Casio 2752 Скачать руководство пользователя страница 5

Operation Guide 2752

5

Note

Auto DST (

A

t

) can be selected only while 

HNL

ANC

LAX

DEN

CHI

,

NYC

,  

HKG

TYO

, or 

SEL

is selected as the Home City code. For more

information, see “Daylight Saving Time (DST)” below.

Daylight Saving Time (DST)

Daylight Saving Time (summer time) advances the time setting by one hour from
Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
The time calibration signal transmitted from Fort Collins includes both Standard Time
and DST data. When the Auto DST setting is turned on, the watch switches between
Standard Time and DST (summer time) automatically in accordance with the Fort
Collins signal.

The time calibration signals transmitted from Fukushima and Fukuoka/Saga do not
include summer time data.

The default DST setting is Auto DST (

A

t

) whenever you select 

HNL

ANC

,

LAX

DEN

CHI

NYC

TYO

SEL

, or 

HKG

 as your Home City code.

If you experience problems receiving the time calibration signal in your area, it is
probably best to switch between Standard Time and Daylight Saving Time (summer
time) manually.

To change the Daylight Saving Time (summer time) setting

1. In the Timekeeping Mode, hold down 

A

 until the city code starts to flash, which

indicates the setting screen.

2. Press 

C

 once and the DST setting screen appears.

3. Use 

D

 to cycle through the DST settings in the sequence shown below.

4. When the setting you want is selected, press 

A

 to exit the setting screen.

The DST indicator (

) appears on the display to indicate that Daylight Saving Time

is turned on.

Auto DST (

A

 t 

)

DST off (

OFF

)

DST on (

ON

)

Analog Timekeeping

The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.

Note

The hands for the analog timepiece move to adjust to a new setting whenever any of
the following occurs.

When you change the digital time setting manually
When the digital time setting is changed by time calibration signal reception
When you change the Home City code and/or DST setting

If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust the analog time” to match the analog setting to the digital
setting.

Whenever you need to adjust both the digital and the analog time settings manually,
make sure you adjust the digital setting first.

Depending on how much the hands have to move in order to adjust to the digital
time, it may take some time before they stop moving.

To adjust the analog time

1. In the Timekeeping Mode, press 

C

 five times to enter

the Hand Setting Mode.

2. Hold down 

A

 until the current digital time starts to

flash, which indicates the setting screen.

3. Use 

D

 and 

B

 to adjust the analog setting as

described below.

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When you want to do this:

Move the hand setting
forward 20 seconds
Move the hand setting a short
way forward at high speed

Perform this button operation:

Press 

D

.

Hold down 

D

.

Release 

D

 when the hands reach the setting

you want.

Move the hand setting a
long way forward at high
speed

While holding down 

D

 to move the hands at

high speed, press 

B

 to lock the high-speed

hand movement.

To stop the hand movement, press any
button.

Hand movement stops automatically if the hour
hand makes one full (12-hour) revolution.

4. Press 

A

 to exit the setting screen.

The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.

To return to the Timekeeping Mode, press 

C

.

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.

Power Saving Function

When turned on, the Power Saving function automatically
enters a sleep state whenever the watch is left in an area
where lighting is dim (less than about 30 lux).
The following shows how watch functions are affected
when left in a dark place while in the sleep state.

Power saving
indicator

Elapsed Time in Dark

60 to 70 minutes

6 or 7 days

Functions

LCD off

Alarm, hourly time signal, analog timekeeping and
auto receive enabled

 LCD off, alarm and hourly time signal disabled

 Analog timekeeping stopped at 12 o’clock

 Auto receive disabled

Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.

The watch will not enter the sleep state between 6:00 AM and 10:59 PM. If the
watch is already in the sleep state when 6:00 AM arrives, however, it will remain in
the sleep state.

To recover from the sleep state

Perform any one of the following operations.

Move the watch to a well-lit area.

Press any button.

Angle the watch towards your face for reading.

To turn Power Saving on and off

1. In the Timekeeping Mode, hold down 

A

 until the city

code starts to flash, which indicates the setting screen.

2. Press 

C

 nine times until the Power Saving on/off

screen appears.

3. Press 

D

 to toggle Power Saving on (

ON

) and off

(

OFF

).

4. Press 

A

 to exit the setting screen.

The Power Saving indicator (

) is on the display in all

modes while the Power Saving is turned on.

Auto Return Features

If you leave the watch in the Alarm or Hand Setting Mode for two or three minutes
without performing any operation, it automatically returns to the Timekeeping Mode.

If you leave the watch with a flashing setting on the display for two or three minutes
without performing any operation, the watch automatically exits the setting screen.

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On/Off status

Scrolling

The 

B

 and 

D

 buttons are used in various modes and setting screens to scroll

through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls through the data at high speed.

