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Alarms
You can set five independent Daily Alarms. When an
Timekeeping Mode time
alarm is turned on, the alarm tone sounds when the
alarm time is reached. One of the alarms is a snooze
AM indicator
alarm, while the other four are normal (non-snooze)
alarms that sound for 20 seconds.
You can also turn on an Hourly Time Signal that
causes the watch to beep twice every hour on the
hour.
• The snooze alarm repeats every five minutes, up to
seven times.
• The alarm number of the display indicates the
Alarm number
alarm type, as described below.
through
Alarm time (Hour : Minutes)
: Snooze alarm screen
: Hourly Time Signal screen
• Alarm settings (and Hourly Time Signal settings)
are available in the Alarm Mode, which you enter by
pressing C .
To set an alarm time
1. In the Alarm Mode, press D to scroll through the
alarm screens until the one whose time you want
to set is displayed.
Alarm on indicator
2. After you select an alarm, hold down A until the hour setting of the alarm
time starts to flash, which indicates the setting screen.
• This operation automatically turns on the alarm.
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.
• When setting the alarm time using the 12-hour format, take care to set the
time correctly as a.m. (A indicator) or p.m. (P indicator).
5. Press A to exit the setting screen.
Alarm Operation
Starting from the point the Timekeeping Mode time reaches one hour before an
alarm time the display pattern changes each second. This pre-alarm feature
lets you know that an alarm time is about to be reached. When the actual
alarm time is reached, an alarm tone sounds for 20 seconds. In the case of the
snooze alarm, the alarm repeats up to seven times every five minutes until the
alarm is turned off.
• Pressing any button stops the pre-alarm operation or the alarm tone
operation.
• The pre-alarm feature works in the Timekeeping Mode only.
To test the alarm
In the Alarm Mode, hold down B to sound the alarm.
To turn a normal 20-second alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, press D to select an normal 20-second alarm (
through
) or the Hourly Time Signal (
2. When the alarm or the Hourly Time Signal you want is selected, press B to
turn it on and off.
x
Indicates alarm is on.
y
Indicates Hourly Time Signal is on.
x
• The alarm on indicator (
) and the Hourly Time Signal on indicator (
are shown on the display in all modes while these functions are turned on.
• If any alarm is on, the alarm on indicator is shown on the display when you
change to another mode.
To turn the snooze alarm on and off
1. In the Alarm Mode, press D to select the snooze alarm (
2. Press B to turn it on (
x
and
displayed) and off (
SNZ
displayed).
• The snooze alarm on indicator (
) is shown on the display in all modes
while this function is turned on.
Stopwatch
The stopwatch lets you measure elapsed time, split
Timekeeping Mode time
times, and two finishes.
• The display range of the stopwatch is 59 minutes,
59.99 seconds.
• The stopwatch continues to run, restarting from
zero after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues
even if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is
frozen on the display clears the split time and
Minutes
returns to elapsed time measurement.
• All of the operations in this section are performed in
Seconds
the Stopwatch Mode, which you enter by pressing
1/100 second
C .
To measure times with the stopwatch
Elapsed Time
Start
Stop
Re-start
Split Time
Start
Split
Split release
(SPL displayed)
Two Finishes
Start
Split
Stop
First runner
Second runner
finishes.
finishes.
Display time of
first runner.
USER'S GUIDE 2454
: Normal alarm screen
).
y
)
).
x
and
not
SNZ
Stop
Clear
Stop
Clear
Split release
Clear
Display time of
second runner.
Countdown Timer
The countdown timer can be set within a range of 1
Timekeeping Mode time
minute to 24 hours. An alarm sounds when the
countdown reaches zero.
• The initial default countdown start time when you
purchase the watch or after you have its battery
replaced is 5 minutes.
• Countdown timer functions are available in the
Countdown Timer Mode, which you enter by
pressing C .
To use the countdown timer
Hours
Press D while in the Countdown Timer Mode to start
Seconds
the countdown timer.
• When the end of the countdown is reached, the
Minutes
alarm sounds for 10 seconds or until you stop it by
pressing any button. The countdown time is
automatically reset to its starting value after the
alarm stops.
• Press D while a countdown operation is in progress to pause it. Press D
again to resume the countdown.
• To completely stop a countdown operation, first pause it (by pressing D),
and then press B. This returns the countdown time to its starting value.
To set the countdown start time
1. In the Countdown Timer Mode, hold down A until the hour setting of the
countdown start time starts to flash, which indicates the setting screen.
2. Press C to move the flashing between the hour and minute settings.
3. While a setting is flashing, use D (+) and B (–) to change it.
• To set the starting value of the countdown time to 24 hours, set
4. Press A to exit the setting screen.
Dual Time
The Dual Time Mode lets you keep track of time in a
Timekeeping Mode time
different time zone.
To set the Dual Time
1. Press C to enter the Dual Time Mode .
2. Use D, B, and A to set the Dual Time Mode
time.
• Each press of D (+) and B (–) changes the time
setting in 30-minute increments.
• Pressing A sets the Dual Time Mode to the same
time as the Timekeeping Mode.
Dual time
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 Display
The Auto Display feature of this watch automatically
cycles through the available color patterns.
To turn off Auto Display
Press any button to turn off Auto Display.
Doing so also performs the corresponding button
function as described below.
A or B: Enters the Timekeeping Mode.
C: Enters the Telememo Mode.
D: Toggles between 12-hour and 24-hour formats.
L: Turns on the backlight
• Turning off Auto Display also returns to the default
color pattern.
To turn on Auto Display
Hold down C for about two seconds until the watch beeps.
• Note that Auto Display cannot be performed while a setting screen is on the
display.
Auto Return Features
• If you leave the watch in the Telememo Mode for two or three minutes without
performing any operation, it automatically changes to the Timekeeping Mode.
• If you leave a screen with flashing digits or a cursor on the display for two or
three minutes without performing any operation, the watch automatically
saves any settings you have made up to that point and exits the setting
screen.
Data and Setting Scrolling
The B and D buttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during
a scroll operation scrolls through the data at high speed.
Initial Screens
When you enter the Telememo or Alarm Mode, the data you were viewing
when you last exited the mode appears first.
Backlight Precautions
The backlight uses an EL (electro-luminescent) panel that causes the entire
display to glow for easy reading in the dark.
In any mode, press L to illuminate the display for about two seconds.
• The electro-luminescent panel that provides illumination loses power after
very long use.
• The illumination provided by the backlight may be hard to see when viewed
under direct sunlight.
• The watch may emit an audible sound whenever the display is illuminated.
This is due to vibration of the EL panel used for illumination, and does not
indicate malfunction.
• The backlight automatically turns off whenever an alarm sounds.
• Frequent use of the backlight shortens the battery life.
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