Casio Watch MA0905 EA User Manual

MA0905-EA  
Operation Guide 3178  
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.  
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 C to change from mode to mode.  
In any mode (except when a setting screen is on the display), press B to illuminate  
the display.  
Timekeeping Mode  
Press  
Stopwatch Mode (ST1)  
Stopwatch Mode (ST2)  
Countdown Timer Mode  
Alarm Mode  
World Time Mode  
.
To toggle between 12-hour and 24-hour timekeeping  
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and 24-  
hour timekeeping.  
With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for  
times in the range of noon to 11:59 p.m. and no indicator appears to the left of the  
hour digits 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.  
Timekeeping  
Use the Timekeeping Mode to set and view the current  
time and date.  
Day of week  
Month – Day  
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.  
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is  
applied in all other modes.  
The P indicator is not displayed when the current time is displayed in other modes.  
Seconds  
Hour : Minutes  
Stopwatches  
PM indicator  
Your watch has two stopwatch modes:Stopwatch Mode  
Timekeeping Mode time  
(ST1) and Stopwatch Mode (ST2). Both stopwatch modes  
To set the time and date  
*During stopwatch elapsed  
let you measure elapsed time, split times, and two  
1. In the Timekeeping Mode, hold down A until the  
seconds start to flash, which indicates the setting  
screen.  
time measurement,  
shows the number of  
hours elapsed.  
finishes. The Stopwatch Mode (ST1) includes Auto-Start.  
A display range of the stopwatch is 999 hours,  
59 minutes, 59.99 seconds.  
2. Press C to move the flashing in the sequence shown  
below to select other settings.  
A stopwatch continues to run, restarting from zero after  
it reaches its limit, until you stop it.  
A stopwatch measurement operation continues even if  
you exit a Stopwatch Mode.  
Exiting a Stopwatch Mode while a split time is frozen on  
the display clears the split time and returns to elapsed  
time measurement.  
All of the operations in this section are performed in the  
Stopwatch Mode (ST1) or Stopwatch Mode (ST2),  
which you enter by pressing C.  
Home time zone  
Seconds  
Day  
DST  
Month  
Home Time Zone  
Year  
Hour  
Minutes  
Minutes  
Seconds  
1/100 second  
3. When the setting you want to change is flashing, use D and B to change it as  
To measure times with the stopwatch  
(Stopwatch Mode (ST1) and Stopwatch Mode (ST2))  
described below.  
Screen  
To do this:  
Do this:  
Elapsed Time  
00  
Reset the seconds to  
Press D.  
Press D.  
Toggle between Daylight Saving  
Time ( ) and Standard Time (  
Stop  
Re-start  
Stop  
Stop  
Clear  
Clear  
Start  
ON  
OFF  
)
Split Time  
Specify the UTC offset  
Change the hour or minutes  
Change the year  
Use D (+) and B ().  
Use D (+) and B ().  
Split  
(
Split release  
Start  
displayed)  
Two Finishes  
Start  
Change the month or day  
Split  
Stop  
Split release  
Clear  
See Daylight Saving Time (DST)for details about DST setting.  
The UTC offset setting range is 12.0 to +14.0, in 0.5-hour units.  
When DST is turned on, the UTC offset setting range is 11.0 to +15.0, in  
0.5-hour units.  
First runner finishes. Second runner  
Display time of first finishes.  
runner.  
Display time of  
second runner.  
4. Press A to exit the setting screen.  
About Auto-Start (Stopwatch Mode (ST1))  
The day of the week is displayed automatically in accordance with the date (year,  
With Auto-Start, the watch performs a 5-second countdown, and stopwatch operation  
starts automatically when the countdown reaches zero.  
month, and day) settings.  
During the final three seconds of the countdown, a beeper sounds with each second.  
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 use Auto-Start (ST1)  
1. While the stopwatch screen is showing all zeros in the  
Stopwatch Mode, press A.  
This displays a 5-second countdown screen.  
To return to the all zeros screen, press A again.  
2. Press D to start the countdown.  
When the countdown reaches zero, a tone sounds and  
a stopwatch timing operation starts automatically.  
Pressing D while the Auto-Start countdown is in  
progress starts the stopwatch immediately.  
To toggle the Timekeeping Mode time between DST and Standard Time  
1. In the Timekeeping Mode, hold down A until the  
DST indicator  
seconds start to flash, which indicates the setting  
screen.  
2. Press C to display the DST setting screen.  
3. Press D to toggle between Daylight Saving Time  
ON  
OFF  
displayed) and Standard Time (  
(
displayed).  
4. Press A to exit the setting screen.  
The DST indicator appears on the display to indicate  
that Daylight Saving Time is turned on.  
1
 
Operation Guide 3178  
World Time  
Reference  
World Time shows the current time in 48 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 C.  
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.  
City code  
Graphic Area  
To view the time for another city code  
In the World Time Mode, press D to scroll eastwardly  
through city codes.  
