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Operation Guide 3179
3
• The watch is not in the
Timekeeping Mode.
• Your current Home City is not one
of the following: LIS, LON, MAD,
PAR, ROM, BER, STO, ATH,
MOW, HKG, BJS, TPE, SEL, TYO,
HNL, ANC, YVR, LAX, YEA, DEN,
MEX, CHI, NYC, YHZ, or YYT
• You changed the time setting
manually.
• The DST setting was changed
manually in the World Time Mode.
• You pressed a button while signal
receive was in progress.
• Even if receive is successful, the
RCVD indicator will disappear
from the display each day when
the first auto receive operation of
the day is performed.
• Time data (hour, minutes, seconds)
only was received during the last
receive operation. The RCVD
indicator appears only when time
data and date data (year, month,
day) are both received.
Cannot perform
manual receive.
Auto receive is
turned on, but
the RCVD
indicator does
not appear on
the display.
• Enter the Timekeeping
Mode and try again.
• Select LIS, LON, MAD,
PAR, ROM, BER, STO,
ATH, MOW, HKG, BJS,
TPE, SEL, TYO, HNL, ANC,
YVR, LAX, YEA, DEN,
MEX, CHI, NYC, YHZ,
or YYT 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.
What you should doProblem Probable Cause
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
• For further information, see “Important!” under “Time Calibration Signal Reception”
and “Radio-controlled Atomic Timekeeping Precautions”.
• If the time is one hour off, the DST
setting may be incorrect.
• The Home City code setting is not
correct for the area where you are
using the watch.
• Change the DST setting to
Auto DST.
• Select the correct Home
City code.
Time setting
is incorrect
following
signal
reception.
World Time
World Time shows the current time in 48 cities (31 time
zones) around the world.
• The times kept in the World Time Mode are
synchronized with the time being kept in the
Timekeeping Mode. If you feel that there is an error in
any World Time Mode time, check to make sure you
have the correct city selected as your Home City. Also
check to make sure that the current time as shown in
the Timekeeping Mode is correct.
• Select a city code in the World Time Mode to display the
current time in any particular time zone around the
globe. See the “City Code Table” for information about
the UTC differential settings that are supported.
Current time in
selected city
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, use the D (eastward) and B (westward) to scroll
through the city codes (time zones).
• Pressing the D and B at the same time will jump to the UTC time zone.
To toggle a city code time between Standard Time and Daylight Saving Time
1.In the World Time Mode, use D and B to display the
city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.
2.Hold down A to toggle between Daylight Saving Time
(DST indicator displayed) and Standard Time (DST
indicator not displayed).
• The DST indicator is shown on the World Time Mode
screen while Daylight Saving Time is turned on.
• Note that the Standard Time/Daylight Saving Time
setting affects only the currently displayed city code.
Other city codes are not affected.
• Note that you cannot switch between Standard Time
and Daylight Saving Time while UTC is selected as the
city code.
DST indicator
Alarms
The Alarm Mode gives you a choice of four one-time
alarms and one snooze alarm.
Also use the Alarm Mode to turn the Hourly Time Signal
(
SIG) on and off.
• There are five alarm screens numbered
AL1, AL2,
AL3 and AL4 for the one-time alarm, and a snooze
alarm screen indicated by
SNZ. The Hourly Time
Signal screen is indicated by
SIG.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
Alarm number
Alarm time
(Hour : Minutes)
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.
• To set a one-time alarm, display alarm screen AL1, AL2, AL3 or AL4.
To set the snooze alarm, display the
SNZ screen.
• The snooze alarm repeats every five minutes.
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 turns on the alarm automatically.
3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.
• With the 12-hour format, set the time correctly as a.m. or p.m. (P indicator).
5. Press A to exit the setting screen.
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in. In the case of the snooze alarm, the alarm operation is performed a total
of seven times, every five minutes, until you turn the alarm off.
• Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode time.
• To stop the alarm tone after it starts to sound, press any button.
• Performing any one of the operations below during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the
SNZ
setting screen
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm on and off
1. In the Alarm Mode, use D to select an alarm.
2. Press B to toggle it on and off.
• Turning on a alarm (
AL1, AL2, AL3, AL4 or
SNZ) displays the alarm on indicator on its Alarm Mode
screen.
• In all modes, the alarm on indicator is shown for any
alarm that currently is turned on.
• The alarm on indicator flashes while the alarm is
sounding.
• The snooze alarm indicator flashes while the snooze
alarm is sounding and during the 5-minute intervals
between alarms.
Alarm on indicator
ON
Snooze alarm
indicator
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select the Hourly Time
Signal (
SIG).
2. Press B to toggle it on and off.
• The Hourly Time Signal on indicator is shown on the
display in all modes while this function is turned on.
Hourly time signal
on indicator
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 23 hours, 59
minutes, 59.99 seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
1/100 second
Hours
Seconds
Minutes
To measure times with the stopwatch
Elapsed Time
Split Time
Two Finishes
D
Start
D
Start
D
Start
Stop Re-start Stop
D
D
D
Split
(SPL displayed)
Split release Stop
B
D
B
Split
First runner finishes.
Display time of first
runner.
Stop
Second runner
finishes.
Split release
Display time of
second runner.
D
B
B
B
B
B
➤➤➤
➤➤➤
➤➤➤
➤
➤
➤
Clear
Clear
Clear
Countdown Timer
You can set the countdown timer within a range of one
minute to 24 hours. An alarm sounds when the countdown
reaches zero.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Countdown End Beeper
The countdown end beeper lets you know when the
countdown reaches zero. The beeper stops after about 10
seconds or when you press any button.
Minutes
Seconds
Hours
To configure the countdown timer
1.While the countdown start time is on the display in the
Countdown Timer Mode, hold down A until the current
countdown start time starts to flash, which indicates the
setting screen.
• If the countdown start time is not displayed, use the
procedure under “To use the countdown timer” to
display it.
2.Press C to move the flashing in the sequence shown
below to select other settings.
Hours Minutes
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