Casio WVA470J-1A Manuel d'utilisation - Page 4

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Operation Guide 3311 5052

To check the current battery level

In the Timekeeping Mode, press C once to display the battery level indicator.

• The battery level indicator shows the battery level either as HI (Level 1) or MID

(Level 2).

• If the battery level drops below Level 2 (MID), a charge soon alert (Level 3) is

displayed in all modes.

Battery level indicator

Battery Level Indicator and Charge Indicator

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

battery.

Level

Battery Level

Indicator

(Charge Soon Alert)

• The flashing charge indicator (

) at Level 3 tells you that battery power is very low,

and that exposure to bright light for charging is required as soon as possible.

• At Level 4, 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 2

after dropping to Level 4.

• The Home City reverts to

TYO

(Tokyo), which means that the watch is configured

to receive the Japanese time calibration signal, whenever battery power drops to

Level 4. If you are using the watch in North America, you will need to configure your

Home City code setting whenever battery power recovers after dropping to Level 4.

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

the battery level indicator to temporarily show a reading that is higher than the actual

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

• If you use the light or alarms a number of times during a

short period, the recover indicator (

display and the following operations become disabled

until battery power recovers.

Illumination

Beeper tone

Coordination between digital and analog timekeeping

Recover indicator

Time calibration signal reception

After some time, battery power will recover and the recover indicator 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

Charging Guide

After a full charge, timekeeping remains enabled for up to about 5 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.

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)

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

5 months (from full charge to Level 3 when the watch is not exposed to light)

under the following conditions:

• 1 illumination operation (1.5 seconds) per day

• 10 seconds of alarm operation per day

• 5 times calibration reception per day

2 years under the following condition:

• Watch left in the sleep state

• Stable operation is promoted by frequent charging.

Function Status

All functions enabled.

Auto and manual receive,

alarm, hourly time signal,

illumination, and display are

disabled. Though the hands of

the watch do not move, time

continues to be kept internally.

All functions, including

timekeeping, disabled.

) appears on the

Approximate Exposure Time

5 minutes

24 minutes

48 minutes

8 hours

Recovery Times

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

one level to the next.

Exposure Level

Approximate Exposure Time

(Brightness)

Level 4

Outdoor Sunlight (50,000 lux)

Sunlight Through a Window

4 hours

(10,000 lux)

Daylight Through a Window

8 hours

on a Cloudy Day (5,000 lux)

Indoor Fluorescent Lighting

76 hours

(500 lux)

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

times depend on lighting conditions.

Timekeeping

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

also explains how to manually set the current date and time.

• When setting the time, you can also configure settings for the illumination duration,

the 12/24-hour format, and power saving on/off.

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

you can enter by pressing C.

You can select either Japanese (kanji) or English for the day of the week indicator.

• For more information, see "To set the current digital time and date manually".

Day of the Week Indicators

Sunday: SU/ Monday: MO/ Tuesday: TU/

Friday: FR/

Saturday: SA/

Date Screen

Receiving Indicator

and Seconds Count

Day of week

Day

Press A.

Day of week

Current Time Screen

Press D.

2 seconds

Reception date

Last Signal Screen

2 seconds

Setting the Digital Time and Date Manually

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 current digital time and date manually

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

transmitter indicator starts to flash, which indicates the

setting screen.

• The second hand will move at high speed to the 12

o'clock position, where it will stop.

2. Use A or C to move the flashing in the sequence

shown below to select other settings.

Transmitter indicator

Press C.

Transmitter/

City Settings

Transmitter

City Code

Time/Date

12/24-Hour

Settings

Seconds

Format

Power

Language

Saving

3. Use C to display the transmitter screen.

• The transmitter indicator that appears indicates whether the currently selected

Home City code is one that supports time calibration signal reception.

Means this:

This indicator:

The currently selected Home City code supports signal reception.

The currently selected Home City code does not support signal

reception.

•

appears for the trasmitter while

HNL

is selected as the Home City. In this case, there is not need to select a

transmitter.

• You can change the transmitter when

HKG

Home City. For details, see "To configure the transmitter selection mode setting".

4. Use C and A to select the other time and date settings, and change the settings

as described above.

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

described below.

Level 3

Level 2

Level 1

1 hour

10 hours

5 hours

48 hours

22 hours

99 hours

46 hours

– – –

Wednesday: WE/

Thursday: TH/

Receiving indicator

Seconds

Hour : Minutes

PM indicator

Reception Time

2 seconds

/ Press A.

Auto

DST

Receive

Hour

Minutes

Day

Month

Year

, or

NYC

CHI

DEN

LAX

ANC

TYO

, or

SEL

is selected as the