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Operation Guide 5255
MO1111-EA
E-1
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.
E-2
• 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-3
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
E-4
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-5
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
E-6
General Guide
• Press C to change from mode to mode.
• In any mode (except a setting mode), press B to illuminate the display.
Timekeeping Mode
C
▲
C
E-7
Alarm Mode (page E-33)
Countdown Timer Mode (page E-25)
World Time Mode (page E-29)
Stopwatch Mode (page E-14)
▲
▲
▲
▲
C
C
C
E-8
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.
D
Home City Date Home City Time
▲
▲
Date Seconds
Day of the week
Hour : Minutes
Seconds
PM indicator
Day of the week
E-9
To set the time and date
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.
City code
Hour : Minutes
Seconds
PM indicator