Casio Watch MA0804 EC User Manual

MA0804-EC  
Operation Guide 5012 (OC)  
Before using the watch...  
Expose the watch to light.  
Power Saving  
Your watch runs on electrical power generated from light, which is  
stored by a chargeable battery. Long-term storage of the watch can  
cause the battery to run low, so be sure to expose the watch to light  
before using it for the first time. See “Solar Charging” for more  
information.  
Power Saving causes the watch to enter a sleep state automatically  
and stop movement of the analog hands in order to save power  
whenever the watch is left in the dark.  
The watch will exit the sleep state if you expose it to light or perform  
any button operation.  
Though the hands are stopped, the watch continues to keep time  
internally.  
Note that the watch also may enter the sleep state and stop if the  
solar panel is blocked from light by your sleeve.  
Low Battery Alert  
When secondary battery power is low, the second hand of the watch  
will jump at 2-second intervals to let you know that charging is  
required.  
Sleep Level 1  
See “Low Battery Alert” for more information.  
Sleep Level 1 is triggered whenever the watch is left in the dark for  
about one hour any time between the hours of 10 p.m. and 6 a.m.  
In Sleep Level 1:  
The second hand is stopped.  
The hour hand, 24-hour hand, minute hand, and day indicator  
continue to operate normally.  
Auto Receive is performed normally.  
30  
Sleep Level 2  
Sleep Level 2 is triggered whenever the watch is left in the dark  
while in Sleep Level 1 for six or seven days.  
In Sleep Level 2:  
30  
The hour hand, 24-hour hand, and minute hand are stopped.  
If the watch reaches Sleep Level 2 while in the World Time Mode,  
the hands will move to 12 oclock and stop when the Home City  
time (kept internally) reaches midnight.  
Jumps at 2-second  
intervals.  
Auto Receive is disabled.  
The day indicator continues to operate normally.  
To toggle between the Timekeeping Mode and World Time Mode,  
press the C button.  
About 1.5 seconds after you enter the World Time Mode, the  
watchs hands will start to move to the current World Time. Note  
that the only operation you can perform while the hands are  
moving is changing to another mode.  
The shape and markings of the face depend on the watch  
model.  
Modes and Indicators  
To toggle between the Timekeeping Mode and Stopwatch Mode, press the D button.  
Timekeeping Mode  
Stopwatch Mode  
Timekeeping Mode  
World Time Mode  
Indicator hand  
Second hand  
Hour hand  
Button  
Minute hand  
Button  
City code  
Start  
Stop  
24-hour  
hand  
Minute  
hand  
Day of the  
week hand  
Button  
Button  
Reset  
30  
30  
30  
30  
1/20-second hand  
Second hand  
1/20-second timing is performed only for the first minute  
after you start or restart an elapsed time measurement.  
(While reset.)  
Day  
You also can start a stopwatch elapsed time  
operation from the Timekeeping Mode by pressing  
the  
button.  
For more information, see How a Radio-controlled  
Watch Works.  
1
 
Operation Guide 5012 (OC)  
Reception Ranges  
Transmitter Locations  
Japan (JJY)  
1000km  
How a Radio-controlled Watch Works  
The table below shows the time calibration signal that the watch  
receives when a particular city code is selected as your Home City.  
For information about Home City settings, see “Configuring  
Home City Settings”. See the “City Code List” for information  
about city codes.  
What is a radio-controlled watch?  
Calibration Signal  
Mt. Otakadoya  
(40kHz)  
A radio-controlled watch is designed to receive a time calibration  
signal that contains standard time data and adjust its current time  
setting accordingly.  
The Japanese calibration signal (Call Sign: JJY) is maintained by  
the National Institute of Information and Communications  
Technology (NICT). It is transmitted 24 hours a day from the Mt.  
Otakadoya transmitter (40 kHz) located in Tamura-gun,  
Fukushima Prefecture, and from the Mt. Hagane transmitter (60  
kHz) located on the border between Saga Prefecture and  
Fukuoka Prefecture.  
