Casio Watch 3061 Users Manual QW 3050

MO0605-EA qw3050

3061 to the manual 28fb945e-e1f0-47d3-85d6-07cce955835b

2015-01-21

: Casio Casio-Casio-Watch-3061-Users-Manual-244108 casio-casio-watch-3061-users-manual-244108 casio pdf

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Page Count: 6

Getting Acquainted
General Guide
Radio-controlled Atomic Timekeeping
World Time
Stopwatch
Countdown Timer
Alarms
Illumination
Power Supply
Timekeeping
Reference
City Code Table

Operation Guide 3050 3061

MO0605-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.

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 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.)

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 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 50 minutes 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.

About This Manual

•The operational procedures for Modules 3050 (A),3050

(B) and 3061 are identical. All of the illustrations in this

manual show Module 3050 (A).

•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.

Module 3050 (A)

Module 3050 (B)

Module 3061

▲

Stopwatch Mode

Countdown Timer ModeAlarm 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.

▲

World Time Mode

▲

Radio-controlled Atomic Timekeeping

This watch receives a time calibration signal and updates

its time setting accordingly.

•Supported time calibration signals: Germany

(Mainflingen), England (Rugby), United States (Fort

Collins), Japan.

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 City (the city where you

normally will use the watch). For more information, see

“To specify your Home City”.

indicator

Home Time

(Hour : Minutes

Seconds)

Month – Day

Module 3050 (A)

Module 3061

Month – Day

•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 the city code

starts to flash. This is the setting screen.

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

want to use as your Home City.

•Time calibration signal reception is supported when

any one of the city codes shown in the table below is

selected as your Home City.

City code

German/U.K. Signal Japan Signal U.S. Signal

City

Code

LIS

LON

MAD

PAR

ROM

BER

STO

City

Name

Lisbon

London

Madrid

Paris

Rome

Berlin

Stockholm

City

Code

ATH

MOW

City

Name

Athens

Moscow

City

Code

HNL

ANC

YVR

LAX

YEA

DEN

MEX

City

Name

Honolulu

Anchorage

Vancouver

Los Angeles

Edmonton

Denver

Mexico City

City

Code

YWG

CHI

MIA

YTO

NYC

YHZ

YYT

City

Name

Winnipeg

Chicago

Miami

Toronto

New York

Halifax

St. Johns

City

Code

HKG

BJS

TPE

SEL

TYO

City

Name

Hong Kong

Beijing

Taipei

Seoul

Tokyo

3. Press A to exit the setting screen.

Important!

•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 can also 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 “Home

City Codes and Transmitters”.

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

codes: MOW (Moscow), HKG (Hong Kong), BJS (Beijing), HNL (Honolulu), and

ANC (Anchorage). For details about turning on auto receive for these city codes, see

“To turn auto receive on and off”.

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

off” for more information.

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

of the watch.

•If you are in an area that does not use Daylight Saving Time (summertime), turn off

the DST setting.

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”.

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.

12 o’clock

•Make sure the watch is facing the right way.

Operation Guide 3050 3061

•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 one to seven minutes, but in some

cases it can take as long as 13 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

household

appliances,

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

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

Home City code setting as shown below. If you use the watch in Japan or Europe

(each of which has two different transmitter locations), it will try to receive the time

calibration signal from one of the transmitters in your current location. If it cannot

receive the signal, it will then try to receive the time calibration signal from the other

transmitter.

Home City Code

LIS, LON,

MAD, PAR, ROM, BER,

STO, ATH, MOW*

HKG*, BJS*, TPE,

SEL, TYO

HNL*, ANC*, YVR,

LAX, YEA, DEN, MEX,

YWG, CHI, MIA, YTO,

NYC,YHZ, YYT

Frequency

60.0 kHz

77.5 kHz

40.0 kHz

60.0 kHz

Transmitter

Rugby (England)

Mainflingen (Germany)

Fukushima (Japan)

Fukuoka/Saga (Japan)

Fort Collins, Colorado

(the United States)

Home City Codes and Transmitters

* The areas covered by the MOW, HKG, BJS, HNL, and ANC city codes are quite

far from the time calibration signal transmitters, and so certain conditions may

cause problems with signal reception.

Reception Ranges

Rugby

Mainflingen

500 kilometers

Fort Collins

600 miles

(1,000 kilometers)

Fukuoka/Saga

500 kilometers Fukushima

500 kilometers

U.K. and German Signals

U.S. Signal

Japan Signal

1,500 kilometers 2,000 miles

(3,000 kilometers)

1,000 kilometers

•Signal reception may not be possible at the distances noted below during certain

times of the year or day. Radio interference may also cause problems with reception.

