Casio 2555 Operation Manual

MO0311-EA
About This Manual
General Guide
• Press C to change from mode to mode.
• In any mode, press B to illuminate the display.
Timekeeping Mode
Radio-controlled 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.
• In the Timekeeping Mode, press D to display the Last Signal screen. The Last
Signal screen shows the date and time of the last successful time cailbration signal
reception.
Month – Day Hour : Minutes Seconds
PM
indicator
Day of week
• This watch is designed to pick up the time calibration signal transmitted from Rugby,
England and the signal from Mainflingen, Germany.
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 Home City,
which is the city where you will normally use the watch. For more information, see
"To set your Home City" below.
• When using the watch that is outside of the range of the transmitters in Rugby and
Mainflingen, you need to manually adjust the time as required. See "Timekeeping"
for information about manual settings.
To set your Home City
City code
Important!
• Normally, your watch should show the correct time as soon as you select your Home
City code. 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.
• If you are in an area that does not use Daylight Saving Time (summer time), turn off
the DST setting.
• See "Transmitters" for details about the transmitter indicator.
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 automatically picks up the time calibration signal five
times a day at 0:00 a.m., 1:00 a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. 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".
Operation Guide 2555 2868
• 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.
World Time Mode
Press C.
Alternate at the
2-second interval
Press D.
Receive date
Last Signal Screen
1. In the Timekeeping Mode, hold down A until the
transmitter indicator ( A/T , MSF , or DCF
flash, which indicates the setting screen.
• If the displayed transmitter indicator shows something
, use D to display
other than A/T A/T
advancing to the next step.
2. Press C to display the city code setting screen.
3. Use D(east) and B(west) to select the city code you
want to use as your Home City.
• The following are the city codes for major cities in the
Western Europe time zones.
LON : London
PAR and BER : Paris, Berlin, Milan, Rome,
Amsterdam, Hamburg, Frankfurt, Vienna,
Barcelona, Madrid
4. Press A to exit the setting screen.
Alarm Mode
Stopwatch Mode
Important!
• Position the watch as shown in the nearby illustration, with its 12 o'clock side facing
towards a window. Make sure there are no metal objects nearby.
Receive time
• The watch should not be on its side or facing the wrong way.
• Proper signal reception can be difficult or even impossible under the conditions listed
below.
Inside or
among
buildings
• Signal reception is normally better at night than during the day.
) starts to
• Time calibration signal reception takes from two to five minutes, but in some cases it
can take as long as 14 minutes. Take care that you do not perform any button
operations or move the watch during this time.
before
1,500 kilometers
Rugby
500 kilometers
• This watch is designed to receive the time calibration signal transmitted from Rugby,
England and the signal from Mainflingen, Germany. Signal reception is possible
within the area represented by a circle with a radius of about 1,500 kilometers.
• At distances further than about 500 kilometers from a transmitter, signal reception
may not be possible during certain times of year or times of day. Radio interference
may also cause problems with reception.
• See the information under "Signal Receive Troubleshooting" if you experience
problems with time calibration signal reception.
About Auto Receive
When auto receive is turned on, the watch automatically starts to receive the time
calibration signal when the time in the Timekeeping Mode reaches 0:00 a.m., 1:00
a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. each day (calibration times). The watch will
also perform an additional auto receive operation at 5:00 a.m. if none of regularly
scheduled auto receive operations are successful.
Date Alert Mode
Time Recorder Mode
Resin Band Metal Band
Inside a Near Near a Near high-
vehicle household construction tension
appliances or site, airport, or power lines
office other sources
equipment, of electrical
or a mobile noise
phone
Among or
behind
mountains
Mainflingen
1