Casio 2506 Посібник користувача - Сторінка 4

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Time Calibration Signal Reception Precautions

• This watch is able to receive the time calibration signal

transmitted from Mainflingen, Germany (located 25

kilometers southeast of Frankfurt). Signal reception is

possible within the area represented by a circle with a

radius of about 800 kilometers.

• Even when the watch is within the reception range,

signal reception is impossible if the signal is blocked by

mountains or other geological formations between the

watch and signal source.

Frankfur t

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

changes.

• The time calibration signal is bounced off the ionosphere. Because of this, such

factors as changes in the reflectivity of the ionosphere, as well as movement of the

ionosphere to higher altitudes due to seasonal atmospheric changes or the time of

day may change the reception range of the signal and make reception temporarily

impossible.

• This watch is designed to receive the signal transmitted from Mainflingen. This

means that reception is best when the antenna built into the 12 o'clock edge of the

watch is facing towards Mainflingen. Note, however, that moving the watch while the

time calibration signal receive operation is taking place will make stable reception

impossible.

• Think of the watch as acting like a TV or radio when it is receiving the calibration

signal. When receiving indoors, move to a location as near as possible to a window.

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

listed below.

Near TVs, refrigerators, computers, or other household appliances

Far away from broadcasting stations among ferro-concrete structures or near

mountains

Underground, in tunnels or in ferro-concrete buildings

Near high-tension wires, neon signs, or radio stations with interfering frequencies

Near railroads, highways or airports

In trains or cars

• Radio interference can make signal reception impossible.

• Strong electrostatic charge can result in the wrong time being set.

• The daily alarm and hourly time signal do not operate during signal reception.

• If you are in an area where proper time calibration signal reception is impossible, the

watch keeps time within ±15 seconds a month at normal temperature.

Troubleshooting

Check the following points whenever you experience problems with your watch.

Problem

Probable Cause

Cannot perform

The watch is not in the Timekeeping Mode.

manual receive.

• You changed the time setting manually.

Auto receive is

• The watch was not in the Timekeeping

turned on, but

the receive

or World Time Mode or you were

indicator does

performing some button operation

not appear on

during the last auto signal receive

the display.

operation was perfor med.

• The receive indicator does not appear if a

single receive operation is not successful.

Even if receive is successful, the receive

indicator disappears every day at 3am.

• If the time is one hour off, DST is turned on.

Time setting is

• The Home City Code setting is not

incorrect

following signal

correct for the area where you are using

reception.

the watch.

World Time

• The current time in all World Time Mode cities is calculated in accordance with the

Greenwich Mean Time (GMT) differential for each city, based on the current Home

City time setting in the Timekeeping Mode.

• GMT differential is calculated by this watch based on Universal Time Coordinated

(UTC) data.

Backlight Precautions

• The electro-luminescent panel that provides illumination loses power after very long use.

• The illumination provided by the backlight may be hard to see when viewed under

direct sunlight.

• The watch may emit an audible sound whenever the display is illuminated. This is

due to vibration of the EL panel used for illumination, and does not indicate

malfunction.

• The backlight automatically turns off whenever an alarm sounds.

USER'S GUIDE 2506

What you should do

Enter the Timekeeping Mode

and try again.

• Wait perform manual signal

receive or wait until the next

auto signal receive operation

is performed.

• Check to make sure the watch

is in a location where it can

receive the signal.

• Put the watch in a location that

is suitable for good reception.

• Tur n off DST.

• Select the correct Home City

Code.

City Code Table

City

GMT

City

Code

Differential

– – –

–11

PAGO PAGO

HNL

HONOLULU

–10

PAPEETE

ANC

ANCHORAGE

–9

NOME

SAN FRANCISCO, LAS VEGAS, VANCOUVER,

LAX

LOS ANGELES

–8

SEA TTLE, DAWSON CITY

DEN

DENVER

–7

EL PASO, EDMONTON

HOUSTON, DALLAS/FORT WORTH, NEW

CHI

CHICAGO

–6

ORLEANS, MEXICO CITY, WINNIPEG

MONTREAL, DETROIT, MIAMI, BOSTON, PANAMA

NYC

NEW YORK

–5

CITY, HAVANA, LIMA, BOGOTA

CCS

CARACAS

–4

LA PAZ, SANTIAGO, PORT OF SPAIN

SAO PAULO, BUENOS AIRES, BRASILIA,

RIO

RIO DE JANEIRO

–3

MONTEVIDEO

– – –

–2

– – –

–1

PRAIA

GMT

DUBLIN, LISBON, CASABLANCA, DAKAR,

+00

LON

LONDON

ABIDJAN

BER

BERLIN

MILAN, ROME, MADRID, AMSTERDAM, ALGIERS,

+01

PAR

PARIS

HAMBURG, FRANKFURT, VIENNA, STOCKHOLM

CAI

CAIRO

ATHENS, HELSINKI, ISTANBUL, BEIRUT,

+02

JRS

JERUSALEM

DAMASCUS, CAPE TOWN

KUWAIT, RIYADH, ADEN, ADDIS ABABA, NAIROBI,

JED

JEDDAH

+03

MOSCOW

THR

TEHRAN

+3.5

SHIRAZ

DXB

DUBAI

+04

ABU DHABI, MUSCAT

KBL

KABUL

+4.5

KHI

KARACHI

+05

MALE

DEL

DELHI

+5.5

MUMBAI, KOLKATA

DAC

DHAKA

+06

COLOMBO

RGN

YANGON

+6.5

BKK

BANGKOK

+07

JAKARTA, PHNOM PENH, HANOI, VIENTIANE

SINGAPORE, KUALA LUMPUR, BEIJING, TAIPEI,

HKG

HONG KONG

+08

MANILA, PERTH, ULAANBAATAR

TYO

TOKYO

+09

SEOUL, PYONGYANG

ADL

ADELAIDE

+9.5

DARWIN

SYD

SYDNEY

+10

MELBOURNE, GUAM, RABAUL

NOU

NOUMEA

+11

PORT VILA

WLG

WELLINGTON

+12

CHRISTCHURCH, NADI, NAURU ISLAND

• Based on data as of December 2001.

Character List

(space)

Other major cities in same time zone

–