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TIME CALIBRATION SIGNAL RECEPTION
This watch is designed to pick up a time calibration signal that is being transmitted
from Mainflingen, Germany and update its time setting in accordance with the signal.
There are two different methods you can use to receive the signal: auto receive and
manual receive. With auto receive, the watch automatically receives the calibration
signal twice each day and makes appropriate adjustments. With manual receive, you
perform a specific button operation to receive the calibration signal.
Important!
• If you are using the time calibration signal to set the time for this watch, be sure to
correctly set your home city. Otherwise, there is the chance that the watch will not
set the correct time. See the "To set your home city data" for details.
• Time calibration reception is limited to specific geographic areas in Europe. See
"Time calibration signal reception precautions" for details.
• The current time setting in accordance with the time calibration signal takes priority
over any time settings you make.
• The watch is designed to automatically update the date and day of the week for the
period January 1, 1995 to December 31, 2039. Setting of the date by the time
calibration signal cannot be performed starting from January 1, 2040.
• This watch can receive signals that differentiate between leap years and non-leap
years.
• After the watch successfully receives time calibration signal data, it first applies it to
adjust the digital time setting and then adjusts the analog setting to match the digital
time. If, for any reason, the digital time does not match the analog time, use the
procedure described under "HAND SETTING MODE" to match the analog setting
with the digital display.
• Auto receive is turned on when the watch is shipped from the factory.
To set your home city data
You can make Auto Receive on/off, DST (daylight saving time), and GMT differential
settings for your home city (the city where you normally use the watch). This data can
be changed any time you move to another geographic area.
1. Press B while in the Timekeeping Mode. The current
L
A
Auto Receive on/off setting flashes on the display
because it is selected .
B
• The receive indicator flashes along with the current on
(
ON
P
C
D
2. Press D to toggle Auto Receive on and off.
3. Press C to change to another selection in the following
Receive indicator
sequence.
Auto
DST
Receive
CNT
Date
Month
4. Press C until the DST indicator is flashing on the display along with the current
auto receive setting (
,
AUTO
ON
•
AUTO
Setting
Daylight saving time is activated and cancelled automatically in accordance with
time calibration signal data. Use this setting if you plan to use the watch in an
area where the daylight saving time period starts and ends on the dates used in
Germany.
•
ON
Setting
One hour is added to the current time indicated by the time calibration signal and
adjusted in accordance with the GMT time differential setting you make.
•
OFF
Setting
Daylight saving time is not applied.
5. Use the A and D buttons to change the DST setting in the sequence shown
below.
Press D.
AUTO
Press A.
6. After making the setting you want, press C until the
the display.
• The value to the right of the
GMT
Greenwich Mean Time. This value is based on standard times only, and it does
not allow for daylight saving time (summer time).
7. Use the A and D buttons to change the GMT differential setting in the sequence
shown below.
Press D.
GMT+1
Press A.
8. After making all the home city settings you want, press B to return to the
Timekeeping Mode.
Time calibration signal reception precautions
• This watch is able to receive the time calibration signal
being transmitted from Mainflingen, Germany (located
25 kilometers southeast of Frankfurt). Signal reception is
possible within the area represented by a circle with a
radius of about 1200 kilometers.
• Even when the watch is within the reception range,
signal reception is impossible if the signal is blocked by
mountains or other geological formations between the
watch and signal source.
• Signal reception is affected by weather, atmospheric
Frankfurt
conditions, and seasonal changes.
• At long distances that are out of the line of sight of the signal transmitter, the signal
is bounced off of the ionosphere. Because of this, such factors as changes in the
reflectivity of the ionosphere, as well as movement of the ionosphere to higher
altitudes due to seasonal atmospheric changes or the time of day may change the
reception range of the signal and make reception temporarily impossible.
) /off (
) setting.
OFF
GMT
Language
differential
Year
Minutes
, or
).
OFF
ON
OFF
GMT
indicator appears on
indicator is the time differential from
GMT+2
GMT+0
Nearby TVs, refrigerators, computers, or other household appliances.
Far away from broadcasting stations, among ferro-concrete structures or near
mountains.
Underground, in tunnels or in ferro-concrete buildings.