Mainflingen (Germany) or Rugby (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)

•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.

Your Home City Auto Receive Start Times

123456

LIS, LON

MAD, PAR, ROM,

BER, STO

Standard Time

Daylight

Saving Time

Standard Time

Daylight

Saving Time

1:00 am

2:00 am

3:00 am

2:00 am

3:00 am

4:00 am

3:00 am

4:00 am

5:00 am

4:00 am

5:00 am

Midnight

next day

5:00 am

Midnight

next day

Midnight

next day

1:00 am

next day

Midnight

next day

1:00 am

next day

1:00 am

next day

2:00 am

next day

About 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. 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.

ATH

MOW

HKG, BJS, TPE,

SEL, TYO

HNL, ANC, YVR,

LAX, YEA, DEN,

MEX, YWG, CHI,

MIA, YTO, NYC,

YHZ, YYT

Standard Time

Daylight

Saving Time

Standard Time

Daylight

Saving Time

Standard Time

Daylight

Saving Time

3:00 am

4:00 am

5:00 am

Midnight

4:00 am

5:00 am

Midnight

next day

1:00 am

5:00 am

Midnight

next day

Midnight

next day

1:00 am

next day

2:00 am

Midnight

next day

1:00 am

next day

1:00 am

next day

2:00 am

next day

3:00 am

1:00 am

next day

2:00 am

next day

2:00 am

next day

3:00 am

next day

4:00 am

2:00 am

next day

3:00 am

next day

3:00 am

next day

4:00 am

next day

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 one to five minutes everyday when the

time in the Timekeeping Mode reaches each of the calibration times. Avoid

performing any button operation within five minutes before or after any one of 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.

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

in progress.

About the Receiving Indicator

The receiving 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.

Weak

(Level 0)

Strong

(Level 3)

Receiving indicator

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

best location for the watch during signal receive operations.

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

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

Transmitter Indicator

During signal reception, a transmitter indicator will flash to

show you which signal is currently being received by the

watch. After signal reception is complete, the indicator of

the transmitter from which the signal was received will

remain on, without flashing.

•The following shows the meaning of each of the

transmitter indicator names.

JP40: Fukushima (Japan)

JP60: Fukuoka/Saga (Japan)

US60: Fort Collins, Colorado (the United States)

GE77.5: Mainflingen (Germany)

UK60: Rugby (England)

•The transmitter indicator turns off automatically at the

start of the first auto receive operation of a new day. The

time of the first auto receive operation of a new day

depends on your currently selected Home City.

Module 3050 (A)

Module 3050 (B)

Module 3061

To perform manual receive

1. Enter the Timekeeping Mode.

2. Place the watch on a stable surface so its 12 o'clock

side is facing towards a window.

3. Hold down D for about two seconds until RC! appears

on the display.

•The indicator of the transmitter whose signal the watch

is attempting to receive will flash.

•Time calibration signal reception takes from one to five

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.The indicator of the transmitter whose signal

the watch received will also be indicated.

The watch will enter the Timekeeping Mode if you press

C or if you do not perform any button operation for

about two or three minutes.

Transmitter indicator

Receiving

Receive successful

Receive date

Receive time

•If the current reception fails but a previous reception was

successful, the display shows the previous reception’s

date and time, and the ERR indicator.

- - : - - indicates that none of the reception operations

were successful.

The watch will enter the Timekeeping Mode without

changing the time setting if you press C or if you do not

perform any button operation for about two or three

minutes.

Receive failed

To turn auto receive on and off

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

Signal screen.

2. Press A so the current auto receive setting (on or

OFF) is flashing. 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

In the Timekeeping Mode, press D to display the Last

Signal screen.

•When receive is successful, the display shows the time

and date that receive was successful. - - : - - indicates

that none of the reception operations were successful.

•To return to the Timekeeping Mode, press C.

Receive date

Receive time

Operation Guide 3050 3061

Problem

Cannot perform

manual receive.

Time setting is

incorrect

following signal

reception.

Probable Cause

•

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,

YWG, CHI, MIA, YTO, NYC, YHZ, or

YYT

•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.

What you should do

•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,

DEN, MEX, YWG, CHI, MIA,

YTO, NYC, YHZ, or YYT as

your Home City.

•Change the DST setting to

Auto DST.

•Select the correct Home City

code.

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”.

World Time

The World Time Mode shows you the current time in 48

cities (29 time zones) around the world.

•If the current time shown for a city is wrong, check your

Home City time settings and make the necessary

changes.

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

World Time Mode, which you enter by pressing C.