500km  
Mt. Hagane  
(60kHz)  
500km  
Home City  
(Supports signal reception)  
Receivable Transmitter  
Long-wave  
Transmitter  
1000km  
time calibration signal  
TYO, HKG  
Japan (JJY)  
The U.S. calibration signal (Call Sign: WWVB) is transmitted by  
the National Institute of Standards and technology from Fort  
Collins, Colorado.  
The U.K. calibration signal (Call Sign: MSF) is transmitted by the  
National Physical Laboratory (NPL) from Anthorn, which is located  
near Anthorn, Cumbria.  
The German calibration signal (Call Sign: DCF77) is transmitted  
by Physikalisch - Technische Bundesanstalt (PTB) in Mainflingen,  
which is located southeast of Frankfurt.  
Time calibration signal frequencies and transmitter locations are  
subject to change.  
United States (WWVB)  
HNL, ANC, LAX,  
DEN, CHI, NYC  
United States (WWVB)  
Fort Collins  
U.K. (MSF) and  
Germany (DCF77)  
1000km  
LON, PAR, ATH  
Cesium  
atomic clock  
3000km  
Watch  
Signal reception is possible in the time zones represented by  
HKG (Hong Kong), HNL (Honolulu), and ANC (Anchorage) when  
reception conditions are good.  
Certain conditions can make reception impossible even when the  
watch is within one of the reception ranges shown above. Signals  
become weaker outside of the smaller circles indicated by dashed  
lines in the nearby maps, so the reception environment has a  
greater effect on signal reception.  
U.K. (MSF), Germany (DCF77)  
After the watch receives the Standard Time signal, it performs  
internal calculations to determine the current time. Because of  
this, there may be an error of up to one second in the  
displayed time.  
The time data of the Japanese calibration signal (Call Sign:  
JJY) is maintained by the Japan Standard Time Group of the  
National Institute of Information and Communications  
Technology (NICT).  
Note that transmission of the calibration signal may be  
interrupted occasionally due to maintenance, lightning, etc.  
For more information, visit the website of the Japan Standard  
Time Group of the National Institute of Information and  
Communications Technology (NICT) at the following URL.  
1500km  
Anthorn  
500km  
Mainflingen  
The following also can affect signal reception: geographic  
contours, structures, weather, climate, time of day (afternoon,  
evening), noise.  
The signal transmitted  
out of Anthorn may be  
receivable within this  
range.  
Note that the above URL is subject to change.  
Important!  
How Auto Receive Works  
Reception Time  
Auto Receive  
Reception is difficult and may even be impossible in the locations  
described below. Avoid such locations when performing signal  
reception.  
Calibration signal reception will start automatically whenever the  
current time in the Timekeeping Mode reaches one of the Auto  
Receive Start Times listed below. Auto receive can be performed up  
to six times a day, but any time a signal receive operation is  
successful, no more auto receive operations are performed that day.  
Note that the Auto Receive Start Times differ according to the  
current Home City setting and the summer time setting.  
A receive operation can take anywhere from about two to seven  
minutes.  
Getting Ready for Auto Receive  
You will need to perform the operations described below in order to  
use Auto Receive.  
Under certain conditions, a receive operation can take as long as  
13 minutes.  
You should think of your watch as operating like a radio or TV  
when it is receiving the calibration signal.  
Configure the Home City setting of the Timekeeping Mode so it  
matches your current location. The Home City must be in a time  
zone where calibration signal reception is supported. See:  
Reception Rangesand Configuring Home City Settings.  
Put the watch into the Timekeeping Mode or World Time Mode.  
See: Modes and Indicators.  
During the Auto Receive times, position the watch correctly for  
best reception. See: Auto Receive Start Times(below) and  
Positioning the Watch for Best Reception.  
Positioning the Watch for Best  
Reception  
Summer time, or Daylight Saving Time (DST) as it is called in  
some countries, calls for setting clocks ahead one hour from  
standard time during the summer season.  
Remove the watch from your wrist and place it somewhere so its top  
(12 oclock side, where the antenna is located) is facing  
approximately in the direction of the signal transmitter. Keep the  
watch away from metal objects.  
