Casio Watch MA0409 EA User Manual

MA0409-EA  
Operation Guide 2877  
About This Manual  
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.  
General Guide  
Press D to change from mode to mode.  
Timekeeping Mode  
Stopwatch Mode  
Recall Mode  
Countdown Timer Mode  
World Time Mode  
Alarm Mode  
Press  
.
Daylight Saving Time (DST)  
Timekeeping  
Daylight Saving Time (summer time) advances the digital time setting by one hour  
from Standard Time. Remember that not all countries or even local areas use Daylight  
Saving Time.  
Note that you cannot switch between Standard Time and Daylight Saving Time while  
GMT (Greenwich Mean Time) is selected as your Home City code.  
Use the Timekeeping Mode to set and view the current  
time and date.  
PM indicator  
Day of week  
Seconds  
Read This Before You Set the Time and Date !  
This watch is preset with a number of city codes, each of  
which represents the time zone where that city is located.  
When setting the time, it is important that you select the  
correct city code for your Home City (the city where you  
normally use the watch). If your location is not included in  
the preset city codes, select the preset city code that is in  
the same time zone as your location.  
To toggle the Timekeeping Mode time between DST and Standard Time  
1. In the Timekeeping Mode, hold down B until the  
seconds start to flash, which indicates the setting  
screen.  
2. Press D once to display the DST setting screen.  
3. Press C to toggle between Daylight Saving Time (ON  
displayed) and Standard Time (OFF displayed).  
4. Press B to exit the setting screen.  
The DST indicator appears on the display to indicate  
that Daylight Saving Time is turned on.  
Note that all of the times for the World Time Mode city  
codes are displayed in accordance with the time and  
date settings you configure in the Timekeeping Mode.  
Hour : Minutes  
Year Month – Day  
After you correctly set your Home City time and date, you can set the watch up for  
timekeeping with a different city code simply by changing the Home City code in the  
Timekeeping Mode.  
Stopwatch  
To set the time and date  
The 1/100-second stopwatch measures elapsed time, as well as lap/split times. You  
can also store run data in memory.  
All of the operations in this section are performed in the Stopwatch Mode, which you  
enter by pressing D.  
1. In the Timekeeping Mode, hold down B until the  
City code  
seconds start to flash, which indicates the setting  
screen.  
2. Press D twice to move the flashing to the Home City  
code setting (see the illustration below), and then use  
C and A to select the code you want.  
Make sure you select your Home City code before  
changing any other setting.  
Run number  
Lap/Split number  
For full information on city codes, see the City Code  
Table.  
Lap/Split  
indicator  
Lap time (hours,  
minutes, seconds,  
1/100 second)  
3. Press D to move the flashing in the sequence shown  
below to select the other settings.  
Split time  
Seconds  
Day  
DST  
City Code  
Year  
Hour  
Minutes  
All Zero Clear  
Important!  
A runis the total elapsed time and all the lap/split times you recorded from the  
point you start the stopwatch until you stop it. The watch stores each run as a  
separate memory record.  
The run number that appears on the display whenever you clear the stopwatch to all  
zeros indicates the number of the next run record that will be created when you  
perform a stopwatch operation. The watch automatically increases the run number  
by one each time you store run data.  
Lap timeis the time spent to cover a specific segment of a race, such as one lap  
around a track. Split timeis the time spent from the beginning of a race up to a  
certain point.  
Timing in Progress  
Month  
12/24-Hour format  
4. When the setting you want to change is flashing, use C and A to change it as  
described below.  
Screen  
To do this:  
Do this:  
00  
10:5850  
Reset the seconds to  
Press C.  
P
Toggle between Daylight Saving Time (ON) Press C.  
and Standard Time (OFF)  
OFF  
Pressing B in the Stopwatch Mode switches the positions of the lap time and split  
time between the middle display area and the lower display area. Arrows appear  
next to the LAP and SPLIT indicators to show which time is in the middle (up arrow)  
and which time is in the lower (down arrow) display area.  
The hour of the time currently in the middle display area is indicated to the left of the  
lap/split number in the upper display area.  
P
Change the city code  
Use C (east) and A (west).  
TYO  
10:5850  
P
Change the hour or minutes  
Use C (+) and A ().  
Press C.  