City code Current time in

selected city To view the time in another city

While in the World Time Mode, press D to scroll

eastward through the city codes (time zones).

While in the World Time Mode, press B to scroll

westward through the city codes (time zones) .

•For full information on city codes, see the “City Code

Ta b l e ”.

Module 3050 (A)

Module 3061

To toggle a city code time between Standard Time and Daylight Saving Time

1. In the World Time Mode, use D or B to display the

city code (time zone) whose Standard Time/Daylight

Saving Time setting you want to change.

2. Hold down A to toggle Daylight Saving Time (DST

indicator displayed) and Standard Time (DST indicator

not displayed).

•The DST indicator will appear whenever you display a

city code for which Daylight Saving Time is turned on.

•Note that the DST/Standard Time setting affects only the

currently displayed city code. Other city codes are not

affected.

DST indicator

Minutes' Seconds''

1/100 second

Module 3050 (A)

Module 3061

Hours :

Stopwatch

The stopwatch lets you measure elapsed time, split times,

and two finishes. It also includes Auto-Start.

•The display range of the stopwatch is 999 hours,

59 minutes, 59.99 seconds.

•The stopwatch continues to run, restarting from zero

after it reaches its limit, until you stop it.

•The stopwatch measurement operation continues even

if you exit the Stopwatch Mode.

•Exiting the Stopwatch Mode while a split time is frozen

on the display clears the split time and returns to

elapsed time measurement.

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

Stopwatch Mode, which you enter by pressing C.

To measure times with the stopwatch

Start Stop

Elapsed Time

➤D

Re-start Clear

➤

Stop

D➤D➤B

Split Time

Start Split

➤

Split release Clear

B➤

Stop

B➤D➤B

Two Finishes

Start Split

➤

Stop Clear

B➤

Split release

D➤B➤B

First runner finishes.

Display time of first

runner.

Second runner

finishes.

Display time of

second runner.

(SPL displayed)

About Auto-Start

With Auto-Start, the watch performs a 5-second countdown, and stopwatch operation

starts automatically when the countdown reaches zero.

During the final three seconds of the countdown, a beeper sounds with each second.

To use Auto-Start

1. While the stopwatch screen is showing all zeros in the

Stopwatch Mode, press A.

•This displays a 5-second countdown screen.

•To return to the all zeros screen, press A again.

2. Press D to start the countdown.

•When the countdown reaches zero, a tone sounds and a

stopwatch timing operation starts automatically.

•Pressing D while the Auto-Start countdown is in

progress starts the stopwatch immediately.

Countdown Timer

You can set the countdown timer within a range of one to

60 minutes. An alarm sounds when the countdown

reaches zero.

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

Countdown Timer Mode, which you enter by pressing

Module 3050 (A)

Module 3061

Minutes' Seconds''

1/100 second

Timekeeping

Mode time

To set the countdown start time

1. While the countdown start time is on the display in the Countdown Timer Mode,

hold down A until the current countdown start time starts to flash, which indicates

the setting screen.

•If the countdown start time is not displayed, use the procedure under “To use the

countdown timer” to display it.

2. While a setting is flashing, use D (+) and B (–) to change it.

3. Press A to exit the setting screen.

To use the countdown timer

Press D while in the Countdown Timer Mode to start the countdown timer.

•When the end of the countdown is reached, the alarm sounds for 10 seconds or until

you stop it by pressing any button. The countdown time is reset automatically to its

starting value after the alarm stops.

•Press D while a countdown operation is in progress to pause it. Press D again to

resume the countdown.

•To stop a countdown operation completely, first pause it (by pressing D), and then

press B. This returns the countdown time to its starting value.

Alarms

You can set five independent Daily Alarms. When an

alarm is turned on, the alarm tone sounds when the alarm

time is reached. One of the alarms can be configured as a

snooze alarm or a one-time alarm, while the other four are

one-time alarms.

You can also turn on an Hourly Time Signal that causes

the watch to beep twice every hour on the hour.

•There are five alarm screens numbered 1 through 5.

The hourly time signal screen is indicated by :00

•When you enter the Alarm Mode, the screen you were

viewing when you last exited the mode appears first.

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

Alarm Mode, which you enter by pressing C.

Timekeeping Mode time

Module 3050 (A)

Module 3061

Alarm number

Alarm time (Hour : Minutes)

To set an alarm time

1. In the Alarm Mode, use D to scroll through the alarm

screens until the one whose time you want to set is

displayed.

x1 x2

:00 x5

•You can configure Alarm 1 as a snooze alarm or a one-time alarm. Alarms 2

through 5 can be used as one-time alarms only.

