Operation Guide 2548/2821
4. While a setting is flashing, use D, B, and C to change it as described below.To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.ScreenTo do this:Do this:
" When the end of the countdown is reached and auto-repeat is turned off, the alarm
A12:00Change the hourUse D (+) and B (�).sounds for 10 seconds or until you stop it by pressing any button. The countdown
and minutesY With the 12-hour format, set the time correctly as a.m.time is automatically reset to its starting value after the alarm stops.
(A indicator) or p.m. (P indicator).
Change theY To set an alarm that does not include a month and/or" When the end of the countdown is reached and auto-repeat is turned on, the alarmx-xxsounds, but the countdown starts again automatically whenever the countdown
month and dayday, set x for each setting.
reaches zero.
Input reminderUse D (+) and B (�) to cycle through characters at the" The countdown timer measurement operation continues even if you exit the
#textcurrent cursor location, and C to move the cursor to the
right. See OInputting Text�.Countdown Timer Mode.
" Press D while a countdown operation is in progress to pause it. Press D again to
" Note that Module 2821 does not display an AM indicator (A).resume the countdown.
" Pressing B and D at the same time while any setting is flashing automatically" To completely stop a countdown operation, first pause it (by pressing D), and then
sets the time to AM12:00 and the date to x-xx. It also clears any text that is inputpress B. This returns the countdown time to its starting value.
for the alarm.
To set up the countdown timer
5.Press A to exit the setting screen.
Alarm on indicator 1.While the countdown start time is on the display in the" If you input reminder text, the text appears in place of
Countdown Timer Mode, hold down A until the hour
the alarm number.
setting of the countdown start time starts to flash, which
" If the reminder text is more than three characters, it will
indicates the setting screen.scroll form right to left.
" If the countdown start time is not displayed, use the
" If the alarm has a month and/or day setting, the month/
procedure OTo use the countdown timer� to display it.
day appears at the bottom of the display, in place of the
2.Press C to move the flashing in the sequence shownTimekeeping Mode time.
below to select other settings.
HoursMinutesAuto-repeat
Snooze alarm indicator
3. While a setting is flashing, use D and B to change it as described below.
Alarm OperationScreenTo do this:Do this:
All of the graphic area segments start to flash, starting
Graphic areasfrom the point the Timekeeping Mode time reaches one 0:15Change the hours or minutesUse D (+) and B (�).
hour before an alarm time. This pre-alarm feature lets youOFFToggle auto-repeat on (ON) and off (OFF)Press D.
know that an alarm time is about to be reached.
The alarm tone sounds at the preset time for 10 seconds," To specify a countdown start time of 24 hours, set 0:00.
regardless of the mode the watch is in. In the case of the4. Press A to exit the setting screen.
snooze alarm, the alarm operation is performed a total of" The auto-repeat on indicator ( ) appears on the display while this function is turned on.
seven times, every five minutes, until you turn the alarm" Frequent use of auto-repeat and the alarm can run down battery power.
off.
" To stop the alarm tone after it starts to sound, press any button.Stopwatch
" The pre-alarm feature works in the Timekeeping Mode only. To stop the pre-alarm
after it starts, press any button. Note, however, that pressing C also changes to theThe stopwatch lets you measure elapsed time, split times,
e-DATA MEMORY Mode.Seconds and two finishes.
" If you input reminder text for an alarm, the text appears for one minute on the" The display range of the stopwatch is 23 hours,
Timekeeping Mode screen when the alarm time is reached. You can clear the59 minutes, 59.99 seconds.
reminder text display by pressing A, B, or D, or by exiting the Timekeeping" The stopwatch continues to run, restarting from zero
Mode.after it reaches its limit, until you stop it.
" In the case of the snooze alarm, the reminder text appears on the Timekeeping" The stopwatch measurement operation continues even
Mode screen for the initial alarm operation only.if you exit the Stopwatch Mode.
" Performing any one of the following operations during a 5-minute interval between" Exiting the Stopwatch Mode while a split time is frozen
snooze alarms cancels the current snooze alarm operation.on the display clears the split time and returns to
Displaying the Timekeeping Mode setting screenelapsed time measurement.
Hours
Displaying the SNZ setting screen" All of the operations in this section are performed in the
Changing the DST setting of the Home City code in the World Time ModeMinutes 1/100 second Stopwatch Mode, which you enter by pressing C.
To test the alarmTo measure times with the stopwatch
In the Alarm Mode, hold down D to sound the alarm.
Elapsed Time
To turn an alarm on and off
1.In the Alarm Mode, use D and B to select an alarm.StartStopRe-startStopClear
Alarm on indicator
2.Press A to toggle it on and off.
Split Time
" Turning on a alarm (AL1to AL4, or SNZ) displays
the alarm on indicator () on its Alarm Mode screen.StartSplitSplit releaseStopClear
" In all modes, the alarm on indicator is shown for any( displayed)
alarm that is currently turned on.
" The alarm on indicator flashes while the alarm isTwo Finishes
sounding.
" The snooze alarm indicator () flashes while theStartSplitStopSplit releaseClear
snooze alarm is sounding and during theFirst runner Second runner Display time of
5-minute intervals between alarms.finishes.finishes.second runner.
Display time of
first runner.
To turn the Hourly Time Signal on and off
1.In the Alarm Mode, use D and B to select the Hourly" The time on the screen may not appear to stop immediately when you press a
button to stop timing or to perform a split operation. Despite this, the time recorded
Time Signal (SIG).by your button operation is accurate.
2.Press A to toggle it on (ON) and off (OFF).
" The Hourly Time Signal on indicator () is shown on
the display in all modes while this function is turned on.Backlight
Auto light switch on The backlight uses an EL (electro-luminescent) panel that
indicatorcauses the entire display to glow for easy reading in the
dark. The watchOs auto light switch automatically turns on
Hourly time signal onthe backlight when you angle the watch towards your
indicatorface.
" The auto light switch must be turned on (indicated by
Countdown Timerthe auto light switch on indicator) for it to operate.
" See OBacklight Precautions� for other importantYou can set the countdown timer within a range of
Hours Minutes information about using the backlight.one minute to 24 hours. An alarm sounds when the
countdown reaches zero.
To turn on the backlight manually" You can also select auto-repeat, which automatically
In any mode, press L to illuminate the display for about
restarts the countdown from the original value you set
one second.
whenever zero is reached.
" The above operation turns on the backlight regardless of" The initial default countdown start time when you
the current auto light switch setting.
purchase the watch or after you have its battery
replaced is 15 minutes.Module 2821
" Countdown timer functions are available in the
Seconds Countdown Timer Mode, which you can enter using C.
Timekeeping Mode time
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ACEC