Among or near  
buildings  
Near high-voltage Inside an automobile,  
Note that the start and end of summer time, and whether summer  
time is used at all depends on each country.  
lines  
train, plane, or other  
vehicle  
Auto Receive Start Times  
Next to a TV,  
speaker, fax,  
computer, cellphone, location where there  
or other household is radio interference  
appliances or office  
At a construction  
site, airport, or other  
Near mountains  
Auto Receive Start Times  
Auto Receive Start Times  
Resin band  
Home City  
1
2
3
4
5
6
TYO, HKG  
Standard Time  
Midnight  
1:00 a.m.  
2:00 a.m.  
3:00 a.m.  
4:00 a.m.  
5:00 a.m.  
equipment  
HNL, ANC, LAX,  
DEN, CHI, NYC  
Standard Time  
Summer Time  
Midnight  
1:00 a.m.  
2:00 a.m.  
3:00 a.m.  
4:00 a.m.  
5:00 a.m.  
If you are experiencing problems with reception, move away  
from the types of locations described above to a location with  
better reception, and try again.  
Standard Time  
Summer Time  
Standard Time  
Summer Time  
Standard Time  
Summer Time  
1:00 a.m.  
2:00 a.m.  
2:00 a.m.  
3:00 a.m.  
3:00 a.m.  
4:00 a.m.  
2:00 a.m.  
3:00 a.m.  
3:00 a.m.  
4:00 a.m.  
4:00 a.m.  
5:00 a.m.  
3:00 a.m.  
4:00 a.m.  
4:00 a.m.  
5:00 a.m.  
5:00 a.m.  
Midnight*  
4:00 a.m.  
5:00 a.m.  
5:00 a.m.  
Midnight*  
Midnight*  
1:00 a.m.*  
5:00 a.m.  
Midnight*  
Midnight*  
1:00 a.m.*  
1:00 a.m.*  
2:00 a.m.*  
Midnight*  
1:00 a.m.*  
1:00 a.m.*  
2:00 a.m.*  
2:00 a.m.*  
3:00 a.m.*  
LON  
PAR  
Metal band  
Receiving a Calibration Signal  
Orienting the watch so it is sideways to the transmitter makes it  
more difficult for the watch to receive the signal.  
Do not move the watch while it is receiving the calibration signal.  
There are two methods you can use in order to receive the time  
calibration signal.  
ATH  
Auto Receive up to six times per day  
Manual Receive where you hold down the A button in the  
Timekeeping Mode.  
* Following day  
3
 
Operation Guide 5012 (OC)  
Calibration Signal Reception Precautions  
When reception is successful  
After a receive operation is complete, the watch returns to the  
Timekeeping Mode, which shows the newly adjusted time.  
While reception is in progress...  
I To cancel a manual receive operation  
Auto Receive is not performed while the watch is in the Stopwatch  
Mode.  
Pressing any button while auto receive is in progress will cause  
the watch to exit the receive operation.  
Make sure you are within the range of a calibration signal  
transmitter before performing the receive operation. Remember  
that geographic contours, nearby buildings, the season, or the  
time of day can make reception impossible even when you are  
within range of the transmitter.  
The indicator hand moves to W”  
(or WORKfor some models).  
The hour hand, 24-hour hand,  
and minute hand will continue to  
operate normally.  
Do not perform any watch  
operations while signal reception  
is in progress (indicator hand at  
Wor WORK).  
Press any button.  
When reception fails  
The watch will return to the Timekeeping Mode without adjusting the  
time setting.  
I To check the result of the last receive  
operation  
30  
Manual Receive  
You will need to perform the operations described below in order to  
use Manual Receive.  
In the Timekeeping Mode, press the A button.  
Proper reception may be impossible if there is something blocking  
the signal. If reception is unsuccessful, try again.  
This watch is designed to adjust its current time setting in  
accordance with the calibration signals transmitted in Japan, the  
United States, the U.K., and Germany. Note that you will need to  
make your own adjustments when using this watch outside of the  
range of the time calibration signal transmitters.  
Under some reception conditions,  
the indicator hand may cycle  
between R(or READY) and  
W(or WORK) until reception  
stabilizes.  
