Casio 5412 Operation Guide

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MA1409-EA

Mode hand

Stopwatch ModeTimekeeping Mode

Normal position

Second click

First click

Crown

Basic Operations

This section provides an overview of the

watch and its operations.

Note

●

The illustrations included in this

manual have been created to

facilitate explanation. An

illustration may differ somewhat

from the item it represents.

General Guide

Hour hand

Second hand

Minute hand

24-hour hand

Small minute hand

Small hour hand

Mode hand

Day indicator

Crown

Watch Face Items

Time calibration reception in

progress

GPS signal time information and

position information acquisition in

progress

GPS signal time information

reception in progress

Signal receive result

Summer time setting

Stopwatch Mode

Airplane Mode

Day of the week

Operation Guide 5412

Navigating Between Modes

This watch has a Timekeeping Mode and

a Stopwatch Mode.

Timekeeping Mode:

Normally the mode hand points to the

current day of the week.

In the Airplane Mode, the mode hands points to h.

Stopwatch Mode:

The mode hand always points to “STW”,

even in the Airplane Mode.

Use the (C) button to navigate between

modes.

●

Hold down (C) for at least two seconds

to return to the Timekeeping Mode.

●

Holding down (C) for four seconds or

longer will enter or exit the Airplane

Mode.

l Using the Watch on an Aircraft

Using the Crown

Depending on the operation you want to

perform, pull out the crown to the first or

second click and then rotate it.

Important!

●

To prevent loss of water

resistance and/or damage due

to impact, be sure to push the

crown in to its normal position

after you are finished using it.

●

When pushing the crown back

in, take care not to apply too

much force.

●

After pulling out the crown, rotating it

quickly in succession in either direction

will start a fast forward or fast reverse

operation. While a fast forward operation

is in progress, quickly rotating the crown

in succession again will increase the

speed even further.

●

Rotate the crown in the direction

opposite that of the ongoing operation or

press any button.

What is solar charging?

This watch runs on power supplied from

a rechargeable (secondary) battery that

is charged by a solar panel. The solar

panel is integrated into the face of the

watch, and power is generated

whenever the face is exposed to light.

●

Fast Forward/Fast Reverse

The fast reverse operation speed is

fixed and cannot be changed.

Stopping Fast Forward/Fast

Reverse

Note

●

If you do not perform any

operation for about two minutes

after pulling out the crown,

crown operations will

automatically become disabled.

If that happens, push the crown

back in and then pull it out again.

Solar Charging

This watch uses a special

rechargeable (secondary) battery.

ー

The watch’s battery will not charge if

the watch’s temperature is less than

approximately -10°C (14°F) or

greater than approximately 60°C

(140°F).

ー

Over-discharge will occur if the

watch is not charged within

approximately three months after it

stops operation due to low battery

power. Charging may not be

possible after over-discharge

occurs.

NOYES

2 o'clock12 o'clock

6 o'clock4 o'clock

Five-second intervalsTwo-second intervals

Second hand

Operation Guide 5412

Charging the Watch

When you are not wearing the watch, put

it in a location where it is exposed to

bright light.

While you are wearing the watch, make

sure that its face (solar panel) is not

blocked from the light by the sleeve of

your clothing. Power generation

efficiency is reduced even when the face

of the watch is blocked only partially.

Note

●

Exposing the watch face to light

after the battery goes dead will

cause the second hand to

revolve counterclockwise until it

stops at second 57. This

indicates charging has started.

●

A fully charged watch can

operate for approximately

seven months without further

charging. Watch operation will

stop approximately 20 days

after the battery goes low.

Charging Times

Light Intensity

High

Low

Charge

Level 1

8 hours 27 hours

26 hours 102 hours

41 hours 165 hours

450 hours -

Charge

Level 2

Checking the Charge Level

The charge level is indicated by watch

hand movement. Functions become

disabled as battery power goes low.

Important!

●

Should battery go low or go

dead, expose the face (solar

panel) to light as soon as

possible.

Immediately after pressing (C) to enter to

the Timekeeping Mode, the second hand

will move to one of the positions below to

indicate the battery charge level.

●

Battery Charged

Important!

●

If the second hand stops for

some time after the watch is

continuously exposed to light, it

could mean that charging is not

possible due to over-discharge.

Request chargeable

(secondary) battery

replacement by your original

retailer or authorized CASIO

service center.

●

Depending on light intensity and

local conditions, the watch may

become hot to the touch when

exposed to light for charging.

Take care to avoid burn injury

after charging. Also, avoid

charging the watch under high-

temperature conditions like the

ones described below.

ー

On the dashboard of a vehicle

parked in the sun

ー

Near an incandescent light

bulb or other source of heat

ー

Under direct sunlight or in

other hot areas for long

periods

Charge Level 1:

Time from dead battery until hand

movement starts

Charge Level 2:

Time from hand movement starts until a

full charge

Light Intensity

Sunny day, outdoors (50,000 lux)

Sunny day, near a window (10,000

lux)

Overcast day, near a window (5,000

lux)

Indoor fluorescent lighting (500 lux)

Note

●

Actual charging time depends

on the local charging

environment.

