G-Shock GA-150 - Manual

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