Operation Guide 5235 (OC)
E-23
Confi guring Current Time and Date Settings Manually
You can confi gure current time and date settings manually when the watch is unable to receive a time
calibration signal.
To change the current time setting manually
Pull out the crown.
1.
This will cause the
x
x
Second Hand
to move to the city code of the
currently selected Home City.
If you do not perform any operation with the crown for about two minutes
x
after pulling it out, crown operations will become disabled and the hand
will not move if you rotate the crown. If this happens, push the crown back
in and then pull it out again.
Change the Home City setting, if you want.
2.
To change the Home City setting, perform step 2 under “To confi gure
x
Home City Settings” (page E-19).
Hold down
3.
B
for about two seconds. This will enter the time setting mode.
The
x
x
Second Hand
will indicate whether the current time is a.m. (by
moving to second 57) or p.m. (by moving to second 03).
In the following steps, each press of
x
B
cycles between settings as shown
below.
@
TOKYO (TYO)
+
@
B
E-22
A
Switching between STD and DST
+
B
@
Hold down
3.
A
for about one second until the
x
Second Hand
moves to
MNL
(manual), and then moves
to
STD
or
DST
.
If
−
STD
is indicated, the watch will always show standard time.
If
−
DST
is indicated, the watch will always show summer time.
If you do not perform any operation for about two more seconds, the
x
x
Second Hand
will return to
the Home City code. Perform step 4 below while the
x
Second Hand
is indicating
STD
or
DST
.
Press
4.
A
to move the
x
Second Hand
between
STD
and
DST
.
To switch from
x
STD
or
DST
to
AUTO
, hold down
A
for about one second.
After the setting is way you want, push the crown back in.
5.
E-21
To switch between standard time and summer time manually
@
+
B
A
1 sec
Switching between AUTO and STD (or DST)
Perform steps 1 and 2 under “To confi gure Home City settings” (page E-19).
1.
Selecting a city code will cause the
x
z
Hour Hand
,
c
Minute Hand
and
v
Day Indicator
to move
automatically to the current time for the selected city code.
If you will use the watch in a city that is not included in the city code list, select a city code that is in
x
the same time zone as your city.
Press
2.
A
.
Entering the Home City setting mode will cause the
x
x
Second Hand
to move to
AUTO
(auto
switching),
STD
(standard time manual setting), or
DST
(summer time manual setting).
If
−
STD
or
DST
is indicated, go directly to step 4 of this procedure.
If
−
AUTO
is indicated, proceed to step 3.
E-20
STD/DST Switching
You can select summer time or standard time independently for each city. The initial default setting for all
cities is
AUTO
.
Normally you should use the
AUTO
setting because it automatically switches between summer time
and standard time. You should change the setting to
STD
(standard time) or
DST
(summer time) in the
following cases.
When using the watch in a city not included in the City Code Table
−
When the switching dates in your location are different from those shown in the City Code Table
−
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.
Note that the
x
x
Second Hand
always points to
AUTO
while
UTC
* is selected as your Home City.
Coordinated Universal Time, the world-wide scientifi c standard of timekeeping. The reference point for
*
UTC is Greenwich, England.
E-19
Confi guring Home City Settings
The Home City is location where you will normally use the watch. You can choose from a selection of city
codes that represent 29 cities around the globe.
To confi gure Home City settings
Note
This watch does not have a city code that corresponds to Newfoundland.
x
Pull out the crown.
1.
This will cause the
x
x
Second Hand
to move to the city code of the
currently selected Home City.
This indicates the city code setting mode.
x
If you do not perform any operation with the crown for about two minutes
x
after pulling it out, crown operations will become disabled and the hand
will not move if you rotate the crown. If this happens, push the crown
back in and then pull it out again.
For details about city codes, see the “City Code Table” at the back of
x
this manual.
Rotate the crown to move the
2.
x
Second Hand
to the city code you want to
select as your Home City.
Each time you select a city code, the
x
z
Hour Hand
,
c
Minute Hand
and
v
Day Indicator
move to the current time and date for that city code.
Push the crown back in to return to regular timekeeping.
3.
@
TOKYO (TYO)
>
@
+
B
E-18
Function and Button Operation Guide
Your watch can perform the following functions and button operations.
Functions:
See:
View the current time in your Home City and in one of 29 other cities around the globe
x
View the current date in the Home City
x
Confi gure Home City and daylight saving time (DST) settings
x
Perform a time calibration signal receive operation
x
Confi gure time and date settings manually
x
E-19
To check the last receive result, press
x
B
once (page E-16).
To perform manual receive, hold down
x
B
for at least two seconds (page E-15).
To toggle between standard time and summer time, press
x
A
(page E-21).
E-17
Radio-controlled Atomic Timekeeping Precautions
Strong electrostatic charge can result in the wrong time setting.
x
Even if a receive operation is successful, certain conditions can cause the time setting to be off by up
x
to one second.
The watch is designed to update the date automatically for the period from January 1, 2000 to
x
December 31, 2099. Updating of the date by signal reception will no longer be performed starting from
January 1, 2100.
If you are in an area where signal reception is not possible, the watch keeps time with the precision
x
noted in “Specifi cations” (page E-34).
The receive operation is disabled under any of the following conditions.
x
While power is at Level 2 or lower (page E-8)
−
While the watch is in the power recovery mode (page E-9)
−
While the watch is in the function sleep state (power saving, page E-10)
−
E-16
To check the result of the latest receive operation
Press
B
.
The
x
x
Second Hand
will move to
YES
(
Y
) if the latest receive operation
was successful, or
NO
(
N
) if it was not. After about ten seconds, regular
timekeeping will resume.
You can return to regular timekeeping manually by pressing
x
B
while the
x
Second Hand
is pointing to
YES
(
Y
) or
NO
(
N
).
Note
The
x
x
Second Hand
will indicate
NO
(
N
) if you have adjusted the time or
date setting manually since the latest receive operation.
To turn auto receive on and off
Press
1.
B
.
Pull out the crown.
2.
The
x
x
Second Hand
will perform one full revolution and then stop at either
YES
(
Y
) or
NO
(
N
) to indicate the current on/off setting.
Rotate the crown to move the
3.
x
Second Hand
to the setting you want.
To turn on auto receive, select
x
YES
(
Y
).
To turn off auto receive, select
x
NO
(
N
).
Push the crown back in to return to regular timekeeping.
4.
@
@
NO (N)
YES (Y)