W (or WORK)  
The indicator hand will move to Y(if the last reception was  
successful) or N(if the last reception was unsuccessful).  
Press the A button once to return to normal timekeeping.  
If you do not perform any operation for about five seconds, the  
watch will revert automatically to normal timekeeping.  
Configure the Home City setting of the Timekeeping Mode so it  
matches your current location. The Home City must be in a time  
zone where calibration signal reception is supported. See:  
Reception Rangesand Configuring Home City Settings.  
Put the watch into the Timekeeping Mode. See: Modes and  
Indicators.  
When reception is complete...  
When the watch is unable to adjust its time using the calibration  
signal for some reason, timekeeping accuracy is within 20  
seconds per month.  
Y (or YES) when successful  
If reception was successful, the  
hands will move to the correct  
time. After that, the indicator hand  
will move to Y(or Yesfor some  
models). Then after about five  
seconds the watch will resume  
regular timekeeping.  
Position the watch correctly (see Positioning the Watch for Best  
Reception).  
Y (or YES)  
Strong electrostatic charge can cause timekeeping error.  
The watchs calendar shows dates up to the year 2099.  
Attempting a receive operation after that causes an error.  
I To start a Manual Receive operation  
In the Timekeeping Mode, hold  
down the A button for about  
two seconds until the  
indicator hand moves to the  
last signal reception result  
(Yor N), and then to  
If the receive operation fails, the  
indicator hand will move to N(or  
NOfor some models) and the  
hands will move to the unadjusted  
time. Then after about five  
30  
30  
N (or NO) when not successful  
N (or NO)  
READY(Rfor some  
models).  
30  
seconds the watch will resume  
regular timekeeping.  
The last receive status changes each time a new time  
calibration signal reception operation is performed.  
The hour hand, 24-hour hand,  
and minute hand continue to  
operate normally.  
R (or READY)  
The second hand will stop at 0.  
2. Time calibration signal reception is successful, but the  
hourly time signal and current time are slightly off.  
Troubleshooting  
1. The watch cannot receive the time calibration signal.  
After the watch receives the time calibration signal, it performs an  
internal decoding process before updating its time setting.  
Because of this, the time setting may be off slightly (within one  
second).  
Is there something in the immediate area that may be interfering  
with reception?  
Even if you are within the reception range of a transmitter,  
electrical noise or objects between you and the transmitter can  
interfere with reception. Avoid such areas (see Positioning the  
Watch for Best Reception) during signal reception.  
Are you within the reception range of a transmitter?  
See Reception Rangesfor information about areas where the  
watch can receive the signal.  
3. Time calibration signal reception is successful, but the  
current time setting is wrong.  
Are your Home Time settings configured correctly?  
See Configuring Home City Settings.  
Are your Home Time settings configured correctly?  
See Configuring Home City Settings.  
Is the signal being transmitted?  
Transmission of time calibration signals may be interrupted  
If you cannot receive the calibration signal or if the time setting is  
incorrect after signal reception, check the setup of the watch.  
The following are the watchs factory default settings, which are  
configured automatically whenever you have the battery of the  
watch replaced.  
occasionally due to maintenance, lightning, etc.  
TYO  
Tokyo  
Home City  
Auto  
Summer Time  
AT (AUTO)  
(according to signal data)  
4
 
Operation Guide 5012 (OC)  
During the period when a date change in progress (from 23:59:59  
until the date change operation is complete)  
I To enter the Stopwatch Mode with the  
I To start or stop an elapsed time  
Using the Stopwatch  
D button  
operation  
1. In the Timekeeping Mode, press the D button.  
Timekeeping Mode  
Stopwatch Mode  
In the Timekeeping Mode or Stopwatch Mode, perform the  
operations shown below.  
This will enter the Stopwatch Mode, with its hands reset.  
The stopwatch measures elapsed time in units of 1/20 second up to  
59 minutes, 59.95 seconds (60 minutes). When the maximum limit is  
reached, the elapsed time returns to zero automatically and timing  
continues from there.  
