Manual Casio Radio Controlled WVA-M650D-2AER Watch

Manual

Operation Guide 5110

E-60

Screen: To do this: Do this:

Reset the seconds to Press

D

.

Change the hour and minutes Use

D

(+) and

B

(–).

Change the year, month, or day

Toggle between Power Saving on ( ) and

off ( )

Press

D

.

5. Press

A

to exit the setting mode.

• For details about the Daylight Saving Time setting, see “To change the Daylight

Saving Time (summer time) setting” (page E-63). For information about Power

Saving, see “To turn Power Saving on and off” (page E-68).

• Auto DST (

AUTO

) can be selected only while

LIS

,

LON

,

MAD

,

PAR

,

ROM

,

BER

,

STO

,

ATH

,

MOW

,

TPE

,

SEL

,

TYO

,

HNL

,

ANC

,

YVR

,

LAX

,

YEA

,

DEN

,

MEX

,

CHI

,

MIA

,

YTO

,

NYC

,

YHZ

, or

YYT

is selected as the Home City code. For more

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

E-61

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

month, and day) settings.

12-hour and 24-hour timekeeping

• With the 12-hour format, the PM indicator appears to the left of the hour digits 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.

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

applied in all other modes.

E-62

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 Mainfl ingen (Germany), Anthorn

(England), and 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 (Daylight Saving Time) automatically in accordance with the signals.

• Though the time calibration signals transmitted by the Fukushima and Fukuoka/

Saga, Japan transmitters include summer time data, summer time currently is not

implemented in Japan (as of 2013).

• The default DST setting is Auto DST (

AUTO

) whenever you select

LIS

,

LON

,

MAD

,

PAR

,

ROM

,

BER

,

STO

,

ATH

,

MOW

,

TYO

,

ANC

,

YVR

,

LAX

,

YEA

,

DEN

,

MEX

,

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.

E-63

To change the Daylight Saving Time (summer time) setting

1. In the Timekeeping Mode, hold down

A

for about fi ve

seconds, until the watch beeps twice and the city code

fl ashes on the upper display. This is the setting mode.

2. Press

C

. This will display the DST setting screen.

3. Use

D

to cycle through the DST settings in the

sequence shown below.

Auto DST (

AUTO

)

DST off (

OFF

) DST on (

ON

)

4. When the setting you want is selected, press

A

to exit the setting mode.

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

DST indicator

E-64

Hand Home Position Correction

The hands of the watch can be thrown off by exposure to strong magnetism or impact.

If that happens, check if the home positions of the hands are correct and adjust the

home positions as required.

To adjust the home positions

1. In the Timekeeping Mode, hold down

D

for about

three seconds, until

H-SET

appears on the upper

display and “Sub” fl ashes in the lower display.

• The left dial hand is in its correct home position

when it moves to C (CHG). If it doesn’t, use

B

to

adjust its position.

2. After confi rming that the left dial hand is in its correct

home positions, press

C

.

• This will change to hour hand and minute hand

home position manual correction.

Correct dial hand

positions

E-65

• The hour and minute hands are in their correct

home positions if they are at 12 o’clock. If they are

not, use

D

(+) and

B

(–) to adjust their positions

as required.

• Pressing

C

here will return to the setting at the

beginning of step 2.

3. After everything is the way you want, press

A

to

return to the Timekeeping Mode.

• After you complete the home position adjustment

procedure, place the watch in a location that

allows for good time calibration signal reception,

and then perform a manual receive operation. See

“To perform manual receive” (page E-24) for more

information.

Correct hour and

minute hand

positions

E-66

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.

Power Saving Function

When turned on, the Power Saving function enters a

sleep state automatically whenever the watch is left in an

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

shows how watch functions are affected by the Power

Saving function.

E-67

Elapsed Time

in Dark

Hands and Display Operation

60 to 70 minutes Left dial hand: PS; Other hands:

Normal; Display: Blank

All functions enabled, except

for displays

6 or 7 days Left dial hand: PS; Other hands:

Stopped at 12 o’clock; Display: Blank

Auto receive, beeper tone,

illumination, and display

disabled.

• 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 (page E-47).

E-68

To turn Power Saving on and off

1. In the Timekeeping Mode, hold down

A

for about fi ve

seconds, until the watch beeps twice and the city code

fl ashes on the upper display. This is the setting mode.

2. Press

C

nine times until

PS

appears in the upper

display and a fl ashing

or appears in the lower

display. This is the Power Saving on/off screen.

3.

Press

D

to toggle Power Saving on ( ) and off ( ).

4. Press

A

to exit the setting mode.

On/Off status

E-69

Radio-controlled Atomic Timekeeping Precautions

• Strong electrostatic charge can cause the time setting to be thrown off.

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

factors as changes in the refl ectivity 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 manually.

• 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 the 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.

Rating

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