Casio 3109 manual

MA0801-EA

Operation Guide 3109

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.

•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 Cto change from mode to mode.

•Pressing Lin any mode illuminates the display.

Timekeeping Mode

Data Bank Mode

World Time Mode

Press .

•If you do not perform any operation for a few minutes while a setting screen (with flashing digits) is on the display, the watch exits the setting screen automatically.

•If you do not perform any operation for a few minutes in the Day Counter Mode or Data Bank Mode, the watch reverts to the normal timekeeping screen automatically.

Day Counter Mode	Alarm Mode	Stopwatch Mode	Countdown
			Timer Mode

Timekeeping

Data Bank

Day of week

Year		Month – Day





Hour			Minutes

PM indicator			Seconds

To set the time and date

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

•Pressing Ain the Timekeeping Mode will display the currently selected Home City.

•Press Dto toggle between 12-hour and 24-hour formats.

•With 12-hour format, times between midnight and noon are indicated by A (am), while times between noon and midnight are indicated by P (pm).

•The A and P indicators do not appear when you are using 24-hour format.

Mode indicator	Name area
	Alternate at
	the 1-second
	interval.
Remaining free records	Number area

The Data Bank Mode lets you store up to 25 records, each with a name (up to eight characters) and a phone number (up to 12 digits). Entering the Data Bank Mode displays a screen that shows the mode name (DB) and remaining memory capacity (number of records) for a few moments. After that, the record you were viewing the last time you exited the Data Bank Mode will appear. Anytime you input a new record, all records will be sorted automatically into alphabetic sequence on the name.*

* A to Z, 0 to 9, symbols (, or -)

1.While in the Timekeeping Mode, hold down Auntil the second’s digits flash on the display, which indicates the setting screen.

2.Press Cto move the flashing in the sequence shown below.

Seconds

DST

City code

Hour

Day

Month

Year

Minutes

3.While the seconds setting is selected (flashing), press D to reset it to 00. If you press D 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* setting is selected (DST on indicator is flashing), press Dto toggle it on (On) and off (OF).

•The DST on/off setting you select for the Timekeeping Mode affects the World Time Mode.

•While the city code setting is selected, use Dand Bto scroll through the available codes until the one you want to use as your home time city is displayed.

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

4.While any other setting is selected (flashing), press Dto increase it or press Bto decrease it. Holding down Dor B scrolls at high speed.

5.Press A to exit the setting screen.

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

•The date can be set within the range of January 1, 2000 to December 31, 2099.

•The watch’s built-in full automatic calendar makes allowances for different month lengths and leap years automatically. Once you set the date, there should be no

reason to change it except after replacement of the watch’s battery.

* See “Daylight Saving Time (DST) Setting” for details about the DST setting.

Backlight Precautions

The backlight uses an EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the dark.

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

•The electro-luminescent panel that provides illumination loses power after very long use.

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

•The watch may emit an audible sound whenever the display is illuminated. This is due to vibration of the EL panel used for illumination, and does not indicate malfunction.

•The backlight turns off automatically whenever an alarm sounds.

•Frequent use of the backlight shortens the battery life.

To input a new Data Bank record

1.In the Data Bank Mode, use D(+) and B(–) to scroll through the Data Bank records and display the one you want to input data.

2.Hold down A until a cursor appears on the name area.

3.Use Dand Bto scroll through characters at the current cursor position. Characters scroll in the sequence shown below.

Press .

(Space)A to Z0 to 9 . (Period) - (Hyphen)

Press .

• Holding down Dor Bscrolls at high speed.

4.When the character you want is at the current cursor position, press C to move the cursor to the right.

Press .

1st digit

8th digit

Name area

12th digit

1st digit

Number area

5.Repeat the steps 3 and 4 to input the rest of the characters.

•You can input up to eight characters for the name, though only three characters are visible at a time.

•If the name you input has fewer than eight characters, use C to move the cursor to the eighth space (which means you would press Cthree times after inputting a five-character name).

6.After you input the name, use Cto move the cursor to the number area.

•Pressing Cwhile the cursor is located at the eighth character of the name area advances to the number area. Pressing Cwhile the cursor is located at the 12th digit of the number area returns to the name area.

7.Use Dand Bto scroll through characters (hyphen, numbers, space) at the current cursor position on the number area. Characters scroll in the sequence shown below.

Press .