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Casio 5257

Casio 5257
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Operation Guide 5257
E-9
Hour :
Minutes
Day of week Month – Day PM indicator Seconds
Day of the Week Month – Day Hour : Minutes
E-8
Timekeeping
This watch features separate digital and analog timekeeping. The procedures for
setting the digital time (page E-11) and analog time (page E-15) are different.
In the Timekeeping Mode, you can press D to change the display format as shown
below.
E-7
Stopwatch Mode Alarm Mode Hand Setting Mode
E-6
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
E-5
To test the alarm ................................................................................................... E-29
To turn an alarm on and off ................................................................................. E-30
To turn the Hourly Time Signal on and off ......................................................... E-31
To turn on illumination ......................................................................................... E-32
To specify the illumination duration ................................................................... E-33
E-4
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the digital time and date ........................................................................... E-11
To toggle the Timekeeping Mode digital time
between DST and Standard Time .................................................................... E-14
To adjust the analog time ..................................................................................... E-15
To view the time in another city .......................................................................... E-17
To toggle a city code time
between Standard Time and Daylight Saving Time ....................................... E-18
To configure the countdown timer ...................................................................... E-22
To use the countdown timer ................................................................................ E-24
To measure times with the stopwatch ................................................................ E-26
To set an alarm time ............................................................................................. E-28
E-3
Contents
General Guide ......................................................................................................... E-6
Timekeeping ............................................................................................................ E-8
World Time ............................................................................................................ E-17
Countdown Timer ................................................................................................. E-19
Stopwatch .............................................................................................................. E-25
Alarms .................................................................................................................... E-27
Illumination ............................................................................................................ E-32
Reference .............................................................................................................. E-34
Specifications ....................................................................................................... E-38
E-2
Depending on the model of your watch, display text
appears either as dark figures on a light background or
light figures on a dark background.
All sample displays in this manual are shown using dark
figures on a light background.
For indicators, “On” is indicated by a dark indicator on
the positive (dark-on-light) display, and by a light
indicator on the negative (light-on-dark) display.
[Positive]
[Negative]
E-1
About This Manual
Button operations are indicated using the letters shown
in the illustration.
For the sake of simplicity, the sample displays in this
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.
MA1110-EA
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Casio 5257 Specifications

General IconGeneral
BrandCasio
Model5257
CategoryWatch
LanguageEnglish

Summary

About This Manual

General Guide

Timekeeping

Digital Time and Date

To set the digital time and date

Procedure to set the current time, date, Home City, DST, 12/24-hour format, and illumination duration.

Digital Time Daylight Saving Time (DST) Setting

Explanation of how Daylight Saving Time (DST) advances the digital time setting by one hour.

To toggle the Timekeeping Mode digital time between DST and Standard Time

Steps to switch between Daylight Saving Time (DST) and Standard Time in the Timekeeping Mode.

Setting the Analog Time

To adjust the analog time

Instructions to synchronize the analog time hands with the digital time display.

World Time

To view the time in another city

How to scroll through city codes to view the current time in different cities worldwide.

To toggle a city code time between Standard Time and Daylight Saving Time

Method to switch between DST and Standard Time for individual city codes in World Time Mode.

Countdown Timer

Configuring the Countdown Timer

Steps to set the countdown start time, auto-repeat, and progress beeper settings.

To use the countdown timer

Instructions on how to start, pause, resume, and stop the countdown timer operation.

Stopwatch

To measure times with the stopwatch

Procedures for measuring elapsed time, split times, and two finishes using the stopwatch.

Alarms

To set an alarm time

Steps to select an alarm and set its hour and minute, automatically turning it on.

To test the alarm

How to test the alarm sound by holding down a button in the Alarm Mode.

To turn an alarm on and off

Instructions to toggle individual alarms or the Hourly Time Signal on and off.

Illumination

To turn on illumination

How to activate the display illumination by pressing a button.

To specify the illumination duration

Procedure to select the illumination duration between one or three seconds.

Reference

Graphic Area

Explanation of the information displayed in the graphic area for each mode.

Auto Return Feature

Description of the watch automatically exiting setting screens after inactivity.

Scrolling

How to use buttons to scroll through data and the effect of holding buttons.

Initial Screens

Information on what data is displayed when entering World Time or Alarm Mode.

Timekeeping Details

World Time Details

Illumination Precautions

Specifications

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