Casio WVQ-400E-1A Operation Manual - Page 2

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Operation Guide 4719

• 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

Inside a

Near

among

vehicle

household

buildings

appliances,

office

equipment,

or a mobile

phone

• 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.

• When within range of the applicable transmitter, this watch can receive either the

Germany (Mainflingen) or England (Anthorn) time calibration signals.

See "Transmitters" for more information.

Approximate Reception Ranges

1,500 kilometers

Anthorn

500 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 Anthorn (England) 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.

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 Time Zone, and whether standard time or Daylight Saving Time is

selected for your Time Zone.

Note

• Auto receive is turned on whenever +0.0, +1.0, or +2.0 (+1.0, +2.0, or +3.0 while

DST is turned on) is selected as the Home Time Zone.

Your Time Zone

+ 0.0

Standard Time

1:00 am

2:00 am

(DST +1.0)

Daylight Saving

2:00 am

3:00 am

Time

+ 1.0

Standard Time

2:00 am

3:00 am

(DST +2.0)

Daylight Saving

3:00 am

4:00 am

Time

+ 2.0

Standard Time

3:00 am

4:00 am

(DST +3.0)

Daylight Saving

4:00 am

5:00 am

Time

Note

• Calibration signal reception is performed automatically whenever a calibration time is

reached while the watch is in the Timekeeping Mode or Dual Time Mode. Note,

however, that auto receive is not performed if a calibration time is reached in the

following cases:

While an alarm is sounding

While a button is depressed

• 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 every day when the

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

performing any button operation within 14 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.

To perform manual receive

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

side is facing towards a window.

2. In the Timekeeping Mode, hold down A for about two

seconds until the watch beeps.

3. The stopwatch second hand will move to R (READY) to

indicate that the watch is setting up for time calibration

reception.

• The second hand will move to W (WORK) and stay there

while actual reception is in progress.

R (READY)

W (WORK)

• The hour and minute hands continue to keep time

Y (YES)

normally.

• Time calibration signal reception takes from two to

seven minutes, but in some cases it can take up to 14

minutes. Take care that you do not perform any button

operations or move the watch during this time.

• If reception is successful, the second hand will move to

Y (YES). One minute later, the hands will move to the

N (NO)

correct time.

Near a

Near high-

Among or

construction

tension

behind

site, airport, or

power lines

mountains

other sources

of electrical

noise

Mainflingen

Auto Receive Start Times

3:00 am

4:00 am

5:00 am

Midnight

4:00 am

5:00 am

Midnight

1:00 am*

4:00 am

5:00 am

Midnight

1:00 am*

5:00 am

Midnight

1:00 am*

2:00 am*

5:00 am

Midnight

1:00 am*

2:00 am*

Midnight

1:00 am*

2:00 am*

3:00 am*

* Next day

Note

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

button.

• If reception is not successful, the stopwatch second hand will move to N (NO).

One minute later, the stopwatch second hand will resume normal operation, without

any adjustment of the hand setting.

• If the stopwatch second hand is pointing to Y (YES) or N (NO), you can return to the

Timekeeping Mode by pressing any button.

Viewing the Latest Signal Reception Results

You can use the procedure below to check whether or not the last signal receive was

successful.

To check the latest signal reception results

In the Timekeeping Mode, press A.

• If the watch was able to perform a successful signal

receive operation since midnight, the stopwatch second

hand will move to Y (YES). If the watch has been unable

to receive any signal successfully, the second hand will

move to N (NO).

• The watch will return to the Timekeeping Mode after five

seconds.

• The current receive result is cleared when the first auto

receive operation is performed on the following day. This

means Y (YES) indicates successful signal reception

since the start of the current day.

• If you adjust the time or date setting manually, the

second hand will move to N (NO).

Signal Reception Troubleshooting

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

Problem

Probable Cause

• You changed the time setting

The

manually.

stopwatch

• You performed some button operation

second hand

is pointing at

during the auto receive operation.

• Signal reception results are reset

N (NO).

when the first auto receive

operation of the day is performed.

• The Home Time Zone setting is not

Time setting is

incorrect

correct for the area where you are

following signal

using the watch.

• The home position of the hands is

reception.

off.

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

and "Radio-controlled Atomic Timekeeping Precautions".

Stopwatch

Stopwatch 1/20 second hand

The stopwatch lets you measure elapsed time.

• The display range of the stopwatch is 59 minutes, 59.99

* This hand rotates and indicates

the second count during the first

seconds.

60 seconds.

• Entering the Stopwatch Mode causes the second hand,

Stopwatch

the stopwatch minute hand and stopwatch 1/20 second

Second hand

1/100 second

hand to move to their 12 o'clock positions.

• 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.

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

Stopwatch Mode, which you enter by pressing C.

Stopwatch minute

hand

To measure elapsed time

1. Press B to start the stopwatch.

2. Press B to stop the stopwatch.

• You can resume the measurement operation by pressing B again.

• The 1/20 second hand rotates during the first 60 seconds only, and then stops.

When elapsed timing is stopped (by pressing B), this hand jumps to the 1/20

second indication (which is kept internally).

3. Check the elapsed time.

• Press A to reset the stopwatch.

Dual Time

The Dual Time Mode lets you view the current time in 29

Minus sign

time zones around the world.

• Time zones are indicated on the digital display by their

GMT differential values.

• For full information on time zones, see the "Time Zone

Table".

• The watch will perform a signal receive operation even if

it is in the Dual Time Mode when a calibration time is

reached. If this happens, the Dual Time Mode time

settings will be adjusted in accordance with the current

time in the Timekeeping Mode's Home Time Zone.

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

Dual Time Mode, which you enter by pressing C.

GMT differential

value (–4.0)

To view the time in another time zone

While in the Dual Time Mode, press B to scroll eastward through time zones.

• The hands will move to the current time in that time zone after about one second

after you release B.

• If the current time shown for a time zone is wrong, check the Timekeeping Mode

time setting and your Home Time Zone setting, and make the necessary changes.

What you should do

• 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.

• Select the correct Home

Time Zone.

• Enter the Hand Setting Mode

and adjust the home position.