MA1603-EA
© 2016 CASIO COMPUTER CO., LTD.
Operation Guide 5472
About This Manual
x 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.
x Button operations are indicated using the letters shown in
the illustration.
x 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.
x To ensure that this watch provides you with the years of
service for which it is designed, carefully read and follow
the instructions under “Operating Precautions” and “User
Maintenance”.
x Be sure to keep all user documentation handy for future
reference.
E
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To toggle the Timekeeping Mode time between DST and Standard Time .......E-11
To turn on illumination .......................................................................................... E-12
To view the time for another city code ................................................................ E-13
To toggle a city code time
between Standard Time and Daylight Saving Time ........................................ E-14
To set an alarm time .............................................................................................. E-16
To test the alarm .................................................................................................... E-18
To turn an alarm on and off .................................................................................. E-19
To turn the hourly time signal on and off ............................................................ E-20
To confi gure the countdown timer ......................................................................E-22
To use the countdown timer ................................................................................. E-23
E-2
General Guide
x Press C to change from mode to mode.
x In any mode (except when a setting screen is on the display), press B to illuminate
the display.
Timekeeping Mode
World Time Mode
Alarm Mode
Contents
General Guide .......................................................................................................... E-4
Timekeeping ............................................................................................................. E-6
World Time ............................................................................................................. E-13
Alarms .................................................................................................................... E-15
Countdown Timer .................................................................................................. E-21
Stopwatch .............................................................................................................. E-24
Adjusting Hand Positions ..................................................................................... E-26
Reference ............................................................................................................... E-28
Specifi cations ........................................................................................................ E-34
Operating Precautions .......................................................................................... E-36
User Maintenance .................................................................................................. E-46
To measure times with the stopwatch ................................................................. E-25
To turn the button operation tone on and off .....................................................E-30
Countdown Timer
Mode
Stopwatch Mode Hand Setting Mode
E-1
E-3
CC
E-4
Timekeeping
*2
Digital dial
Hour hand
PM indicator
Day of week
This mode shows the current time and date in the selected Home City.
x Pressing D switches to World Time (page E-13) information. About two seconds after
you press D, the display will return to Home City information.
E-6
Changing the Current Home City Time and Date Settings
CC
Seconds
C
Illumination Duration (page E-12)
1. 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.
DST (page E-10)
C
Month
E-8
C
*2
Map
Minute hand
Hour : Minutes Seconds
*1
Month – Day
C
City Code
Hour
Minutes
C
C
C
12/24-Hour Format
(page E-11)
YearDay
C
C
CC
C
E-5
x Hold down D for about two seconds to swap the Home City and World Time City.
Example
Home City: TYO
World Time City: NYC
Home City: NYC
World Time City: TYO
D
*1 Pressing A switches to the city code of the currently selected Home City. About
two seconds after you press A, the day of the week reappears.
*2 The digital dial and map show World Time (page E-13) information. For details, see
“Map and Digital Dial” (page E-29).
E-7
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: Do this:
Reset the seconds to .
Toggle between Daylight Saving Time
( ) and Standard Time ( ).
Change the city code. *
Change the hour or minutes.
Toggle between 12-hour ( ) and 24hour (
) timekeeping.
Change the year.
Change the month or day.
Toggle the setting between
1.5 seconds ( ) and 3 seconds ( ).
Press D.
Press D.
Use D (east) and B (west).
Use D (+) and B (–).
Press D.
Use D (+) and B (–).
Use D (+) and B (–).
Press D.
E-9
Operation Guide 5472
* For full information about city codes, see the “City Code Table” at the back of this
manual.
4. Press A to exit the setting screen.
x The hour hand, minute hand, and day of the week change in accordance your
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.
E-10
x The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
Illumination
An LED (light-emitting diode) illuminate the display for easy reading in the dark.
Illumination Precautions
x The illumination provided by the light may be hard to see when viewed under direct
sunlight.
x Illumination automatically turns off whenever an alarm sounds.
x Frequent use of illumination runs down the battery.