Near high-tension wires, neon signs, or radio stations with interfering frequencies.
Near railroads, highways or airports.
In trains or cars.
• Radio interference can cause incorrect signal reception.
• Strong electrostatic charge can result in the wrong time being set.
• The analog hands do not move during signal reception. The analog hand setting is
changed based on the digital time setting after the time calibration signal is
successfully received.
• The daily alarm and hourly time signal do not operate during signal reception.
• The receive indicator (
function is in progress.
• 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 temprature.
• The watch initially changes the digital time setting to match the data (German time)
received in the time calibration signal. Next, it adjusts the received time in
accordance with the GMT differential setting. Finally, the analog hands are adjusted
in accordance with the digital time setting.
To perform manual time calibration signal reception
L
B
C
Receive indicator
12/24-Hour
Format
Seconds
Hour
About Auto Receive
When auto receive is turned on, the watch automatically starts to receive the time
calibration signal when the digital time in the Timekeeping Mode reaches 2:00 AM and
4:00 AM each day (calibration times).
• The Auto Receive operation is performed only if the watch is in the Timekeeping
Mode or World Time Mode when one of the calibration times is reached. It is not
performed if the time is reached while you are making settings (while settings are
flashing on the display).
• Auto receipt of the calibration signal is designed to be performed early in the
morning, while you sleep (provided that the digital time is set correctly). Before going
to bed for the night, remove the watch from your wrist, and put it in a location where
it can easily receive the signal.
• The receive indicator (
time receipt attempts were successful.
• When auto receive is turned on, the watch receives the calibration signal for 8 to 15
minutes each day when the digital time reaches 2:00 AM and 4:00 AM. Do not
operate any of the watch's buttons within 15 minutes prior to or following the
calibration times. Doing so can interfere with correct calibration.
• Remember that receipt of the calibration signal depends on the time shown on the
digital display. The receive operation will be performed whenever the digital display
shows 2:00 AM and 4:00 AM, regardless of whether or not that is actually the correct
time.
• When both receipts are successful, the watch uses the data of the second receipt
for calibration. When only one receipt is successful, the watch uses the data of the
successful receipt.
• If an auto receive operation results in a wrong time or date setting (which can be
caused by radio interference or electromagnetic waves), try again using the manual
receive operation.
To turn auto receive on and off
1. Press B while in the Timekeeping Mode. The current Auto Receive on/off setting
flashes on the display because it is selected .
• The receive indicator flashes along with the current on (
2. Press D to toggle Auto Receive on and off.
3. Press B to return to the Timekeeping Mode.
Last signal receipt display
L
B
C
• This watch is designed to receive the signal transmitted
from Mainflingen. This means that reception is best
when the antenna built into the 12 o'clock edge of the
watch is facing towards Mainflingen. Note, however, that
moving the watch while the time calibration signal
receive operation is taking place will make stable
reception impossible.
• Proper signal reception can be difficult or even
impossible under the conditions listed below. When
receiving indoors, move to a location as near as
possible to a window. Think of the watch as acting like a
TV or radio when it is receiving the signal.
) flashes on the digital display while a signal receive
1. In the Timekeeping Mode, hold down A until the
A
figures in the digital display are cleared (about three
seconds).
2. Release A to start time calibration signal reception,
which is indicated by the flashing receive indicator.
D
• Time calibration signal reception takes from 8 to 15
minutes.
• When the receive operation is successful, the
message
LAST RECEIPT
display together with the received time and date for
about one or two minutes. Next, the watch returns to
the Timekeeping Mode.
• When the receive operation is unsuccessful, the
message
ERROR
appears on the display together
with the date and time of the last successful receipt
for about one or two minutes. Next, the watch returns
to the Timekeeping Mode.
• Pressing A while the
LAST RECEIPT
ERROR
message is on the display returns to the
Timekeeping Mode.
• To interrupt a receive operation and return to the
Timekeeping Mode, press A.
) indicates that at both or at least one of the last calibration
In the Timekeeping Mode, press A to display the date and
time of the last successful receipt.
A
• The last receipt data remains on the display for about
one or two minutes or until you press A again to return
to the Timekeeping Mode.
D
2369-2
appears on the
or
ON
) /off (
OFF
) setting.