Casio 2315 Owner's Manual

Module No. 2315

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• Press

B to change from mode to mode.

Calendar Mode Timekeeping Mode Alarm Mode Stopwatch Mode Dual Time Mode

Crown

ABOUT THE BACKLIGHT

GENERAL GUIDE

• Hold down

• The backlight of this watch employs an electro-luminescent (EL) light, which loses

• Frequent use of the backlight shortens the battery life.

• The watch emits an audible sound whenever the display is illuminated. This does

• The illumination provided by the backlight may be hard to see when viewed under

• The backlight automatically turns off whenever an alarm sounds.

L to illuminate the display for about 2 seconds. The backlight is dis-

abled while an input screen (with a flashing setting) is on the display. its illuminating power after very long term use.

not indicate malfunction of the watch. direct sunlight.

CALENDAR MODE

• This is the normal mode for this watch.

To set the date

Minute handHour hand

Day

Crown

Day of week

Year DayMonth

B changes the digits at high

Second hand

Month

1.Hold down

2.Press

3. Press

4.Press

5.Press

6.Press

7. Press

• If you do not operate any button for a few minutes while a selection is flashing, the

• The date can be set with the range of January 1,1995 to December 31, 2039.

• The day of the week changes automatically in accordance with the date.

A until the ADJ indicator starts to flash, followed by flashing of the year

digits.

B to increase the year digits. Holding down

speed.

A to move the selection to month digits.

AA BB

B to increase the month digits. Holding down

speed.

A to move the selection to the day digits.

AA BB

B to increase the day digits. Holding down

speed.

A to complete the procedure.

flashing stops and the watch goes back to the Calendar Mode automatically.

To set the hands

1.When the second hand is at 12 o'clock position, stop it by pulling the crown out.

2.Set the hands by turning the crown.

3.Press the crown in on a time signal.

ALARM MODE

Hour Minutes

Mode indicator

Hour

When the Daily Alarm is turned on, an alarm sounds for 20 seconds at the preset time each day.

To set the Alarm Time

1.Hold down digits of the alarm.

• The alarm turns on at this time.

2.Press

B to increase the hour digits. Holding down

speed.

3. Press

A to move the selection to the minutes digits.

AA BB

4.Press

B to increase the minutes digits. Holding down

speed.

5.Press

A to complete the procedure.

• If you do not operate any button for a few minutes while a selection is flashing, the

flashing stops and the watch goes back to the Alarm Mode automatically.

To stop the alarm

• Press any button to stop the alarm after it starts to sound.

To turn the Daily Alarm on and off

Press

A while in the Alarm Mode to turn the Daily Alarm on and off.

To test the alarm

Hold down

B to sound the alarm.

Minutes

A until the ADJ indicator starts to flash, followed by flashing of the hour

B changes the digits at high

Press

• Use this mode to set the current time. An incorrect time setting will result in incor-

TIMEKEEPING MODE

rect operation of the calendar.

To set the time and date

Crown

Seconds

12/24

Seconds

Hour

Minutes

1. Hold down seconds digits.

2.Press the range of 30 to 59, the seconds are reset to 00 and 1 is added to the minutes. If the seconds count is in the range of 00 to 29, the minutes count is unchanged.

3.Press

4.Press high speed.

5.Press

6.Press digits at high speed.

7.Press

8.Press

9.Press

• If you do not operate any button for a few minutes while a selection is flashing, the

flashing stops and the watch goes back to the Timekeeping Mode automatically.

A until the ADJ indicator starts to flash, followed by flashing of the

B to reset the seconds to 00. If you press

A to move the selection to the hour digits.

AA BB

B to increase the hour digits. Holding down

A to move the selection to the minutes digits.

AA BB

B to increase the minutes digits. Holding down

A to move the selection to 12/24.

AA BB

B to toggle the timekeeping format between 12-hour and 24-hour.

BB AA

A to complete the procedure.

Hour

Minutes

B while the seconds count is in

B changes the hour digits at

B changes the minutes

STOPWATCH MODE

After the first hour

Minutes Seconds

The stopwatch Mode lets you measure elapsed time. The range of the stopwatch is 23 hours, 59 minutes 59 seconds. The measuring unit for the first hour of elapsed time measurement is 1/100-second. After that the unit is one second. You can use the EL backlight at any time while the stopwatch is operating by pressing

To use the Stopwatch

1.Press

A to start the stopwatch.

AA AA

2.Press

A to stop the time measurement.

• You can press

3. After you are finished using the stopwatch, hold down time to all zeros.

A as many times as you want to resume and stop timing.

1/100 second

Seconds

Hour

Minutes

A to clear the stopwatch

DUAL TIME MODE

Hour Minutes

Seconds

Hour

Minutes

To set the Dual Time

1.Hold down

2.Press

3.Press

4.Press

5.Press

• If you do not operate any button for a few minutes while a selection is flashing, the

• The format (12-hour and 24-hour) of the Dual Time Mode matches the format you

• In the Dual Time Mode, the seconds count is synchronized with the seconds count

A until the ADJ indicator starts to flash, followed by flashing of the hour

digits.

B to increase the hour digits. Holding down

A to move the selection to the minutes digits.

AA BB

B to increase the minutes digits. Holding down

speed.

A to complete the procedure.

flashing stops and the watch goes back to the Dual Time Mode automatically. select for normal timekeeping. of the Timekeeping Mode.

B changes the digits at high speed.

B changes the digits at high

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