Casio GW-2500B-1AER Manual

Casio Ur GW-2500B-1AER

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Operation Guide 5064

MO0905- AE

Getting Acquainted

Congratulations upon your selection of this CASIO watch. To get the most out of your

purchase, be sure to read this manual carefully.

Keep the watch exposed to bright light

The electricity generated by the solar cell of the watch is

stored by a built-in battery. Leaving or using the watch

where it is not exposed to light causes the battery to run

down. Make sure the watch is exposed to light as much as

possible.

•When you are not wearing the watch on your wrist,

position the face so it is pointed at a source of bright

light.

•You should try to keep the watch outside of your sleeve

as much as possible. Charging is reduced significantly if

the face is even only partially covered.

Bright Light

Solar cell

•The watch continues to operate, even when it is not exposed to light. Leaving the

watch in the dark can cause the battery to run down, which will result in some watch

functions to be disabled. If the battery goes dead, you will have to re-configure watch

settings after recharging. To ensure normal watch operation, be sure to keep it

exposed to light as much as possible.

All

functions

enabled

LEVEL 1

LEVEL 2

LEVEL 3

LEVEL 4

Charge

Rechargeable battery

Bright Light

Electrical

energy

Solar cell

(Converts light to

electrical power.)

Some or all

functions

disabled

LEVEL 1

LEVEL 2

LEVEL 3

LEVEL 4

Dis-

charge

Battery charges in the light. Battery discharges in the dark.

•The actual level at which some functions are disabled depends on the watch model.

•Frequent display illumination can run down the battery quickly and require charging.

The following guidelines give an idea of the charging time required to recover from a

single illumination operation.

Approximately 5 minutes exposure to bright sunlight coming in through a window

Approximately about 8 hours exposure to indoor fluorescent lighting

•Be sure to read “Power Supply” for important information you need to know

when exposing the watch to bright light.

If the display of the watch is blank...

If the display of the watch is blank, it means that the watch’s Power Saving function

has turned off the display to conserve power.

•See “Power Saving Function” for more information.

Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any

damage or loss suffered by you or any third party arising through the use of this

product or its malfunction.

About This Manual

•Depending on the model of your watch, display text

appears either as dark figures on a light background or

light figures on a dark background. All sample displays

in this manual are shown using dark figures on a light

background.

•Button operations are indicated using the letters shown

in the illustration.

•Each section of this manual provides you with the

information you need to perform operations in each

mode. Further details and technical information can be

found in the “Reference” section.

General Guide

•Press C to change from mode to mode.

•In any mode (except a setting mode), press to illuminate the display for aboutB

one second.

Timekeeping Mode

Press .CAlarm Mode Countdown Timer Mode

▲

World Time Mode Stopwatch Mode

▲

Radio-controlled Atomic Timekeeping

This watch receives a time calibration signal and updates its time setting accordingly.

•This watch is designed to pick up the time calibration signals transmitted in Germany

(Mainflingen), England (Anthorn), the United States (Fort Collins), China

(Shangqiu), and Japan (Fukushima, Fukuoka/Saga).

•See the information under “Signal Reception Troubleshooting” if you experience

problems with time calibration signal reception.

Current Time Setting

This watch adjusts its time setting automatically in accordance with a time calibration

signal. You also can perform a manual procedure to set the time and date, when

necessary.

•The first thing you should do after purchasing this watch is to specify your

Home City (the city where you normally will use the watch). For more

information, see “To specify your Home City”.

•When using the watch outside the areas covered by the time signal transmitters, you

will have to adjust the current time setting manually as required. See

“To set the time

and date manually” for more information about manual time settings.

•The U.S. time calibration signal can be picked up by the watch while in North

America. The term “North America” in this manual refers to the area that consists of

Canada, the continental United States, and Mexico.

•As of January 2008, China does not use Daylight Saving Time (DST). If China does

go to the Daylight Saving Time system in the future, some functions of this watch

may no longer operate correctly.

To specify your Home City

1. In the Timekeeping Mode, hold down A for about five

seconds until the left dial hand points to and the cityT1

code flashes on the upper display. This is the setting

mode.

2. Press D B (east) and (west) to select the city code

you want to use as your Home City.

