Operation Guide 4757
3
Timekeeping
Use the Timek
also explains how to set the current date and time man
• If you become confused and lose y
put the watch down and do not perf
minutes.
normal one-second movement of the second hand) automatically
try performing the manual setting procedure again from the beginning.
• All of the operations in this section are perf
you enter bC.
Hour hand
Minute hand
Day of week
Second hand
Press B.
Time zone
B
B
Date
Press C.
Auto Receive
Month
Hour
Seconds
Time zone
Minutes
DST
Year
T
1. In the B until the Time
Zone starts to flash, which indicates the setting screen.
• The analog hands do not move in the setting screen.
2. Press C to cycle through settings in the sequence shown
below
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
3. Select the setting you want to change, and then use A to change it as shown
below
Screen Do this:
Press A.
Press A .
Press A.
Press A.
Press A.
Press A.
Press A.
T
Cycle through time zones
T
), Standard ), or
Daylight Sa )
Reset the seconds to
Change the hour
Change the minutes
Change the year
Change the month
• For full inf“ Time Zone ”.
• When setting the day30 and 31 ) that are
not included in the currently selected month.’ t select 30 or 31 when y
want to
4. Press B to exit the setting screen.
•
This will cause the hands to mov
•
The current time will be shown on the digital displa
•
It can take as long as about 11 min
setting.
Change the day
T ) and off ( )
(This setting is possible only for time z
time calibration signal reception.)
Press A.
Press A.
Note
• The auto receiv“About
Auto Receiv” for details
Daylight Saving
Daylight Sa
Standard Time
Saving Time.
The time calibration signals include both Standard
DST setting is turned on, the watch switches between Standard
(summer time) automatically in accordance with the signals.
• The default DST setting is A
) whenever y+0 , +1 or +2 as your
Home Time
• Auto DST (
) can be selected only while +0, +1 or +2 is selected as the Home
Time Zone.
• If you e
probably best to s
time) manually
T
1.B until the currently selected time zone
appears on the display
2.C and the DST setting screen appears.
3.A to cycle through the DST settings in the sequence shown below
4.B to e
Auto DST ( ) DST on (
)
)
Scrolling
A is used in various modes and setting screens to scroll through data.
holding down A during a scroll operation scrolls through the data at high speed.
Radio-controlled Atomic
• Stron
• The time calibration signal is bounced off the ionosphere.
as changes in the reflectivity of the ionosphere, as well as mo
to higher altitudes due to seasonal atmospheric changes or the time of day ma
the reception range of the signal and make reception tempor
• Even if the time calibration signal is received properly
the time setting to be off by up to one second.
• The current time setting in accordance with the time calibration signal takes priority
over any time settings y
• The watch is designed to update the date and day of the week automatically for the
period January 1, 2000 to December 31, 2099. Setting of the date b
signal cannot be performed starting from January 1, 2100.
• This watch can receive signals that differentiate between leap y
years.
• Though this watch is designed to receive both time data (hour
date data (year
only
• If you are in an area where proper time calibration signal reception is impossible, the
watch keeps time within ±20 seconds a month at normal temperature.
• If you have problems with proper time calibr
is wrong after signal reception, check y
auto receive settings
Time zone
DST (summer time)
Auto receiv
Setting Initial Factory Default
(GMT+1)
(Auto s
(Auto receiv
T
This watch is designed to receive the time calibration signal tr
Mainflingen, Germany and the signal from Rugby
watch to automatically select the transmitter that has the strongest signal.
In this case:
The first signal auto search operation
after factory default settings are in eff
or after the time zone has been changed
Any case other than the abov
The watch does this:
1.
2. If the Mainflingen signal cannot be
received, chec
1. Checks the last successfully received
signal first.
2. If the last successfully received signal
cannot be received, chec
signal.
Timekeeping
• Resetting the seconds to 00 while the current count is in the range of 30 to 59 causes
the minutes to be increased by 1.00
without changing the minutes.
• The year can be set in the r
• The watch ’s built-in full automatic calendar makes allowances f
and leap years.
after you hav’ s battery replaced.
• The current time f
with the Greenwich Mean
Time Zone time setting.
• GMT differential is calculated b
(UTC*) data.
* UTC is the wor
maintained atomic (cesium) clocks that k
Leap seconds are added or subtracted as necessary to keep UTC in sync with the
Earth’s rotation.
Illumination Precautions
An LED (light-emitting diode) illuminates the f
dark.A to illuminate
the face of the w
• The illumination provided by the light may be hard to see when vie
sunlight.
• Illumination automatically tur
• Frequent use of illumination can shorten the batter
Reference
This section contains more detailed and technical information about watch operation.
also contains important precautions and notes about the various features and functions
of this watch.
Auto Return Features
• The watch automatically returns to the Timek
button operation f
• The watch automatically returns to the Timek
button operation f
Mode.
• If you do not perf
selected, the watch will e
