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Operation Guide 5229 5518
E-39
Illumination
An LED (light-emitting diode) illuminates the face of the
watch for easy reading in the dark. The watch’s auto light
switch turns on illumination automatically when you angle
the watch towards your face.
• The auto light switch must be turned on (indicated by
the auto light switch on indicator) for it to operate.
• See “Illumination Precautions” (page E-48) for other
important information about using illumination.
To illuminate the face manually
In any mode, press
B
to turn on illumination.
• The above operation turns on illumination regardless of
the current auto light switch setting.
Auto light switch on
indicator
E-38
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use
D
to select the Hourly Time
Signal (
SIG
) (page E-35).
2. Press
A
to toggle it on (
on
) and off (
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
On/Off status
E-37
To turn an alarm on and off
1. In the Alarm Mode, use
D
to select an alarm in the
right digital dial.
2. Press
A
to toggle it on (
on
) and off (
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 when
any alarm 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
Snooze alarm
indicator
On/Off status
E-36
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.
5. Press
A
to exit the setting mode.
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, or until you turn the alarm off (page E-37).
• Alarm and Hourly Time Signal operations are performed in accordance with the
current time in your Home City, as kept in the Timekeeping Mode.
• To stop the alarm tone after it starts to sound, press any button.
• Performing any one of the following operations during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen (page E-9)
Displaying the
SNZ
setting screen (page E-35)
E-35
To set an alarm time
1. In the Alarm Mode, use
D
to scroll through the alarm
screens in the right digital dial until the one whose time
you want to set is displayed.
AL1
SIG
AL2 SNZAL3 AL4
• To set a daily alarm, display alarm screen
AL1
,
AL2
,
AL3
or
AL4
. To set the snooze alarm, display the
SNZ
screen.
•
SIG
is the Hourly Time Signal setting (page E-38).
• The snooze alarm repeats every five minutes.
2. After you select an alarm, hold down
A
for about three seconds until the hour
setting of the alarm time starts to flash. This is the setting mode.
• This operation turns on the alarm automatically.
On/Off status
E-34
Alarms
When an alarm is turned on, the alarm tone will sound
when its alarm time is reached. One of the alarms is a
snooze alarm, while the other four are daily alarms.
You also can turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
• There are five alarm screens numbered
AL1
,
AL2
,
AL3
and
AL4
for the daily 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
(page E-7).
Alarm time
(Hour : Minutes)
Alarm number
E-33
Swapping your Home City and World Time City
You can use the procedure below to swap your Home City and World Time City. This
changes your Home City to your World Time City, and your World Time City to your
Home City. This capability can come in handy when you frequently travel between two
cities in different time zones.
To swap your Home City and World Time City
1. In the World Time Mode, use
D
to select the World Time City you want.
2. Hold down
A
and
B
until the watch beeps.
• This will make the World Time City you selected in step 1 your Home City, and
cause the hour and minute hands to move to the current time in that city. At the
same time, it will change the Home City you had selected prior to step 2 your
World Time City, and cause the content of left digital dial to change accordingly.
• After swapping the Home City and World Time City, the watch stays in the World
Time Mode with the city that was selected as the Home City prior to step 2 now
displayed as the World Time City.
E-32
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
code (time zone) whose Standard Time/Daylight Saving
Time setting you want to change.
2. Hold down
A
for about three seconds to toggle
between Daylight Saving Time (
DST
indicator
displayed) and Standard Time (
DST
indicator not
displayed).
• A
DST
indicator will be displayed in the left digital
dial if Daylight Saving Time is turned on.
• You can turn on DST individually for each city code,
except UTC.
• Turning on DST for the city code that is currently
selected as your Home City will turn on DST for
normal timekeeping.
DST indicator
E-31
To view the current time in another time zone
In the World Time Mode, use
D
to scroll through available city codes (time zones).
• The left digital dial will show the time in the currently selected World Time City.
• A PM indicator will be displayed in the left digital dial between the hours of noon
and midnight.
• When the city code (time zone) you want is selected, you can press
A
to display
the date. After about one second, the watch will resume regular timekeeping for the
currently selected city.
One second
Hour : Minutes
Seconds
PM indicator Date
A
E-30
World Time
World Time digitally displays the current time in one of
48 cities (29 time zones) around the world. A simple
operation swaps your Home City with the currently
selected World Time City.
• 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.
• Times in the World Time Mode are based on UTC offsets. See the “City Code Table”
at the back of this manual for information about the UTC offsets that are supported.
• All of the operations in this section are performed in the World Time Mode, which
you enter by pressing
C
(page E-7).
Currently selected
World Time City
World Time
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