CASIO DBE30-1A
Owner's Manual

USER�S GUIDE 2568
To test the alarm � In the Alarm Mode, hold down D to sound the alarm. To turn Alarms 2 through 5 and the Hourly Time Signal on and off 1. In the Alarm Mode, use D to select a one-time alarm (alarm number 2 through 5) or the Hourly Time Signal. 2. Press A to toggle it on and off. � The on/off status of Alarms 2 through 5 and the Hourly Time Signal is shown by indicators along the bottom of the displays. � The alarm on indicators and Hourly Time Signal on indicator are displayed in all modes. Alarm on � While an alarm is sounding, the applicable alarm on indicator indicator flashes on the display.
Hourly time signal on indicator

To delete a Day Counter record 1. In the Day Counter Mode, scroll through the records and display the one 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 CLR appears to indicate that the record is being deleted. After the record is deleted, the cursor appears on the display and Timekeeping Mode current date is set as the target date, ready for input. 4. Input data or press A to exit the setting screen.

Stopwatch
The stopwatch lets you measure elapsed time, split times,
Timekeeping Mode time 1/100 second and two finishes.

To select the operation of Alarm1 1 1. In the Alarm Mode, use D to select Alarm1. 2. Press A to cycle through the available settings in the sequence shown below.
Snooze on indicator and Alarm1 on indicator 1
Press A.

� The display range of the stopwatch is 23 hours, 59 minutes, 59.99 seconds. � The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it. � The stopwatch measurement operation continues even

Hours

One-time alarm on Snooze alarm on

Alarm off

if you exit the Stopwatch Mode. � Exiting the Stopwatch Mode while a split time is frozen Minutes on the display clears the split time and returns to Seconds elapsed time measurement. � All of the operations in this section are performed in the Stopwatch Mode, which you enter by pressing C.

� The snooze on indicator and Alarm1 on indicator are displayed in all modes. � The snooze on indicator flashes during the 5-minute intervals between alarms. � The alarm indicator (Alarm1 on and/or snooze on) flashes while the alarm is sounding.

To measure times with the stopwatch Elapsed Time
D
Start �

D
Stop

�

D
Re-start

�D Stop

�A Clear

Day Counter
Timekeeping Mode time Text area

Split Time The Day Counter lets you count the number of days from the Timekeeping Mode�s current date to a specific target date. � There are five Day Counter records, each of which can be set with its own text and target date (year, month, day). � When the target date falls before the current date (as kept in the Timekeeping Mode), the number of days is Year displayed as a negative value. � Whenever the date specified by any one of the Day Counters matches the date of the Timekeeping Mode (regardless of the Day Counter�s year setting), the DAYS indicator flashes on the Timekeeping Mode and Day Counter Mode. D
Start �A Split
(SPL displayed)

�A Split release

�D Stop

�A Clear

Two Finishes D
�A Split
First runner finishes. Display time of first runner.

�D Stop
Second runner finishes.

�A Split release
Display time of second runner.

�A Clear

Target date
(Alternate at the 1-second interval)

Month � Day

Countdown Timer
Timekeeping Mode time

Number of days DAYS indicator

� The initial default target date when you purchase the watch, after you have its battery replaced, or when battery power drops to Level 5 is January 1, 2001. � The characters you can input for the text depend on the language you select in the Timekeeping Mode. See �To set the time and date� for more information. Changing the language setting does not affect texts that are already stored. � All of the operations in this section are performed in the Day Counter Mode, which you enter by pressing C.

The countdown timer can be set within a range of 1 minute to 24 hours. An alarm sounds when the countdown reaches zero. � Countdown timer functions are available in the Countdown Timer Mode, which you enter by pressing C.

Hours

Minutes

To set the countdown start time 1. In the Countdown Timer Mode, hold down A until the Seconds hour setting of the countdown start time starts to flash, which indicates the setting screen.

To create a new Day Counter record 1. In the Day Counter Mode, use D to scroll through the Day Counter records until the one you want is on the display. 2. Hold down A until the flashing cursor appears in the text area of the display, which indicates the setting screen. 3. Press C to move the flashing in the sequence shown below.
Text area Character 1 Character 2 Target date Day Month Year Character 8

2. Press C to move the flashing between the hour and minute settings. 3. While a setting is flashing, use D (+) and B (�) to change it. � To set the starting value of the countdown time to 24 hours, set 0:00. 4. Press A to exit the setting screen.

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

4. While the cursor is in the text area, use B and D to cycle through characters at the cursor position. The characters cycle in the sequence shown below. Press D. Press B. � The above character sequence is for English input. See �Character List� for the character sequences of other languages. 5. When the character you want is at the cursor position, press C to move the cursor to the right. 6. Repeat steps 4 and 5 until the name is complete. � You can input up to eight characters for the text. 7. After you input the text, press C as many times as necessary to move the cursor to the target date. � When the cursor is located at the eighth space of the text area, moving the cursor to the right causes it to jump to the year setting. When the cursor is at the day setting, moving it to the right (by pressing C) causes it to jump to the first character in the text. 8. While the year, month, or day setting is flashing, use D (+) and B (�) to change the setting. � You can set a target date in the range of January 1, 1940 to December 31, 2039. 9. After everything is the way you want, press A to exit the setting screen. � 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 Note � Use the above procedure to edit Day Counter records, too. after it.
(space)

Backlight
The backlight uses an EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the dark. The watch�s auto light switch automatically turns on the backlight when you angle the watch towards your face in the dark. � The auto light switch must be turned on (indicated by Auto light switch � the auto light switch on indicator) for it to operate. See �Backlight Precautions� for other important
on indicator

A to Z
(alphabet)

@ to (symbol)

0 to 9
(number)

information about using the backlight.

To turn on the backlight manually In any mode, press B to illuminate the display for about one second. � The above operation turns on the backlight regardless of the current auto light switch setting.

About the Auto Light Switch

Turning on the auto light switch causes the backlight to turn on for about one second, whenever you position your wrist as described below in any mode. Note that this watch features a �Full Auto EL Light,� so the auto light switch operates only when available light is below a certain level. It does not turn on the backlight under bright light. Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes the backlight to turn on.
Parallel to ground More than 40°

To recall Day Counter records In the Day Counter Mode, use D to scroll through the Day Counter records.

3