•The snooze alarm repeats every five minutes.

2. After you select an alarm, hold down A until the hour setting of the alarm time

starts to flash. This indicates the setting screen.

3. Press C to move the flashing between the hour and minute settings.

4. While a setting is flashing, use D (+) and B (–) to change it.

•When setting the alarm time using the 12-hour format, take care to set the time

correctly as a.m. (no indicator) or p.m. (P indicator).

5. Press A to exit the setting screen.

Alarm Operation

The alarm sounds at the preset time for about 10 seconds. In the case of the snooze

alarm, the alarm operation is performed a total of seven times, every five minutes, or

until you turn the alarm off or change it to a one-time alarm.

Note

•Pressing any button stops the alarm tone operation.

•Performing any one of the following operations during a 5-minute interval between

snooze alarms cancels the current snooze alarm operation.

Displaying the Timekeeping Mode setting screen

Displaying the Alarm

setting screen

To test the alarm

In the Alarm Mode, hold down D to sound the alarm.

To turn Alarms

through

on and off

1. In the Alarm Mode, use D to select a one-time alarm

(alarm number 2 through 5).

2. Press B to toggle the displayed alarm on and off.

•Turning on a one-time alarm (2 through 5) displays the

one-time alarm on indicator on its screen.

•The one-time alarm on indicator is displayed in all

modes.

•If any alarm is on, the one-time alarm on indicator is

shown on the display in all modes.

Module 3050 (A)

Module 3061

One-time alarm on

indicator

Operation Guide 3050 3061

To select the operation of Alarm

1. In the Alarm Mode, use D to select Alarm 1.

2. Press B to cycle through the available settings in the sequence shown below.

Snooze alarm on indicator and one-time alarm on indicator

One-time alarm on Snooze alarm on Alarm off

Module 3050 (A)

Module 3061

•The applicable alarm on indicator is displayed in all modes when an alarm is turned

on.

•The snooze alarm on indicator flashes during the 5-minute intervals between

alarms.

•Displaying the Alarm 1 setting screen while the snooze alarm is turned on

automatically turns off the snooze alarm (making Alarm 1 a one-time alarm).

To turn the hourly time signal on and off

1. In the Alarm Mode, use D to select the Hourly Time

Signal (:00).

2. Press B to toggle it on and off.

•Turning on the Hourly Time Signal displays the hourly

time signal on indicator on its screen.

•The hourly time signal on indicator is displayed in all

modes when the Hourly Time Signal is turned on.

Hourly time signal on

indicator

Module 3050 (A)

Module 3061

Module 3050 (A)

Module 3061

Illumination

The watch has an EL (electro-luminescent) panel that

causes the entire display to glow for easy reading in the

dark. The watch’s auto light switch illuminates the display

automatically when you angle the watch towards your

face.

•The auto light switch must be turned on (indicated by

the auto light switch indicator) for it to operate.

•See “Illumination Precautions” for other important

information.

To turn on illumination manually

In any mode press L to illuminate the display.

•The above operation turns on illumination regardless of

the current auto light switch setting.

Auto light switch indicator

Parallel to

ground

More than

40°

About the Auto Light Switch

Turning on the auto light switch causes illumination to turn on whenever you position

your wrist as described below in any mode. Note that this watch features a “Full Auto

EL Light,” so the auto light switch operates only when available light is below a certain

level. It does not illuminate the display under bright light.

Moving the watch to a position that is parallel to the ground and then tilting it

towards you at more than 40 degrees causes illumination to turn on.

• Wear the watch on the outside of your wrist.

Warning!

•Always make sure you are in a safe place whenever you are reading the watch

using the auto light switch. Be especially careful when running or engaged in

any other activity that can result in accident or injury. Also take care that

sudden illumination by the auto light switch does not startle or distract others

around you.

•When you are wearing the watch, make sure that its auto light switch is turned

off before riding on a bicycle, or operating a motorcycle or any other motor

vehicle. Sudden and unintended operation of the auto light switch can create a

distraction, which can result in a traffic accident and serious personal injury.

To turn the auto light switch on and off

In Timekeeping mode (except when a setting screen is on the display), hold down L

for about three seconds to toggle the auto light switch on (auto light switch indicator

displayed) and off (auto light switch indicator not displayed).

•The auto light switch indicator remains in all modes while the auto light switch is

turned on.

Solar cell

Power Supply

This watch is equipped with a solar cell and a special rechargeable battery (secondary

battery) that is charged by the electrical power produced by the solar cell. The

illustration shown below shows how you should position the watch for charging.

