Site settings), and make |
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| changes as required. |
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| • See “Moon Phase Indicator” for information about the |
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| Moon phase indicator and “Tide Graph” for information |
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| about the tide graph. |
Moon | age | • All of the operations in this section are performed in the | |||
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| Moon/Tide Data Mode, which you enter by pressing C. |
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