Casio 2453 - User Manual

USER’S GUIDE 2453/2642
1
MA0212-A
About This Manual
• The operational procedures for Modules 2453 and 2642
are identical. All of the illustrations in this manual show
Module 2453.
• Button operations are indicated using the letters shown
in the illustration.
• These watches are equipped with two color LCD panels.
For the sake of simplicity, the screen shots in this
manual are shown using only one color.
• 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 2453
Module 2642
General Guide
• Press C to change from mode to mode.
• In any mode, press L to illuminate the display.
Timekeeping Mode Telememo Mode Alarm Mode Stopwatch Mode Countdown Timer Mode Dual Time Mode
Press .
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date. You also use the Timekeeping Mode to
select the display color pattern.
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 C to move the flashing in the sequence shown
below to select other settings.
Hour Minutes
Seconds
DST
Month YearDay
Color Pattern
Day of week
Month – Day
PM indicator
Hour : Minutes Seconds
3. When the setting you want to change is flashing, use D and B to change it as
described below.
• 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.
• See “Daylight Saving Time (DST)” for details on DST setting.
• See “Color Pattern Setting” for details about the color pattern setting.
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 to 2039.
• The watch’s built-in full automatic calendar 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.
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping (indicated
by A or P on the display), or 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 the A (AM) 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 modes.
To change this setting
Seconds
DST
Hour, Minutes, Year,
Month, Day
Color Pattern
Perform this button operation
Press D to reset to
00
.
Press D to toggle between Daylight Saving Time ( ) and
standard time ( ).
Use D (+) and B (–) to change the setting.
Use D and B to change the color pattern setting.
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the 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 time between DST and Standard Time
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C once to display the DST setting screen, which
is indicated by a flashing
(DST on) or (DST
off) indicator.
3. Press D to toggle between Daylight Saving Time (
displayed) and standard time ( displayed).
4. Press A to exit the setting screen.
• The DST indicator appears on the display to indicate
that daylight saving time is turned on.
Color Pattern Setting
This watch is equipped with two color LCD panels, which provide a choice of
12 different color patterns from which you can choose.
To change the color pattern setting
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Use C to cycle through the available setting screens
until the color pattern setting screen (indicated by the
flashing
indicator) is on the display.
3. Use B and D to select the color pattern you want.
4. Press A to exit the setting screen.

Summary

About This Manual and General Guide

General Guide to Watch Operations

Describes button operations and modes for Modules 2453 and 2642.

Timekeeping Mode Settings

Setting the Current Time and Date

Instructions for setting the watch's time, date, and day of the week.

Adjusting Daylight Saving Time (DST)

Explains how to enable or disable Daylight Saving Time.

Selecting Display Color Patterns

Guides users on how to choose from 12 different color patterns.

Switching Between 12-Hour and 24-Hour Formats

Details on how to toggle the timekeeping format.

Telememo Mode Operations

Creating and Storing Telememo Records

Step-by-step guide to inputting names and telephone numbers.

Recalling and Editing Telememo Records

Instructions for retrieving, modifying, and deleting stored data.

Alarm and Hourly Time Signal Functions

Setting Alarm and Signal Times

How to set five daily alarms and the hourly time signal.

Controlling Alarm and Signal Activation

Enabling/disabling normal alarms, snooze alarm, and hourly signal.

Understanding Alarm Operation and Testing

Details on pre-alarm features, alarm sounding, and testing.

Stopwatch Mode Operations

Measuring Elapsed and Split Times

How to use the stopwatch for elapsed, split, and two-finish measurements.

Countdown Timer Mode Operations

Using the Countdown Timer

Instructions for starting, pausing, resuming, and stopping the timer.

Setting the Countdown Start Time

Guides on configuring the timer's initial duration.

Dual Time Mode Operations

Setting and Using Dual Time

How to set and display time in a different time zone.

Watch Reference and Features

Auto Display Feature Control

How to enable or disable the automatic cycling of color patterns.

Auto Return and Scrolling Features

Explains automatic mode returns and data scrolling.

Backlight Illumination Usage

Information on using the EL backlight and its precautions.

Character List Reference

A list of characters available for input in various modes.

Casio 2453 Specifications

General

Brand	Casio
Model	2453
Category	Watch
Language	English