Operation Guide 5478
E-49
To change the illumination duration
1. In the Timekeeping Mode, hold down
A
until the flashing
SET Hold
indicator
disappears from the display and the currently selected city code flashes on the
display.
2. Press
C
ten times to display the illumination duration setting screen.
x
The current illumination duration setting (1 or 3) will be flashing in the display.
x
See the sequence in step 2 of the procedure under “To configure the digital time
and date settings” (page E-21) for information about how to scroll through setting
screens.
3. Press
D
to toggle the illumination duration between three seconds (
3
displayed)
and 1.5 seconds (
1
displayed).
4. After all the settings are the way you want, press
A
to exit the setting screen.
E-48
Illumination
The display of the watch is illuminated for easy reading in the dark.
To turn on illumination
Press
B
in any mode to illuminate the display.
x
You can use the procedure below to select either 1.5 seconds or three seconds as
the illumination duration.
E-47
To turn an alarm and the Hourly Time Signal on and off
In the Alarm Mode, press
D
to select an alarm or the
Hourly Time Signal.
x
When the alarm you want or the Hourly Time Signal
is displayed, press
E
to toggle it between on
(
ON
displayed) and off (
OFF
displayed).
x
The alarm on indicator (when any alarm is on), snooze
alarm indicator (when the snooze alarm is on), and the
Hourly Time Signal on indicator (when the Hourly Time
Signal is on) are shown on the display in all modes.
x
SNZ
and
ALM
will be displayed while the snooze
alarm is turned on.
To stop the alarm
Press any button.
Hourly time signal
on indicator
Snooze alarm on indicator
Alarm on indicator
E-46
3. Press
C
to move the flashing between the hour and the minute digits.
x
The selected digits are those that are flashing.
4. Use
D
(+) and
B
(–) to change the hour and minute settings.
x
Holding down either button scrolls at high speed.
x
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. (
PM
indicator).
5. Press
A
to exit the setting mode.
To test the alarm
In the Alarm Mode, hold down
D
to sound the alarm.
E-45
x
If you do not perform any operation for about two or three minutes in the Alarm
Mode, the watch will automatically return to the Timekeeping Mode.
To set an alarm time
1. In the Alarm Mode, use
D
to display the alarm whose
settings you want to change.
AL1
AL3
AL2
SNZ
SIG
AL4
2. Hold down
A
until the flashing
SET Hold
indicator
disappears from the display and the alarm time hour
digits start to flash. Release
A
after the digits start
to flash.
x
ALM
appears on the display, indicating that alarm
setting is enabled.
Alarm indicator
E-44
Using the Alarm
You can set five independent daily alarms. When a daily
alarm is turned on, an alarm tone will sound for about
10 seconds each day when the time in the Timekeeping
Mode reaches the preset alarm time. One of the alarms
is a snooze alarm that repeats every five minutes, up to
seven times.
You can also turn on an Hourly Time Signal, which will
cause the watch to beep twice every hour on the hour.
To enter the Alarm Mode
Use
C
to select the Alarm Mode as shown on page E-13.
x
The snooze alarm screen is indicated by
SNZ
, while the
other alarm screens are numbered
AL1
through
AL4
.
The Hourly Time Signal screen is indicated by
SIG
.
x
When you enter the Alarm Mode, the data you were
viewing when you last exited the mode appears first.
Alarm ON/OFF indicator
Alarm number
Alarm time (Hour : Minute)
E-43
To swap your Home City and World Time City
In the World Time Mode, hold down
E
for at least three seconds.
This will cause
SWAP Hold
to flash on the display, and then your Home City and
World Time City will be swapped.
Example: To swap the Home City (TYO) and World Time City (NYC)
E
, at least
3 seconds
World Time City (NYC) time
TYO (Tokyo) time
New World Time City (TYO)
NYC (New York) time
E-42
To specify standard time or daylight saving time (DST) for a city
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 two seconds.
x
This toggles the city code you selected in step 1
between Daylight Saving Time (
DST
indicator
displayed) and standard time (
DST
indicator not
displayed).
x
Note that you cannot switch between standard time/
daylight saving time (DST) while UTC is selected as
the World Time City.
x
The standard time/daylight saving time (DST) setting
affects only the currently displayed city. Other cities
are not affected.
DST indicator
E-41
To enter the World Time Mode
Use
C
to select the World Time Mode as shown on page E-13.
To view the time in another time zone
In the World Time Mode, press
D
to change the city code setting.
x
Holding down
D
scrolls at high speed.
x
To display the UTC city code (differential 0), press
B
and
D
at the same time.
E-40
Checking the Current Time in a Different Time Zone
You can use the World Time Mode to view the current
time in one of 31 time zones (48 cities) around the
globe. The city that is currently selected in the World
Time Mode is called the “World Time City”.
x
The hour and minute hands indicate information for
the currently selected Home City.
x
When you enter the World Time Mode, the currently
selected city code and city name (English) scroll once
across the digital display. After that, the city code
remains displayed.
x
You can view the name (English) of your Home City
by pressing
A
.
World Time City hour and
minute
City code of World Time City
Second
Indicates WT.