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Operation Guide 5230
E-69
The above operation turns on illumination regardless of the current auto light switch x
setting.
Illumination is disabled during time calibration signal reception. x
To change the illumination duration
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 will automatically move to
x
positions that allow easier viewing of the digital dials.
Use 2. C to cycle through the settings in the right digital dial until the current
illumination duration (LT1 or LT3) is shown.
See the sequence in step 2 of the procedure under “To change the current time
x
and date settings manually” (page E-48) for information about how to scroll
through setting mode.
E-68
Illumination
The face of the watch is illuminated 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 (page E-72) for
x
it to operate.
To turn on illumination manually
Press B in any mode to illuminate the face of the watch.
You can use the procedure below to select either x
1.5 seconds or three seconds as the illumination
duration. When you press B, the face will remain
illuminated for about 1.5 seconds or three seconds,
depending on the current illumination duration setting.
E-67
Alarm Countdown
When the current time reaches one hour before an alarm
time setting, the alarm on/off indicator (in the lower digital
dial) will fl ash and a countdown of the fi nal 60 minutes
will be displayed in the right digital dial while the watch is
in the Timekeeping Mode.
Note
Pressing
x A while an alarm countdown is in progress
will display the day of the week in the right digital dial
for about two seconds. After that, the dial will return to
the countdown.
When you enter the Timekeeping Mode from another mode while an alarm
x
countdown is in progress, the day of the week will appear in the right digital dial for
two seconds. After that, the countdown will appear.
If an alarm countdown for another alarm starts while a previous alarm countdown is
x
already in progress, it will be displayed after the ongoing countdown reaches zero
and its alarm sounds.
Alarm ON/OFF indicator
Alarm Countdown
E-66
To turn an alarm and the Hourly Time Signal on and off
In the Alarm Mode, use 1. D to scroll through the alarm
indicators (AL1 to AL5, SIG) in the right digital dial until
the one you want is displayed.
When the alarm or the Hourly Time Signal you want is 2.
selected, press A to toggle it between on and off.
The alarm on indicator (when any alarm is on) and the
x
Hourly Time Signal on indicator (when the Hourly Time
Signal is on) are displayed in all modes.
To stop the alarm
Press any button.
Hourly Time Signal
on indicator
E-65
While a setting is fl ashing, use 4. D (+) and B (–) to change it.
When setting the alarm time using the 12-hour format, take care to set the time x
correctly as a.m. (no indicator) or p.m. (PM indicator).
Press 5. A to exit the setting mode.
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-79) 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-80).
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
E-64
To set an alarm time
In the Alarm Mode, use 1. D to scroll through the alarm
indicators (AL1 to AL5, SIG) in the right digital dial until
the one whose time you want to set is displayed.
AL1 AL3 AL5AL2 AL4 SIG
DDDDD
D
Hold down 2. A for about two seconds until the alarm time starts to fl ash. This is
the setting mode.
Whenever you enter the setting mode, the analog hands will automatically move
x
to positions that allow easier viewing of the digital dials.
Press 3. C to move the fl ashing between the hour and minute settings.
Alarm ON/OFF indicator
E-63
Using the Alarm
You can set fi ve 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. This is true even if
the watch is not in the Timekeeping Mode.
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-39.
The right digital dial will show
x ALM for about one
second and then the indictor for the currently selected
alarm (AL1 through AL5, or SIG) will appear.
When you enter the Alarm Mode, the data you were
x
viewing when you last exited the mode appears fi rst.
Alarm number
Alarm time (Hour : Minutes)
E-62
To perform a countdown timer operation
D
D D D A
Start Stop (Restart) (Stop) Reset
Before starting a countdown timer operation, check to make sure that a x
countdown operation is not in progress (indicated by the seconds counting down).
If it is, press D to stop it and then A to reset to the countdown start time.
An alarm sounds for 10 seconds when the end of the countdown is reached. This
x
alarm will sound in all modes. The countdown time is reset to its starting value
automatically when the alarm sounds.
To stop the alarm
Press any button.
E-61
Hold down 2. A until the minute setting of the current countdown start time starts
to fl ash. This is the setting mode.
Whenever you enter a setting mode, the analog hands will automatically move to
x
positions that allow easier viewing of the digital dials.
Press 3. C to move the fl ashing between the minute and second settings.
Use 4. D (+) and B (–) to change the fl ashing item.
To set the starting value of the countdown time to 100 minutes, set
x 00'00".
Press 5. A to exit the setting mode.
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-79) 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-80).
E-60
Using the Countdown Timer
The countdown timer can be set within a range of one minute to 100 minutes. An
alarm sounds when the countdown reaches zero.
To enter the Countdown Timer Mode
Use C to select the Countdown Timer Mode (TMR) as
shown on page E-39.
To specify the countdown start time
Enter the Countdown Timer Mode.1.
If a countdown is in progress (indicated by the
x
seconds counting down in the left digital dial), press
D to stop it and then press A to reset to the current
countdown start time.
If a countdown is paused, press
x A to reset to the
current countdown start time.
Countdown time
(Minutes, seconds)