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Instructions for a Casio Model 2926

Updated April 17, 2017

The Casio W753V-5AV, also known by its module number, 2926, is a casual sports watch that comes equipped with 100 meters of water resistance, a stopwatch, timer, countdown timer, 10-year battery and auto LED light with afterglow. The watch also includes a tide graph and the ability to display moon phase data. However, in order for these features to display accurate information, the user must first input information about his current location, such as the longitude, GMT differential and lunitidal interval.

Examine the four buttons installed around the edges of the watch face. Note the locations of the "A" and "C" buttons on the upper-left and lower-left edges of the watch face. Note the locations of the "B" and "D" buttons, found on the upper-right and lower-right edges of the watch face.

Press the "C" button repeatedly until the watch enters "timekeeping" mode; this mode displays the date and the day of the week underneath the current time setting. Press and hold the "A" button until the seconds setting starts blinking. Press the "D" button to reset the seconds setting to zero when desired. Press the "C" button to move on to the minutes setting.

Use the "D" and "B" buttons to add to or subtract from the current minutes setting, respectively. Press the "C" button to proceed to the hours setting. Use the "D" and "B" buttons in a similar manner to input the desired hours setting, then press the "C" button to proceed to the time format setting.

Press the "D" button to switch between the 12-hour and 24-hour time format settings. Select the desired time format setting and press the "C" button to proceed to the date settings. Use the "D" and "B" buttons to input the desired year setting, then press the "C" button to proceed. Input the desired month and day settings in a similar manner.

Press the "A" button to proceed to the GMT differential settings. Refer to your GMT differential chart and locate the differential that corresponds to the location nearest to your own. Use the "D" and "B" buttons to adjust the differential setting as necessary. Press the "C" button to proceed to the longitude setting.

Use the "D" and "B" buttons to adjust the longitude setting to match your current longitude. Press the "C" button to proceed to the lunitidal interval hours setting. Refer to your lunitidal interval chart and locate the data that corresponds to your location. Use the "D" and "B" buttons to input the correct lunitidal interval hours setting. Press the "C" button to proceed to the lunitidal interval minutes setting. Use the "D" and "B" buttons to input the correct lunitidal interval minutes setting. Press the "A" button to confirm your settings and exit to the timekeeping display.

Things You'll Need

  • GMT differential chart
  • Longitude data
  • Lunitidal interval chart
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About the Author

Daniel Barrows has been working as a freelance writer for businesses in the Southern California area for over two years. He has also published articles online for websites like eHow.com and Answerbag.com. He has received a Bachelors of Arts in English from the University of California, Berkeley.