Timekeeping Mode  
Stopwatch Mode  
Indicator hand makes one revolution.  
The indicator hand functions as a  
second hand in the Stopwatch Mode.  
Second hand  
Start  
Stop  
Stopwatch Reset  
The stopwatch is resetwhen all of  
the three conditions exist.  
Second hand  
Minute hand  
30  
30  
Minute hand  
Elapsed time measurement  
operation not in progress  
Elapsed time measurement  
operation not paused  
Minute hand, second hand, and  
1/20-second hand in their  
12 oclock positions (not  
The second hand  
counts seconds.  
Functions as a 1/20-second  
hand in the Stopwatch Mode.  
Reset  
30  
30  
30  
1/20-second hand  
I To switch to the Timekeeping Mode  
from the Stopwatch Mode  
30  
The second Second hand moves to 0(60for some models).  
hand counts  
seconds.  
The second hand functions as a 1/20-second  
hand in the Stopwatch Mode.  
indicating measurement result)  
While the Stopwatch Mode is reset, press the D button.  
1/20-second hand  
Start  
Stop  
Reset  
Day of the week hand moves to 0.  
The day of the week hand functions as a minute  
hand in the Stopwatch Mode.  
Stopwatch Mode (Reset)  
Timekeeping Mode  
I To reset the stopwatch  
1/20-second timing is performed only for the first minute after you  
start or restart an elapsed time measurement operation. The 1/20-  
second hand also jumps to the elapsed time position when you  
stop an elapsed time measurement operation.  
The stopwatch also will reset if you press D while elapsed time  
measurement is in progress.  
While an elapsed time measurement operation is in progress or  
paused, or while the hands are indicating an elapsed time  
measurement operation result, press the D button. This will reset  
the stopwatch and switch to the Timekeeping Mode (normal  
timekeeping).  
2. Press the B button to start an elapsed time operation.  
I To enter the Stopwatch Mode with the  
B button  
In the Timekeeping Mode, press the B button.  
30  
30  
Cumulative Time Measurement  
Pressing the B button to restart the stopwatch without resetting it  
will resume elapsed time measurement from where it was last  
stopped.  
This enters the Stopwatch Mode and immediately starts an  
elapsed time operation.  
An elapsed time operation started by pressing the B button the  
Timekeeping Mode cannot be stopped within the first second after  
it is started.  
The watch will not enter the Stopwatch Mode and start an elapsed  
time measurement operation if you press the B button during the  
following in the Timekeeping Mode.  
Entering the Stopwatch Mode  
Second hand:  
12 oclock  
Minute hand:  
12 oclock  
Functions as a second hand  
in the Timekeeping Mode.  
There are two ways to enter the Stopwatch Mode from the  
Timekeeping mode: pressing the D button or the B button, as  
described below.  
1/20-second hand:  
12 oclock (0 position)  
Using Summer Time  
Summer time, or Daylight Saving Time (DST) as it is called in some  
countries, calls for setting clocks ahead one hour from standard time  
during the summer season.  
I To turn summer time on or off  
Use the C button to enter the World Time Mode as shown  
under Modes and Indicators.  
Using World Time  
World time lets you display the current time in any one of 27 cities  
(29 time zones) around the world.  
1.  
In the World Time Mode, use the D button to select the  
city whose summer time setting you want to change.  
Note that the start and end of summer time, and whether summer  
time is used at all depends on each country.  
I To search for a city  
2.  
Hold down the A button for about three seconds to  
toggle summer time on or off.  
In the World Time Mode, press  
the D button to move the  
indicator hand (which is  
pointing at the currently  
selected city code) clockwise.  
City code  
ON  
This setting turns on summer time and advances standard  
time by one hour.  
You can turn summer time on or off individually for each  
World Time City. Note, however, that you cannot change the  
summer time setting for the GMTzone. Also note that you  
cannot use the World Time mode to change the summer time  
setting of your currently selected Home City. See To select  
your Home City and change its summer time settingfor  
information about changing the summer time setting of your  
Home City.  
OFF  
Turns off summer time and returns to standard time.  