To turn on illumination
In any mode (except when a setting screen is on the display), press B to turn on
illumination.
x You can use the procedure above to select either 1.5 seconds or 3 seconds as the
illumination duration. When you press B, the illumination will remain on for about
1.5 seconds or 3 seconds, depending on the current illumination duration setting.
E-12
To toggle a city code time between Standard Time and Daylight Saving Time
DST indicator
1. In the World Time Mode, use D (east) to display the city
code (time zone) whose Standard Time/Daylight Saving
Time setting you want to change.
2. Hold down A for about two seconds to toggle Daylight
Saving Time (DST displayed) and Standard Time (DST
not displayed).
x The DST indicator is on the display whenever you display
a city code for which Daylight Saving Time is turned on.
x Note that the DST/Standard Time setting affects only
the currently displayed city code. Other city codes are
not affected.
x Note that you cannot switch between Standard Time
and Daylight Saving Time while UTC is selected as the
city code.
To toggle the Timekeeping Mode time between DST and Standard Time
DST indicator
12/24-Hour Format
x With the 12-hour format, the PM (P) indicator appears for times in the range of noon
to 11:59 p.m. and no indicator appears for times in the range of midnight to 11:59
a.m.
x With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
1. 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.
x The DST indicator appears on the Timekeeping screen to
indicate that Daylight Saving Time is turned on.
displayed).
World Time
Current World Time
information
City code
World Time shows the current time in 48 cities (31 time
zones) around the world.
x All of the operations in this section are performed in
the World Time Mode, which you enter by pressing C
(page E-4).
To view the time for another city code
In the World Time Mode, press D to scroll eastwardly
through city codes.
x For full information about city codes, see the “City Code
Table” at the back of this manual.
x If the current time for a city is wrong, check your
Timekeeping Mode time and time zone settings and
make the necessary changes.
Alarms
Alarm on indicator
Alarm number
Alarm time
(Hour : Minutes)
Your watch has a total of fi ve alarms, each of which you
can confi gure as a daily alarm or one-time alarm.
x Daily Alarm: Sounds at the preset time each day.
x One-time Alarm: Sounds once at the preset time and then
is disabled automatically.
You can also turn on an hourly time signal that causes the
watch to beep twice every hour on the hour.
x All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C (page E-4).
x Alarms operate in coordination with the current Home
City Time.
E-11
E-13
E-14
To set an alarm time
2. After you select an alarm, hold down A until the hour setting of the alarm time
starts to fl ash, which indicates the setting screen.
x This operation turns on the One-time Alarm automatically.
E-16
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in.
x Alarm and hourly time signal operations are performed in accordance with the
Timekeeping Mode time.
x To stop the alarm tone after it starts to sound, press any button.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
E-18
1. In the Alarm Mode, use D to scroll through the alarm
screens until the alarm number you want to set is
displayed.
DD
DD
DD
3.
Press C to move the fl ashing in the sequence shown below to select other settings.
CC
One-time Alarm/Daily Alarm Selection
4. While a setting is fl ashing, use D and B to change it as described below.
Screen To do this: Do this:
Change the hour
and minutes.
Toggle between
One-time Alarm
/
and Daily Alarm.
5. Press A to exit the setting screen.
To turn an alarm on and off
1. In the Alarm Mode, use D to select an alarm.
2. Press A to cycle through the alarm settings as shown below.
AA
Alarm Off One-Time Alarm OnDaily Alarm On
x In all modes, the alarm on indicator is shown for the alarm that is currently turned
on.
x The alarm on indicator fl ashes while the alarm is sounding.
C
Hour
Use D (+) and B (–).
x With the 12-hour format, set the time correctly as
Press D.
One-time Alarm on:
Daily Alarm on:
Minutes
a.m. or p.m. (PM (P) indicator).
E-15
E-17
A
E-19
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