Example: Orient the watch so its face

is pointing at a light source.

• The illustration shows how to position

a watch with a resin band.

• Note that charging efficiency drops

when any part of the solar cell is

blocked by clothing, etc.

•You should try to keep the watch

outside of your sleeve as much as

possible. Charging is reduced

significantly if the face is only partially

covered.

Important!

•Storing the watch for long periods in an area where there is no light or wearing it in

such a way that it is blocked from exposure to light can cause rechargeable battery

power to run down. Make sure that the watch is exposed to bright light whenever

possible.

•This watch uses a special rechargeable battery to store power produced by the solar

cell, so regular battery replacement is not required. However, after very long use, the

rechargeable battery may lose its ability to achieve a full charge. If you experience

problems getting the special rechargeable battery to charge fully, contact your dealer

or CASIO distributor about having it replaced.

•Never try to remove or replace the watch’s special battery yourself. Use of the wrong

type of battery can damage the watch.

•The current time and all other settings return to their initial factory defaults whenever

battery power drops to Level 5 and when you have the battery replaced.

•Turn on the watch’s Power Saving function and keep it in an area normally exposed

to bright light when storing it for long periods. This helps to keep the rechargeable

battery from going dead.

Battery Power Indicator and Recover Indicator

The battery power indicator shows you the current power level of the rechargeable

battery. Function Status

All functions enabled.

Alarm, hourly time signal,

illumination and time calibration

signal reception disabled.

All functions, including auto

light swich, disabled.

All functions, including

timekeeping, disabled and

initialized.

Level

Battery Power Indicator

(Charge Soon Alert)

Module 3050 (A)

Battery power indicator

Module 3061 Function Status

All functions enabled.

Alarm, hourly time signal,

illumination and time calibration

signal reception disabled.

All functions, including auto

light swich, disabled.

All functions, including

timekeeping, disabled and

initialized.

Level

Battery Power Indicator

(Charge Soon Alert)

Battery power indicator

•The flashes on the display in the Timekeeping Mode when battery is at Level 3.

•The at Level 3 and the flashing charge indicator (CHG) at Level 4 tell you that

battery power is very low, and that exposure to bright light for charging is required as

soon as possible.

•At Level 5, all functions are disabled and settings return to their initial factory

defaults. Functions are enabled once again after the rechargeable battery is

charged, but you need to set the time and date, after the battery reaches Level 4

(indicated by the flashing charge indicator (CHG)) from Level 5. You will not be able

to configure any of the other settings until the battery reaches Level 3 (no charge

indicator) after dropping to Level 5.

•

Leaving the watch in direct sunlight or some other very strong light source can cause the

battery power indicator to show a reading that is momentarily higher than the actual

battery level. The correct battery power indicator should appear after a few minutes.

•If you use the illumination or alarms a number of times during a short period, the

charge indicator (CHG) flashes and the following operations become disabled until

battery power recovers.

Illumination

Beeper tone

Time calibration signal reception

After some time, battery power will recover and the charge indicator (CHG) will

disappear, indicating that the above functions are enabled again.

Charging Precautions

Certain charging conditions can cause the watch to become very hot. Avoid leaving

the watch in the areas described below whenever charging its rechargeable battery.

Also note that allowing the watch to become very hot can cause its liquid crystal

display to black out. The appearance of the LCD should become normal again when

the watch returns to a lower temperature.

Warning!

Leaving the watch in bright light to charge its rechargeable battery can cause it

to become quite hot. Take care when handling the watch to avoid burn injury.

The watch can become particularly hot when exposed to the following

conditions for long periods.

•On the dashboard of a car parked in direct sunlight

•Too close to an incandescent lamp

•Under direct sunlight

Operation Guide 3050 3061

Exposure Level (Brightness)

Outdoor Sunlight (50,000 lux)

Sunlight Through a Window (10,000 lux)

Daylight Through a Window on a Cloudy Day

(5,000 lux)

Indoor Fluorescent Lighting (500 lux)

Approximate Exposure Time

5 minutes

24 minutes

48 minutes

8 hours

•Since these are the specs, we can include all the technical details.

•Display on 18 hours per day, sleep state 6 hours per day

•1 illumination operation (1.5 seconds) per day

•10 seconds of alarm operation per day

•10 minutes of signal reception per day

•Stable operation is promoted by frequent exposure to light.

Charging Guide

After a full charge, timekeeping remains enabled for up to about 9 months.

•The following table shows the amount of time the watch needs to be exposed to light

each day in order to generate enough power for normal daily operations.

Recovery Times

The table below shows the amount exposure that is required to take the battery from

one level to the next.