About one second after you  
release the D button, the hands  
of the watch will move to the  
current time in the zone of the city  
at which the indicator hand is  
pointing. Note that it can take as  
long as two minutes for the hands  
to move to the applicable time.  
The only button operation you will  
be able to perform while the  
hands are moving is pressing the  
C button to switch to the  
30  
(Clockwise)  
30  
I To check the current summer time on/  
off setting for a city  
In the World Time Mode, select the  
Indicates the summer  
time setting.  
ONor OFFindicated.  
city code you want to check.  
Important!  
If the current time is not correct, check your current Home City  
settings and make adjustments as necessary.  
See Configuring Home City Settings.  
(3 seconds)  
30  
30  
Timekeeping Mode.  
30  
5
 
Operation Guide 5012 (OC)  
City Code List  
Indicator hand moves  
to NYC.  
Swapping the Home City and  
World Time City  
2.  
Hold down the B button  
for about three seconds  
until the watch beeps.  
City  
UTC  
City  
Code Offset  
UTC  
City Name  
City Name  
Code Offset  
GMT +0.0  
LON +0.0  
Use the procedure below to swap the city you currently have  
selected in the World Time Mode with your Home City. This will  
make your old World Time City your new Home City, and your old  
Home City your new World Time City.  
This will make the World  
Time City you selected in  
step 1 your new Home City.  
Your previous Home City  
(New York in this example)  
will be your new World Time  
City.  
Greenwich  
London  
Paris  
ADL  
+9.5  
Adelaide  
Sydney  
SYD +10.0  
NOU +11.0  
WLG +12.0  
PPG 11.0  
HNL 10.0  
ANC 9.0  
Example: To swap your Home City of New York (NYC) to Tokyo  
(TYO)  
PAR  
ATH  
JED  
+1.0  
+2.0  
+3.0  
Noumea  
30  
Athens  
Jeddah  
Teheran  
Dubai  
Wellington  
Pago Pago  
Honolulu  
Home City  
New York (NYC)  
Tokyo (TYO)  
World Time City  
Tokyo (TYO)  
Important!  
THR +3.5  
DXB +4.0  
Before swapping  
After swapping  
If you are using the watch in Japan, be sure to select TYO (Tokyo)  
as your Home City.  
Anchorage  
Los Angeles  
Denver  
New York (NYC)  
Selecting another city code will make it impossible to receive the  
time calibration signal, which will cause the watchs time setting to  
be off.  
KBL  
KHI  
DEL  
+4.5  
+5.0  
+5.5  
Kabul  
LAX  
DEN 7.0  
CHI  
6.0  
NYC 5.0  
8.0  
Karachi  
Delhi  
1.  
In the World Time Mode,  
Chicago  
use the D button to select  
the city you want to use as  
your new Home City.  
DAC +6.0  
RGN +6.5  
BKK +7.0  
HKG +8.0  
Dhaka  
New York  
Caracas  
*
Yangon  
Bangkok  
Hong Kong  
Tokyo  
CCS 4.0  
RIO  
2.0  
1.0  
3.0  
Rio de Janeiro  
30  
TYO  
+9.0  
TYO selected  
Based on data as of June 2007.  
The rules governing global times (GMT differential and UTC  
offset) and summer time are determined by each individual  
country.  
In December 2007, Venezuela changed its offset from 4.0 to  
4.5. Note, however, that this watch displays an offset of 4.0 (the  
old offset) for the CCS (Caracas, Venezuela) city code.  
*
2.  
3.  
Press the D button to  
move the indicator hand  
clockwise.  
AT (AUTO)  
Configuring Home City Settings  
This setting enables the auto summer time setting, which  
turns summer time on or off in accordance with the received  
time calibration signal.  
Use the procedures in this section to configure Home City settings,  
including selecting a region and city code, setting the time and date,  
etc. You also can use the procedures in this section to adjust the  
time and date when the watch is unable to receive a time calibration  
signal for some reason.  
Always use the Timekeeping Mode to configure and adjust Home  
Time settings.  
