Casio GW-7900B-1ER Bedienungsanleitung

Casio Armbanduhr GW-7900B-1ER

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Operation Guide 3193 3200

MO0908-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.

Warning!

•The measurement functions built into this watch are not intended for taking

measurements that require professional or industrial precision. Values produced

by this watch should be considered as reasonable representations only.

•The Moon phase indicator and tide graph data that appear on the display of this

watch are not intended for navigation purposes. Always use proper instruments

and resources to obtain data for navigation purposes.

•This watch is not an instrument for calculating low tide and high tide times. The

tide graph of this watch is intended to provide a reasonable approximation of

tidal movements only.

•CASIO COMPUTER CO., LTD. assumes no responsibility for any loss, or any

claims by third parties that may arise through the use of this watch.

Keep the watch exposed to bright light

The electricity generated by the solar cell of the watch is

stored by a rechargeable 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 covered only par tially.

Bright Light

Solar cell

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.)

LEVEL 1

LEVEL 2

LEVEL 3

LEVEL 4

Some or all

functions

disabled

Dis-

charge

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

•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.

•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 (Module 3193), or light figures on a dark background (Module

3200). All of the illustrations in this manual show Module 3193.

•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. Fur ther details and technical information can be found in

the “Reference” section.

Module 3193 Module 3200

Countdown Timer Mode Stopwatch Mode

Alarm Mode

▲

World Time Mode

▲

General Guide

•Press C to change from mode to mode.

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

the display.

Timekeeping Mode

Press .C

▲

Tide/Moon Data 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).

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” below.

•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 “Timekeeping”

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.

To specify your Home City

1. In the Timekeeping Mode, hold down A until the city

code starts to flash, which indicates the setting screen.

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

YEA DEN, : Edmonton, Denver

MEX CHI, : Mexico City, Chicago

NYC : New York

YHZ : Halifax

YYT : St.Johns

City code

PM indicator

Seconds

Hour : Minutes

3. Press A to exit the setting screen.

•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.

•You can disable time signal reception, if you want. See “To turn auto receive on and

off” for more information.

•Under factory default settings, auto receive is turned off for all of the following city

codes: MOW HNL ANC (Moscow), (Honolulu), and (Anchorage). For details about

turning on auto receive for these city codes, see “To turn auto receive on and off”.

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

6 times a day (5 times a day for the Chinese calibration signal). 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”.

Operation Guide 3193 3200

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.

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

below.

Inside or

among

buildings

Inside a

vehicle Near a

construction

site, airport,

or other

sources of

electrical

noise

Near high-

tension power

lines

Near

household

appliances,

office

equipment,

or a mobile

phone

Among or

behind

mountains

•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.

•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

LIS, LON, MAD, PAR, ROM,

BER, STO, ATH, MOW*

HKG, BJS

TPE, SEL, TYO

HNL*, ANC*, YVR, LAX, YEA,

DEN, MEX, CHI, NYC, 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 city codes are quite far from theHNL, ANC, and MOW

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

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

2,000 miles

(3,000 kilometers)

600 miles

(1,000 kilometers)

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

Shangqiu

1,000 kilometers

Fukuoka/Saga

500 kilometers

Fukushima

500 kilometers

Changchun

Beijing

1,500 kilometers

Shanghai

Chengdu

Japan Signals

China Signal

Hong Kong

•Signal reception may not be possible at the distances 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: 1,500 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.

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

problems with time calibration signal reception.

About Auto Receive

The watch receives the time calibration signal automatically up to 6 times a day

(5 times a day for the Chinese calibration signal). When any auto receive is

successful, the 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.

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*

Standard Time

Daylight Saving Time

Standard Time

Daylight Saving Time

Standard Time

Daylight Saving Time

Standard Time

Daylight Saving Time

1:00 am

2:00 am

3:00 am

4:00 am

5:00 am

Midnight*

1:00 am*

2:00 am*

3:00 am*

4:00 am*

LIS

LON

MAD

PAR

ROM

BER

STO

ATH

MOW

Your Home City Auto Receive Start Times

1 2 3 4 5 6

*Next day

HKG

BJS

TPE

SEL

TYO

HNL

ANC

YVR

LAX

YEA

DEN

MEX

CHI

NYC

YHZ

YYT

Standard Time and

Daylight Saving Time

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

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 seven minutes everyday when

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

button operation within seven 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 the

Timekeeping Mode. The receive operation will be performed whenever the display

shows any one of the calibration times, regardless of whether or not the displayed

time actually is the correct time.

About the Signal Strength Indicator

The signal strength indicator shows the strength of the calibration signal being

received. For best reception, be sure to keep the watch in a location where signal

strength is strongest. The signal strength indicator is displayed while an auto or

manual receive operation is in progress.

Settings updated indicator

Signal strength indicator

Strong

(Level 3)

Weak

(Level 1)

•Even in an area where signal strength is strong, it takes about 10 seconds for signal

reception to stabilize enough for the signal strength indicator to indicate signal

strength.

