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Operation Guide 5142
E-49
STD-AT
When a transmitted daylight saving time signal is received, switches to
daylight saving time (DST-AT) automatically.
DST-AT
When a transmitted standard time signal is received, switches to standard
time (STD-AT) automatically.
STD
Even if a transmitted daylight saving time signal is received, standard time
(STD) setting does not change.
DST
Even if a transmitted standard time signal is received, daylight saving time
(DST) setting is not changed.
The initial default setting is x STD-AT when any one of the following city codes is
selected as the Home City code: LON (LONDON), PAR (PARIS), ATH (ATHENS),
NYC (NEW YORK), CHI (CHICAGO), DEN (DENVER), LAX (LOS ANGELES), ANC
(ANCHORAGE), or TYO (TOKYO).
For information about manually overriding the time calibration STD/DST setting, see
x
“To manually override a time calibration standard time/daylight saving time setting”
(page E-53).
E-48
After the settings are the way you want, push the crown back in to return to the 5.
Timekeeping Mode. Next, lock the crown.
Rotating the ring without pushing it down as far as it will go will change the
x
settings of the watch. When locking the crown, be sure to press down fi rmly on
the ring as you rotate it.
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.
The time calibration signals transmitted from Mainfl ingen (Germany), Anthorn
(England), or Fort Collins (the United States) include both Standard Time and DST
data.
Note that an
x AT setting (STD-AT or DST-AT) will be indicated only if the currently
selected city code is one that supports time calibration signal reception. While
AT is selected, the watch will switch between STD and DST automatically in
accordance with time calibration signal data.
E-47
Press 4. A to toggle the currently selected city code
between standard time and daylight saving time.
In the city code setting mode, the
x
v
Mode Disk
indicates STD (standard time) or DST (daylight
saving time).
Note that an
x AT setting (STD-AT or DST-AT) will be
indicated only if the currently selected city code is
one that supports time calibration signal reception.
While
x AT is selected, the watch will switch between
STD and DST automatically in accordance with time
calibration signal data.
The initial default setting is
x STD-AT when any one of the following city codes is
selected as the Home City code: LON (LONDON), PAR (PARIS), ATH (ATHENS),
NYC (NEW YORK), CHI (CHICAGO), DEN (DENVER), LAX (LOS ANGELES),
ANC (ANCHORAGE), or TYO (TOKYO).
For details about the Daylight Saving Time setting, see “Daylight Saving Time
x
(DST)” (page E-48).
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E-46
If you do not perform any operation with the crown x
for about three minutes after pulling it out, crown
operations will become disabled and the watch
hands will no longer move when 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
x
Table” at the back of this manual.
Rotate the crown to move the 3.
x
Second Hand to the
city code you want to select as your Home City.
Each time you change to a different city code, the
x
z
Hour Hand,
c
Minute Hand, and
n
Day move
to the current time and date for that city code. Also,
the
v
Mode Disk rotates until the mode pointer is
pointing at STD, STD-AT, DST, or DST-AT (see step
4 of this procedure below).
@
+
6
B
>
E-45
Confi guring Home City Settings
There are two Home City settings: actually selecting the Home City and selecting
either standard time or daylight saving time (DST).
To confi gure Home City settings
Note
This watch does not have a city code that
x
corresponds to Newfoundland.
Press and hold the crown button (without unlocking 1.
the crown) for at least two seconds.
This will enter the Timekeeping Mode (page E-42).
x
Unlock the crown and then pull it out.2.
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
@
TYO (TOKYO)
E-44
Timekeeping
Use the Timekeeping Mode to set and view the current time and date. To enter the
Timekeeping Mode from another mode, press and hold the crown button (without
unlocking the crown) for at least two seconds.
Hands and Indicators
z
Hour Hand
x
Second Hand
c
Minute Hand
v
Mode Disk: TM aligned with mode pointer.
n
Day
+
6>
@B
E-43
From any other mode, hold down C for about two seconds to enter the Stopwatch
LAP Mode. The
v
Mode Disk will rotate until the lap pointer points at the current lap
number (1 through 5, or
).
To return to the Timekeeping Mode, hold down C or the crown button for about two
seconds.
E-42
>
Timekeeping Mode
Stopwatch Split Mode
(Elapsed time and
split times)
Alarm Mode Countdown Timer Mode
Mode pointer points to TM.
Mode pointer points to ST.
Then
v
Mode Disk rotates
until the split pointer points
to STP (stopped) or RUN
(running).
Mode pointer points to AL. Mode pointer points to TR.
Press the crown
button. (No need to
unlock crown.)
World Time Mode
Mode pointer points to WT.
E-41
To select a mode
Each press of the crown button cycles through the modes in the sequence shown
below. The
v
Mode Disk rotates so the selected mode is indicated by the mode
pointer.
Movement of the
v
Mode Disk may cause the watch hands to move slightly. This is
due to fi ne adjustment of hand positions and does not indicate malfunction.
E-40
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch’s current mode
Check what the mode pointer is indicating on the
v
Mode
Disk as shown under “To select a mode” (page E-41).
To return to the Timekeeping Mode from any other
mode
Press and hold the crown button (without unlocking the
crown) for at least two seconds.
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