Casio 3420 Operation Manual

MA1306-EA
About This Manual
E
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-7
To toggle the Timekeeping Mode time between DST and Standard Time ......... E-9
To toggle between 12-hour and 24-hour timekeeping ....................................... E-10
To view the time for another city code ................................................................ E-11
To toggle a city code time
between Standard Time and Daylight Saving Time ........................................ E-12
To measure times with the stopwatch ................................................................. E-14
To use Auto-Start .................................................................................................. E-15
To confi gure the countdown timer ...................................................................... E-19
To use the countdown timer ................................................................................. E-21
To set an alarm time .............................................................................................. E-24
To test the alarm .................................................................................................... E-26
E-2
General Guide
Press C to change from mode to mode.
In any mode (except when a setting screen is on the display), press L to illuminate
the display.
Timekeeping Mode
E-4

Timekeeping

Month – Day
PM indicator
Day of week
Hour : Minutes
Seconds
E-6
3. When the setting you want to change is fl ashing, use D and B to change it as
described below.
Screen To do this:
Reset the seconds to
Toggle between Daylight Saving Time
( ) and Standard Time (
Specify your Home Time zone
Change the hour or minutes
Change the year
Change the month or day
For details about time zones, see the "City Code Table" at the back of this
manual.
See "Daylight Saving Time (DST)" on page E-9 for details about the DST setting.
For information about Flash Alert, see "Flash Alert" (page E-35).
E-8
Operation Guide 3420
Depending on the model of your watch, display text
appears either as dark fi gures on a light background or
light fi gures on a dark background. All sample displays
in this manual are shown using dark fi gures on a light
background.
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.
World Time Mode
C
Use the Timekeeping Mode to set and view the current
time and date.
Read This Before You Set the Time and Date !
The times displayed in the Timekeeping Mode and World
Time Mode are linked. Because of this, make sure you
select a Home Time zone before you set the time and date.
Do this:
Press D.
Press D.
)
Use D (eastward) and B (westward).
Use D (+) and B (–).
Contents
General Guide .......................................................................................................... E-4
Timekeeping ............................................................................................................. E-6
World Time ............................................................................................................. E-11
Stopwatch .............................................................................................................. E-13
Countdown Timer .................................................................................................. E-16
Alarms .................................................................................................................... E-22
Illumination ............................................................................................................ E-29
Reference ............................................................................................................... E-33
Specifi cations ........................................................................................................ E-42
To turn an alarm on and off .................................................................................. E-27
To turn the Hourly Time Signal on and off .......................................................... E-28
To illuminate the display manually ...................................................................... E-29
To specify the illumination duration .................................................................... E-30
To enable and disable auto light switch operation ............................................ E-32
To turn Flash Alert on and off .............................................................................. E-35
To turn the button operation tone on and off ..................................................... E-36
Stopwatch Mode
C
To set the time and date
Home time zone
C
Seconds
C
Flash Alert
C
4. Press A to exit the setting screen.
The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
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
DST indicator
Countdown Timer Mode
C C
C
1. In the Timekeeping Mode, hold down A until the
seconds start to fl ash, which indicates the setting
screen.
2. Press C to move the fl ashing in the sequence shown
below to select other settings.
C
DST Home Time Zone
Day Month Year
C C
1. In the Timekeeping Mode, hold down A until the
seconds start to fl ash, which indicates the setting
screen.
2. Press C to display the DST setting screen.
3. Press D to toggle between Daylight Saving Time
( displayed) and Standard Time (
4. Press A to exit the setting screen.
The DST indicator appears on the display to indicate that
Daylight Saving Time is turned on.
E-1
E-3
Alarm Mode
E-5
C
Hour
C
Minutes
C
E-7
displayed).
E-9