Operation Guide 3100

To preset the duration of the event

1.In the Stopwatch Mode, hold down Auntil the current

Countdown Timer

event duration setting starts flashing in the upper display. This is the setting screen.

• If the current event duration setting does not appear when you hold down A, it means that an ongoing elapsed time operation is in progress. Use the procedure under “To stop an elapsed time operation and reset the stopwatch” to reset.

2.Use D (+) and C (–) to change the current event duration setting.

•You can set a duration in the range of 1 to 60 minutes, in one-minute units.

3.After setting the duration, press Ato exit the setting screen.

Start time

(Minutes' Seconds")

Current time

Countdown timer number

With the countdown timer, you can set up to nine start times, which are counted down in sequence one after the other.

Example 1: Interval Training

3-minute run (), 1-minute rest (), 5-minute run

()

Example 2: Game Timing

45-minute period (), 15-minute halftime (),

45-minute period ( )

•The watch beeps when any countdown timer reaches zero.

•An alarm sounds for about five seconds when the last countdown timer reaches zero.

To start timing of an event

Press Dto start event timing.

•Initially, the same elapsed time will appear in both the upper and lower displays.

To pause timing

1.Press D.

•This will stop event time measurement in the lower display, but total time measurement in the upper display will continue.

2.To restart event time measurement in the lower display, press Dagain.

When the preset event duration is reached

•The watch will beep for 10 seconds when the total elapsed time in the upper display reaches the preset event duration.

•Event timing continues even after the preset event duration is reached.

To stop an elapsed time operation and reset the stopwatch

1.Press Dto stop event time measurement in the lower display.

• Total time measurement in the upper display continues.

2.Hold down C until the initial Stopwatch Mode screen appears.

Preset Timer

The watch includes a number of different preset times

Preset timer timethat you can select for the countdown start times. An alarm sounds when the countdown reaches zero.

•The following are the preset start times, all in minutes:

10, 12, 15, 20, 25, 30, 35, 40, 45.

• You also can turn on auto-repeat, which automatically will restart the timer from the currently selected preset time whenever it reaches zero.

• All of the operations in this section are performed in the Preset Timer Mode, which you enter by pressing B.

Current time

To perform a preset timer operation

1.In the Preset Timer Mode, use C to scroll through the preset times until the one you want to use is displayed.

10 minutes

 

 

 

12 minutes

 

 

 

15 minutes

 

 

 

20 minutes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25 minutes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45 minutes

 

 

 

40 minutes

 

 

 

35 minutes

 

 

 

30 minutes

 

 

 

 

 

 

 

 

 

Auto-repeat on indicator

• To turn on auto-repeat, hold down A while a start

time selection screen is displayed. The number of

 

 

 

 

repeats will appear near the timer time.

 

 

 

 

• Frequent use of auto-repeat and the alarm can run

 

 

 

 

 

 

 

 

down battery power.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number of repeats

2. Press Dto start the countdown.

•Press Dwhile a countdown operation is in progress to

pause it. Press Dagain to resume the countdown.

• When the end of the countdown is reached (regardless of whether auto-repeat is on or off), the alarm sounds for

•You can turn on an auto-repeat feature that restarts the timer sequence from the beginning when the end of the last countdown timer is reached.

•All of the operations in this section are performed in the Countdown Timer Mode, which you enter by pressing B.

To configure countdown timer settings

1.In the Countdown Timer Mode, hold down A until the countdown timer number starts to flash.

This is the setting screen.

2. Use Dand Cto scroll through the countdown timer

numbers until the one you want to set is displayed.

3.Press Bto move the flashing in the sequence shown below to select other settings.

Countdown Timer number Minutes Seconds Auto-repeat

4.While a setting is flashing, use D and C to change it as described below.

Screen

To do this:

 

Do this:

 

Change the countdown timer number

Use D(+) and C(–).

03'00''

Change the minutes

 

Use D(+) and C(–).

03'00''

Change the seconds (5-second units)

Use D(+) and C(–).

 

Toggle auto-repeat off and on (

)

Press D.

•Any timer whose start time is 00'00'' will not be used during countdown timer operation.

•There is no auto-repeat for individual countdown timers. In the Countdown Timer Mode, auto-repeat repeats the entire set of timers.

Auto-repeat on indicator

5. Set the times of all of the countdown timers that you

want.

 

 

 

 

 

 

 

 

6. Press Ato exit the setting screen.

 

 

 

 

• When auto-repeat is turned on, the number of repeats

 

 

 

 

will appear next to the timer time.

 

 

 

 

• Frequent use of auto-repeat and the alarm can run

 

 

 

 

down battery power.

 

 

 

 

 

 

 

 

 

Number of repeats

To perform a countdown timer operation

In the Countdown Timer Mode, press D to start the countdown timer.

•To pause a countdown timer operation, press D. Press D again to restart.

•While auto-repeat is turned off, the watch beeps when each countdown timer reaches zero. An alarm will sound for about five seconds when the final countdown timer reaches zero.

•While auto-repeat is turned on, the watch beeps when each countdown timer reaches zero. An alarm will sound for about five seconds when the final countdown timer reaches zero. The timing restarts from the first timer when the final countdown timer reaches zero. The number of repeats is displayed next to the timer time. The number of repeats display changes to “xx” when the count reaches 100.

•An ongoing countdown timer operation continues to be performed even if you exit the Countdown Timer Mode.

•To stop the countdown timer, first press Dto pause it, and then press C. This returns the countdown time to its starting value.

World Time

10 seconds or until you stop it by pressing any button.

• Auto-repeat off: When the end of the countdown is reached, an elapsed time operation starts and the upper display shows how much time has elapsed since the end of the countdown. The elapsed time operation will stop automatically when it reaches 60 minutes. At that time the countdown timer start time selection screen will appear.

•Auto-repeat on: When the end of the countdown is reached, a new countdown starts from the preset start time. The number of repeats is displayed next to the timer time. The number of repeats display changes to “xx” when the count reaches 100.

•To stop a countdown operation completely, first pause it (by pressing D), and then press C. This will display the initial Preset Timer Mode screen.

Current time in the zone of the selected city code

City code

Timekeeping Mode time

World Time shows the current time in 48 cities (29 time zones) around the world.

•When you enter the World Time Mode, the data you were viewing when you last exited the mode appears first.

•All of the operations in this section are performed in the World Time Mode, which you enter by pressing B.

To view the time for another city code

In the World Time Mode, press Dto scroll eastward through city codes or C to scroll westward.

•For full information about city codes, see the “City Code Table”.

•If the current time for a city is wrong, check your Timekeeping Mode time and city code settings and make necessary changes.

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