Operation Guide 5231
E-29
To change the Daylight Saving Time (summer time) setting
In the Timekeeping Mode, hold down
1.
A
for about
two seconds until
ADJ
appears in the right digital dial.
When you release
A
, the city code and city name will
scroll across the right digital dial. This is the setting
mode.
Whenever you enter a setting mode, the analog hands
x
will automatically move to positions that allow easier
viewing of the digital dials. This is the setting mode.
Press
2.
C
to enter the DST setting mode.
Press
3.
D
to toggle the DST setting between Daylight
Saving Time (
ON
) and Standard Time (
OFF
).
DST indicator
E-28
After the setting is the way you want, press
5.
A
to return to the Timekeeping
Mode.
The
x
DST
indicator appears to indicate that Daylight Saving Time is turned on.
Exiting a setting mode will normally cause the hands to return to regular
x
timekeeping automatically. However, if you manually move the hands (page
E-61) and then enter a setting mode, they will not return to regular timekeeping
automatically when you exit the setting mode. In this case, you will need to
return the hands to their normal positions manually (page E-62).
Note
After you specify a city code, the watch will use UTC* offsets in the World Time
x
Mode to calculate the current time for other time zones based on the current time
in your Home City.
Coordinated Universal Time, the world-wide scientifi c standard of timekeeping.
*
The reference point for UTC is Greenwich, England.
E-27
Use
2.
D
(East) and
B
(West) to scroll through the city
codes in the right digital dial until the one you want to
use as your Home City is displayed.
Press
3.
C
so the DST indicator is fl ashing in the left
digital dial, which indicates the DST setting mode.
Press
4.
D
to toggle the DST setting between Daylight
Saving Time (
ON
) and Standard Time (
OFF
) in the right
digital dial.
Note that you cannot switch between standard time
x
and daylight saving time (DST) while UTC is selected
as your Home City.
DST indicator
E-26
Confi guring Home City Settings
There are two Home City settings: actually selecting the Home City, and selecting
either standard time or daylight saving time (DST).
To confi gure Home City settings
In the Timekeeping Mode, hold down
1.
A
for about
two seconds until
ADJ
appears in the right digital dial.
When you release
A
, the city code and city name will
scroll across the right digital dial. This is the setting
mode.
The watch will exit the setting mode automatically if
x
you do not perform any operation for about two or
three minutes.
For details about city codes, see the “City Code Table” at the back of this
x
manual.
Whenever you enter a setting mode, the analog hands will automatically move to
x
positions that allow easier viewing of the digital dials.
City code
E-25
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
If you have an alarm time set, the right digital dial will
x
change to show a countdown of the fi nal 60 minutes
until the alarm time is reached.
When viewing a digital dial, you can move the analog
x
hands for an unobstructed view.
Press
x
A
to toggle the left digital dial between month/
day and hour/minutes.
A
Hour
Minutes
Day of week
Seconds
Month Day
E-24
General Functions (All Modes)
The functions and operations described in this section can be used in all of the
modes.
Auto Return Features
The watch returns to the Timekeeping Mode automatically if you do not perform
x
any button operation for two or three minutes in the Alarm Mode.
If you leave the watch in a setting mode (with fl ashing digits) for two or three
x
minutes without performing any operation, the watch will exit the setting mode
automatically.
Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing when
you last exited the mode appears fi rst.
Scrolling
The
B
and
D
buttons are used in the setting mode to scroll through data. In most
cases, holding down these buttons during a scroll operation scrolls through the
data at high speed.
E-23
Countdown Timer Mode
C
Alarm Mode
Stopwatch Mode
C
C
E-22
Selecting a Mode
The illustration below shows which buttons you need to press to navigate between
x
modes.
To return to the Timekeeping Mode from any other mode, hold down
x
C
for at
least four seconds.
Timekeeping Mode
World Time Mode
C
C
E-21
Mode Reference Guide
Your watch has “fi ve modes”. The mode you should select depends on what you
want to do.
To do this:
Enter this mode:
See:
View the current date in the Home City
x
Confi gure Home City and daylight saving time (DST)
x
settings
Confi gure time and date settings
x
Switch between 12-hour and 24-hour timekeeping
x
Display an alarm countdown
x
Timekeeping Mode
E-25
View the current time in one of 48 cities (31 time zones)
around the globe
World Time Mode
E-36
Use the stopwatch to measure elapsed time
Stopwatch Mode
E-39
Use the countdown timer
Countdown Timer Mode
E-42
Set an alarm time
Alarm Mode
E-45
E-20
The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch
x
is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep
state.
The watch will not enter a sleep state while it is in the Stopwatch Mode or
x
Countdown Timer Mode.
To recover from the sleep state
Move the watch to a well-lit area or press any button.
