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Casio 5255 Operation Manual

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MO1111-EA
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.
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-9
To change the Daylight Saving Time (summer time) setting ............................ E-12
To specify a distance value .................................................................................. E-16
To specify lap time or split time readings .......................................................... E-18
To perform elapsed time measurement .............................................................. E-19
To set up the stopwatch to take lap time readings ............................................ E-20
To perform a lap time measurement ................................................................... E-21
To set up the stopwatch to take split time readings .......................................... E-22
To perform a split time measurement ................................................................. E-23
To measure times with the stopwatch ................................................................ E-24
E-4
General Guide
Press C to change from mode to mode.
In any mode (except a setting mode), press B to illuminate the display.
E-6

Timekeeping

You can adjust the Home Time city date and time in the Timekeeping Mode.
Pressing D in the Timekeeping Mode will toggle lower display between the screens
shown below.
Home City Date
Day of the week
Date
E-8
Operation Guide 5255
Timekeeping Mode
Home City Time
Day of the week
D
Seconds
PM indicator
Hour : Minutes
Seconds
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your
purchase, be sure to read this manual carefully.
About This Manual
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.
Contents
General Guide ......................................................................................................... E-6
Timekeeping ............................................................................................................ E-8
Stopwatch .............................................................................................................. E-14
Countdown Timer .................................................................................................. E-25
World Time ............................................................................................................. E-29
Alarms .................................................................................................................... E-33
Illumination ............................................................................................................ E-38
Hand Home Position Correction .......................................................................... E-42
Reference .............................................................................................................. E-44
Specifications ....................................................................................................... E-48
To use the countdown timer ................................................................................ E-26
To configure countdown start time and auto-repeat settings .......................... E-27
To view the current time in another time zone ................................................... E-30
To toggle a city code time between Standard Time and
Daylight Saving Time ...................................................................................... E-31
To swap your Home City and World Time City ................................................... E-32
To set an alarm time ............................................................................................. E-34
To turn an alarm on and off .................................................................................. E-36
To turn the Hourly Time Signal on and off .......................................................... E-37
To illuminate the display manually ...................................................................... E-38
To specify the illumination duration ................................................................... E-39
To turn the auto light switch on and off .............................................................. E-41
To adjust home positions ..................................................................................... E-42
Stopwatch Mode (page E-14)
C
Alarm Mode (page E-33)
C
To set the time and date
City code
PM indicator
Hour : Minutes
Seconds
Countdown Timer Mode (page E-25)
C
World Time Mode (page E-29)
C
1. In the Timekeeping Mode, hold down A for about three
seconds until the city code flashes on the upper display.
This is the setting mode.
2. Use D and B to select the city 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" at the back of this manual.
E-1
E-3
E-5
C
E-7
E-9

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Table of Contents
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  Summary of Contents for Casio 5255

  • Page 1: Timekeeping

    MO1111-EA Operation Guide 5255 Getting Acquainted Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to read this manual carefully. About This Manual 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.
  • Page 2: Stopwatch

    Operation Guide 5255 3. Press C to change the flashing screen content in the sequence shown below to Screen: To do this: Do this: select the other setting. Press D. Toggle between 12-hour ( ) and 24-hour ( ) timekeeping 12/24-Hour Press D.
  • Page 3: World Time

    Operation Guide 5255 Lap Time To perform a lap time measurement A lap time reading shows the time elapsed since the last Select lap time ( ) measurement and then perform the Speed (calculated) lap time reading was taken. following button operations.
  • Page 4: Illumination

    Operation Guide 5255 To view the current time in another time zone To toggle a city code time between Standard Time and Daylight Saving Time In the World Time Mode, use D to scroll through available city codes (time zones).
  • Page 5: Hand Home Position Correction

    Operation Guide 5255 Warning! About the Auto Light Switch Always make sure you are in a safe place whenever you are reading the Turning on the auto light switch causes illumination to turn on, whenever you position display of the watch using the auto light switch. Be especially careful when your wrist as described below in any mode.
  • Page 6: City Code Table

    Operation Guide 5255 City Code Table City Code Table City UTC Offset/ City UTC Offset/ City City Code Code GMT Differential GMT Differential City UTC Offset/ City UTC Offset/ City City Athens Bangkok Code Code GMT Differential GMT Differential Cairo...