Casio 1884 Owner's Manual

Module No. 1884

1884-1

• Press C to change from mode to mode. Each mode is explained in detail on the

following pages.

Timekeeping Mode

Press C.

▼

Stopwatch Mode

▼

TIMEKEEPING MODE

GENERAL GUIDE

Month

Day

3. While the seconds digits are selected (flashing), press D to reset the seconds to 00.

• If you press D while the seconds count is in the range of 30 to 59, the seconds are

4. While any other digits (besides seconds) are selected (flashing), press D to

• Holding down either button changes the setting at high speed.

5. After you set the time and date, press A to return to the Timekeeping Mode.

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

• The watch does not make any allowance for leap years. Be sure to manually set

About the backlight

The backlight uses an EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the dark. An EL alarm feature can be turned on so the backlight flashes whenever an alarm or hourly time signal sounds.

• Pressing L in any mode turns on the EL backlight for about two seconds.

• If an alarm starts to sound while the backlight is lit after you press L, the backlight

• The electro-luminescent panel loses illuminating power after very long use.

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

To turn the EL alarm on and off

In the Timekeeping Mode, hold down B for about two seconds to toggle the EL alarm on (

• The

Seconds

Hour

Minutes

PM indicator

00 and 1 is added to the minutes. If the seconds count is in the range of 00

reset to to 29, the minutes count is unchanged.

increase the setting or B to decrease it. While the day of the week is selected, pressing D advances to the next day and B goes to the previous day.

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

February 29 (when one occurs) to the appropriate date.

will either turn off (if the EL alarm feature is turned off) or start to flash (if the EL alarm feature is turned on).

direct sunlight.

indicator displayed) and off ( indicator not displayed).

indicator is on the display in all modes while the EL alarm is turned on.

• In the Timekeeping Mode, press D to switch between

Day of week

EL alarm on indicator

on the display for times in the range of noon to 11:59 pm

A (AM) indicator appears for times in the range

and the

of midnight to 11:59 am.

• With the 24-hour format, times are indicated in the range of 00:00 to 23:59, without any indicator.

To set the time and date

1. Press A while in the Timekeeping Mode. The seconds

digits flash on the display because they are

2. Press C to change the selection in the following sequence.

Seconds

Day of week

Hour

Day

the 12-hour and 24-hour formats.

• With the 12-hour format, the

P (PM) indicator appears

Minutes

Month

selected

• In any mode, press L to illuminate the display for about two seconds.

Data Recall Mode

▼

To measure elapsed time

1. Press B to start the stopwatch.

2. Press B to stop the stopwatch.

• You can resume the measurement operation by pressing B again.

3. Press D to clear the stopwatch to all zeros.

To record lap and split times

1. Press B to start the stopwatch.

2. Press D to display the timing up to that point. Stopwatch timing continues internally.

• When you press D, the lap and split times remain on the display for about seven

seconds. Then the display automatically changes back to the stopwatch (elapsed time) display.

3. You can repeat step 2 as many times as you want.

4. Press B to stop the time measurement.

5. Press D to clear the stopwatch to all zeros.

About the memory function

Whenever you perform a lap/split time operation, the measured times are automatically stored into memory along with the lap/split number. You can store up to 10 lap/split times in memory. If you perform more than 10 lap/split time operations, the memory will contain the times for the first 9 laps/splits (as lap/split numbers 1 through 9), and the final lap and split time (as lap/split 10).

START LAP LAP LAP LAP LAP STOP

SPLIT SPLIT SPLIT SPLIT SPLIT

BD D D D

Data in the lap/split memory is cleared whenever you start a new stopwatch timing operation. For details on recalling data in the lap/split memory, see “DATA RECALL MODE”.

Alarm Mode

▼

Final lap time

Final split time (Total elapsed time)

DATA RECALL MODE

Lap/split number

Split time

Mode indicator

Lap time

Use the Data Recall Mode to recall times stored in memory.

To recall data from memory

1. Enter the Data Recall Mode and the data for lap/split

number 1 appears on the display.

2. Press D to scroll through the other times stored in

memory.

• The data scrolls in sequence from 1 through 10.

• Any lap/split for which there is no data shows

for the time.

• If you enter the Data Recall Mode while a stopwatch operation is in progress, the time for the current lap/split is shown as

00’00”00.

00’00”00

Lap/split number

Upper display

Mode indicator

Lower display

OFFON

STOPWATCH MODE

The Stopwatch Mode lets you measure elapsed time, lap times, and split times. Time is measured with 1/100 of a second accuracy. You can also store up to 10 lap and split times in memory.

• The lap time appears in the upper part of the display.

You can use this function to time how long it takes to complete a specific portion (such as a single lap) of a race.

• The split time appears in the lower part of the display. You can use this function to time how long it takes to get from the start to a specific point in a race.

AM indicator

Hour

Mode indicator

Alarm on indicator

Minutes

Hourly time signal on indicator

ALARM MODE

When the Daily Alarm is turned on, the alarm sounds for 20 seconds at the preset time each day. Press any button to stop the alarm after it starts to sound. When the Hourly Time Signal is turned on, the watch beeps every hour on the hour.

To set the alarm time

1. Press A while in the Alarm Mode. The hour digits flash

on the display because they are

• This operation automatically turns on the Daily Alarm.

2. Press C to change the selection in the following sequence.

Hour

3. Press D to increase the setting or B to decrease it.

Holding down either button changes the setting at high speed.

selected

Minutes

• The format (12-hour or 24-hour) of the alarm time matches the format you select for normal timekeeping.

• When setting the alarm time using the 12-hour format, take care to set the time correctly as morning (

4. After you set the alarm time, press A to return to the Alarm Mode.

To turn the Daily Alarm and Hourly Time Signal on and off

Press D while in the Alarm Mode to change the status of the Daily Alarm and Hourly Time Signal in the following sequence.

[Alarm ON Indicator / Hourly Time Signal ON Indicator]

A indicator) or afternoon (P indicator).

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Both ON Hourly Time

To test the alarm

Hold down B while in the Alarm Mode to sound the alarm.

Daily Alarm onlyBoth OFF

Signal only