G-shock 3334 User Manual download pdf (Page 3)

Operation Guide 3334

Specifying the Illumination Duration

1. In the Timekeeping Mode,

hold down

A for about

one second until the city

code starts to flash in the

bottom dial. This is the

setting screen.

2. Press the

C button three

times to move the flashing

to the seconds count in

the left dial.

Reception Range

This watch is designed to receive the standard time calibration signal of Japan (JJY) or of the United States (WWVB). The signal that is

received depends on the current Home City setting.

• For information about selecting a Home City, see “Manually Setting the Time and Date”. For information about city codes, see the

“City Code List”.

Home City

TYO

LAX, DEN, CHI, NYC

Transmitter

Either the Mt. Otakadoya signal (40kHz) or the Mt. Hagane signal (60kHz)

Fort Collins, Colorado signal

1000km

Mt. Hagane

(60kHz)

Mt. Otakadoya

(40kHz)

500km

1000km

500km

Transmitter Location

• Under optimum conditions, the calibration signal should be

receivable up to 1,000 kilometers from the transmitter. Note

that the wave is relatively weak at distances greater than

500km, so reception may be poor at long distances.

Transmitter Location

3000km

1000km

Fort Collins

• Under optimum conditions, the calibration signal should be

receivable up to 3,000 kilometers from the transmitter. Note

that the wave is relatively weak at distances greater than

1,000km, so reception may be poor at long distances.

• Geographic contours, nearby buildings, the season, the time of day, can even make reception impossible even when you are within range of

the transmitter.

• Best reception is possible late at night.

What is a radio-controlled watch?

Your radio-controlled watch is designed to receive a time

calibration signal that contains standard time data and adjust its

current time setting accordingly.

Signal is received using

built-in antenna.

Signal Data

Cesium

Atomic Clock

Transmitter

Long-wave

Calibration Signal

Internally

Decode

Watch

Time Data

Watch decodes

received data and

converts it to time

data.

Time is adjusted

according to time

data.

After the watch receives the time calibration signal, it performs

internal calculations to determine the current time. Because of

this, there may be an error of up to one second in the

displayed time.

Calibration Signal

• The Japanese calibration signal (Call Sign: JJY) is maintained by

the independent Japan Ministry of Posts and Telecommunications

Communication Research Laboratory (CRL). It is a long wave

signal transmitted 24 hours a day from the Mt. Otakadoya

transmitter (40kHz) located in Tamura-gun, Fukushima Prefecture,

and from the Mt. Hagane transmitter (60kHz) located on the

border between Saga Prefecture and Fukuoka Prefecture.

• The U.S. calibration signal (Call Sign: WWVB) is transmitted by

the National Institute of Standards and technology from Fort

Collins, Colorado.

Though the calibration signal is normally transmitted 24 hours

a day, transmission may be interrupted occasionally due to

maintenance, lightening, etc.

How a Radio-controlled Watch Works

City Code

Seconds

(3 times)

3. Press the

B button to

toggle the illumination

duration between about

1.5 seconds ( in the

bottom dial) and 2.5

seconds ( in the bottom

dial).

4. After the setting is the way you want, press the

button to exit the setting screen.

• The watch will also exit the setting screen automatically if you

do not perform any operation for about two or three minutes.

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Operation Guide 3334 1

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