Bedienungsanleitung Casio 4757 (Seite 1 von 4) (Englisch)

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Operation Guide 4757

MO0611-EA

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.

If all the analog hands are stopped at 12 o’clock...

To conserve battery power, the watch is shipped from the

factory with its functions disabled. All the watch’s analog

hands are stopped at 12 o’clock, and the digital display

alternates between the hour and minute. To activate the

watch’s functions, press any one of the three buttons. This

will cause the analog hands to move to the current time

setting.

About This Manual

• Most of the display examples in this manual show only

the digital display, without the analog hands.

• 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.

Hour hand

Minute hand

Second hand

General Guide

• Press C to change from mode to mode.

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

the face of the watch.

▲

Alarm Mode

▲

Timekeeping Mode

Press C.

▲

Receive Result Mode

Home Position

Adjustment Mode

Radio-controlled Atomic Timekeeping

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

The time calibration signal includes both Standard Time and Daylight Saving Time

(summer time) data.

• This watch is designed to pick up the time calibration signal transmitted from

Mainflingen, Germany and the signal from Rugby, England.

Current Time Setting

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

signal. You can also 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

Time Zone, which is the time zone where you will normally use the watch. For more

information, see “To specify your Home Time Zone” below.

• When using the watch outside the range of the time signal transmitter, you will have

to adjust the current time setting manually as required. See “Timekeeping” for more

information about manual time settings.

To specify your Home Time Zone

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

seconds until the currently selected time zone appears

on the display. This is the setting screen.

• The GMT differential value indicates the time

difference in hours between Greenwich Mean Time

and the currently selected time zone.

2. Press A to select the time zone you want to use as

your Home Time Zone.

• The following are the GMT differential values for major

cities in the Western Europe time zones.

Time zone

Time Zone

Major cities in time zone

London, Dublin, Lisbon

Paris, Milan, Rome, Madrid,Amsterdam,

Hamburg, Berlin, Frankfurt, Vienna,

Stockholm

Athens, Helsinki

3. Press B to exit the setting screen.

• The watch will also return to the Timekeeping Mode if you do not perform any

operation for two or three minutes.

• Your watch should show the correct time when you exit the Home Time Zone setting

screen. While the hands are moving to the new time setting, the current time will be

shown on the digital display. If it does not, it should adjust automatically after the

next auto receive operation (in the middle of the night). You can also perform manual

receive or you can set the time manually.

• Even if the time calibration signal is received correctly, there are some times when

the analog hands may not indicate the correct time. If this happens, use the

procedures under “Adjusting the Home Positions” to check the home positions of the

hands, and make adjustments as required.

• See the map under “Reception Ranges” for information about the reception ranges

of the watch.

• You can disable time signal reception, if you want. See “To set the time and date

manually” for more information.

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. When any auto receive is successful, the 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”.

12 o’clock

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 facing towards a window.

Make sure there are no metal objects nearby.

• Make sure the watch is facing the right way.

Inside or

among

buildings

Inside a

vehicle

Near

household

appliances or

office

equipment,

or a mobile

phone

Near a

construction

site, airport, or

other sources

of electrical

noise

Near high-

tension

power lines

Among or

behind

mountains

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

listed below.

• Signal reception is normally 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.

• When within range of the applicable transmitter, this watch can receive either the

Germany (Mainflingen) or England (Rugby) time calibration signals.

See “Transmitters” for more information.

Rugby

Mainflingen

1,500 kilometers

500 kilometers

Reception Ranges

• At distances further than about 500 kilometers from a transmitter, signal reception

may not be possible during certain times of year or times of day. Radio interference

may also cause problems with reception.

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

reception is 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.

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

problems with time calibration signal reception.

Casio 4757 Anleitung

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