Operation Guide 3511
EN-49
Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Auto Return Feature
x
If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch saves any settings you have made up
to that point and exits the setting screen automatically.
x
The watch will change to the Timekeeping Mode automatically if you do not
perform any operation in the Recall Mode or Alarm Mode for two or three minutes.
EN-48
To specify the illumination duration
1. In the Timekeeping Mode, hold down
A
until the
seconds start to flash, which indicates the setting
screen.
2. While the seconds are flashing, press
E
to toggle the
setting between 1.5 seconds (
−
) and 3 seconds ( ).
3. Press
A
to exit the setting screen.
EN-47
Illumination
An LED (light-emitting diode) illuminates the face of the
watch for easy reading in the dark.
x
See “Illumination Precautions” (page EN-51) for other
important information about using illumination.
To illuminate the display
In any mode, press
B
to turn on illumination.
x
You can use the procedure below to select either
1.5 seconds or 3 seconds as the illumination duration.
When you press
B
, illumination will remain on for about
1.5 seconds or 3 seconds, depending on the current
illumination duration setting.
EN-46
5. Press
A
to exit the setting screen.
x
The
DST
indicator on the Dual Time Mode screen indicates that DST is turned
on for the Dual Time Mode time.
EN-45
3. Press
C
to move the flashing in the sequence shown below to select the other
settings.
DST
Hour
Minute
C
C
C
4. When the setting you want to change is flashing, use
D
and
E
to change it as
described below.
Screen
To do this:
Do this:
Toggle between Daylight Saving Time (
On
)
and Standard Time (
OF
)
Press
D
.
Change the hour or minute
Use
D
(+) and
E
(–).
EN-44
Dual Time
The Dual Time Mode lets you keep track of time in a
different time zone. You can select Standard Time or
Daylight Saving Time for the Dual Time.
x
The seconds count of the Dual Time is synchronized
with the seconds count of the Timekeeping Mode.
To set the Dual Time
1. Press
C
to enter the Dual Time Mode (page EN-9).
2. In the Dual Time Mode, hold down
A
until the DST
setting starts to flash, which indicates the setting
screen.
Timekeeping Mode time
Dual time
(Hour : Minute Second)
EN-43
To turn the hourly time signal on and off
1. In the Alarm Mode, use
D
to select the Hourly Time
Signal.
2. Press
A
to toggle the displayed item on and off.
x
Turning on the Hourly Time Signal displays the hourly
time signal on indicator on its screen.
x
The hourly time signal on indicator is displayed in all
modes.
Hourly time signal on
indicator
EN-42
x
Displaying the Alarm
1
setting screen (page EN-38) while the snooze alarm is
turned on turns off the snooze alarm automatically.
To turn Alarms 2 and 3 on and off
1. In the Alarm Mode, use
D
to select alarm number
2
or
3
.
2. Press
A
to toggle the displayed alarm on and off.
x
Turning on an alarm (
2
or
3
) displays the alarm on
indicator on its screen.
x
The alarm on indicator is displayed in all modes.
x
If any alarm is on, the alarm on indicator is shown on
the display in all modes.
Alarm on indicator
EN-41
To select the operation of Alarm 1
1. In the Alarm Mode, use
D
to select Alarm
1
.
2. Press
A
to cycle through the available settings in the sequence shown below.
A
A
A
Alarm on
Snooze feature on
Alarm off
x
The applicable alarm on indicator is displayed in all modes when an alarm is
turned on.
x
The snooze indicator flashes while the snooze alarm is sounding and during the
5-minute intervals between alarms.
EN-40
Alarm Operation
The alarm sounds at the preset time for about 10 seconds. When The snooze feature
(Alarm
1
) is turned on, the alarm operation is performed a total of seven times, every
five minutes, until you turn the alarm off or turn off the snooze feature (page EN-41).
x
Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode time.
Note
x
Pressing any button stops the alarm tone operation.
x
Performing any one of the operations below during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen (page EN-11)
Displaying the Alarm
1
setting screen (page EN-38)
To test the alarm
In the Alarm Mode, hold down
D
to sound the alarm.