Casio 2430 manual

USER’S GUIDE 2430

General Guide

•Press B to change from mode to mode.

•In any mode, press L to illuminate the display.

Timekeeping Mode

Countdown Timer Mode

Stopwatch Mode

Alarm Mode

Dual Time Mode

Press .

Timekeeping

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

•In the Timekeeping Mode, hold down C to display the current month, day, and day of the week. The current time will reappear when you release C.

AM/PM/24H	Hour : Minutes	Month – Day
indicator

Hold down .

Release .

Seconds	Graphic (seconds)
	Day of week

To set the time and date

1. In the Timekeeping Mode, hold down A until the seconds start to flash, which indicates the setting screen.

2. Press B to move the flashing in the sequence shown below to select other settings.

Seconds	Hour	Minutes		12/24-Hour
Seconds	Hour	Minutes

				Format
Day	Month		Year	Format
Day	Month		Year

3.When the setting you want to change is flashing, press C to change it as described below.

To change this setting	Perform this button operation
Seconds	Press C to reset to 00.
Hour, Minutes, Year, Month, Day	Press C to increase the setting.
12/24-Hour Format	Press C to toggle between 12-hour (AM or PM)
	and 24-hour (24H) timekeeping.

•Pressing C while the seconds are in the range of 30 to 59 resets them to 00 and adds 1 to the minutes. In the range of 00 to 29, the minutes are unchanged.

4.Press A to exit the setting screen.

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

•The year can be set in the range of 2000 (00) to 2039 (39).

•The watch’s built-in full automatic calendar automatically makes allowances for different month lengths and leap years. Once you set the date, there should be no reason to change it except after you have the watch’s battery replaced.

Countdown Timer

	Graphic (minutes)	You can set the countdown timer within a range of 1 to 60
	Graphic (minutes)	minutes. An alarm sounds and an alarm graphic flashes
		minutes. An alarm sounds and an alarm graphic flashes

Stopwatch

The stopwatch lets you measure elapsed time, split times, and two finishes.

Seconds		Minutes
Minutes	Mode indicator	Hours
		Split indicator

1/100 Second	Seconds
[Up to 60 minutes]	[After 60 minutes]

•The display range of the stopwatch is 23 hours, 59 minutes, 59 seconds. Time is measured in 1/100-second increments up to the first 60 minutes, and in 1-second increments after 60 minutes.

•The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it.

•The stopwatch measurement operation continues even if you exit the Stopwatch Mode.

•Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elasped time measurement.

•All of the operations in this section are performed in the Stopwatch Mode, which you enter by pressing B.

To measure times with the stopwatchElapsed Time

Start	Stop	Re-start	Stop	Clear
Split Time

Start	Split	Split release	Stop	Clear
	(Split indicator
	displayed)
Two Finishes

Start	Split	Stop	Split release	Clear
	First runner	Second runner	Display time of
	finishes.	finishes.	second runner.
	Display time of
	first runner.

Alarms

Mode indicator when the countdown reaches zero.

• The initial default countdown start time when you

purchase the watch or after you have its battery

replaced is 45 minutes.

• The countdown operation continues even if you exit the

Countdown Timer Mode.

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

Countdown Timer Mode, which you enter by pressing

Minutes Seconds

To use the countdown timer

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

•When the end of the countdown is reached, the alarm sounds and an alarm graphic flashes 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 C while a countdown operation is in progress to pause it. Press C again to resume the countdown.

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

Mode indicator

Hour : Minutes

Alarm number

To set an alarm time

You can set five independent Daily Alarms. When an alarm is turned on, the alarm tone sounds and an alarm graphic flashes when the time is reached.

When the Hourly Time Signal is turned on, the watch beeps every hour on the hour.

•Pressing C in the Alarm Mode cycles through the five alarm screens (which show the alarm time and alarm number) and the hourly time signal screen (which shows :00).

•The five alarms are identified by alarm numbers1 through 5.

•An alarm setting (and an Hourly Time Signal setting) is available in the Alarm Mode, which you enter by pressing B.

1.In the Alarm Mode, use C to select the alarm whose time you want to set.

Alarm 1			Alarm 2			Alarm 3

To set the countdown start time

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

2.Press C to increase the setting.

3.Press A to exit the setting screen.

Hourly			Alarm 5			Alarm 4
Time Signal

2. After you select an alarm, hold down A until the hour

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

•At this time, the alarm is turned on automatically.

3.Press B to move the flashing between the hour and minutes.

4.While a setting is flashing, press C to increase it.

•When setting the alarm time using the 12-hour format, take care to set the time correctly as a.m (AM) or p.m. (PM).

5.Press A to exit the setting screen.