•The above exposure time values are all for reference only. Actual required exposure

times depend on lighting conditions.

7 hours

35 hours

71 hours

Exposure Level

(Brightness)

Outdoor Sunlight

(50,000 lux)

Sunlight Through a Window

(10,000 lux)

Daylight Through a Window

on a Cloudy Day (5,000 lux)

Indoor Fluorescent Lighting

(500 lux)

Approximate Exposure Time

Level 5 Level 4 Level 3 Level 2 Level 1

2 hours

6 hours

11 hours

120 hours

25 hours

126 hours

256 hours

▲

– – –

Timekeeping

Use the Timekeeping Mode to set and view the current time and date.

•When setting the time, you can also configure settings for the 12/24-hour format,

and power saving on/off, and you can specify the screens that are displayed in the

Timekeeping Mode.

•In the Timekeeping Mode, you can press B to toggle the display contents as shown

below.

Date

Month – Day

Hour : Minutes

PM indicator

▲

Press B.

▲

Press B.

▲

Day of week

Day of weekHour : Minutes Seconds

Day of the Week

Module 3050 (A)

Module 3061

Month – Day

PM indicator

•Pressing D in the Timekeeping Mode will display the Last Signal screen.

▲

Press D.

▲

Module 3050 (A)

Module 3061

▲

Press D.

▲

Setting the Time and Date

Make sure you select your Home City code before you change the current time and

date settings. World Time Mode times are all displayed in accordance with the

Timekeeping Mode settings. Because of this, World Time Mode times will not be

correct if you do not select the proper Home City code before setting the time and

date in the Timekeeping Mode.

To set the time and date

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

code starts to flash, which indicates the setting screen.

2. Press C to change the flashing contents in the

sequence shown below to select other settings.

City code

Seconds Hour

Minutes

12/24-Hour

Format

Month Year

DST

Day

Power

Saving

City Code

3. When the setting you want to change is flashing, use B and/or D to change it as

described below.

Screen: To do this:

Change the city code

Cycle between auto DST ( ),

Standard Time ( ), and

Daylight Saving Time ( )

Toggle between 12-hour (12H) and

24-hour (24H) timekeeping

Do this:

Use D (east) and B (west).

Press D.

TYO

•See “City Code Table” for a complete list of available city codes.

Reset the seconds to

Change the hour or minutes

Change the year, month, or day

Toggle Power Saving on ( ) and

off ( )

Press D.

Use D (+) and B (–).

Press D.

•Auto DST ( ) can be selected only while LIS, LON, MAD, PAR, ROM, BER,

STO, ATH , MOW, HKG, BJS, TPE, SEL, TYO, HNL, ANC, YVR, LAX, YEA, DEN,

MEX, YWG, CHI, MIA, YTO, NYC, YHZ, or YYT is selected as the Home City

code. For more information, see “Daylight Saving Time (DST)” below.

•For information about settings other than the time and date, see the following.

Power Saving: Power Saving Function

4. Press A to exit the setting screen.

Daylight Saving Time (DST)

Daylight Saving Time (summer time) advances the time setting by one hour from

Standard Time. Remember that not all countries or even local areas use Daylight

Saving Time.

The time calibration signals transmitted from Mainflingen (Germany), Rugby

(England), or Fort Collins (the United States) include both Standard Time and DST

data. When the Auto DST setting is turned on, the watch switches between Standard

Time and DST (summer time) automatically in accordance with the signals.

•The time calibration signals transmitted from Fukushima and Fukuoka/Saga (Japan)

do not include summer time data.

•The default DST setting is Auto DST ( ) whenever you select LIS, LON, MAD,

PAR, ROM, BER, STO, ATH , MOW, HKG, BJS, TPE, SEL, TYO, HNL, ANC, YVR,

LAX, YEA, DEN, MEX, YWG, CHI, MIA, YTO, NYC, YHZ, or YYT as your Home City

code.

•If you experience problems receiving the time calibration signal in your area, it

probably is best to switch between Standard Time and Daylight Saving Time

(summer time) manually.

To change the Daylight Saving Time (summer time) setting

1. In the Timekeeping Mode, hold down A until the city code starts to flash, which

indicates the setting screen.

2. Press C and the DST setting screen appears.

3. Use D to cycle through the DST settings in the sequence shown below.

Auto DST ( ) DST off ( ) DST on ( )

4. When the setting you want is selected, press A to exit the setting screen.

•The DST indicator appears to indicate that Daylight Saving Time is turned on.

Reference

This section contains more detailed and technical information about watch operation.

It also contains important precautions and notes about the various features and

functions of this watch.

