Casio Computer Company, Ltd., of Tokyo, Japan, manufactures Casio analogue digital watches. Many Casio analogue digital watches are multifunctional.They include calculator and time zone and compass functions in addition to serving simply as a timepiece. Most Casios, such as the G-Shock and Wave Ceptor Combi, are marketed to outdoor enthusiasts who want a rugged, durable timepiece with a design that reflects their outdoor lifestyle. Analogue digital atomic watch models also are capable of receiving low-frequency radio signals from worldwide time stations to provide the most accurate time.
Locate the Casio analogue digital watch's four buttons located at the 2, 4, 8 and 10 o'clock positions on the edge of the case. Note that the 8 o'clock position sets the digital time, alarm, date alert, stopwatch, time recorder and analogue hand setting modes. Press the 2 o'clock button and it will illuminates the display if you are setting your watch in low light.
Set the Casio analogue digital atomic watch to the city you live in or are closest to by holding down the 10 o'clock button until the LED flashes "USA." Press the 4 o'clock button to locate eastern cities and 2 o'clock for cities in the west. Once the region is selected, press the 2 o'clock button, for example, if you live in Sacramento, California. Set the display for "LAX" for Los Angeles as the home city. Pressing the 10 o'clock button will exit the time calibration mode and the time is set automatically.
Manually set the time by pressing the 8 o'clock button once for the timekeeping mode. Hold down the 10 o'clock button and the setting screen will appear. Press the 10 o'clock button again to set the time at the 12- or 24-hour setting. Press the 8 o'clock button to set the seconds, hour, minutes, year, month and day that will follow in that order on the display screen.
Press the 8 o'clock button to enter the alarm mode. Press the button at 4 o'clock to access the alarm screen. Select an alarm, such as "AL1," and then hold down the 10 o'clock button to flash the hour and minutes. Pressing the 4 o'clock button will advance the time, while the 2 o'clock button reverses it. Set the time and exit by pushing the 10 o'clock button.
If you have difficulty setting your watch, press the 10 o'clock button to exit the setting mode to start over again.
Keep clear of large buildings and mountains to receive the radio signal if setting the time on an atomic watch.