Casio 3319, 3781 manual

MA0503-EA

Operation Guide 3319/3781

About This Manual

	• The operational procedures for Modules 3319 and 3781
	are identical. All of the illustrations in this manual show
	Module 3319.
	• Button operations are indicated using the letters shown
	in the illustration.
	• All of the displays in this manual show black-on-white.
	• For the sake of simplicity, the sample displays in this
Module 3319	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.

Module 3781

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 World Time Mode Countdown Timer Mode Stopwatch Mode Alarm Mode Hand Setting Mode

Press .

Timekeeping

This watch features separate digital and analog timekeeping. The procedures for setting the digital time and analog time are different.

•In the Timekeeping Mode, you can press D to change the display format as shown below.

[Module 3319]
Day of the Week		Month – Day
PM indicator	Day of week	Month – Day
		Press .
Hour	Minutes
	Seconds
[Module 3781]
Day of the Week		Month – Day
Hour Minutes
PM indicator
		Press .
Day of week	Seconds	Month – Day

Digital Time and Date

Use the Timekeeping Mode to set and view a digital display of the current time and date. When setting the digital time, you can also configure settings for summer time (Daylight Saving Time or DST), your Home City code (the code for the city where you normally use the watch), the 12/24-hour format, and the illumination duration.

•This watch is preset with a number of city codes, each of which represents the time zone where that city is located. When setting the digital time, it is important that you select the correct city code for your Home City. If your location is not included in the preset city codes, select the preset city code that is in the same time zone as your location.

•Note that all of the times for the World Time Mode city codes are displayed in accordance with the digital time and date settings you configure in the Timekeeping Mode.

•After you correctly set your Home City time and date, you can set the watch up for timekeeping with a different city code simply by changing the Home City code in the Timekeeping Mode.

To set the digital time and date

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

2. Press C twice to move the flashing to the Home City code setting (see the illustration below), and then use B and D to select the code you want.

• Make sure you select your Home City code before changing any other setting.

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

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

Seconds DST Home City Code Hour Minutes

Illumination Duration Day Month Year 12/24-Hour Format

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

Screen	To do this:	Do this:
	Reset the seconds to 00	Press D.
	Toggle between Daylight Saving Time (ON) and	Press D.
	Standard Time (OF)
	Change the Home City code	Use D (east) and B (west).
*1	Change the hour or minutes	Use D (+) and B (–).
	Toggle between 12-hour (12H) and 24-hour	Press D.
	(24H) timekeeping
	Change the year	Use D (+) and B (–).
	Change the month or day
	Select three seconds or one second as the	Press D.
	illumination duration

*1 Some models display the time as . 5. Press A to exit the setting screen.

•Resetting the seconds only (without changing the DST, Home City code, hour, or minute setting) causes the analog minute hand setting to be adjusted automatically.

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

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

•For details about illumination duration, see “Display Illumination”.

Digital Time Daylight Saving Time (DST) Setting

Daylight Saving Time (summer time) advances the digital 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 digital time between DST and Standard Time

	1. In the Timekeeping Mode, hold down Auntil the seconds
	start to flash, which indicates the setting screen.
	2. Press C once to display the DST setting screen.
	3. Press D to toggle between Daylight Saving Time (ON
	displayed) and Standard Time (OF displayed).
	4. Press A to exit the setting screen.
	• The DST indicator appears on the Timekeeping, Alarm,
Module 3319	and Hand Setting Mode to indicate that Daylight Saving
	Time is turned on.
Module 3781

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