Button Operation Tone

The button operation tone sounds any time you press one

of the watch’s buttons. You can turn the button operation

tone on or off as desired.

•Even if you turn off the button operation tone, the alarm,

Hourly Time Signal, and Countdown Timer Mode alarm

all operate normally.

To turn the button operation tone on and off

In any mode (except when a setting screen is on the

display), hold down C to toggle the button operation tone

on (MUTE indicator not displayed) and off (MUTE

indicator displayed).

MUTE indicator

Module 3050 (A)

Module 3061

•Since the C button is also the mode change button, holding it down to turn the

button operation tone on or off also causes the watch’s current mode to change.

•The MUTE indicator is displayed in all modes when the button operation tone is

turned off.

Power Saving Function

When turned on, the Power Saving function enters a sleep

state automatically whenever the watch is left in an area

where it is dark for a certain period. The table below

shows how watch functions are affected by the Power

Saving function.

Power saving indicator

Module 3050 (A)

Module 3061

Operation Guide 3050 3061

•Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.

•The watch will not enter the sleep state between 6:00 AM and 9:59 PM. If the watch

is already in the sleep state when 6:00 AM arrives, however, it will remain in the

sleep state.

To recover from the sleep state

Perform any one of the following operations.

•Move the watch to a well-lit area.

•Press any button.

•Angle the watch towards your face for reading.

Elapsed Time

in Dark

60 to 70 minutes

6 or 7 days

Display

Blank, with Power Saving

indicator (PS) flashing

Blank, with Power Saving

indicator (PS) not flashing

Operation

All functions enabled, except

for the display

Beeper tone, illumination, and

display are disabled.

To turn Power Saving on and off

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

code starts to flash, which indicates the setting screen.

2. Press C nine times until the Power Saving on/off

screen appears.

3. Press D to toggle Power Saving on ( ) and off

().

4. Press A to exit the setting screen.

•The Power Saving indicator (PS) is on the display in all

modes while Power Saving is turned on.

Auto Return Features

•If you leave the watch in the Alarm Mode for two or three minutes without performing

any operation, it returns to the Timekeeping Mode automatically.

•If you leave the watch with a flashing setting on the display for two or three minutes

without performing any operation, the watch exits the setting screen automatically.

On/Off status

Scrolling

The B and D are used in various modes and setting screens to scroll through data.

In most cases, holding down these buttons during a scroll operation scrolls through

the data at high speed.

Initial Screens

When you enter the World Time or Alarm Mode, the data you were viewing when you

last exited the mode appears first.

Radio-controlled Atomic Timekeeping Precautions

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

•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.

•Even if the time calibration signal is received properly, certain conditions can cause

the time setting to be off by up to one second.

•The current time setting in accordance with the time calibration signal takes priority

over any time settings you make.

•The watch is designed to update the date and day of the week automatically for the

period January 1, 2000 to December 31, 2099. Setting of the date by a time

calibration signal cannot be performed starting from January 1, 2100.

•This watch can receive signals that differentiate between leap years and non-leap

years.

•Though this watch is designed to receive both time data (hour, minutes, seconds)

and date data (year, month, day), certain signal conditions can limit reception to time

data only.

•Normally, the signal reception date shown by the Last Signal screen is the date data

included in the received time calibration signal. When only time data is received,

however, the Last Signal screen shows the date as kept in the Timekeeping Mode at

the time of 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.

•If you have problems with proper time calibration signal reception or if the time

setting is wrong after signal reception, check your current city code, DST (summer

time), and auto receive settings.

Timekeeping

•Resetting the seconds to 00 while the current count is in the range of 30 to 59

causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are

reset to 00 without changing the minutes.

•The day of the week is displayed automatically in accordance with the date (year,

month, and day) settings.

•The year can be set in the range of 2000 to 2099.

•The watch’s built-in full automatic calendar makes allowances for different month

lengths and leap years. Once you set the date, there should be no reason to change

it except after you have the watch’s battery replaced or when battery power drops to

Level 5.

•The times for the Timekeeping Mode and all the city codes of the World Time Mode

are calculated in accordance with each city’s UTC differential.

•The UTC differential is a value that indicates the time difference between a

reference point in Greenwich, England and the time zone where a city is located.

•The letters “UTC” is the abbreviation for “Universal Time Coordinated”, which is the

world-wide scientific standard of timekeeping. It is based upon carefully maintained

atomic (cesium) clocks that keep time accurately to within microseconds. Leap

seconds are added or subtracted as necessary to keep UTC in sync with the

Earth’fs rotation.

