USER’S GUIDE 2453/2642

Stopwatch

Reference

Seconds

Minutes

Timekeeping

Mode time

1/100 second

The stopwatch lets you measure elapsed time, split 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 returns to elapsed time measurement.

•All of the operations in this section are performed in the Stopwatch Mode, which you enter by pressing C.

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.

To measure times with the stopwatch

Elapsed Time

 

 

 

 

Start

Stop

Re-start

Stop

Clear

Split Time

 

 

 

 

Start

Split

Split release

Stop

Clear

 

(SPLIT displayed)

 

 

 

Two Finishes

 

 

 

 

Start

Split

Stop

Split release

Clear

 

First runner

Second runner

Display time of

 

 

finishes.

finishes.

second runner.

 

 

Display time of

 

 

 

 

first runner.

 

 

 

Countdown Timer

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.

Minutes

Hours

Timekeeping

Mode time

Seconds

The countdown timer can be set within a range of 1 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 pressing C.

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, 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.

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.

•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 0:00.

4.Press A to exit the setting screen.

Dual Time

The Dual Time Mode lets you keep track of time in a

Dual 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.

Timekeeping Mode time

 

Character List

3