Stopwatch, Illumination, Timekeeping – G-Shock GW-1500A-1AV User Manual

Page 3: Operation guide 3366

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Operation Guide 3366

3

Reset the seconds to

00

Change the hour or minutes

Change the year

Change the month or day

To set the alarm time

1. In the Alarm Mode, press

D

to display the alarm

screen.

2. Hold down

A

until the hour setting of the alarm time

starts to flash, which indicates the setting screen.

This operation automatically turns on the alarm.

3. Press

C

to move the flashing between the hour and

minute settings.

4. While a setting is flashing, use

D

(+) 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 sounds at the preset time for about 10 seconds, regardless of the mode the
watch is in.

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lll

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Alarm time
(Hour : Minutes)

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

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

To test the alarm

In the Alarm Mode, hold down

D

to sound the alarm.

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

1. In the Alarm Mode, press

D

to select the alarm or the

Hourly Time Signal screen.

2. Press

A

to toggle the currently selected function on

(

Oo

displayed) and off (

Ow

displayed).

The alarm on indicator and the Hourly Time Signal on
indicator remain on the display in all modes while these
functions are turned on.

Hourly time signal
on indicator

Alarm on indicator

On/Off status

Stopwatch

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.

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

The elapsed time 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

.

STW

Minutes

Seconds

To measure times with the stopwatch

1/100 second

Minutes’ Seconds

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lllll

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D

Start

Stop

*

1

Elapsed Time

Re-start

Clear

D

Stop

*

1

D

D

A

*

1 When elapsed time measurement is stopped, the display alternates between a

minute and seconds screen, and a 1/100 second screen at 2-second intervals.

Split Time

D

Start

Split

*

2

Split release

Clear

A

Stop

*

1

A

D

A

*

2 Split times are displayed by cycling alternately through the split indicator (

SPL

),

a minute and seconds screen, and a 1/100 second screen.

Two Finishes

D

Start

Split

*

2

Split stop

*

3

Clear

A

Split release

*

1

D

A

A

First runner
finishes.
Display time of
first runner.

Second runner
finishes.

Display time of
second runner.

*

3 When a split time operation is stopped, the display cycles through the same values

as those described in *2 above. In this case, however, the minute symbol (

'

) and

the seconds symbol (

''

) do not flash.

Illumination

Two LEDs (light-emitting diodes) illuminate the face of the
watch for easy reading in the dark. The watch's auto light
switch automatically illuminates the face 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.

You can specify 1.5 seconds or 3 seconds as the
illumination duration.

See “Illumination Precautions” for other important
information.

To illuminate the face of the watch manually

In any mode (except when a setting screen is on the display), press

B

to illuminate

the face of the watch.

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

Auto light switch
on indicator

Parallel to
ground

More than
40

°

About the Auto Light Switch

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

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.

Warning!

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

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 (except when a setting screen is on the display), hold down

B

for about

two seconds to toggle the auto light switch on (

displayed) and off (

not

displayed).

The auto light switch on indicator (

) 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.

The auto light switch is disabled, regardless of its on/off setting, when the Hand
Setting Mode’s setting screen.

To specify the illumination duration

1. While any screen other than the last signal screen is on

the display in the Timekeeping Mode, hold down

A

until the city code starts to flash, which indicates the
setting screen.

2. Press

C

three times to move the flashing to the

seconds setting.

3. Press

B

to toggle the illumination duration setting

between 3 seconds ( ) and 1.5 seconds (

).

4. Press

A

to exit the setting screen.

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lll

ll

ll

Timekeeping

Use the Timekeeping Mode to set and view the current time and date. This section
also explains how to manually set the current date and time.

All of the operations in this section are performed in the Timekeeping Mode, which

you enter by pressing

C

.

Time

Seconds

Date

Press

A

.

Month. Day

Hour : Minutes

PM indicator

Day of week

Press

D

.

Last Signal

Screens

2 seconds

A

A

Setting the Digital Time and Date Manually

Make sure you select your Home City code before you change the current time and
date settings. World Time Mode times are all displayed in accordance with the
Timekeeping Mode settings. Because of this, World Time Mode times will not be
correct if you do not select the proper Home City code before setting the time and
date in the Timekeeping Mode.

To set the current digital time and date manually

1. While any screen other than the last signal screen is on

the display in the Timekeeping Mode, hold down

A

until the city code starts to flash, which indicates the
setting screen.

See “City Code Table” for a complete list of available

city codes.

2. Press

C

to move the flashing in the sequence shown

below to select other settings.

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ll

ll

ll

ll

ll

l

3. When the setting you want to change is flashing, use

D

to change it as described

below.

The following steps explain how to configure timekeeping settings only.

Seconds

Hour

Minutes

12/24-Hour
Format

Month

Year

DST

Day

Power
Saving

City Code

Screen

To do this:

Change the city code

Cycle between Daylight Saving Time
(

ON

), Standard Time (

OFF

), and

Auto DST (

A

vtA

)

Toggle between 12-hour (

12H

) and

24-hour (

24H

) timekeeping

Do this:

Press

D

(east).

Press

D

.

Press

D

.

Press

D

.

Press

D

(to increase).

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