Casio 4781 User Manual

MA0704-EA

Operation Guide 4781

About This Manual

• Depending on the model of your watch, display text appears either as dark figures on a light background or light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background.

• Button operations are indicated using the letters shown in the illustration.

• For the sake of simplicity, the sample displays in this manual do not show the analog hands of the watch.

• Each section of this manual provides you with the information you need to perform operations in each mode. Further details and technical information can be found in the “Reference” section.

General Guide

• Press C to change from mode to mode.

• In any mode (except when a setting screen is on the display), press B to illuminate

the display.

Timekeeping

Mode

e-DATA MEMORY

Mode

World Time

Mode

City Temperature

Mode

Press .

Timekeeping

Use the Timekeeping Mode to set and view the current digital time and date.

• This watch features separate digital and analog timekeeping. Note that the digital time and analog time are independent of each other, and must be set separately.

• Pressing D in the Timekeeping Mode cycles through available screen formats as shown below.

Hour : Minutes

Seconds

PM indicator

Read This Before You Set the Digital Time and Date !

The times displayed in the Timekeeping Mode and World Time Mode are linked. Because of this, make sure you select a city code for your Home City (the city where you normally use the watch) before you set the digital time and date.

To set the digital time and date

Seconds City Code

3. When the setting you want to change is flashing, use D and B to change it as

described below.

Screen

OFF

TYO

10:58

12H

2007

6-30

• For full information on city codes, see the “City Code Table”.

• See “Daylight Saving Time (DST)” for details about DST setting.

4. Press A to exit the setting screen.

• With the 12-hour format, the P (PM) indicator appears on the display for times in the range of noon to 11:59 p.m. and the A (AM) indicator appears for times in the range of midnight to 11:59 a.m.

• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without any indicator.

• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is applied in all modes.

• The day of the week is automatically displayed in accordance with the date (year, month, and day) settings.

Press .

Day of week

1. In the Timekeeping Mode, hold down A until the

2. Press C to move the flashing in the sequence shown

Month – Day

seconds start to flash, which indicates the setting screen.

below to select other settings.

DST

Month

To do this:

Reset the seconds to 00

Toggle between Daylight Saving Time (ON) and Standard Time (OFF)

Change the city code

Change the hour or minutes

Toggle between 12-hour (12H) and 24-hour (24H) timekeeping

Change the year

Change the month or day

YearDay

World Time ScreenMonth – Day ScreenDay of the Week Screen

World Time Mode time (Hour : Minutes)

Hour

12/24-Hour Format

Do this:

Press D.

Use

D (east) and B (west).

Use

D (+) and B (–).

Press D.

Use

D (+) and B (–).

Minutes

Alarm Mode

Daylight Saving Time (DST)

Daylight Saving Time (summer time) advances the time setting by one hour from Standard Time. Remember that not all countries or even local areas use Daylight Saving Time.

To toggle the Timekeeping Mode time between DST and Standard Time

DST indicator

Countdown

Timer Mode

1. In the Timekeeping Mode, hold down A until the

seconds start to flash, which indicates the setting screen.

2. Press C to display the DST setting screen.

3. Press D to toggle between Daylight Saving Time (

and Standard Time (

4. Press A to exit the setting screen.

• The DST indicator appears on the display to indicate that Daylight Saving Time is turned on.

Stopwatch

Mode

OFF).

Hand Setting

Mode

ON)

e-DATA MEMORY

You can use the watch’s e-DATA MEMORY to store e-mail addresses, Web page URLs, and other text data.

• All of the operations in this section are performed in the e-DATA MEMORY Mode, which you enter by pressing C.

e-DATA MEMORY Management

e-DATA MEMORY can hold up to 315 characters total, while each record can contain up to 63 characters. The maximum number of records depends on the number of

(Page number)

To create a new e-DATA MEMORY record

Remaining memory (%)

4. Press A to store your data and return to the e-DATA MEMORY record screen

(without the cursor).

• Pressing A causes the message

is stored. After that, the e-DATA MEMORY record screen appears.

• The text can show only three characters at a time, so longer text scrolls continuously from right to left. The last character is indicated by the symbol stop and restart scrolling.

• Records are stored in memory in the sequence they are created.

Tex t Record number

characters per record, as shown below.

• 63 characters per record: 5 records

• 7 or fewer characters per record: 40 records

1. In the e-DATA MEMORY Mode, press D and B at the

same time to display the remaining memory screen.

• If

% is shown for remaining memory, it means that memory is full. To store another record, you will first have to delete some of the records stored in memory.

2. Hold down A until the flashing cursor (

the display, which indicates the setting screen.

• The setting screen also shows the record number that is automatically assigned to the new record.

3. Input the text you want.

• When inputting the text, use D (+) and B (–) to cycle through characters at the current cursor location, and C to move the cursor to the right. See “Inputting Text”.

SET to appear for about two seconds as the data

) appears on

s after it. Press A to

Operation Guide 4781

To recall e-DATA MEMORY records

In the e-DATA MEMORY Mode, use D to cycle through e-DATA MEMORY records as shown below.

Record 1

()

Remaining Memory Screen

To edit an e-DATA MEMORY record

1. In the e-DATA MEMORY Mode, use D to display the record you want to edit.

2. Hold down A until the flashing cursor appears on the display.

3. Use C to move the flashing to the character you want to change.

4. Use D (+) and B (–) to change the character.

5. After making the changes you want, press A to store them and return to the

e-DATA MEMORY record screen.