•Use the signal strength indicator as a guide for checking signal strength and for

finding the best location for the watch during signal receive operations.

•Following reception of the time calibration signal and calibration of the watch’s time

setting, the Settings updated indicator will remain on the display in all modes. The

Settings updated indicator will not be displayed if signal reception was unsuccessful

or after you adjust the current time setting manually.

•The Settings updated indicator is displayed only when the watch is able to receive

both time and date data successfully. It does not appear when only time data is

received.

•The Settings updated indicator indicates that at least one of the auto calibration

signal receive operations was successful. Note, however, that the Settings updated

indicator disappears from the display each day when the first auto receive operation

of the day is performed.

To perform manual receive

1. Enter the Timekeeping Mode.

2. Hold down D for about two seconds until starts to

flash on the display. This indicates that manual receive

is in progress.

•Time calibration signal reception takes from two to

seven minutes. Take care that you do not perform

any button operations or move the watch during this

time.

•If the receive operation is successful, the reception

date and time appear on the display, along with the

GET indicator.

3. After manual receive is complete, press D to return to

normal timekeeping.

•The watch also will return to normal timekeeping if you

do not perform any button operation for about one or

two minutes.

Receiving

Receive successful

Operation Guide 3193 3200

•If the latest reception fails but a previous reception was

successful, an indicator ( ) will be on the display.

•The watch will return to normal timekeeping without

changing the time setting if you press or if you do notD

perform any button operation for about one or two

minutes.

Note

•To interrupt a receive operation and return to normal

timekeeping, press D.

If there was a previously

successful reception

If no reception was

successful

Receive failed

To turn auto receive on and off

1. In the Timekeeping Mode, press D to display the last

successful receive time and date screen.

2. Hold down A until the current auto receive setting (ON

or OFF) starts to flash. This is the setting screen.

•Note that the setting screen will not appear if the

currently selected Home City is one that does not

support time calibration reception.

3. Press D to toggle auto receive on (ON) and off

(OFF).

4. Press A to exit the setting screen.

•For information about city codes that support signal

receive, see “To specify your Home City” .

On/Off status

To check the latest signal reception results

Press D to view the last successful receive time and

date. Press D again to return to the previous screen.

•The watch is not in the

Timekeeping Mode.

•Your current Home City is not one

of the following: LIS, , , LON MAD

PAR, ROM, BER, STO, ATH,

MOW, , , , , HKG BJS TPE SEL

TYO, HNL, ANC, YVR, LAX, YEA,

DEN MEX CHI, , , , NYC YHZ, or

YYT

•You changed the time setting

manually.

•The DST setting was changed

manually in the World Time Mode.

•You pressed a button while signal

receive was in progress.

•Even if receive is successful, the

Settings updated indicator will

disappear from the display each

day when the first auto receive

operation of the day is performed.

•Time data (hour, minutes,

seconds) only was received

during the last receive operation.

The Settings updated indicator

appears only when time data and

date data (year, month, day) are

both received.

Cannot perform

manual receive.

Auto receive is

turned on, but

the Settings

updated

indicator does

not appear on

the display.

•Enter the Timekeeping Mode

and try again.

•Select LIS, LON, MAD, PAR,

ROM, BER, STO, ATH,

MOW, HKG, BJS, TPE, SEL,

TYO, HNL, ANC, YVR, LAX,

YEA MEX, DEN, , CHI NYC, ,

YHZ YYT, or as your Home

City.

•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.

What you should doProblem Probable Cause

Signal Reception Troubleshooting

Check the following points whenever you experience problems with signal reception.

•For further information, see “Important!” under “Time Calibration Signal Reception”

and “Radio-controlled Atomic Timekeeping Precautions”.

•If the time is one hour off, the

DST setting may be incorrect.

•The Home City code setting is

not correct for the area where

you are using the watch.

•Change the DST setting to

Auto DST.

•Select the correct Home City

code.

Time setting

is incorrect

following

signal

reception.

Tide/Moon Data

In the Tide/Moon Data Mode, you can see the current tide and the current date’s

Moon phase for your Home City. You can specify a date and view tide and Moon data

for that date.

•See “Moon Phase Indicator” for information about the Moon phase indicator and

“Tide Graph” for information about the tide graph.

•All of the operations in this section are performed in the Tide/Moon Data Mode.

Note

•It takes about two seconds to calculate tide graph data. You will not be able to

display a setting screen while data calculation is in progress.

•Moon age is calculated to an accuracy of ±1 day.

Tide Data

The Tide Graph that appears first when you enter the Tide/Moon Data Mode shows

the data at 6:00 a.m. for your currently selected Home City on the current date,

according to the Timekeeping Mode. From there you can specify another date or time.

•If the tide data is not correct, check your Timekeeping Mode settings and correct

them if necessary.