●

Low Battery Power

Also, the second hand jumps at two-

second or five-second intervals.

●

Above right figures indicate a lower

battery charge.

●

Dead Battery

All hands are stopped.

Operation Guide 5412

Power Saving Function

Leaving the watch in a dark location for

about one hour between the hours of 10

p.m. and 6 a.m. will cause the second

hand to stop, and the watch will enter

Level 1 power saving. If the watch is left

in this condition for six or seven days, all

hands will stop and the watch will enter

Level 2 power saving.

Level 1:

Basic timekeeping functions are

operational.

Level 2:

Only the day indicator is operational.

Note

●

Note that the watch also may

enter the power saving state if its

face is blocked from light by your

sleeve while you are wearing it.

●

The watch will enter power

saving from the Timekeeping

Mode only.

●

Recovering from Power Saving

Operation

Press any button or place the watch in a

well-lit area to recover from power

saving.

Time Adjustment (GPS,

Time Calibration Signal)

The watch’s time, day, and Home City

(time zone) settings can be configured in

accordance with a received GPS signal

or time calibration signal.

●

GPS signal position information: Used

to update Home City (time zone), time,

and day settings.

●

GPS signal time information: Used to

update time and day settings.

●

Time calibration signal: Used to update

time and day settings.

Important!

●

Before trying to receive GPS

signal time information and/or a

time calibration signal, first use

GPS to acquire position

information and configure

Home Time (time zone)

settings.

●

Put the watch into the Airplane

Mode whenever you are inside

an aircraft or in any other area

where radio wave reception is

prohibited or restricted.

l Using the Watch on an

Aircraft

Note

●

Areas where time calibration

signal reception is supported

are limited. When the watch in

an area where time calibration

signal reception is not

supported, adjust time and day

settings based on GPS signals.

l Time Calibration Signal

Reception Ranges

Time Adjustment Using GPS

Appropriate Signal Reception

Location

GPS signal reception is possible

outdoors where the sky is visible and not

blocked by buildings, trees, or other

objects.

Note

●

In areas where reception is

poor, keep the watch face

oriented upwards and do not

move the watch.

●

When the watch is set up for

auto receive, take care to avoid

covering the watch face with the

sleeve of your clothing.

●

GPS signal reception is not

possible in the areas described

below.

ー

Where the sky is not visible

ー

Indoors (Reception may be

possible near a window.)

ー

Near wireless communication

equipment or other devices

that generate magnetism.

●

You may experience GPS signal

reception problems in the areas

described below.

ー

Where the view of the sky

above is narrow

ー

Near trees or buildings

ー

Near a train station, airport, or

other congested areas

Mode hand

Second hand

Mode hand

Second hand

Operation Guide 5412

Acquiring GPS Position Information Manually

You can use a button operation to

acquire GPS position information and

adjust your Home City (time zone), time,

and day settings in accordance with your

current location.

Note

●

GPS signal reception requires

large amounts of power.

Perform it only when necessary.

Getting ready

The receive operation is performed only

while the watch is in the Timekeeping

Mode (normal timekeeping).

●

Normally the mode hand points to the

current day of the week.

l Navigating Between Modes

1. Move to a location appropriate for

signal reception and orient the watch

so its display is pointed straight up at

the sky.

2. Hold down (B) for at least three

seconds. Release the button as soon

as the second hand points to “T+P”.

●

The second hand will move in the

following sequence: “YES” or “NO” n “T (TIME)” n “T+P”.

●

This indicates that position

information acquisition has

started.

●

If position information acquisition

is successful, the second hand will

move to “YES” and then the watch

will automatically adjust its time

and day settings.

●

If position information acquisition

fails for some reason, the second

hand will move to “NO” and then

the watch will indicate the current

time and day without adjusting

them.

Note

●

Reception takes anywhere from

about 30 seconds to about two

minutes.

●

It can take as long as 13 minutes

when leap second information is

included.

●

You may experience location

information acquisition

problems when you are in the

vicinity of a time zone

borderline.

The watch’s time and day will

not be indicated correctly if the

Home City (Time Zone) setting

is not right for your location.

Perform position information

acquisition in a representative

city in your time zone or in a

location that is well within the

time zone. Or you can perform a

time information receive

operation to adjust time and day

settings after configuring Home

City (Time Zone) and summer

time settings manually.

l Selecting a Time Zone l Acquiring GPS Time

Information Manually

Acquiring GPS Time Information Manually

You can use a button operation on the

watch to receive GPS signal time

information. When the receive operation

is successful, the watch’s Home City

(time zone), day, and time settings will be

adjusted accordingly.

Note

●

GPS signal reception requires

large amounts of power.

Perform it only when necessary.

Getting ready

The receive operation is performed only

while the watch is in the Timekeeping

Mode (normal timekeeping).

●

Normally the mode hand points to the

current day of the week.

l Navigating Between Modes

1. Move to a location appropriate for

signal reception and orient the watch

so its display is pointed straight up at

the sky.

2. Hold down (B) for at least one

second. Release the button as soon

as the second hand points to “T

(TIME)”.

●

The second hand will move in the

following sequence: “YES” or “NO” n “T (TIME)”.

●

This indicates that time

information receipt has started.

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