Each press of the C button cycles through available settings in  
I To select your Home City and change its  
This is the factory default setting for the following city codes:  
LON, PAR, ATH, TYO, ANC, LAX, DEN, CHI, NYC.  
summer time setting  
30  
This setting is available for the following city codes only:  
LON, PAR, ATH, HKG, TYO, HNL, ANC, LAX, DEN, CHI,  
NYC.  
(+)  
1.  
In the Timekeeping Mode,  
keep the A button  
depressed (for about five  
seconds) as the indicator  
hand goes through the  
following sequence.  
ON  
This setting turns on summer time and advances the current  
time by one hour from standard time.  
the sequence shown below.  
Press the B button to  
cycle through the summer  
time (DST) settings  
30  
OFF  
The indicator hand will move  
to the last signal reception  
result (Yor N), then to R”  
(or READYfor some  
models), and then the city  
code of the currently selected  
Home City. Next, the second  
hand will move to 0(60for  
some models).  
The watch will return to normal timekeeping automatically if  
you do not perform any operation for about two or three  
minutes. Any changes you have made to settings up to that  
point will be saved.  
Home City  
Summer time  
This setting turns off summer time and displays standard time.  
Hour and minute  
Year  
described below.  
Second hand  
Signal reception also is possible in Hong Kong (HKG), Honolulu  
(HNL), and Anchorage (ANC) when reception conditions are  
good.  
If you want to proceed with adjusting the current time and date  
setting, continue from step 2 under To adjust the current time and  
date setting manually.”  
Indicator hand  
30  
Day  
Month  
6
 
Operation Guide 5012 (OC)  
Use the B button to move the tens digit (indicator) hand  
clockwise.  
Tens digit (indicator) hand  
4.  
When everything is the way you want, press the A  
button.  
2.  
3.  
Press the C button.  
4.  
Press C to change to the  
year setting.  
The indicator hand will move  
to 12 oclock, and the day of  
the week hand will move to  
0(60for some models).  
200X  
201X  
This will apply your settings and return to normal timekeeping.  
The second hand will move to and start timekeeping from the  
appropriate seconds count in accordance with the watchs  
internal timekeeping.  
202X  
30  
30  
I To adjust the current time and date  
209X  
203X  
204X  
setting manually  
Units digit hand  
208X  
1.  
In the Timekeeping Mode,  
keep the A button  
24-hour hand  
Use the D (+) and B ()  
buttons to change the  
time setting in one-minute  
increments.  
205X  
207X  
depressed (for about five  
seconds) as the indicator  
hand goes through the  
following sequence.  
206X  
()  
5.  
Use the D button to move  
the units digit (indicator)  
hand clockwise and the B  
button to move the tens  
digit clockwise.  
Holding down either button  
will cause the hands to move  
at high speed. Once started,  
high-speed hand movement  
will continue even if you  
release the button. To stop  
high-speed hand movement,  
press any button.  
30  
The indicator hand will move  
to the last signal reception  
result (Yor N), then to  
READY(or Rfor some  
models), and then the city  
code of the currently selected  
Home City. Next, the second  
hand will move to 0(60for  
some models).  
6.  
Press C to change to the  
month setting.  
Second hand  
Indicator hand  
30  
Use the D button to move  
the indicator hand clockwise.  
30  
(+)  
30  
Check the 24-hour hand to make sure that the time is set  
properly (1:00 a.m. = 1 oclock, 1:00 p.m. = 13 oclock).  
20X0  
20X9  
20X1  
The watch will return to normal timekeeping automatically if  
you do not perform any operation for about two or three  
minutes. Any changes you have made to settings up to that  
point will be saved.  
Moves to the  
current month setting.  
20X8  
20X2  
20X7  
20X3  
20X6  
20X5  
20X4  
()  
7.  
Press the D button to  
move the indicator hand  
clockwise one month.  
9.  
Use the D (+) and B ()  
buttons to change the day  
setting in one-day  
increments.  
30  
30  
(+)  
Day  
Dec  
Nov  
Jan  
10. When everything is the  
way you want, press the  
A button.  
Oct  
Feb  
Sep  
Mar  
This will exit the setting  
procedure and reset the  
seconds count to zero.  