To delete an e-DATA MEMORY record

1. In the e-DATA MEMORY Mode, use D to display the record you want to delete.

2. Hold down A until the flashing cursor appears on the display.

3. Press B and D at the same time to delete the record.

• The message record is deleted, the cursor appears on the display, ready for input.

4. Input data or press A to return to the remaining memory screen.

CLR appears to indicate that the record is being deleted. After the

Record 2

()

• The value on the remaining memory screen is the percentage of memory that is still available. It does not indicate the number of records that can be stored.

Remaining memory screen

World Time

Day of week

City code

Current time in the zone of the selected city code (Hour : Minutes)

To toggle a city code time between Standard Time and Daylight Saving Time

DST indicator

• Note that the DST/Standard Time setting affects only the currently displayed city code. Other city codes are not affected.

World Time shows the current time in 30 cities (27 time zones) around the world.

• All of the operations in this section are performed in the

World Time Mode, which you enter by pressing C.

To view the time in another city code

In the World Time Mode, press D to scroll through city codes (time zones).

• For full information about city codes, see the “City Code Table”.

• If the current time shown for a city is wrong, check your Timekeeping Mode time and Home City code settings and make the necessary changes.

1. In the World Time Mode, use D to display the city code

(time zone) whose Standard Time/Daylight Saving Time setting you want to change.

2. Hold down A for about one second to toggle Daylight

Saving Time (DST displayed) and Standard Time (DST not displayed).

• The DST indicator is on the display whenever you display a city code for which Daylight Saving Time is turned on.

City Temperature

Average high temperature

City code

Month

Average low temperature

To view city temperature data

1. In the City Temperature Mode, press D to scroll through city codes (time zones).

2. Press A to display the data for the following month.

• For full information about city code, see the “City Code Table”.

To specify the temperature unit

While in the City Temperature Mode, press B and D at the same time to toggle between Celsius (°C) and Fahrenheit (°F).

In the City Temperature Mode, the display shows the average high and low monthly temperatures in 30 cities around the globe.

Note

• Displayed temperatures are monthly averages. They do not ensure that the temperature on any particular date will fall within the indicated range.

• The average high temperature and low temperature values alternate on the display at two-second intervals.

• The screen that appears first is the one for the city and month that was on the display when you last exited the City Temperature Mode.

• All of the operations in this section are performed in the City Temperature Mode, which you enter by pressing C.

Alarm

Alarm time (Hour : Minutes)

To set an alarm time

• With the 12-hour format, set the time correctly as a.m. (A indicator) or p.m. (P indicator).

4. Press A to exit the setting screen.

Alarm Operation

The alarm tone sounds at the preset time for 20 seconds, regardless of the mode the watch is in.

• To stop the alarm tone after it starts to sound, press any button.

To test the alarm

In the Alarm Mode, hold down D to sound the alarm.

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

Hourly Time Signal on indicator

Alarm on indicator

When the daily alarm is turned on, the alarm tone sounds when the alarm time is reached. You can also turn on an Hourly Time Signal ( causes the watch to beep twice every hour on the hour.

• You can configure alarm settings and Hourly Time Signal settings in the Alarm Mode, which you enter by pressing C.

1. In the Alarm Mode, hold down A until the hour setting

of the alarm time starts to flash, which indicates the setting screen.

• This operation automatically turns on the alarm.

2. Press C to move the flashing between the hour and

minutes.

3. While a setting is flashing, use D (+) and B (–) to

change it.

In the Alarm Mode, press D to cycle through the on and off settings as shown below.

Alarm On Indicator/Hourly Time Signal On Indicator

Alarm Off Signal Off

• The alarm on indicator flashes while the alarm is sounding.

• The alarm on indicator and Hourly Time Signal on indicator are displayed in all modes.

Alarm On Signal Off

Alarm Off Signal On

:00

) that

Alarm On Signal On

Countdown Timer

Minutes

Hours Auto-repeat

on indicator

Seconds

To use the countdown timer

Press D while in the Countdown Timer Mode to start the countdown timer.

• When the end of the countdown is reached and auto-repeat is turned off, the alarm sounds for 10 seconds or until you stop it by pressing any button. The countdown time is automatically reset to its starting value after the alarm stops.

• When the end of the countdown is reached and auto-repeat is turned on, the alarm sounds, but the countdown starts again automatically whenever the countdown reaches zero.

• The countdown timer measurement operation continues even if you exit the Countdown Timer Mode.

• Press D while a countdown operation is in progress to pause it. Press D again to resume the countdown.

• To completely stop a countdown operation, first pause it (by pressing D), and then press A. This returns the countdown time to its starting value.

To set up the countdown timer

3. While a setting is flashing, use D and B to change it as described below.

Screen

0:00

OFF

• To specify a countdown start time of 24 hours, set

4. Press A to exit the setting screen.

• The auto-repeat on indicator appears on the display while this function is turned on.

• Frequent use of auto-repeat and the alarm can run down battery power.

You can set the countdown timer within a range of one minute to 24 hours. An alarm sounds when the countdown reaches zero.

• You can also select auto-repeat, which automatically restarts the countdown from the original value you set whenever zero is reached.

• All of the operations in this section are performed in the Countdown Timer Mode, which you enter by pressing C.

1. While the countdown start time is on the display in the

Countdown Timer Mode, hold down A until the hour setting of the countdown start time starts to flash, which indicates the setting screen.

• If the countdown start time is not displayed, use the procedure “To use the countdown timer” to display it.

2. Press C to move the flashing in the sequence shown

below to select other settings.

Hours

To do this:

Change the hours or minutes

Toggle auto-repeat on (ON) and off (OFF)

Minutes

0:00

Auto-repeat

Do this:

Use D (+) and B (–).

Press D.

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