LIS, LON : Lisbon, London

MAD BER STO , PAR, ROM, , : Madrid, Paris, Rome,

Berlin, Stockholm

ATH : Athens

MOW : Moscow

HKG, BJS TPE, : Hong Kong, Beijing, Taipei

SEL, TYO : Seoul, Tokyo

HNL : Honolulu

ANC : Anchorage

YVR LAX , : Vancouver, Los Angeles

City code

Hour : Minutes

PM indicator Seconds

Left dial

hand

YEA DEN, : Edmonton, Denver

MEX CHI, : Mexico City, Chicago

MIA YTO NYC, , : Miami, Toronto, New York

YHZ : Halifax

YYT : St.Johns

3. Press A twice to exit the setting mode.

•Normally, your watch should show the correct time as soon as you select your Home

City code. If it does not, it should adjust automatically after the next auto receive

operation (in the middle of the night). You also can perform manual receive or you

can set the time manually.

•The watch will receive the time calibration signal automatically from the applicable

transmitter (in the middle of the night) and update its settings accordingly. For

information about the relationship between city codes and transmitters, see

“Important!” under “Time Calibration Signal Reception” and “Transmitters”.

•See the maps under “Approximate Reception Ranges” for information about the

reception ranges of the watch.

Time Calibration Signal Reception

There are two different methods you can use to receive the time calibration signal:

auto receive and manual receive.

•Auto Receive

With auto receive, the watch receives the time calibration signal automatically up to six

times a day (five times for the China signal). When any auto receive is successful,

remaining auto receive operations are not performed. For more information, see

“About Auto Receive”.

•Manual Receive

Manual receive lets you start a time calibration receive operation with the press of a

button. For more information, see “To perform manual receive”.

Important!

•When getting ready to receive the time calibration signal, position the watch as

shown in the nearby illustration, with its 12 o’clock side pointing towards a window.

This watch is designed to receive a time calibration signal late at night. Because of

this, you should place the watch near a window as shown in the illustration when you

take it off at night. Make sure there are no metal objects nearby.

12 o’clock

•Make sure the watch is facing the right way.

Operation Guide 5064

•Proper signal reception can be difficult or even impossible under the conditions listed

below.

•Signal reception normally is better at night than during the day.

•Time calibration signal reception takes from two to seven minutes, but in some

cases it can take as long as 14 minutes. Take care that you do not perform any

button operations or move the watch during this time.

Inside or

among

buildings

Inside a

vehicle

Near a

construction

site, airport, or

other sources

of electrical

noise

Near high-

tension power

lines

Among or

behind

mountains

Near household

appliances,

office

equipment,

or a mobile

phone

•The time calibration signal the watch will attempt to pick up depends on its current

Home City code setting as shown below.

Home City Code

LON BER, PAR, , ATH,

LIS, MAD STO MOW, ROM, , *

HKG, BJS

TPE SEL, , TYO

HNL*, ANC*, LAX, DEN,

CHI, NYC, YVR, YEA, MEX,

MIA, YTO, YHZ, YYT

Frequency

60.0 kHz

77.5 kHz

68.5 kHz

40.0 kHz

60.0 kHz

Transmitter

Anthorn (England)

Mainflingen (Germany)

Shangqiu City (China)

Fukushima (Japan)

Fukuoka/Saga (Japan)

Fort Collins, Colorado

(the United States)

* The areas covered by the HNL, ANC, and MOW city codes are quite far from the

time calibration signal transmitters, and so certain conditions may cause problems

with signal reception.

•Calibration signal reception is disabled while a countdown timer operation is in

progress.

Approximate Reception Ranges

2,000 miles

(3,000 kilometers)

U.K. and German Signals

Anthorn Mainflingen

1,500 kilometers

500 kilometers

The Anthorn signal is

receivable within this

area.

U.S. Signal

Fort Collins

600 miles

(1,000 kilometers)

Japan Signals

1,000 kilometers

Fukuoka/Saga

500 kilometers

Fukushima

500 kilometers

Changchun

Beijing

1,500 kilometers

China Signal

Shanghai

Hong Kong

Shangqiu

Chengdu

Signals are receivable in the Taiwan area when reception conditions are good.

•Signal reception may not be possible at the distances that are further than those

noted below during certain times of the year or day. Radio interference also may

cause problems with reception.

Mainflingen (Germany) or Anthorn (England) transmitters: 500 kilometers

(310 miles)

Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)

Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles)

Shangqiu (China) transmitter: 1500 kilometers (910 miles)

•Even when the watch is within the reception range of the transmitter, signal

reception will be impossible if the signal is blocked by mountains or other geological

formations between the watch and signal source.

•Signal reception is affected by weather, atmospheric conditions, and seasonal

changes.

