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Operation Guide 3159
To turn auto receive on and off
1. In the Timekeeping Mode, press D to display the latest
successful receive time and date screen.
2. Hold down A until the current auto receive setting (ON
or OFF) starts to flash. This is the setting screen.
• Note that the setting screen will not appear if the
currently selected Home City is one that does not
support time calibration reception.
On/Off status
3. Press D to toggle auto receive on (ON) and off (OFF).
4. Press A to exit the setting screen.
• For information about city codes that support signal receive, see "To specify your
Home City".
To check the latest signal reception results
In the Timekeeping Mode, press D to view the latest
successful receive time and date. Press D again to
return to the previous screen.
• The watch also will return to normal timekeeping if you
do not perform any button operation for about one or two
minutes.
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
Problem
Probable Cause
• The watch is not in the
Cannot perform
manual receive.
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,
MIA, YTO, NYC, YHZ, or YYT
• A countdown timer operation is
in progress.
• You changed the time setting
Auto receive is
turned on, but
manually.
• The DST setting was changed
the RCVD
indicator does
manually in the World Time Mode.
• You pressed a button while
not appear on
the display.
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.
• If the time is one hour off, the
Time setting is
incorrect
DST setting may be incorrect.
• The Home City code setting is
following signal
reception.
not 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
World Time shows the current time in 48 cities (29 time
City code
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
Current time in
the Timekeeping Mode is correct.
selected city
• 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.
• 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).
• Pressing 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, press D to display the city
DST indicator
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.
What you should do
• 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, MIA, YTO,
NYC, YHZ, or YYT as your
Home City.
• Enter the Countdown Timer
Mode and stop the countdown.
• 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.
Alarms
The Alarm Mode gives you a choice of four one-time
Alarm number
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
AL3
and
AL4
alarm screen indicated by
Signal screen is indicated by
• All of the operations in this section are performed in the
Alarm time
(Hour : Minutes)
Alarm Mode, which you enter by pressing C.
To set an alarm time
1. In the Alarm Mode, press 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
To set the snooze alarm, display the
SNZ
• 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 A to toggle it on (
• Turning on a alarm (
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.
On/Off status
• The alarm on indicator flashes while the alarm is
Alarm on indicator
sounding.
• The snooze alarm indicator flashes while the snooze
Snooze alarm indicator
alarm is sounding and during the 5-minute intervals
between alarms.
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 A to toggle it on (
• The Hourly Time Signal on indicator is shown on the
display in all modes while this function is turned on.
On/Off status
Hourly time signal
on indicator
Stopwatch
The stopwatch lets you measure elapsed time, split times,
Hours
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.
Seconds
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
Minutes
1/100 second
elapsed time measurement.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
To measure times with the stopwatch
Elapsed Time
D
D
D
➤
➤
Start
Stop
Re-start
Split Time
D
A
A
➤
➤
Start
Split
Split release
(SPL displayed)
Two Finishes
D
D
➤
A
➤
Start
Split
Stop
First runner finishes.
Second runner
Display time of first
finishes.
runner.
AL1
,
AL2
,
for the one-time alarm, and a snooze
SNZ
. The Hourly Time
SIG
.
AL1
,
AL2
,
AL3
or
AL4
.
screen.
) and off (
).
AL1
,
AL2
,
AL3
,
AL4
or
).
) and off (
).
D
A
➤
➤
Stop
Clear
D
A
➤
➤
Stop
Clear
A
A
➤
➤
Split release
Clear
Display time of
second runner.
3
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