Bedienungsanleitung Casio 3425 (Seite 5 von 7) (Englisch)

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Operation Guide 3425

E-40

Power Supply

This watch is equipped with a solar panel and a rechargeable battery that is charged

by the electrical power produced by the solar panel. The illustration shown below

shows how you should position the watch for charging.

Example: Orient the watch so its face is

pointing at a light source.

• The illustration shows how to position a

watch with a resin band.

• Note that charging efficiency drops when

any part of the solar panel is blocked by

clothing, etc.

• You should try to keep the watch outside of

your sleeve as much as possible. Charging

is reduced significantly if the face is

covered only partially.

Solar panel

E-41

Important!

• Storing the watch for long periods in an area where there is no light or wearing it in

such a way that it is blocked from exposure to light can cause rechargeable battery

power to run down. Be sure that the watch is exposed to bright light whenever

possible.

• This watch uses a rechargeable battery to store power produced by the solar panel,

so regular battery replacement is not required. However, after very long use, the

rechargeable battery may lose its ability to achieve a full charge. If you experience

problems getting the rechargeable battery to charge fully, contact your dealer or

CASIO distributor about having it replaced.

• Never try to remove or replace the watch’s rechargeable battery yourself. Use of the

wrong type of battery can damage the watch.

• All data stored in memory is deleted, and the current time and all other settings

return to their initial factory defaults whenever battery power drops to Level 5 (pages

E-42 and E-43) and when you have the battery replaced.

• Turn on the watch’s Power Saving function (page E-53) and keep it in an area

normally exposed to bright light when storing it for long periods. This helps to keep

the rechargeable battery from going dead.

E-42

Level

Battery Power Indicator Function Status

All functions enabled.

Illumination, and beeper

disabled.

Except for timekeeping and

the CHG (charge) indicator,

all functions and display

indicators disabled.

All functions disabled.

Battery Power Indicator and Recover Indicator

The battery power indicator on the display shows you the current status of the

rechargeable battery’s power.

Battery power

indicator

E-43

• The flashing L and LOW indicators at level 3 tell you that battery power is very low,

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

• At Level 5, all functions are disabled and settings return to their initial factory

defaults. Once the battery reaches Level 2 after falling to Level 5, reconfigure the

current time, date, and other settings.

• The watch’s Home City code setting will change automatically to TYO (Tokyo)

whenever the battery drops to Level 5.

•

Display indicators reappear as soon as the battery is charged from Level 5 to Level 2.

• Leaving the watch exposed to direct sunlight or some other very strong light source

can cause the battery power indicator to show a reading temporarily that is higher

than the actual battery level. The correct battery level should be indicated after a few

minutes.

E-44

• Performing illumination, or beeper operations during a

short period may cause

(recover) to appear on the

display.

After some time, battery power will recover and

(recover) will disappear, indicating that the above

functions are enabled again.

• If

(recover) appears frequently, it probably means

that remaining battery power is low. Leave the watch in

bright light to allow it to charge.

Recover indicator

E-45

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

E-46

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)

Approximate

Exposure Time

5 minutes

24 minutes

48 minutes

8 hours

Charging Guide

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.

• For details about the battery operating time and daily operating conditions, see the

“Power Supply” section of the Specifications (page E-58).

• Stable operation is promoted by frequent exposure to light.

E-47

Recovery Times

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

one level to the next.

Approximate Exposure Time

Level 5 Level 4 Level 3 Level 2 Level 1

3 hours 23 hours 7 hours

9 hours 115 hours 31 hours

17 hours 234 hours 63 hours

202 hours - - - - - - - - - - - - - - - -

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)

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

times depend on lighting conditions.

▲

E-48

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.

Stopwatch

• You can use lap time measurement to time how long it takes to complete a specific

portion (such as a single lap) of a race.

• You can use split time measurement to time how long it takes to get from the start to

a specific point in a race.

Memory Management

Each time you press D to start a new elapsed time or lap/split operation in the

Stopwatch Mode (page E-17), the watch automatically creates a new “log” in its

memory. The log remains open for data storage until you permanently close it by

pressing B to reset the stopwatch to all zeros.

The watch has enough memory to hold up to 121 records. Each log title screen (start

date and time) and lap/split time uses up one record.

E-49

• A log title screen identifies a single elapsed time operation, from the start up to the

point the stopwatch is reset to all zeros.

• A lap/split time record is stored under a log title screen each time you perform a lap/

split operation.

Example 1

Single elapsed time measurement

Log title screen + 120 lap records = 121 records

Example 2

Multiple elapsed time measurements

Measurement 1 log title screen + 60 lap records = 61 records

Measurement 2 log title screen + 59 lap records = 60 records

• Use the Recall Mode to view stopwatch records (page E-22).

• If watch memory is already full when you perform a stopwatch button operation that

creates a new log, the oldest log in memory and all of its records are deleted

automatically to make room for the new log.

• If you are adding records to the only log in memory and watch memory becomes

full, adding another record causes the oldest record in the log to be deleted

automatically to make room for the new record.

Casio 3425 Seite 5

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