Initial Screens

When you enter the World Time or Alarm Mode, the data you were viewing when you
last exited the mode appears first.

Radio-controlled Atomic Timekeeping Precautions

Strong electrostatic charge can result in the wrong time being set.

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.

The time calibration signal bounces off the ionosphere. Because of this, such factors
as changes in the reflectivity of the ionosphere, as well as movement of the
ionosphere to higher altitudes due to seasonal atmospheric changes or the time of
day may change the reception range of the signal and make reception temporarily
impossible.

Even if the time calibration signal is received properly, certain conditions can cause
the time setting to be off by up to one second.

The current time setting in accordance with the time calibration signal takes priority
over any time settings you make manually.

The watch is designed to automatically update the date and day of the week for the
period January 1, 2000 to December 31, 2099. Setting of the date by the time
calibration signal cannot be performed starting from January 1, 2100.

This watch can receive signals that differentiate between leap years and non-leap
years.

Though this watch is designed to receive both time data (hour, minutes, seconds)
and date data (year, month, day), certain signal conditions can limit reception to time
data only.

Normally, the signal reception date shown by the last signal screen is the date data
included in the received time calibration signal. When only time data is received,
however, the last signal screen shows the date as kept in the Timekeeping Mode at
the time of signal reception.

If you are in an area where proper time calibration signal reception is impossible, the
watch keeps time within 

±

15 seconds a month at normal temperature.

If you have problems with proper time calibration signal reception or if the time
setting is wrong after signal reception, check your current city code, DST (summer
time), and auto receive settings. The following are the initial factory defaults for these
settings.

Setting

City code
DST (summer time)

Auto receive

Initial Factory Default

NYC

(New York)
(Auto switching)

(Auto receive)

To configure auto receive settings for Japan

Note

The following procedure applies when you have 

TYO

 (Tokyo) selected as your

Home City. If you are using the watch in the U.S., see “To turn configure the auto
receive setting for the U.S.”.

1. In the Timekeeping Mode, press 

D

 to display the last

signal screen.

The watch will automatically return to the
Timekeeping Mode if you do not perform any button
operation for two or three minutes after displaying the
last signal screen.

2. Hold down 

A

 until the Japan auto receive indicator

flashes on the display. This is the setting screen.

3. Use 

D

 or 

B

 to specify the transmitter selection mode

you want to use.

Each press of 

D

 or 

B

 cycles through the available

auto receive settings described below.

A

t

 : Auto receive on. The watch automatically

selects the transmitter whose signal is
strongest. Signal reception can take up to 12
minutes when this option is selected.

40

 :

Auto receive on for reception of the
Fukushima signal (40kHz).

60

 :

Auto receive on for reception of the Fukuoka/
Saga signal (60kHz).

OFF

 : Auto receive off.

4. Press 

A

 to exit the setting screen.

To return to the Timekeeping Mode from the last signal
screen, press 

D

.

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Japan auto receive
indicator

Содержание 2752

Страница 1: ...al refers to the area that consists of Canada the continental United States and Mexico Day of week Minute hand Hour hand Seconds Current Time Setting This watch automatically adjusts its time setting in accordance with a time calibration signal You can also perform a manual procedure to set the time and date when necessary The first thing you should do after purchasing this watch is to set your Ho...

Страница 2: ...ng indicator is not displayed if signal reception was unsuccessful or after manual adjustment of the current time setting The Level 4 receiving indicator indicates that at least one of the five calibration signal receive operation was successful Note however that the Level 4 receiving indicator is cleared from the display at 3 00 a m each day To perform manual receive 1 Place the watch on a stable...

Страница 3: ...o repeat setting 4 Press A to exit the setting screen Minutes Auto repeat To use the countdown timer Press D while in the Countdown Timer Mode to start the countdown timer When the end of the countdown is reached and auto repeat is turned off the alarm sounds for 10 seconds or until you stop it by pressing any button The countdown time is automatically reset to its starting value after the alarm s...

Страница 4: ... tone Coordination between digital and analog timekeeping 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 recharg...

Страница 5: ...l lit area Press any button Angle the watch towards your face for reading To turn Power Saving on and off 1 In the Timekeeping Mode hold down A until the city code starts to flash which indicates the setting screen 2 Press C nine times until the Power Saving on off screen appears 3 Press D to toggle Power Saving on ON and off OFF 4 Press A to exit the setting screen The Power Saving indicator is o...

Страница 6: ...ivities that might cause frequent illumination of the display Note that wearing the watch under your sleeve while the auto light switch is turned on can cause frequent illumination of the display and can run down the battery Illumination may not turn on if the face of the watch is more than 15 degrees above or below parallel Make sure that the back of your hand is parallel to the ground Illuminati...

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