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Operation Guide 4765
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal reception.
Problem
Probable Cause
• The watch is not in the Timekeeping Mode.
Cannot perform
• Your current Home City is not one of
manual receive.
the following:
LIS, LON, MAD, PAR, ROM, BER, STO,
ATH, MOW, HKG, BJS, TPE, SEL, TYO,
HNL, ANC, YVR, LAX, YEA, DEN, MEX,
YWG, CHI, MIA, YTO, NYC, YHZ, or
YYT
• 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 Mode digitally displays the current time in
City code
48 cities (29 time zones) around the world.
• 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 reception 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.
• All of the operations in this section are performed in the
Current time in
World Time Mode, which you enter by pressing C.
selected city
To view the time in another city
While in the World Time Mode, press D to scroll through the city codes (time zones)
to the east.
• 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
indicator displayed) and Standard Time (DST indicator
not displayed).
DST indicator
• 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 will appear 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.
Countdown Timer
You can set the countdown timer within a range of one to
Seconds
60 minutes. An alarm sounds when the countdown
reaches zero.
• Calibration signal reception (both auto and manual) is
disabled while a countdown timer operation is in
progress.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Minutes
To set the countdown start time
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. While a setting is flashing, use D (+) and B (–) to change it.
3. Press A to exit the setting screen.
To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached, the alarm sounds for 10 seconds or until
you stop it by pressing any button. The countdown time is automatically reset to its
starting value after the alarm stops.
• Press D while a countdown operation is in progress to pause it. Press D again to
resume the countdown.
• To completely stop a countdown operation, first pause it (by pressing D), and then
press A. This returns the countdown time to its starting value.
Stopwatch
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, YWG, CHI, MIA,
YTO, NYC, YHZ, or YYT as
your Home City.
• Change the DST setting to
Auto DST.
To measure times with the stopwatch
• Select the correct Home City
code.
Elapsed Time
D
Start
Split Time
D
Start
Two Finishes
D
Start
Alarm
On/Off status
Hourly Time Signal Screen
To set the alarm time
Alarm Operation
The alarm sounds at the preset time for about 10 seconds, regardless of the mode the
watch is in.
• To stop the alarm tone after it starts to sound, press any button.
• Alarm and Hourly Time Signal operations are performed in accordance with the
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn the alarm and the Hourly Time Signal on and off
Alarm on indicator
Illumination
The stopwatch lets you measure elapsed time, split times,
1/100 second
and two finishes.
• The display range of the stopwatch is 59 minutes, 59.99
Seconds
seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• All of the operations in this section are performed in the
Minutes
Stopwatch Mode, which you enter by pressing C.
➤
D
➤
D
Stop
Re-start
A
A
➤
➤
Split
Split release
(
displayed)
➤
A
➤
D
Split
Stop
First runner
Second runner
finishes.
finishes.
Display time of
first runner.
When the alarm is turned on, the alarm sounds when the
alarm time is reached. You can also turn on an Hourly
Time Signal, which will cause the watch to beep twice
2 seconds
every hour on the hour.
• When the alarm is turned on, the alarm screen
alternates between ALON (alarm on) and the current
alarm time (hour and minutes). When the alarm is off,
ALOF (alarm off) remains on the alarm screen.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
Alarm Screen
• Pressing D in the Alarm Mode toggles between the
L
alarm screen and Hourly Time Signal screen.
Press D.
1. In the Alarm Mode, press D to display the alarm
Alarm time
screen.
(Hour : Minutes)
2. 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. 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.
• 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).
5. Press A to exit the setting screen.
Timekeeping Mode digital time.
1. In the Alarm Mode, press D to select the alarm or the
On/Off status
Hourly Time Signal screen.
2. Press A to toggle the currently selected function on
(ON displayed) and off (OF displayed).
• The alarm on indicator and the Hourly Time Signal on
indicator remain on the display in all modes while these
functions are turned on.
Hourly time signal
on indicator
An LED (light-emitting diode) and light guide panel
illuminate the digital display for easy reading in the dark.
• See "Illumination Precautions" for other important
information.
To turn on illumination
In any mode (except when a setting is on the display),
press B to illuminate the display.
➤
D
➤
A
Stop
Clear
➤
D
➤
A
Stop
Clear
A
➤
A
➤
Split release
Clear
Display time of
second runner.
3
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