Toggle between 12-hour (12H) and  
24-hour (24H) timekeeping  
12H  
04 6-30  
Change the year, month, or day  
Use C (+) and A ().  
The display range for the middle display area is 9 hours, 59 minutes, 59.99 seconds.  
For the lower display area, it is 99 hours, 59 minutes, 59.99 seconds.  
The stopwatch continues to run, restarting from zero after it reaches its limit, until  
you stop it.  
The stopwatch measurement operation continues even if you exit the Stopwatch  
Mode.  
5. Press B to exit the setting screen.  
See Daylight Saving Time (DST)below for details about the DST setting.  
The year can be set in the range of 2000 to 2039. The day of the week is calculated  
automatically in accordance with the date.  
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is  
applied in all modes.  
1
 
Operation Guide 2877  
About the Auto Light Switch  
World Time  
Turning on the auto light switch causes illumination to turn on, whenever you position  
World Time shows the current time in 27 cities (29 time  
zones) around the world.  
All of the operations in this section are performed in the  
World Time Mode, which you enter by pressing D.  
your wrist as described below in any mode.  
Current time in the zone  
of the selected city code  
Moving the watch to a position that is parallel to the ground and then tilting it  
towards you more than 40 degrees causes illumination to turn on.  
Wear the watch on the outside of your wrist.  
City code  
To view the time in another city code  
In the World Time Mode, press C to scroll through city  
codes (time zones) to the east or A to scroll to the west.  
For full information about city codes, see the City Code  
Table.  
Parallel to ground  
More than 40°  
If the current time shown for a city is wrong, check your  
Timekeeping Mode time and Home City code settings  
and make the necessary changes.  
Warning!  
Always make sure you are in a safe place whenever you are reading the  
display of the watch using the auto light switch. Be especially careful when  
running or engaged in any other activity that can result in accident or injury.  
Also take care that sudden illumination by the auto light switch does not  
startle or distract others around you.  
Timekeeping Mode time  
When the currently selected time zone is one that includes mostly ocean, a value  
indicating the zones Greenwich Mean Time differential appears in place of a city  
code.  
When you are wearing the watch, make sure that its auto light switch is turned  
off before riding on a bicycle or operating a motorcycle or any other motor  
vehicle. Sudden and unintended operation of the auto light switch can create  
a distraction, which can result in a traffic accident and serious personal injury.  
To toggle a city code time between Standard Time and Daylight Saving Time  
1. In the World Time Mode, use A and C to display the  
city code (time zone) whose Standard Time/Daylight  
Saving Time setting you want to change.  
2. Hold down B for about one second to toggle Daylight  
Saving Time (DST displayed) and Standard Time (DST  
not displayed).  
The DST indicator is on the display whenever you  
display a city code for which Daylight Saving Time is  
turned on.  
Note that the DST/Standard Time setting affects only the  
currently displayed city code. Other city codes are not  
affected.  
To turn the auto light switch on and off  
In the Timekeeping Mode, hold down C for about two seconds to toggle the auto light  
switch on (  
displayed) and off (  
not displayed).  
) is on the display in all modes while the auto  
The auto light switch on indicator (  
light switch is turned on.  
In order to protect against running down the battery, the auto light switch will turn off  
automatically approximately six hours after you turn it on. Repeat the above  
procedure to turn the auto light switch back on if you want.  
To specify the illumination duration  
1. In the Timekeeping Mode, hold down B until the  
seconds start to flash, which indicates the setting  
screen.  
Alarm  
2. Press A to toggle the illumination duration setting  
between 2.5 seconds ( ) and 1.5 seconds ( ).  
3. Press B to exit the setting screen.  
When the alarm is turned on, the alarm sounds when the  
Hourly time signal  
alarm time is reached. You can also turn on an Hourly  
on indicator  
Time Signal, which will cause the watch to beep twice  
every hour on the hour.  
All of the operations in this section are performed in the  
Alarm Mode, which you enter by pressing D.  
Alarm on indicator  
AM indicator  
To set the alarm time  
1. In the Alarm Mode, hold down B until the hour setting  
of the alarm time starts to flash, which indicates the  
setting screen.  
Reference  
This operation automatically turns on the alarm.  
2. Press D to move the flashing between the hour and  
minute settings.  
