Casio 4390 Manuale utente

Module No. 4390

MO0901-EA

Getting Acquainted

Congratulations upon your selection of this CASIO watch. To get the most out of your

purchase, be sure to read this manual carefully.

•Be sure to keep all user documentation handy for future reference.

••

•This watch does not have a city code that corresponds to the UTC offset of

–3.5 hours. Because of this, the radio-controlled atomic timekeeping function

will not display the correct time for Newfoundland, Canada.

E-1

Bright light

Solar cell

Keep the watch exposed to bright light

The electricity generated by the solar cell of the watch is

stored by a built-in battery. Leaving or using the watch

where it is not exposed to light causes the battery to run

down. Make sure the watch is exposed to light as much as

possible.

•When you are not wearing the watch on your wrist,

position the face so it is pointed at a source of bright

light.

•You should try to keep the watch outside of your sleeve

as much as possible. Even if the face of the watch is

blocked only partially from light, charging will be reduced

significantly.

E-2

Bright light

Electrical

energy

All

functions

enabled.

LEVEL 1

LEVEL 2

Charge

Solar cell

(Converts light to

electrical power.)

Rechargeable battery

LEVEL 1

LEVEL 2

Some

functions

disabled.

Dis-

charge

•The watch continues to operate, even when it is not exposed to light. Leaving the

watch in the dark can cause the battery to run down, which will result in some watch

functions to be disabled. If the battery goes dead, you will have to re-configure watch

settings after recharging. To ensure normal watch operation, be sure to keep it

exposed to light as much as possible.

Battery charges in the light. Battery discharges in the dark.

E-3

•The actual level at which some functions are disabled depends on the watch model.

•Be sure to read “Power Supply”(page E-47) for important information you

need to know when exposing the watch to bright light.

If the analog hands aren’t moving...

If the analog hands aren’t moving, it means that the power saving mode has stopped

them to save battery power.

•See “Power Saving”(page E-56) for more information.

•The hands also stop when the watch’s battery runs down.

Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any

damage or loss suffered by you or any third party arising through the use of this

product or its malfunction.

E-4

About This Manual

•Button operations are indicated using the letters shown

in the illustration.

•Each section of this manual provides you with the

information you need in order to perform operations in

each mode. Further details and technical information

can be found in the “Reference”section.

•To ensure that this watch provides you with the years of

service for which it is designed, be sure to carefully read

and follow the instructions under “Operating

Precautions”and “User Maintenance”.

Minute hand

Day

Hour hand

Second hand

E-5

Contents

General Guide ......................................................................................................... E-8

Radio-controlled Atomic Timekeeping ............................................................... E-11

World Time ............................................................................................................. E-33

Configuring Time and Date Settings Manually ................................................... E-37

Auto Hand Home Position Correction ................................................................. E-41

Manual Home Position Correction ...................................................................... E-44

Power Supply ........................................................................................................ E-47

Reference .............................................................................................................. E-53

Specifications ....................................................................................................... E-58

Operating Precautions ......................................................................................... E-60

User Maintenance ................................................................................................. E-68

E-6

Procedure Lookup

The following is a handy reference list of all the operational procedures contained in

this manual.

To specify your Home City ................................................................................... E-12

To check the current Home City STD/DST setting ............................................. E-14

To perform manual receive .................................................................................. E-28

To check the latest signal reception results ...................................................... E-30

To search for a city ............................................................................................... E-34

To check whether a time zone time is AM or PM ............................................... E-34

To change the STD/DST setting of a particular city code ................................. E-35

To check the STD/DST setting for a World Time Mode city ............................... E-36

E-7

To trigger the auto hand home position correction operation manually ......... E-42

To recover from the sleep state ........................................................................... E-57

E-8

Timekeeping

Mode

Receive Status

Check (page E-30)

Manual Receive

(page E-28)

Setting Mode

(pages E-12, E-44)

▲

Press A.

▲

Hold down Afor about two seconds.

Press any button.

Hold down Afor about five seconds.

Press A.

General Guide

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