Module 2608

Operation Guide 2608 2638 2688

Stopwatch

To recall Time Recorder times

In the Time Recorder Mode, use D(+) and B (–) to scroll through times stored in memory.

•If you recorded a new Time Recorder time since you last entered the Time Recorder Mode, the newest record appears first. If you have not recorded a new time, the record you were viewing when you last exited the Time Recorder Mode appears first.

To delete all Time Recorder times

In the Time Recorder Mode, hold down Ato delete all Time Recorder times.

Alarms

Hours

Minutes

Seconds

Home city time 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.

•Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elapsed time measurement.

•The stopwatch measurement operation continues even if you exit the Stopwatch Mode.

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

Alarm number

Home city time Alarm time (Hour : Minutes)

To set an alarm time

The Alarm Mode gives you a choice of four one-time alarms and one snooze alarm.

Also use the Alarm Mode to turn the Hourly Time Signal (SIG) on and off.

•There are five alarms numbered AL1 through AL4, and SNZ. You can configure SNZ as a snooze alarm only. Alarms AL1 through AL4 can be used as one- time alarms only.

•Alarm settings (and Hourly Time Signal settings) are

available in the Alarm Mode, which you enter by pressing C.

1.In the Alarm Mode, use Dto scroll through the alarm screens until the one whose time you want to set is displayed.

AL1 AL2 AL3

SIG SNZ AL4

2. After you select an alarm, hold down A until the hour

To measure times with the stopwatch

 

 

Elapsed Time

 

 

 

 

D

➤D

➤D

➤D

➤B

Start

Stop

Re-start

Stop

Clear

Split Time

 

 

 

 

D

➤B

➤B

➤D

➤B

Start

Split

Split release

Stop

Clear

 

(SPL/ SPL displayed)

 

 

Two Finishes

 

 

 

 

D

➤B

➤D

➤B

➤B

Start

Split

Stop

Split release

Clear

 

First runner

Second runner

Display time of

 

 

finishes.

finishes.

second runner.

 

 

Display time of

 

 

 

 

first runner.

 

 

 

Backlight

Alarm Operation

setting of the alarm time starts to flash, which indicates

the setting screen.

• This operation automatically turns on the alarm.

3. Use C to move the flashing between the hour and

minute settings.

4. While a setting is flashing, use D(+) and B(–) to

change it.

5. Press Ato exit the setting screen.

•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).

Auto light switch on indicator

Module 2608

Module 2638

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 in the dark.

•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.

To turn on the backlight manually

In any mode, press Lto illuminate the display for about one second.

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, or until you turn the alarm off.

•Pressing any button stops the alarm tone operation.

•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 snooze alarm setting screen

To test the alarm

In the Alarm Mode, hold down Bto sound the alarm.

To turn an alarm on and off

•The above operation turns on the backlight regardless of the current auto light switch setting.

Module 2688

About the Auto Light Switch

Turning on the auto light switch causes the backlight to turn on for about one second, whenever you position your wrist as described below in any mode. Note that this watch features a “Full Auto EL Light,” so the auto light switch operates only when available light is below a certain level. It does not turn on the backlight under bright

Alarm on indicator

Module 2608

Snooze on indicator

Module 2638

Alarm on indicator

1.In the Alarm Mode, use Dto select an alarm.

2.Press Bto toggle it on and off.

•Turning on a one-time alarm (AL1, AL2, AL3, AL4) displays the alarm on indicator on its Alarm Mode screen. Turning on the snooze alarm (SNZ) displays the alarm on indicator and snooze alarm indicator on its Alarm Mode screen.

•In all modes, the alarm on indicator is shown for any alarm that is currently turned on. When the snooze alarm is on, the snooze alarm indicator is displayed in all modes.

•The alarm on indicator flashes while the alarm is sounding.

•The snooze alarm indicator flashes during the 5-minute intervals between alarms.

light.

Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes the backlight to turn on.

Parallel to

 

ground

More than

 

40°

Warning!

• Always make sure you are in a safe place whenever you are reading the

display of the watch using the auto light switch. Be especially careful when

running or engaged in any other activity that can result in accident or injury.

Also take care that sudden illumination by the auto light switch does not

surprise or distract others around you.

Module 2688

To turn the Hourly Time Signal on and off

1. In the Alarm Mode, use Dto select the Hourly Time Signal (SIG).

2. Press Bto toggle it on (Hourly Time Signal on indicator displayed) and off (Hourly Time Signal on indicator not displayed).

• The Hourly Time Signal on indicator is displayed in all modes when the Hourly Time Signal is turned on.

Hourly time signal on indicator

Module 2638

Module 2688

• When you are wearing the watch, make sure that its auto light switch is turned

off before riding on a bicycle or operating a motorcycle or any other motor

vehicle. Sudden and unintended operation of the auto light switch can create

a distraction, which can result in a traffic accident and serious personal injury.

To turn the auto light switch on and off

In any mode, hold down Lfor about two seconds to toggle the auto light switch on (auto light switch on indicator displayed) or off (auto light switch on indicator not displayed).

•The auto light switch on indicator is on the display in all modes while the auto light switch is turned on.

Battery

This watch is equipped with a solar cell and a rechargeable battery (secondary battery) that is charged by the electrical power produced by the solar cell. The illustration shown below shows how you should position the watch for charging.

Example: Orient the watch so its face

Solar cell

 

is pointing at a light source.

 

 

•

Note that charging efficiency drops

 

 

when any part of the solar cell is

 

•

blocked by clothing, etc.

 

The illustration shows how to position

 

a watch with a resin band.

3