This section contains more detailed and technical information about watch operation.  
It also contains important precautions and notes about the various features and  
functions of this watch.  
Timekeeping Mode time  
Auto Return Feature  
If you leave a screen with flashing digits on the display for two or three minutes  
without performing any operation, the watch automatically exits the setting screen.  
Alarm time (Hour : Minutes)  
3. While a setting is flashing, use C (+) and A () to change it.  
When setting the alarm time using the 12-hour format, take care to set the time  
A
P
Scrolling  
correctly as a.m. ( indicator) or p.m. ( indicator).  
4. Press B to exit the setting screen.  
The A and C buttons are used in various modes and setting screens to scroll  
through data on the display. In most cases, holding down these buttons during a scroll  
operation scrolls through the data at high speed.  
Alarm Operation  
The alarm sounds at the preset time for about 10 seconds, regardless of the mode the  
watch is in.  
Initial Screens  
To stop the alarm tone after it starts to sound, press any button.  
When you enter the World Time Mode, the data you were viewing when you last  
exited the mode appears first.  
To test the alarm  
In the Alarm Mode, hold down C to sound the alarm.  
Timekeeping  
00  
Resetting the seconds to  
while the current count is in the range of 30 to 59  
To turn the Daily Alarm and the Hourly Time Signal on and off  
In the Alarm Mode, press A to cycle through the settings as shown below.  
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are  
00  
reset to  
without changing the minutes.  
P
With the 12-hour format, the (PM) indicator appears on the display for times in the  
Hourly Time Signal On Indicator / Alarm On Indicator  
A
range of noon to 11:59 p.m. and the (AM) indicator appears for times in the range  
of midnight to 11:59 a.m.  
With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without  
any indicator.  
Signal On  
Alarm On  
Signal Off  
Alarm Off  
Signal Off  
Alarm On  
Signal On  
Alarm Off  
The watchs built-in full automatic calendar makes allowances for different month  
lengths and leap years. Once you set the date, there should be no reason to change  
it except after you have the watchs battery replaced.  
The alarm on indicator and the Hourly Time Signal on indicator are shown on the  
display in all modes while these functions are turned on.  
World Time  
The World Time Mode times are calculated from the current Home City time setting  
in the Timekeeping Mode, using the Greenwich Mean Time (GMT) differentials  
associated with each city code.  
The seconds count of the World Time is synchronized with the seconds count of the  
Timekeeping Mode.  
The GMT differential is a value that indicates the time difference between Greenwich  
Mean Time and the time zone where a city is located.  
GMT differential is calculated by this watch based on Universal Time Coordinated  
(UTC) data.  
Illumination  
The display of the watch is illuminated using an EL  
Auto light switch on indicator  
(electro-luminescent) panel for easy reading in the dark.  
The watchs auto light switch automatically turns on  
illumination when you angle the watch towards your face.  
The auto light switch must be turned on (indicated by  
the auto light switch on indicator) for it to operate.  
You can specify 1.5 seconds or 2.5 seconds as the  
illumination duration.  
Illumination Precautions  
The electro-luminescent panel that provides illumination loses power after very long  
See Illumination Precautionsfor other important  
information about using illumination.  
use.  
Illumination may be hard to see when viewed under direct sunlight.  
The watch may emit an audible sound whenever the display is illuminated. This is  
due to vibration of the EL panel used for illumination, and does not indicate  
malfunction.  
To turn on illumination manually  
The button you need to press to illuminate the display depends on the mode you are in.  
In the Timekeeping*, Stopwatch, or Countdown Timer Mode*, press C.  
* If the Timekeeping Mode or Countdown Timer Mode setting screen is on the  
display, press E.  
Illumination automatically turns off whenever an alarm sounds.  
Frequent use of illumination shortens the battery life.  
In the Recall, World Time, or Alarm Mode, press E.  
The above operation turns on illumination regardless of the current auto light switch  
setting.  
3
 
Operation Guide 2877  
Auto light switch precautions  
Wearing the watch on the inside of your wrist and movement or vibration of your arm  
can cause the auto light switch to activate and illuminate the display. To avoid  
running down the battery, turn off the auto light switch whenever engaging in  
activities that might cause frequent illumination of the display.  
