Casio 3240 manual

MA1108-EA

Operation Guide 3239/3240

About This Manual

• The operational procedures for Modules 3239 and 3240 are identical. All of the illustrations in this manual show Module 3239.

• 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.

Module 3239 Module 3240 E-1

Contents

General Guide	......................................................................................................... E-4
Timekeeping ............................................................................................................	E-6
Alarm ........................................................................................................................	E-9
Stopwatch ..............................................................................................................	E-17
Dual Time ...............................................................................................................	E-19
Reference ..............................................................................................................	E-20
Specifications .......................................................................................................	E-22
E-2

Procedure Lookup

The following is a handy reference list of all the operational procedures contained in this manual.

To set the time and date .........................................................................................	E-6
To toggle between 12-hour and 24-hour timekeeping .........................................	E-8
To set an alarm time .............................................................................................	E-11
To select the alarm type .......................................................................................	E-14
To stop a Snooze Alarm Operation .....................................................................	E-15
To test the alarm ...................................................................................................	E-16
To turn the Hourly Time Signal on and off .........................................................	E-16
To measure times with the stopwatch ................................................................	E-18
To set the Dual Time .............................................................................................	E-19
	E-3

General Guide

•Press Cto change from mode to mode.

•In any mode, press Bto illuminate the display.

•In any mode, hold down C for about one second to return to the Timekeeping Mode.

•In the Alarm, Stopwatch and Dual Time modes, the watch always shows the current Timekeeping Mode time in the lower display area.

Timekeeping Mode Alarm Mode Stopwatch Mode Dual Time Mode

E-4 E-5

Timekeeping

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

PM indicator

Day of week

Year Month – Day Hour : Minutes Seconds

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

To set the time and date

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

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

Seconds Hour Minutes

Day Month Year

To change this setting	Perform this button operation
Seconds	Press Dto reset to 00.
Hour, Minutes, Year, Month, Day	Press Dto increase the setting.

•Pressing D 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 Ato 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 to 2099.

•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.

E-6

E-7

To toggle between 12-hour and 24-hour timekeeping

In the Timekeeping Mode, press Dto toggle between 12-hour timekeeping and

Alarm

24-hour timekeeping.

•With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for times in the range of noon to 11:59 p.m. and no indicator appears to the left of the hour digits 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 other modes.

Alarm time

(Hour : Minutes)

Alarm date

(Month – Day)

The multi-function alarm lets you specify the hour, minutes, month, and day for the alarm (page E-10). You can set up the alarm so it sounds once when the alarm time is reached, or for a snooze alarm that repeats up to seven times, every five minutes.

You can also turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour.

•Pressing D in the Alarm Mode toggles between the alarm screen (Alarm time displayed) and the Hourly Time Signal screen (:00 displayed).

•An alarm setting (and an Hourly Time Signal setting) is available in the Alarm Mode, which you enter by pressing C (page E-4).

E-8 E-9