12-hour/24-hour Timekeeping Formats

The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is also

applied in all other modes.

•With the 12-hour format, the PM indicator (P) appears on the display for times in the

range of noon to 11:59 p.m. and no indicator appears for times in the range of

midnight to 11:59 a.m.

•With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without

any indicator.

Illumination Precautions

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

use.

•Illumination 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.

•Illumination turns off automatically whenever an alarm sounds.

•Frequent use of illumination runs down the battery.

Auto light switch precautions

•The auto light switch is turned off automatically whenever battery power is at Level

•Wearing the watch on the inside of your wrist, movement of your arm, or vibration of

your arm can cause frequent activation of the auto light switch and illumination of the

display. To avoid running down the battery, turn off the auto light switch whenever

engaging in activities that might cause frequent illumination.

•Note that wearing the watch under your sleeve while the auto light switch is turned

on can cause frequent illumination of the display and can run down the battery.

•Illumination may not turn on if the face of the watch is

more than 15 degrees above or below parallel. Make

sure that the back of your hand is parallel to the ground.

•Illumination turns off after the preset illumination

duration (1.5 seconds), even if you keep the watch

pointed towards your face.

•Static electricity or magnetic force can interfere with

proper operation of the auto light switch. If illumination

does not turn on, try moving the watch back to the

starting position (parallel with the ground) and then tilt it

back towards you again. If this does not work, drop your

arm all the way down so it hangs at your side, and then

bring it back up again.

•Under certain conditions, illumination may not turn on until about one second after

you turn the face of the watch towards you. This does not necessarily indicate

malfunction of the auto light switch.

•You may notice a very faint clicking sound coming from the watch when it is shaken

back and forth. This sound is caused by mechanical operation of the auto light

switch, and does not indicate a problem with the watch.

Pago Pago

Honolulu

Anchorage

Vancouver

Los Angeles

Edmonton

Denver

Mexico City

Winnipeg

Chicago

Miami

Toronto

New York

Caracas

Halifax

St. Johns

Rio De Janeiro

Praia

City City GMT Other major cities in same time zone

Code

Differential

City Code Table

PPG

HNL

ANC

YVR

LAX

YEA

DEN

MEX

YWG

CHI

MIA

YTO

NYC

CCS

YHZ

YYT

RIO

RAI

–11.0

–10.0

–09.0

–08.0

–07.0

–06.0

–05.0

–04.0

–03.5

–03.0

–01.0

Papeete

Nome

San Francisco, Las Vegas,

Seattle/Tacoma, Dawson City, Tijuana

El Paso, Edmonton, Culiacan

Houston, Dallas/Fort Worth, New Orleans

Montreal, Detroit, Miami, Boston,

Panama City, Havana, Lima, Bogota

La Paz, Santiago, Port Of Spain

Sao Paulo, Buenos Aires, Brasilia, Montevideo

Lisbon

London

Madrid

Paris

Rome

Berlin

Stockholm

Athens

Cairo

Jerusalem

Moscow

Jeddah

Tehran

Dubai

Kabul

Karachi

Delhi

+00.0

+01.0

+02.0

+03.0

+03.5

+04.0

+04.5

+05.0

+05.5

Dublin, Casablanca, Dakar, Abidjan

Milan, Amsterdam, Algiers, Hamburg, Frankfurt, Vienna

Helsinki, Istanbul, Beirut, Damascus,

Cape Town

Kuwait, Riyadh, Aden, Addis Ababa, Nairobi

Shiraz

Abu Dhabi, Muscat

Male

Mumbai, Kolkata

LIS

LON

MAD

PAR

ROM

BER

STO

AT H

CAI

JRS

MOW

JED

THR

DXB

KBL

KHI

DEL

•Based on data as of December 2005.

Dhaka

Yangon

Bangkok

Hong Kong

Beijing

Taipei

Seoul

Tokyo

Adelaide

Guam

Sydney

Noumea

Wellington

+06.0

+06.5

+07.0

+08.0

+09.0

+09.5

+10.0

+11.0

+12.0

Colombo

Jakarta, Phnom Penh, Hanoi, Vientiane

Singapore, Kuala Lumpur, Manila, Perth, Ulaanbaatar

Pyongyang

Darwin

Melbourne, Rabaul

Port Vila

Christchurch, Nadi, Nauru Island

DAC

RGN

BKK

HKG

BJS

TPE

SEL

TYO

ADL

GUM

SYD

NOU

WLG

Casio Watch 3061 Users Manual QW 3050

MO0605-EA qw3050

3061 to the manual 28fb945e-e1f0-47d3-85d6-07cce955835b

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