Casio CASIO watch MO0905-A User's Manual

Casio Clock Radio User's Manual - CASIO watch MO0905-A.
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Operation Guide 5007

1

MO0905-A

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.

• 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.

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.

ll

l

l

l

l

l

l

l

l

l

Bright light

Solar cell

• 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.

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

• Be sure to read “Power Supply” 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” 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.

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.

Upper right
dial hand

Stopwatch
second hand

Minute
hand

Hour hand

Date

Second hand

24-hour
hand

World Time Mode

Alarm Mode

Countdown Timer  Mode

Timekeeping Mode

Stopwatch Mode

Press C.

Press C.

Press B or D.

Press D.
(When the stopwatch is
reset to all zeros.)

Press C.

Press C.

General Guide

Manual Receive

Transmitter Change

Time/Date Adjustment

Receive Status Check

Timekeeping Mode

Press any button.

Hold down A for
about two seconds.

Hold down A
for about five seconds.

Press A.

Press A.

• Whenever you enter the Timekeeping, Countdown Timer, World Time, or Alarm

Mode, the hands of the watch move to the applicable time for that mode. Even if the
hands are moving, you can press C to move to another mode (except for the
Stopwatch Mode), if you want. Note, however, that all other buttons are disabled
while the hands are moving.

Radio-controlled Atomic Timekeeping

This watch receives a time calibration signal and updates its time setting accordingly.

• Supported time calibration signals: Germany (Mainflingen), England (Anthorn),

United States (Fort Collins), Japan (Fukushima or Fukuoka/Saga)

• See the information under “Signal Reception Troubleshooting” if you experience

problems with time calibration signal reception.

Current Time Setting
This watch adjusts its time setting automatically in accordance with a time calibration
signal. You also can perform a manual procedure to set the time and date, when
necessary.

• The first thing you should do after purchasing this watch is to specify your

Home City, which is the city where you normally will use the watch. For more
information, see “To specify your Home City”.

• When using the watch outside the areas covered by the time signal transmitters, you

will have to adjust the current time setting manually as required. See “Timekeeping”
for more information about manual time settings.

• The U.S. time calibration signal can be picked up by the watch while in North

America. The term “North America” in this manual refers to the area that consists of
Canada, the continental United States, and Mexico.

To specify your Home City

1. In the Timekeeping Mode, hold down A for about five

seconds until the watch beeps twice.

• The stopwatch second hand will move to the city code

of the currently selected Home City. This is the city
code setting mode.

• The second hand will stop at “0”.*

* Some models show “60” instead of “0”.

2. Use D to move the stopwatch second hand to the city

code you want to use as your Home City.

• Each press of D causes the stopwatch second hand

to advance clockwise to the next city code.

• Time calibration signal reception is supported when

any one of the city codes shown in the table below is
selected as your Home City.

Stopwatch
second hand

City code

• For full information on city codes, see the “City Code Table”.

German/U.K. Signal

Japan Signal

U.S. Signal

City
Code
LON
PAR
ATH

City Name

London
Paris
Athens

City
Code
HNL
ANC
LAX

City Name

Honolulu
Anchorage
Los Angeles

City
Code
DEN
CHI
NYC

City Name

Denver
Chicago
New York

City
Code
HKG
TYO

City Name

Hong Kong
Tokyo

• In addition to the above, you also can select city codes that are outside the ranges

of the time calibration signal transmitters supported by this watch.

• Note that this watch does not have a city code that corresponds to Newfoundland.

3. After the Home City setting is the way you want, press A to return to the

Timekeeping Mode.

• Normally, your watch should show the correct time as soon as you specify your

Home City code. If it does not, it should adjust automatically after the next auto
receive operation. You also can perform manual receive or you can set the time
manually.

• Even if the time calibration signal is received correctly, there are some times when

the analog hands may not indicate the correct time. If this happens, use the
procedures under “Adjusting the Home Positions” to check the home positions of the
hands, and make adjustments as required.

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 signals transmitted from Mainflingen (Germany), Anthorn
(England), or Fort Collins (the United States) include 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 signals.

• Though the time calibration signal transmitted by the Fukushima and Fukuoka/Saga,

Japan transmitters include summer time data, summer time currently is not
implemented in Japan (as of 2007).

• The default DST setting is Auto DST (AT/AUTO) whenever you select LONPAR,

ATHANC, LAX, DEN, CHI, NYC, or TYO as your Home City code.

• If you experience problems receiving the time calibration signal in your area, it

probably is best to switch between Standard Time and Daylight Saving Time
(summer time) manually. For more information, see “To set the time and date
manually”.

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