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Operation Guide COMBIWAVE1
Note
• 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 a calibration time is reached while an alarm is sounding, or while you
are configuring 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 Timekeeping Mode 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.
• When auto receive is turned on, the watch receives the calibration signal for two to
six minutes everyday when the digital time in the Timekeeping Mode reaches each
of the calibration times. Do not perform any button operation within six minutes
before or after any one of the calibration times. Doing so can interfere with correct
calibration.
• Remember that reception of the calibration signal depends on the time kept in the
digital display. The receive operation will be performed whenever the display shows
any one of the calibration times, regardless of whether or not the displayed time is
actually the correct time.
• When two, three, or four receptions are successful, the watch uses the data of the
last reception for calibration. When only one reception is successful, the watch uses
the data of the successful reception.
About the Receiving Indicator
The receiving indicator shows the strength of the calibration signal being received. For
best reception, be sure to keep the watch in a location where signal strength is
strongest.
Receiving indicator
Weak
(Level 1)
• Even in an area where signal strength is strong, it takes about 10 seconds for signal
reception to stabilize enough for the receiving indicator to indicate signal strength.
• Use the receiving indicator as a guide for checking signal strength and for finding the
best location for the watch during signal receive operations.
• Following reception of the time calibration signal and calibration of the watch's time
setting, the Level 4 receiving indicator will remain on the display in all modes. The
Level 4 receiving indicator will not be displayed if signal reception was unsuccessful
or after you adjust the current time setting manually.
• The Level 4 receiving indicator is displayed only when the watch is able to
successfully receive both time and date data. It does not appear when only time data
is received.
• The Level 4 receiving indicator indicates that at least one of the auto calibration
signal receive operations was successful. Note, however, that the Level 4 receiving
indicator is cleared from the display at 3:00 a.m. each day.
To perform manual receive
1. Place the watch on a stable surface so its top (12
o'clock side) is facing towards a window.
Receiving indicator
2. In the Timekeeping Mode, hold down D for about two
seconds until the watch beeps.
3. Release D and the current time flashes to indicate that
signal reception has started.
• Time calibration signal reception takes from two to six
minutes. Take care that you do not perform any button
operations or move the watch during this time.
• After signal reception is complete, the display of the
watch changes to the Last Signal screen.
Note
• To interrupt a receive operation and return to the Timekeeping Mode, press D.
• If the receive operation is unsuccessful, the message
for about one or two minutes. After that, the watch returns to the Timekeeping Mode.
• You can also change from the Last Signal or
timekeeping screen by pressing D.
To turn auto receive on and off
1. In the Timekeeping Mode, hold down A until the
transmitter indicator starts to flash, which indicates the
On/off status
setting screen.
2. Press C three times to move the flashing to the auto
receive on/off setting.
3. Press D to toggle auto receive on (ON) and off (OF).
• If the current Home City setting is a city code that
does not support signal receive, "xx" appears in
place of the on/off indicator. This means you cannot
turn auto receive on or off.
4. Press A twice to exit the setting screen.
• For information about city codes that support signal
receive, see "To set your Home City".
To display the digital time and Last Signal screen
• In the Timekeeping Mode, press A to cycle through the digital time screens as
shown below.
• In the Timekeeping Mode, press D to display the Last Signal screen (indicated by
GET
). The Last Signal screen shows the date and time of the last successful time
calibration signal reception.
Month – Day
Hour: Minutes Seconds
Press A.
A
Day of week
L
Receive date
Alternate at two-
Press D.
second interval
Last Signal Screen
Strong
(Level 4)
ERR
appears on the display
ERR
screen to the normal
Month – Day
A
Seconds
Receive time
Signal Receive Troubleshooting
Check the following points whenever you experience problems with calibration signal
reception.
Problem
Probable Cause
• The watch is not in the Timekeeping Mode.
Cannot perform
• Your current Home City is not one of the
manual receive.
following city codes:
LAX, DEN, CHI, or NYC.
• You changed the time setting manually.
Auto receive is
• The watch was not in the Timekeeping
turned on, but
the Level 4
or World Time Mode, or you performed
receiving
some button operation during the auto
indicator does
receive operation.
• Even if receive is successful, the Level 4
not appear on
the display.
receiving indicator disappears every day
at 3 am.
• Time data (hour, minutes, seconds) only
was received during the last receive
operation. The Level 4 receiving
indicator appears only when time data
and date data (year, month, day) are
both received.
• If the time is one hour off, the DST
Time setting is
incorrect
setting may be incorrect.
• The Home City code setting is not
following signal
reception.
correct for the area where you are using
the watch.
• For further information, see "Important!" under "Time Calibration Signal Reception"
and "Radio-controlled Atomic Timekeeping Precautions".
World Time
The World Time shows the current time in 30 cities (29
Current time in the
time zones) around the world.
selected city code
• If the current time shown for a city is wrong, check your
Home City time settings and make the necessary
changes.
• The watch will perform a signal receive operation even if
it is in the World Time Mode when a calibration time is
reached. If this happens, the World Time Mode time
settings will be adjusted in accordance with the
Timekeeping Mode's Home City time.
City Code
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
To view the time in another city
While in the World Time Mode, press D to scroll through the city codes (time zones).
• For full information on city codes, see the "City Code Table".
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use D to display the city code
(time zone) whose Standard Time/Daylight Saving Time
setting you want to change.
2. Hold down A to toggle Daylight Saving Time (DST
DST indicator
displayed) and Standard Time (DST not displayed).
• Note that you cannot use the World Time Mode to
change the DST setting of the Home City code you
currently have selected in the Timekeeping Mode. See
"To change the Daylight Saving Time (summer time)
setting" for information about turning the Home City
code DST setting on and off.
• The DST indicator is on the display whenever you display a city code for which
Daylight Saving Time is turned on.
• Note that the DST/Standard Time setting affects only the currently displayed city
code. Other city codes are not affected.
Alarms
The Alarm Mode gives you a choice of four one-time
Alarm time
alarms and one snooze alarm. One of the one-time
(Hour : Minutes)
alarms functions as a "target alarm," which counts the time
remaining from the current Home City time to the target
alarm time.
Also use the Alarm Mode to turn the Hourly Time Signal
on and off.
• There are five alarms named
Alarm name
(target alarm), and
snooze alarm only. Alarms
TAL
can be used as one-time alarms only.
• Alarm settings (and Hourly Time Signal settings) are
available in the Alarm Mode, which you enter by
Hourly Time
pressing C.
Signal Screen
To set an alarm time
1. In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
AL1
SIG
2. After you select an alarm, hold down A until the hour setting of the alarm time
starts to flash, which indicates the setting screen.
• This operation automatically turns on the alarm.
3. Use C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (P indicator).
What you should do
• Enter the Timekeeping Mode
and try again.
• Select LAX, DEN, CHI, or
NYC as your Home City.
• Perform manual signal receive
or wait until the next auto
signal receive operation is
performed.
• Check to make sure the watch
is in a location where it can
receive the signal.
• Change the DST setting to
Auto DST.
• Select the correct Home City
code.
AL1
AL2
AL3
TAL
,
,
,
SNZ
SNZ
. You can configure
as a
AL1
,
AL2
,
AL3
, and
AL2
AL3
SNZ
TAL
2
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