Operation Guide 3148

Countdown Timer

Hours

Current time

Minutes Seconds

You can set the countdown timer within a range of one minute to 24 hours. An alarm sounds when the countdown reaches zero.

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

To set the countdown start time

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 under “To use the countdown timer” to display it.

To turn an alarm and the Hourly Time Signal on and off

1.In the Alarm Mode, use E and B to select an alarm or the Hourly Time Signal.

2.When the alarm or the Hourly Time Signal you want is selected, press C to toggle it on and off.

ALM Indicates alarm is on.

SIG Indicates Hourly Time Signal is on.

The alarm on indicator (ALM) and the Hourly Time Signal on indicator (SIG) are shown on the display in all modes while these functions are turned on.

If any alarm is on, the alarm on indicator is shown on the display in all modes.

Illumination

The display of the watch is illuminated using an

2.Press D to move the flashing between the hour and minute settings.

3.Use E (+) and B (–) to change the flashing item.

To set the starting value of the countdown time to 24 hours, set

00'00".

4.Press A to exit the setting screen.

To use the countdown timer

Press E while in the Countdown Timer Mode to start the countdown timer.

When the end of the countdown is reached, the alarm sounds for five

seconds or until you stop it by pressing any button. The countdown time is

Auto light switch on indicator

EL (electro-luminescent) panel for easy reading in the dark. The watch’s auto light switch turns on illumination automatically 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 “Illumination Precautions” for other important information about using illumination.

reset to its starting value automatically when the alarm sounds.

Press E while a countdown operation is in progress to pause it. Press E

again to resume the countdown.

To stop a countdown operation completely, first pause it (by pressing E)

 

and then press B. This returns the countdown time to its starting value.

Alarms

To turn on illumination manually

Press L in any mode to illuminate the display for about one second.

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

Illumination is disabled while configuring sensor measurement mode settings.

About the Auto Light Switch

Turning on the auto light switch causes illumination to turn on, whenever you position your wrist as described below in any mode.

Alarm number

Current time

Alarm time (Hour : Minutes)

To set an alarm time

The Alarm Mode gives you a choice of four onetime 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.

When you enter the Alarm 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 Alarm Mode, which you enter by pressing D.

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

E

 

AL1

 

 

 

AL2

 

 

 

AL3

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 illuminate the display under bright light.

The auto light switch is always disabled, regardless of its on/off setting, when any one of the following conditions exists.

While an alarm is sounding During sensor measurement

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

Wear the watch on the outside of your wrist.

Parallel to

More than

ground

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

Alarm on indicator

SIG

SNZ

AL4

2.Hold down A until the hour setting of the alarm time start to flash, which indicates the setting screen.

This automatically turns on the alarm.

3.Press D to move the flashing between the hour and minute settings.

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

When setting the alarm time using the 12-hour format, take care to set the time correctly as a.m. (no indicator) or p.m. (P indicator).

5.Press A to exit the setting screen.

Alarm Operation

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.

Alarm and Hourly Time Signal operations are performed in accordance with the Timekeeping Mode time.

To stop the alarm tone after it starts to sound, press any button.

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

To test the alarm

In the Alarm Mode, hold down E to sound the alarm.

in accident or injury. Also take care that sudden illumination by the

auto light switch does not startle or distract others around you.

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 the Timekeeping Mode, hold down L for about three seconds to toggle the auto light switch on (A.EL displayed) and off (A.EL not displayed).

The auto light switch on indicator (A.EL) is on the display in all modes while the auto light switch is turned on.

The auto light switch turns off automatically whenever battery power drops to Level 3.

Illumination may not turn on right away if you raise the watch to your face while a barometric pressure or altitude measurement operation is in progress.

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