Casio module 3513

1. In the Timekeeping Mode, hold E for at least two seconds and let go when the Home City name appears.
2. Press D to step through the settings: Home City, summer time, 12/24-hour format, seconds, hours, minutes, year, month, day, then button tone, light duration and Power Saving.
3. On the seconds, press A to reset them to 00.
4. On any other setting, press A or C to change it (hold for fast).
5. Press E twice to finish.

From Casio's guide, page 11

1. In the Timekeeping Mode, hold E for at least two seconds and let go when the Home City name appears.
2. Press D once to reach the summer time setting.
3. Press A to choose ON (summer time) or OFF (standard time).
4. Press E twice to finish. DST shows while summer time is on.

From Casio's guide, page 10

1. In the Timekeeping Mode, hold E for at least two seconds and let go when the Home City name appears.
2. Press A or C to scroll through the cities (hold for fast).
3. Press E twice to finish.

From Casio's guide, page 10

1. Press D until the Alarm Mode shows.
2. Press A or C to pick an alarm: AL-1 to AL-4, or SNZ for the snooze alarm.
3. Hold E for at least two seconds and let go when the hour flashes; the alarm is turned on.
4. Press A or C to set the hour, press D to move to the minutes, then A or C again.
5. Press E to finish.

From Casio's guide, page 13

1. Press L to light the face.
2. For Auto Light, hold L for at least three seconds in the Timekeeping Mode; LT shows while it is on, and the face lights when you tilt the watch towards you.
3. To change the duration: hold E until the Home City name appears, then press D ten times to reach LIGHT.
4. Press A to choose 1 (1.5 seconds) or 3 (3 seconds), then E twice to finish.

From Casio's guide, page 9

1. In the Timekeeping Mode, hold E for at least two seconds and let go when the Home City name appears.
2. Press D nine times: key or MUTE flashes.
3. Press A to switch between them, then E twice to finish.

From Casio's guide, page 30

1. Press D until the Stopwatch Mode shows.
2. Press A to start and A again to stop; A resumes.
3. While running, press C to freeze a split time, and C again to release it.
4. When stopped, press C to reset to zero.

From Casio's guide, page 28

1. Press D until the Timer Mode shows.
2. Hold E for at least two seconds and let go when the hours flash.
3. Press A or C to set the hours, press D, then set the minutes the same way.
4. Press E to finish.
5. Press A to start, pause and resume; when paused, press C to go back to the start time.

From Casio's guide, page 29