Casio Casio Watch MO0510-EA User's Manual

Casio Watches User's Manual - Casio Watch MO0510-EA.
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Operation Guide 4303

1

MO05

10-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 and keep it on hand for later reference
when necessary.

Before using the watch for the first time...
Some watches are sent from the factory with timekeeping
stopped, and the second hand at 12 o’clock. Press the A
button to start the second hand.

• This watch does not have a time zone that corresponds to the Greenwich

Mean Time differential of –3.5 hours. Because of this, the radio-controlled
timekeeping and World Time functions will not display the correct time for
Newfoundland, Canada.

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 to perform operations in each
mode. Further details and technical information can be
found in the “Reference” section.

Hour hand

Minute hand

Date

Second hand

General Guide
• This watch is designed so the function of a button is executed when you release the

button, not when you press it.

• Use A and B to change from mode to mode as shown below.

Press B.

Timekeeping Mode (Day)

Timekeeping Mode

(Day of week)

Receive Result Mode

Timekeeping Mode

▲ Press A.

Radio-controlled Atomic Timekeeping

This watch receives a time calibration signal and updates its time setting accordingly.
The time calibration signal includes both Standard Time and Daylight Saving Time
(summer time) data.

• This watch is designed to pick up the time calibration signal transmitted in the United

States (Fort Collins) and England (Rugby).

Current Time Setting
This watch adjusts its time setting automatically 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 specify your Home

Time Zone, which is the time zone where you will normally use the watch. For more
information, see “To specify your Home Time Zone” below.

• When using the watch outside the range of 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.

To specify your Home Time Zone

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

seconds until the currently selected Time Zone appears
on the display. This is the setting mode.

• The GMT differential value indicates the time

difference in hours between Greenwich Mean Time
and the currently selected time zone.

2. Press A to select the time zone you want to use as

your Home Time Zone.

E (GMT– 5) : New York, Detroit, Miami, Boston
C (GMT– 6) : Chicago, Houston, Dallas/Fort Worth,

New Orleans

M (GMT– 7) : Denver, El Paso, Culiacan
P (GMT– 8) : Los Angeles, San Francisco, Las Vegas,

Seattle/Tacoma, Tijuana

0 (GMT  0) : London
+1 (GMT+ 1) : Paris, Berlin, Milan, Rome, Amsterdam,

Hamburg, Frankfurt, Vienna, Barcelona,
Madrid

Time Zone

• 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.

3. Press B ten times to exit the setting mode.

• The watch will also return to the Timekeeping Mode if you do not perform any

operation for about three minutes.

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

Time Zone setting screen. If it does not, it should adjust automatically after the next
auto receive operation (in the middle of the night). You can also 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.

• The watch will receive the time calibration signal automatically from the applicable

transmitter (in the middle of the night) and update its settings accordingly. For
information about the relationship between time zones (GMT differential values) and
transmitters, see “Transmitters”.

• See the maps under “Reception Ranges” for information about the reception ranges

of the watch.

• You can disable time signal reception, if you want. See “To set the time and date

manually” for more information.

Time Calibration Signal Reception
There are two different methods you can use to receive the time calibration signal:
auto receive and manual receive.

• Auto Receive
With auto receive, the watch receives the time calibration signal automatically up to
five times a day. When any auto receive is successful, the remaining auto receive
operations are not performed. For more information, see “About Auto Receive”.

• Manual Receive
Manual receive lets you start a time calibration receive operation with the press of a
button. For more information, see “To perform manual receive”.

Important!

• When getting ready to receive the time calibration signal, position the watch as

shown in the nearby illustration, with its 6 o’clock side facing towards a window.
Make sure there are no metal objects nearby.

6 o’clock

• The watch should not be facing the wrong way.

• Proper signal reception can be difficult or even impossible under the conditions listed

below.

• Signal reception is normally better at night than during the day.

• Time calibration signal reception takes from two to seven minutes, but in some

cases it can take as long as ten minutes. Take care that you do not perform any
button operations or move the watch during this time.

Inside or
among
buildings

Inside a
vehicle

Near a
construction
site, airport, or
other sources
of electrical
noise

Near high-
tension
power lines

Among or
behind
mountains

Near
household
appliances,
office
equipment,
or a mobile
phone

Reception Ranges

Rugby

1,500 kilometers
(930 miles)

500 kilometers
(310 miles)

Fort Collins

2,000 miles

600 miles

• Under good reception conditions, signal reception is possible within a radius of about

2,000 miles (3,000 kilometers) from the Fort Collins (the United States) transmitter.

• At distances further than about 600 miles (1,000 kilometers) from the Fort Collins (the

United States) transmitter, signal reception may not be possible during certain times of
year or times of day. Radio interferance may also cause problems with reception.

• Under good reception conditions, signal reception is possible within a radius of about 1,500

kilometers (930 miles) from the Mainflingen (Germany) or Rugby (England) transmitter.

• At distances further than about 500 kilometers (310 miles) from the Mainflingen

(Germany) or Rugby (England) transmitter, signal reception may not be possible
during certain times of year or times of day. Radio interferance may also cause
problems with reception.

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

problems with time calibration signal reception.

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