The information shown in the graphic area depends on the current mode.  
For full information about city codes, see the City Code  
Table.  
Graphic area  
Current time and date in  
the zone of the selected  
city code  
If the current time for a city is wrong, check your  
Timekeeping Mode time and time zone settings and  
make necessary changes.  
The following table shows the information that appears in graphic area.  
To toggle a city code time between Standard Time and Daylight Saving Time  
1. In the World Time Mode, use D to display the city code  
(time zone) whose Standard Time/Daylight Saving Time  
setting you want to change.  
Mode  
Graphic Area  
Timekeeping Mode seconds  
Timekeeping  
World Time  
2. Hold down A for about one second to toggle Daylight  
Saving Time (DST displayed) and Standard Time (DST  
not displayed).  
Timekeeping Mode seconds  
Sweeps from left to right  
Sweeps from right to left  
No indication  
Stopwatch (ST1 and ST2)  
Countdown Timer  
Alarm  
The DST indicator is on the display whenever you  
DST indicator  
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.  
Flash Alert  
When Flash Alert is turned on, the illumination flashes for  
the alarms, the Hourly Time Signal, the countdown alarm,  
and stopwatch (ST1) auto start.  
Illumination  
To turn Flash Alert on and off  
In the Timekeeping Mode, hold down D for about three  
seconds to toggle Flash Alert on (Flash Alert indicator  
displayed) or off (Flash Alert indicator not displayed).  
Illumination flashes twice when you turn Flash Alert on  
and once when turn Flash Alert off.  
This watch has an EL (electro-luminescent) panel that  
causes the entire display to glow for easy reading in the  
dark. The watchs auto light switch turns on illumination  
automatically when you angle the watch for reading  
towards your face.  
The auto light switch must be turned on (indicated by  
the auto light switch indicator) for it to operate.  
See Illumination Precautionsfor more important  
information.  
Flash Alert indicator  
While Flash Alert is turned on, the Flash Alert indicator  
remains on the display in all modes.  
Note that pressing D to toggle Flash Alert on or off will  
also switch timekeeping between 12-hour and 24-hour  
format.  
Auto light switch indicator  
Button Operation Tone  
To illuminate the display  
The button operation tone sounds any time you press one  
of the watchs buttons. You can turn the button operation  
tone on or off as desired.  
Even if you turn off the button operation tone, the  
alarms, the Hourly Time Signal, the countdown alarm,  
and stopwatch auto start all operate normally.  
In any mode, press B to turn on illumination.  
The above operation turns on illumination regardless of the current auto light switch  
setting.  
You can use the procedure below to select either 3 seconds or 5 seconds as the  
illumination duration. When you press B, the illumination will remain on for about  
3 seconds or 5 seconds, depending on the current illumination duration setting.  
To turn the button operation tone on and off  
In any mode (except when a setting screen is on the  
display), hold down C to toggle the button operation tone  
on (mute indicator not displayed) and off (mute indicator  
displayed).  
To specify the illumination duration  
1. In the Timekeeping Mode, hold down A until the  
seconds start to flash, which indicates the setting  
screen.  
2. While the seconds are flashing, press B to toggle the  
setting between 3 seconds ( ) and 5 seconds ( ).  
3. Press A to exit the setting screen.  
Holding down C to turn the button operation tone on or off also causes the watchs  
current mode to change.  
The mute indicator is displayed in all modes when the button operation tone is  
turned off.  
About the Auto Light Switch  
While the auto light switch is enabled, illumination turns on whenever you position  
your wrist as described below in any mode.  
Auto Return Features  
If you leave the watch in the Alarm Mode for two or three minutes without performing  
any operation, it automatically changes to the Timekeeping Mode.  
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.  
Moving the watch to a position that is parallel to the ground and then tilting it  
towards you at more than 40 degrees causes illumination to turn on.  
Wear the watch on the outside of your wrist.  
Scrolling  
The B and D 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 at high speed.  
Parallel to ground  
More than 40°  
Initial Screens  
When you enter the World Time or Alarm Mode, the data you were viewing when you  
last exited the mode appears first.  
Warning!  
Always make sure you are in a safe place whenever you are reading 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  
00  
Resetting the seconds to  
while the current count is in the range of 30 to 59  
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.  
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.  
The year can be set in the range of 2000 to 2099.  
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.  
To turn the auto light switch on and off  
World Time  
In the Timekeeping Mode, hold down B for about three seconds to toggle the auto  
light switch on (auto light switch indicator displayed) or off (auto light switch indicator  
not displayed).  
All World Time Mode times are calculated from the current Home City time in the  
Timekeeping Mode using UTC offset values.  
The seconds count of the World Time is synchronized with the seconds count of the  
Timekeeping Mode.  
The auto light switch indicator is on the display in all modes while the auto light  
switch is turned on.  
The UTC offset is a value that indicates the time difference between a reference  
point in Greenwich, England and the time zone where a city is located.  
