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