- Pressing C in the Timekeeping Mode illuminates the display for about two seconds. The backlight is disabled while a setting screen is on the display.
- When using 12-hour timekeeping, a P appears on the display for “pm” times (noon to 11:59 pm). An “am” time (midnight to 11:59 am) is indicated when there is no P indicator on the display. 24-hour timekeeping is being used when the 24 indicator is on the display.
1. While in the Timekeeping Mode, hold down A until the seconds digits flash on the display, indicating the setting screen.
2. Press B to move the flashing in the sequence shown below.
3. While the seconds setting is selected (flashing), press C to reset it to 00.
- If you press C while the seconds setting is in the range of 30 to 59, the seconds are reset to 00 and 1 is added to the minutes. If the seconds setting is in the range of 00 to 29, the minutes count is unchanged
- While the DST∗ (Daylight Saving Time) setting is selected, press C to toggle it on and off.
- Daylight Saving Time (DST), which is also sometimes called “summer time” advances the time for one hour, as is the custom in some areas during the summer. Remember that not all countries or even local areas use Daylight Saving Time.
- DST indicator 1 flashes on the display only while the DST setting is selected on the setting screen. It shows 0 when DST is turned off, and 1 when DST is turned on.
- DST indicator 2 also flashes on the display while the DST setting is selected on the setting screen. In addition, it appears in the Timekeeping Mode and Alarm Mode while DST is turned on. DST indicator 1 is not displayed in these modes while DST is turned off.
- While the 12/24 setting is selected, press C to toggle it between 12-hour and 24-hour timekeeping.
4. While any other digits are selected (flashing), press C to increase them. Holding down C changes the digits at high speed.
5. After you make the settings you want, press A to exit the setting screen.
- The day of the week is set automatically in accordance with the date.
- The date can be set within the range of January 1, 2000 to December 31, 2039.
Being a fan of CASIO watches since 2009, I strive to share my passion and knowledge with others. Through publishing short notes and curating all listings on this site, I hope to inspire fellow enthusiasts to explore the world of high-quality CASIO watches. A proud owner of GST-B200, GG-1000, GA-110. Remember: Fake Watches are for Fake People.
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