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Manual Casio Radio Controlled WVA-M650D-2AER Watch

Name: Casio Radio Controlled WVA-M650D-2AER Watch
Brand: Casio
SKU: Radio Controlled WVA-M650D-2AER
Rating: 60 (5 reviews)

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Manual

Operation Guide 5110

E-20

• Signal reception may not be possible at the distances that are further than those

noted below during certain times of the year or day. Radio interference also may

cause problems with reception.

Mainﬂ ingen (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: 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.

• As of December 2013, China does not use Daylight Saving Time (DST). If China

does go to the Daylight Saving Time system in the future, some functions of this

watch may no longer operate correctly.

E-21

About Auto Receive

The watch receives the time calibration signal automatically up to six times a day (ﬁ ve

times for the Chinese calibration signal). When any auto receive is successful,

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.

Your Home City

Auto Receive Start Times

123456

LON

LIS

Standard Time

Daylight Saving Time

1:00 am

2:00 am

3:00 am

4:00 am

5:00 am

Midnight

1:00 am*

PAR

BER

MAD

ROM

STO

Standard Time

Daylight Saving Time

2:00 am

3:00 am

4:00 am

5:00 am

Midnight

1:00 am*

2:00 am*

ATH Standard Time

Daylight Saving Time

3:00 am

4:00 am

5:00 am

Midnight

1:00 am*

2:00 am*

3:00 am*

MOW Standard Time

Daylight Saving Time

4:00 am

5:00 am

Midnight

1:00 am*

2:00 am*

3:00 am*

4:00 am*

E-22

Your Home City

Auto Receive Start Times

123456

HKG

BJS

Standard Time

1:00 am 2:00 am 3:00 am 4:00 am 5:00 am

TYO

TPE

SEL

Standard Time

Midnight 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am

HNL

ANC

LAX

DEN

CHI

NYC

YVR

YEA

MEX

MIA

YTO

YHZ

YYT

Standard Time and

Daylight Saving Time

Midnight 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am

*Next day

E-23

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 conﬁ guring 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 14 minutes everyday when the

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

button operation within 14 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

your Home City, as kept in the Timekeeping Mode.

E-24

To perform manual receive

Place the watch on a stable surface so its 12 o’clock

side is facing towards a window (page E-15).

2. In the Timekeeping Mode, hold down

for about two

seconds until the watch beeps.

3. The digital display will go blank, and the left dial hand

will move to

(

READY

). This indicates that the watch

is getting ready for time calibration signal reception.

• See the information under “Signal Reception

Troubleshooting” (page E-27) if you experience

problems.

• The left dial hand will move to

(

WORK

) and stay

there while actual reception is in progress.

• If signal reception is unstable during reception, the left

dial hand may move between

(

WORK

) and

(

READY

• The hour and minute hands continue to keep time

normally.

W (WORK)

R (READY)

Receiving

E-25

• 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 a signal receive operation is successful,

GET

appears on the upper display and the lower display

shows the time and date of the successful operation.

The watch will adjust its time setting in accordance

with the information provided by the signal.

• The watch will return to the Timekeeping Mode if you

press

or if you do not perform any operation for

about one or two minutes.

•

ERR

will appear on the upper display if the receive

operation is not successful. The watch will not adjust

its time setting in this case. Press

to return to the

Timekeeping Mode.

Receive successful

Receive failed

E-26

Note

• To interrupt a receive operation and return to the Timekeeping Mode, press any

button.

To check the latest signal reception results

In the Timekeeping Mode, press

to view the last successful receive time and date.

Press

again to return to the previous screen.

Date Hour : Minutes

E-27

Signal Reception Troubleshooting

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

Problem Probable Cause What you should do

I can’t receive

a time

calibration

signal.

• You performed some button

operation during auto receive.

• The watch is not in the Timekeeping

Mode or World Time Mode.

• The watch is in a location where the

signal cannot be received for some

reason.

• A countdown timer operation is in

progress.

• Radio interference is often present

during the day time, which can

interfere with signal reception.

• Perform manual receive at night or

wait until the next auto receive

operation is performed.

• Enter the Timekeeping Mode or

World Time Mode and try again.

• Enter the Countdown Timer Mode

and stop the countdown. (page

E-36)

• Check to make sure the watch is in

a location where it can receive the

signal (page E-15).

E-28

Problem Probable Cause What you should do

The time

setting is

incorrect

following

signal

reception.

• 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.

• The home positions of the hands are

off.

• Change the DST setting to Auto DST

(page E-63).

• Select the correct Home City code

(page E-12).

• Enter the home position adjustment

mode and adjust the home

positions (page E-64).

• For further information, see “Important!” (page E-15) and “Radio-controlled Atomic

Timekeeping Precautions” (page E-69).

E-29

World Time

World Time digitally displays the current time in one of

48 cities (29 time zones) around the world. A simple

operation swaps your Home City with the currently

selected World Time City.

• When you enter the World Time Mode, the current

month and day of the World Time City appear ﬁ rst.

After about one second, the current time appears.

• 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.

Current time in

World Time City

Currently selected

World Time City

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Here you can share what you think about the Casio Radio Controlled WVA-M650D-2AER Watch. If you have a question, first carefully read the manual. Requesting a manual can be done by using our contact form.

Ángel Asensio 14-10-2021
Desearía recibir el manual de instrucciones del reloj wva-m650d-2aer en idioma Español. Muchas gracias.

reply | This was helpful (0)

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Specifications

Brand	Casio
Model	Radio Controlled WVA-M650D-2AER
Category	Watches
File type	PDF
File size	0.87 MB

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Frequently Asked Questions about Casio Radio Controlled WVA-M650D-2AER Watch

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A battery in my device is oxidized, can I still safely use it? Verified

Ja, the device can still be safely used. Firstly, remove the oxidizd battery. Never use bare hands to do this. Then clean the battery compartment with a cotton swab dipped in vinegar or lemon juice. Let it dry and insert new batteries.

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My mechanical watch runs fast, what can I do? Verified

This might be caused by exposure to a magnetic field. It can be solved by a demagnetisation process performed by a professional watchmaker.

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What do AM and PM stand for? Verified

AM stands for Ante Meridiem and indicates that the time is before midday. PM stands for Post Meridiem and indicates that the time is past midday.

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What is a 'Chronograph'? Verified

A 'Chronograph' is literally a 'writer of time'. The term is used to describe clocks and watches that tell the time of day as well as measure a certain period of time, like a stopwatch.

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What is GMT? Verified

GMT stands for Greenwich Mean Time (sometimes called UTC, standing for Coordinated Universal Time). It is the time for the longitude 0, that passes through Greenwich near London.

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What is a quartz movement? Verified

Watches and clocks with a quartz movement are driven by a battery. This sends an electric current through quartz crystals that will vibrate. These vibrations are passed on to the movement. Because the vibrations have a fixed frequency, watches and clocks with a quartz movement are extremely precise.

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There is moisture on the inside of the glass of my Casio watch, what should I do? Verified

Casio states that if the moisture appeared after an extreme change in temperature and disappears relatively quickly afterwards, there is probably nothing wrong. If the moisture does not disappear, you should have your watch repaired as soon as possible.

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