Illumination may not turn on if the face of the watch is  
More than 15 degrees  
more than 15 degrees above or below parallel. Make  
too high  
sure that the back of your hand is parallel to the ground.  
Illumination turns off after the preset illumination  
duration (see To specify the illumination duration),  
even if you keep the watch pointed towards your face.  
Static electricity or magnetic force can interfere with proper operation of the auto  
light switch. If illumination does not turn on, try moving the watch back to the starting  
position (parallel with the ground) and then tilt it back towards your face again. If this  
does not work, drop your arm all the way down so it hangs at your side, and then  
bring it back up again.  
Under certain conditions, illumination does not turn on until about one second after  
you turn the face of the watch towards you. This does not indicate malfunction.  
You may notice a very faint clicking sound coming from the watch when it is shaken  
back and forth. This sound is caused by mechanical operation of the auto light  
switch, and does not indicate a problem with the watch.  
,
, and  
Messages  
Performing any button operation that stores or recalls run data will cause  
to  
appear if battery power is low. Buttons will also become disabled for a few seconds.  
Normal operation will return when battery power recovers.  
When the AC (all clear) operation is performed after the watchs battery is replaced,  
the message  
will remain on the display for a few minutes as the watch  
performs a memory check. Do not perform any button operation while  
the display.  
is on  
If  
appears on the display, it means that the back of the watch is open or loose,  
which is causing improper contact inside the watch. Whenever the message  
appears on the display of the watch and stays there, take the watch to the store  
where you purchased it or to your local CASIO distributor.  
Performing the AC (all clear) operation will cause all data currently stored in watch  
memory to be deleted. Be sure to always keep separate written copies of all  
important data.  
City Code Table  
City  
Code  
GMT  
Differential  
City  
Other major cities in same time zone  
11  
HNL  
ANC  
11.0  
10.0  
09.0  
Pago Pago  
Papeete  
Nome  
Honolulu  
Anchorage  
San Francisco, Las Vegas, Vancouver, Seattle/Tacoma,  
Dawson City  
LAX  
Los Angeles  
08.0  
DEN  
CHI  
Denver  
07.0  
06.0  
El Paso, Edmonton  
Houston, Dallas/Fort Worth, New Orleans,  
Mexico City, Winnipeg  
Chicago  
Montreal, Detroit, Miami, Boston, Panama City,  
Havana, Lima, Bogota  
La Paz, Santiago, Port Of Spain  
NYC  
CCS  
New York  
Caracas  
05.0  
04.0  
03.0  
02.0  
01.0  
RIO Rio De Janeiro  
2  
1  
Sao Paulo, Buenos Aires, Brasilia, Montevideo  
Praia  
GMT  
LON  
+00.0  
+01.0  
+02.0  
Dublin, Lisbon, Casablanca, Dakar, Abidjan  
London  
Paris  
Milan, Rome, Madrid, Amsterdam, Algiers, Berlin,  
Hamburg, Frankfurt, Vienna, Stockholm  
Athens, Helsinki, Istanbul, Beirut, Damascus,  
Cape Town  
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi, Moscow  
Shiraz  
PAR  
CAI  
JRS  
JED  
THR  
DXB  
KBL  
KHI  
DEL  
DAC  
RGN  
BKK  
Cairo  
Jerusalem  
Jeddah  
Tehran  
Dubai  
Kabul  
Karachi  
Delhi  
+03.0  
+03.5  
+04.0  
+04.5  
+05.0  
+05.5  
+06.0  
+06.5  
+07.0  
Abu Dhabi, Muscat  
Male  
Mumbai, Kolkata  
Colombo  
Dhaka  
Yangon  
Bangkok  
Jakarta, Phnom Penh, Hanoi, Vientiane  
Singapore, Kuala Lumpur, Beijing, Taipei, Manila,  
Perth, Ulaanbaatar  
HKG  
Hong Kong  
+08.0  
Tokyo  
Adelaide  
Sydney  
Noumea  
Wellington  
TYO  
ADL  
SYD  
NOU  
WLG  
+09.0  
+09.5  
+10.0  
+11.0  
+12.0  
Seoul, Pyongyang  
Darwin  
Melbourne, Guam, Rabaul  
Port Vila  
Christchurch, Nadi, Nauru Island  
*Based on data as of June 2004.  
4
 

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