Press A to restart  
timekeeping on a time signal  
on the TV or radio.  
30  
Aug  
Apr  
Jul  
May  
Jun  
The day of the week is  
calculated automatically.  
In areas where date data can be received with the calibration  
signal, the watch will adjust automatically for leap years and  
months of different lengths. In areas where reception of a time  
calibration is not possible you will need to adjust the date  
manually for leap years and months of different length.  
8.  
Press C to change to the  
day setting.  
30  
7
 
Operation Guide 5012 (OC)  
24-hour hand  
Hour hand  
Minute hand  
Day of the week hand  
3.  
Press the C button.  
5.  
Press the C button.  
Home Position Adjustment  
This will cause the hour hand,  
minute hand, and 24-hour  
hand to move to their home  
positions.  
This causes the day of the  
week hand to move to its  
home position.  
If the indicator hand and second hand are both at their proper  
home positions, advance to step 3.  
If the time setting of your watch is not correct even though  
time calibration signal reception is being performed normally,  
use the procedure in this section to check the home positions  
of the hands and make adjustments as required.  
The watch will return to normal timekeeping automatically if you  
do not perform any operation for about two or three minutes. Any  
changes you have made to settings up to that point will be saved.  
Home Position  
Day of the week hand: 60  
Home Positions  
30  
Hour hand: 12 oclock  
Minute hand: 12 oclock  
24-hour hand: 24 oclock  
Note that you do not need to perform the following operation if  
your watch is showing the correct time.  
30  
If the indicator hand or second hand is not at  
its proper home position  
If the day of the week hand is at its proper home position,  
advance to step 7.  
Indicator hand  
If the hour, minute, and 24-nour hands all are at their proper home  
positions, advance to step 5.  
1.  
In the Timekeeping Mode,  
hold down the A button  
and then the C button for  
about three seconds.  
(Indicator hand)  
2.  
Adjust the applicable  
hand to its home  
position.  
If the day of the week hand is not at its proper  
home position  
If the hour and minute hands are not at their  
proper home positions  
Use the B button to  
adjust the indicator  
hand.  
The indicator hand will move  
to the second hand home  
position.  
()  
6.  
Use the D (+) and B  
() buttons to adjust  
the day of the week  
hand.  
()  
4.  
Use the D (+) and B  
() buttons to adjust  
the hand positions.  
Use the D button to  
adjust the second hand.  
The hands move  
30  
30  
Home Positions  
clockwise only. Keep  
pressing a button until  
the applicable hand is at  
its proper home position.  
Holding down either  
button will cause the  
hands to move at high  
speed. Once started,  
high-speed hand  
movement will continue  
even if you release the  
button. To stop high-  
speed hand movement,  
press any button.  
Indicator Hand: 12 oclock  
Second hand: 0 (60 on some  
models)  
Holding down either  
button will cause the  
hand to move at high  
speed. Once started,  
high-speed hand  
movement will continue  
even if you release the  
button. To stop high-  
speed hand movement,  
press any button.  
Second hand  
(Second hand)  
30  
30  
(+)  
(+)  
The 24-hour hand is synchronized with the hour and  
minute hands, so separate adjustment is not required.  
7.  
Press the C button.  
9.  
Press the A button to exit  
home position adjustment  
and return to normal  
timekeeping.  
This causes the day to move  
to its home position.  
If you press the C button  
instead of the A button, the  
watch will return to step 1  
(indicator hand and second  
hand home position  
Home Position  
Day: 1  
1
30  
Day  
adjustment) of this procedure.  
If the day is at its proper home position, advance to step 9.  
After completing home position adjustment, place the watch in  
a location where signal reception is good and perform Manual  
Receive.  
If the day is not at its proper home position  
For details about the manual receive procedure, see  
Manual Receive.  
8.  
Use the D (+) and B  
() buttons to adjust  
the day.  
()  
Holding down either  
button will cause the  
hands to move at high  
speed. Once started,  
high-speed hand  
1
(+)  
movement will continue  
even if you release the  
button. To stop high-  
speed hand movement,  
press any button.  
8
 

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