Alarms, Countdown timer, Stopwatch – G-Shock GW-1000BDJ-8A User Manual

Page 3: Illumination, Operation guide 2752

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Operation Guide 2752

3

To toggle a city code time between Standard Time and Daylight Saving Time

1. In the World Time Mode, use B and D to display the

city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.

• Pressing A in the World Time Mode causes the

applicable city code to appear on the digital display for
about one second.

2. Hold down A to toggle Daylight Saving Time (DST

indicator displayed) and Standard Time (DST indicator
not displayed).

DST indicator

• Note that you cannot use the World Time Mode to change the DST setting of the

Home City code you currently have selected in the Timekeeping Mode. See “To
change the Daylight Saving Time (summer time) setting” for information about
turning the Home City code DST setting on and off.

• Note that you cannot switch between Standard Time and Daylight Saving Time while

GMT

is selected as the city code.

• The DST indicator will appear on the display whenever you display a city code for

which Daylight Saving Time is turned on.

• Note that the DST/Standard Time setting affects only the currently displayed city

code. Other city codes are not affected.

Alarms

You can set five independent daily alarms. When an alarm
is turned on, the alarm tone sounds when the alarm time
is reached.
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.

• The alarm number (

A1

through

A5

) indicates an alarm

screen.

00

is shown for the alarm time when the Hourly

Time Signal screen is on the display.

• All of the operations in this section are performed in the

Alarm Mode, which you enter by pressing C.

Mode indicator

Alarm number

Alarm time
(Hour : Minutes)

To set an alarm time

1. In the Alarm Mode, use D to scroll through the alarm

screens until the one whose time you want to set is
displayed.

2. Hold down A until the hour digits of the alarm time

start to flash, which indicates the setting screen.

• This 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.

A1

A2

A3

00

A5

A4

l l l l

l

ll

ll

l

l

l

Hourly time signal
on indicator

Alarm on
indicator

Alarm Operation

The alarm sounds in all modes at the preset time for about 10 seconds, or until you
stop it by pressing any button.

To test the alarm

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

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

1. In the Alarm Mode, use D to select an alarm or the Hourly Time Signal.
2. When the alarm or the Hourly Time Signal you want to set is selected, press B to

turn it on and off.

Indicates alarm is ON.

Indicates Hourly Time Signal is ON.

• The alarm on indicator (

) and the Hourly Time Signal on indicator (

) 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.

Countdown Timer

You can set the countdown timer within a range of one to
60 minutes. An alarm sounds when the countdown
reaches zero.

• You can also select auto-repeat, which automatically

restarts the countdown from the original value you set
whenever zero is reached.

• All of the operations in this section are performed in the

Countdown Timer Mode, which you enter by pressing
C.

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 current
countdown start time starts to flash, which indicates the
setting screen.

Minutes

Seconds

Mode indicator

• If the countdown start time is not displayed, use the procedure under “To use the

countdown timer” to display it.

2. Press C to move the flashing in the sequence shown below to select other

settings.

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

• See “To turn auto-repeat on and off” below for details on the auto-repeat setting.

4. Press A to exit the setting screen.

Minutes

Auto-

repeat

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 and auto-repeat is turned off, 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.

• 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 turn auto-repeat on and off

1. While the countdown start time is on the display in the

Countdown Timer Mode, hold down A until the current
countdown start time starts to flash, which indicates the
setting screen.

2. Press C to move the flashing to the auto-repeat

setting.

3. Press D to turn auto-repeat on (

displayed) and

off (

displayed).

4. Press A to exit the setting screen.

• When auto-repeat is turned on, the alarm sounds and

countdown starts again whenever the countdown
reaches zero. You can stop the countdown by pressing
D, and manually reset to the countdown start time by
pressing B.

• Auto-repeat timing repeats up to nine times.

l l l l

ll

ll

ll

l

l l l l

l

ll

ll

l

l

l

Number of repeats

Stopwatch

The stopwatch lets you measure elapsed time, split times,
and two finishes.

• The display range of the stopwatch is 99 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.

Seconds

Minutes

1/100 second

Mode indicator

D
Start

Stop

Elapsed Time

Re-start

Clear

D

Stop

D

➤D

➤B

Split Time

D
Start

Split

Split release

Clear

B

Stop

B

➤D

➤B

Two Finishes

D
Start

Split

Stop

Clear

B

Split release

D

➤B

➤B

First runner
finishes.
Display time of
first runner.

Second runner
finishes.

Display time of
second runner.

To measure times with the stopwatch

Illumination

The watch has 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
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 indicator) for it to operate.

• See “Illumination Precautions” for other important

information.

To turn on illumination manually

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

• The above operation turns on illumination regardless of

the current auto light switch setting.

Auto light switch
indicator

About the Auto Light Switch

Turning on the auto light switch causes the display illumination 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 illuminate the display 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.

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.

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.

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