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Operation Guide 5161
Problem
Probable Cause
• Even if reception is successful
Auto receive is
turned on, but
on a particular day, the receive
the receive
successful indicator will
successful
disappear when the first auto
indicator does
receive operation is performed
not appear on
on the following day.
• Time data (hour, minutes,
the display.
seconds) only was received
during the last receive
operation. The receive
successful indicator appears
only when time data and date
data (year, month, day) are both
received.
E-30
World Time
World Time shows the current time in 29 cities (29 time
zones) around the world.
• The times kept in the World Time Mode are
World Time
synchronized with the time being kept in the
Mode indicator
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.
• The World Time Mode indicator is displayed in the World
Time Mode.
Current time in
• Select a city code in the World Time Mode to display the
selected city
current time in any particular time zone around the
globe. See the "City Code Table" at the back of this
manual for information about the UTC differential
settings that are supported.
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To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use C 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
DST indicator
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.
• Selecting Daylight Saving Time for the city that is
currently selected as the Home City, will also apply
Daylight Saving Time to the Timekeeping Mode time.
• Note that you cannot switch between Standard Time
and Daylight Saving Time while UTC is selected as the
city code.
E-34
To set an alarm time
Alarm number
About 1 second
1. In the Alarm Mode, use C to scroll through the alarm screens until the one whose
time you want to set is displayed.
AL1
AL2
SIG
AL5
• The alarm screens are AL1, AL2, AL3, AL4, and AL5.
2. Hold down A until the hour digits of the current alarm time start to flash. This is the
setting mode.
• Entering the setting mode automatically turns on the displayed alarm.
E-36
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in.
• 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.
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use C to select the Hourly Time Signal.
2. Hold down A for about three seconds until "ON" flashes on the display. This is the
setting mode.
• Entering the setting mode automatically turns on the Hourly Time Signal.
E-38
What you should do
• Check to make sure the watch
is in a location where it can
receive the signal (page E-16).
Alarm time
AL3
AL4
Problem
Probable Cause
• 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!" (page E-16) and "Radio-controlled Atomic
Timekeeping Precautions" (page E-70).
• All of the operations in this section are performed in the World Time Mode, which
you enter by pressing B (page E-9).
To view the time in another city
In the World Time Mode, press C.
• This will cause the city code of the currently selected World Time City to appear for
about two seconds, followed by the current time in that city.
• Pressing C while a city code is displayed will scroll to the next city code, in the
sequence noted in the "City Code Table" at the back of this manual.
Alarms
The Alarm Mode lets you configure five daily alarms. You
also can use it to turn the Hourly Time Signal on or off.
• The watch beeps for about 10 seconds when an alarm
time is reached.
• Turning on the Hourly Time Signal causes the watch to
beep on the hour every hour.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing B (page
E-9).
Alarm time
(Hour : Minutes)
3. Press C to scroll the hour value, until it displays the value you want.
• Set the time correctly as a.m. or p.m. (P indicator) when using 12-hour
timekeeping, or you specify the correct 24-hour time.
• The same 12-hour/24-hour format you select for the Timekeeping Mode time
(page E-54) is also applied in the Alarm Mode.
4. After the hour setting is the way you want, press B to move the flashing to the
minutes.
• Press C to scroll the minute value.
5. When the minute setting is the way you want, press B. This will cause "ON" to flash
on the display.
• Press C to toggle the alarm setting between ON and OFF.
C
6. After the setting is the way you want, press A to exit the setting mode.
3. Press C to toggle the Hourly Time Signal between on and off.
C
4. Press A to exit the setting screen.
To turn off all alarms and the Hourly Time Signal
In the Alarm Mode, hold down C for about three seconds.
• "ALL OFF" will appear on the display indicating all alarms and the Hourly Time
Signal are turned off.
What you should do
• Change the DST setting to
Auto DST (page E-59).
• Select the correct Home City
code (page E-12).
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E-33
E-35
E-37
E-39
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