Manual Casio Radio Controlled WVA-M650D-2AER Watch

Manual

Operation Guide 5110

E-30

• Times in the World Time Mode are based on UTC offsets. See the “City Code

Table” at the back of this manual for information about the UTC offsets that are

supported.

• All of the operations in this section are performed in the World Time Mode, which

you enter by pressing

C

(page E-9).

E-31

To view the current time in another time zone

In the World Time Mode, use

D

to scroll through available city codes (time zones).

Holding down the button scrolls at high speed.

• When the city code (time zone) you want is selected, you can press

A

to display

the date. After about one second, the watch will resume regular timekeeping.

Hour : Minutes Seconds

Date

Press .

One second

E-32

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

1. In the World Time Mode, press

D

to display the city

code (time zone) whose Standard Time/Daylight

Saving Time setting you want to change.

2. Hold down

A

for about three seconds to toggle

between Daylight Saving Time (

DST

indicator

displayed) and Standard Time (

DST

indicator not

displayed).

• The

DST

indicator is shown in the bottom (World Time)

display while Daylight Saving Time is turned on.

• Note that the Standard Time/Daylight Saving Time

setting affects only the currently displayed city code.

Other city codes are not affected.

DST indicator

E-33

Swapping your Home City and World Time City

You can use the procedure below to swap your Home City and World Time City. This

changes your Home City to your World Time City, and your World Time City to your

Home City. This capability can come in handy when you frequently travel between two

cities in different time zones.

• If your current World Time City supports receipt of a time calibration signal, making

it your Home City enables calibration signal reception.

• For information about which cities support time calibration signal reception, see “To

specify your Home City” (page E-12).

To swap your Home City and World Time City

1. In the World Time Mode, use

D

to select the World Time City you want.

2. Hold down

A

and

B

until the watch beeps.

•

This will make the World Time City you selected in step 1 your Home City, and cause

the hour and minute hands to move to the current time in that city. At the same time,

it will change the Home City you had selected prior to step 2 your World Time City,

and cause the content of the upper and lower displays to change accordingly.

• After swapping the Home City and World Time City, the watch stays in the World

Time Mode with the city that was selected as the Home City prior to step 2 now

displayed as the World Time City.

E-34

Stopwatch

The stopwatch lets you measure elapsed time, split

times, and two fi nishes.

• The digital display range of the stopwatch is 23 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

(page E-9).

Minutes

Seconds

1/100

second

Hours

E-35

To measure times with the stopwatch

Elapsed Time

D

D D D A

Start Stop Resume Stop Clear

Split Time

D

A A D A

Start Split

( displayed)

Split release Stop Clear

Two Finishes

D A D A A

Start Split

First runner

fi nishes.

Display time of

fi rst runner.

Stop

Second runner

fi nishes.

Split release

Display time of

second runner.

Clear

E-36

Countdown Timer

You can set the countdown timer start time within a

range of one minute to 60 minutes. An alarm sounds

when the countdown reaches zero.

• You also can select auto-repeat, which automatically

restarts the countdown from the original value you set

whenever zero is reached.

• All of the operations in this section are performed in

the Countdown Timer Mode, which you enter by

pressing

C

(page E-9).

Start time (minutes)

Auto-repeat on indicator

Seconds

Minutes Number of

the current

repeat

E-37

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 and auto-repeat is turned off, the alarm

will sound for 10 seconds or until you stop it by pressing any button. The

countdown time is reset to its starting value automatically after the alarm stops.

• When auto-repeat is turned on, the countdown will restart automatically without

pausing when it reaches zero. The alarm sounds to signal when the countdown

reaches zero. The countdown is repeated up to eight times, and then stops.

• The number of the current repeat (1 to 8) is shown in the lower display.

• The countdown timer measurement operation continues even if you exit the

Countdown Timer Mode.

• To stop a countdown timer operation completely, fi rst pause it (by pressing

D

),

and then press

A

. This returns the countdown time to its starting value.

E-38

To confi gure countdown start time and auto-repeat settings

1. While the countdown start time is on the display in the

Countdown Timer Mode, hold down

A

for about three

seconds until the minute setting of the countdown start

time starts to fl ash. This is the setting mode.

• If the countdown start time is not displayed, use

the procedure under “To use the countdown timer”

(page E-37) to display it.

2. Press

C

to move the fl ashing in the sequence shown

below, and select the setting you want to change.

Start Time

(Minutes)

Auto-Repeat

On/Off

&

3. Perform the following operations, depending on which setting currently is selected

on the display.

• While the start time setting is fl ashing, use

D

(+) and

B

(–) to change it.

• While the auto-repeat on/off setting ( or ) is fl ashing on the display, press

D

to toggle auto-repeat on ( ) and off ( ).

Start time (minutes)

E-39

4. Press

A

to exit the setting mode.

• The auto-repeat on indicator ( ) will appear in the upper display while this function

is turned on.

• Frequent use of auto-repeat and the alarm can run down battery power.

Rating

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