Midnight

1:00 am*

2:00 am*

3:00 am*

4:00 am*

About Auto Receive

The watch receives the time calibration signal automatically up to six times a day (five

times for the China signal). When any auto receive is successful, remaining auto

receive operations are not performed. The reception schedule (calibration times)

depends on your currently selected Home City, and whether standard time or Daylight

Saving Time is selected for your Home City.

1:00 am

2:00 am

3:00 am

4:00 am

5:00 am

2:00 am

3:00 am

4:00 am

5:00 am

Midnight

3:00 am

4:00 am

5:00 am

Midnight

1:00 am*

4:00 am

5:00 am

Midnight

1:00 am*

2:00 am*

5:00 am

Midnight

1:00 am*

2:00 am*

3:00 am*

LON

LIS

PAR

BER

MAD

ROM

STO

ATH

MOW

Standard Time

Daylight Saving Time

Standard Time

Daylight Saving Time

Standard Time

Daylight Saving Time

Standard Time

Daylight Saving Time

Your Home City 123456

Auto Receive Start Times

HKG

BJS

TYO

TPE

SEL

HNL

ANC

LAX

DEN

CHI

NYC

YVR

YEA

MEX

MIA

YTO

YHZ

YYT

Standard Time

Standard Time and

Daylight Saving Time

1:00 am

Midnight

2:00 am

1:00 am

3:00 am

2:00 am

4:00 am

3:00 am

5:00 am

4:00 am

5:00 am

*Next day

Note

•When a calibration time is reached, the watch will receive the calibration signal only

if it is in either the Timekeeping Mode or World Time Mode. Reception is not

performed if a calibration time is reached while you are configuring settings.

•Auto receive of the calibration signal is designed to be performed early in the

morning, while you sleep (provided that the Timekeeping Mode time is set correctly).

Before going to bed for the night, remove the watch from your wrist, and put it in a

location where it can receive the signal easily.

•The watch receives the calibration signal for two to 14 minutes everyday when the

time in the Timekeeping Mode reaches a calibration time. Do not perform any button

operation within 14 minutes before or after the calibration times. Doing so can

interfere with correct calibration.

•Remember that reception of the calibration signal depends on the current time in

your Home City, as kept in the Timekeeping Mode.

To perform manual receive

1. Place the watch on a stable surface so its 12 o’clock

side is facing towards a window.

2. In the Timekeeping Mode, hold down A for about two

seconds until the watch beeps.

3. The digital display will go blank, and the left dial hand

will move to R (READY). This indicates that the watch is

getting ready for time calibration signal reception.

•See the information under “Signal Reception

Troubleshooting” if you experience problems.

•The left dial hand will move to W (WORK) and stay there

while actual reception is in progress.

•If signal reception is unstable during reception, the left

dial hand may move between ) andW (WORK

R (READY).

•The hour and minute hands continue to keep time

normally.

Receiving

R (READY)W (WORK)

•Time calibration signal reception takes from two to

seven minutes, but in some cases it can take as long as

14 minutes. Take care that you do not perform any

button operations or move the watch during this time.

•When a signal receive operation is successful, GET

appears on the upper display and the lower display

shows the time and date of the successful operation.

The watch will adjust its time setting in accordance to

with the information provided by the signal.

•The watch will return to the Timekeeping Mode if you

press A or if you do not perform any operation for

about one or two minutes.

•ERR will appear on the upper display if the receive

operation is not successful. The watch will not adjust its

time setting in this case. Press to return to theA

Timekeeping Mode.

Receive failed

Receive successful

Note

•To interrupt a receive operation and return to the Timekeeping Mode, press any

button.

To check the latest signal reception results

In the Timekeeping Mode, press to view the last successful receive time and date.A

Press A again to return to the previous screen.

▲

Date Hour : Minutes

Produkt Specifikationer

Mærke:	Casio
Kategori:	Ur
Model:	GW-2500B-1AER
Vægt:	66 g
Dimensioner (BxDxH):	46.9 x 15.8 x 47 mm
Armbånd, materiale:	Resin
Urkassens materiale:	Rustfrit stål
Kalender:	Ja
Ur-indstilling:	12t/24t
Stopur:	Ja
Timer:	1/1min - 1h
Indikator for batteriniveau:	Ja
LED-baggrundsbelysning:	Ja
Batteritype:	CTL920
Antal understøttede batterier:	1
Slagfast:	Ja
Urets glastype:	Mineral
Alarmfunktion:	Ja
Snooze funktion:	Ja
Vandbestandig dybde:	200 m
Verdenstid funktkon:	Ja
Radiosignal modtager:	DCF/MSF/WWVB/JJY/BPC
Solenergi:	Ja