•If you feel that the information shown by the Tide Graph is different from actual tide

conditions, you need to adjust the high tide time. See “Adjusting the High Tide Time”

for more information.

Moon Data

The Moon phase and Moon age information that appears first when you enter the

Tide/Moon Data Mode shows the data at noon for your currently selected Home City

on the current date, according to the Timekeeping Mode. After that you can specify

another date to view data.

•If the Moon data is not correct, check your Timekeeping Mode settings and correct

them if necessary.

•If the Moon phase indicator shows a phase that is a mirror image of the actual moon

phase in your area, you can use the procedure under “Reversing the Displayed

Moon Phase” to change it.

Tide/Moon Data Screens

In the Tide/Moon Data Mode, press to toggle between the tide data screen and theA

Moon data screen.

Tide Data Screen Moon Data Screen

Current tide range

Current

tide level

Month – Day Moon phase

Time Moon age

Press .A

▲

Month – Day

•When you display the Tide Data Screen, it initially shows tide data for 6:00 a.m..

•Use the Tide Data Screen to specify the Tide Data time. You can use (+) andD

B (–) to change the displayed time in one-hour increments.

•Use the Moon Data Screen to specify the Tide/Moon Data date. You can use (+)D

and B (–) to change the displayed date in one-day increments. Pressing D and B

will display the year of the displayed date.

Adjusting the High Tide Time

Use the following procedure to adjust the high tide time within a particular date. You

can find out high tide information for your area from a tide table, the Internet, or your

local newspaper.

To adjust the high tide time

1. In the Tide/Moon Data Mode, hold down A until the

hour digits start to flash.

2. Use D (+) and B (–) to change the hour setting.

3. When the hour is the setting you want, press C.

•This will cause the minute digits to flash.

4. Use D (+) and B (–) to change the minute setting.

5. When the minute setting is the way you want, press A

to exit the adjustment screen and return to the Tide/

Moon Data Mode screen.

•Pressing D and B at the same time while the time

adjustment screen is displayed (steps 2 through 5

above) will return the high tide time to its initial factory

default setting.

•The high tide time setting is not affected by the DST

(summer time) setting of the Timekeeping Mode.

Hour

Minute

•On some days, there are two high tides. With this watch, you can adjust the first high

tide time only. The second high tide time for that day is adjusted automatically based

on the first high tide time.

Reversing the Displayed Moon Phase

The left-right (east-west) appearance of the Moon depends on whether the Moon is

north of you (northerly view) or south of you (southerly view) as you view it.

You can use the procedure below to reverse the displayed Moon phase so it matches

the actual appearance of the Moon where you are located.

•To determine the viewing direction of the Moon, use a compass to take a direction

reading of the Moon at its meridian passage.

•For information about the Moon phase indicator, see “Moon Phase Indicator”.

To reverse the displayed Moon phase

1. In the Tide/Moon Data Mode, hold down A until the

hour digits start to flash.

2. Press C twice.

•This will cause the Moon phase indicator to flash. This

is the indicator switching screen.

3. Press D to toggle the Moon phase indicator between

the southerly view (indicated by ) and northerly

view (indicated by ).

•Northerly view: Moon is north of you.

•Southerly view: Moon is south of you.

4. When the Moon phase indicator setting is the way you

want, press A to exit the switching screen and return

to the Tide/Moon Data Mode screen.

World Time

World Time shows the current time in 48 cities (31 time

zones) around the world.

•The times kept in the World Time Mode are

synchronized with the time being kept in the

Timekeeping Mode. If you feel that there is an error in

any World Time Mode time, check to make sure you

have the correct city selected as your Home City. Also

check to make sure that the current time as shown in

the Timekeeping Mode is correct.

•Select a city code in the World Time Mode to display the

current time in any particular time zone around the

globe. See the “City Code Table” for information about

the UTC differential settings that are supported.

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

World Time Mode, which you enter by pressing C.

Current time in

selected city

City code

To view the time in another city

While in the World Time Mode, use the (eastward) and (westward) to scrollD B

through the city codes (time zones).

•Pressing the D B and at the same time will jump to the UTC time zone.

Produktspezifikationen

Marke:	Casio
Kategorie:	Armbanduhr
Modell:	GW-7900B-1ER
Bandmaterial:	Harz
Uhrmodus:	12 h / 24 h
Timer:	1/1min - 24h
Kalender:	Ja
Stoppuhr:	Ja
Gewicht:	71 g
Akku-/Batterietyp:	CTL1616
Snooze Funktion:	Ja
Material des Uhrengehäuses:	Harz
Abmessungen (BxTxH):	50 x 17.7 x 52.4 mm
Wasserdicht bis Tiefe:	200 m
Uhrenglas-Typ:	Mineral
Weckerfunktion:	Ja
Batteriestandsanzeige:	Ja
Stoßfest:	Ja
Weltzeitfunktion:	Ja
Radiosignalempfänger:	DCF/MSF/WWVB/JJY/BPC
Solarenergie:	Ja