The letters UTCis the abbreviation for Coordinated Universal Time, which is the  
world-wide scientific standard of timekeeping. It is based upon carefully maintained  
atomic (cesium) clocks that keep time accurately to within microseconds. Leap  
seconds are added or subtracted as necessary to keep UTC in sync with the Earths  
rotation.  
In order to protect against running down the battery, the auto light switch turns off  
automatically approximately six hours after you turn it on.  
Illumination Precautions  
The electro-luminescent panel that provides illumination loses power after very long  
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.  
Illumination turns off automatically whenever an alarm sounds.  
Frequent use of illumination runs down the battery.  
3
 
Operation Guide 3178  
Auto light switch precautions  
Avoid wearing the watch on the inside of your wrist. Doing so causes the auto light  
switch to operate when it is not needed, which shortens battery life. If you want to  
wear the watch on the inside of your wrist, turn off the auto light switch feature.  
Illumination may not turn on if the face of the watch is  
more than 15 degrees above or below parallel. Make  
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 you 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 may not turn on until about one second after  
you turn the face of the watch towards you. This does not necessarily indicate  
malfunction of the auto light switch.  
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.  
Specifications  
Accuracy at normal temperature: 15 seconds a month  
Timekeeping: Hour, minutes, seconds, p.m. (P), month, day, day of the week  
Time format: 12-hour and 24-hour  
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099  
Other: Home Time zone (selectable in 0.5-hour increments in the range of 12.0 to  
+14.0); Daylight Saving Time (summer time)/Standard Time  
Stopwatch (ST1)  
Measuring unit: 1/100 second  
Measuring capacity: 999:59'59.99''  
Measuring modes: Elapsed time, split time, two finishes  
Other: Auto-Start  
Stopwatch (ST2)  
Measuring unit: 1/100 second  
Measuring capacity: 999:59'59.99''  
Measuring modes: Elapsed time, split time, two finishes  
Countdown Timer  
Measuring unit: 1 second  
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)  
Other: Auto-repeat timing; Progress beeper  
Alarms: 5 multi-function* alarms (four one-time alarms; one snooze alarm);  
Hourly Time Signal  
*Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarm  
World Time: 48 cities (29 time zones)  
Other: Daylight Saving Time/Standard Time  
Illumination: EL (electro-luminescent panel); Selectable illumination duration;  
Auto Light Switch  
Other: Button operation tone on/off, Flash alert, Low temperature resistance  
(20°C/4°F)  
Battery: One lithium battery (Type: CR2025)  
Approximately 3 years on type CR2025 (20 seconds of alarm operation per day  
(with flash alert), one countdown timer operation (with progress beeper and flash  
alert) per week, one stopwatch operation (with auto start and flash alert) per week,  
5 seconds of illumination per day)  
City Code Table  
City  
Code  
UTC Offset/  
GMT Differential  
City  
Code  
UTC Offset/  
GMT Differential  
City  
City  
PPG  
HNL  
ANC  
LAX  
DEN  
MEX  
CHI  
Pago Pago  
Honolulu  
Anchorage  
Los Angeles  
Denver  
Mexico City  
Chicago  
New York  
Caracas  
11  
10  
9  
8  
7  
NIC  
HEL  
CAI  
JRS  
MOW  
JED  
THR  
DXB  
KBL  
KHI  
DEL  
DAC  
RGN  
BKK  
SIN  
HKG  
BJS  
PER  
SEL  
TYO  
ADL  
SYD  
NOU  
WLG  
Nicosia  
Helsinki  
Cairo  
Jerusalem  
Moscow  
Jeddah  
Tehran  
Dubai  
Kabul  
Karachi  
Delhi  
Dhaka  
Yangon  
Bangkok  
Singapore  
Hong Kong  
Beijing  
Perth  
Seoul  
Tokyo  
+2  
+3  
6  
+3.5  
+4  
+4.5  
+5  
+5.5  
+6  
+6.5  
+7  
NYC  
CCS*  
YYT  
RIO Rio De Janeiro  
BUE Buenos Aires  
RAI  
LON  
DKR  
MAD  
PAR  
5  
4  
3.5  
3  
St. Johns  
Praia  
London  
Dakar  
Madrid  
Paris  
1  
0
+8  
+1  
MCM Monte Carlo  
ROM  
BER  
STO  
ATH  
Rome  
Berlin  
Stockholm  
Athens  
+9  
Adelaide  
Sydney  
Noumea  
Wellington  
+9.5  
+10  
+11  
+12  
+2  
JNB Johannesburg  
ANK Ankara  
Based on data as of March 2008.  
The rules governing global times (UTC offset and GMT differential) and summer  
time are determined by each individual country.  
* In December 2007, Venezuela changed its offset from 4 to 4.5. Note, however,  
that this watch displays an offset of 4 (the old offset) for the CCS (Caracas,  
Venezuela) city code.  
4
 

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