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Casio 2734 Manual

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Operation Guide 2734 58 3748 9
2
About Auto Receive
When auto receive is turned on, the watch automatically starts to receive the time
calibration signal when the digital 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.
Note
• The auto receive operation is performed only if the watch is in the Timekeeping
Mode or World Time Mode when one of the calibration times is reached. It is not
performed if a calibration time is reached while an alarm is sounding, or while you
are configuring settings (while settings are flashing on the display).
• Auto receipt of the calibration signal is designed to be performed early in the
morning, while you sleep (provided that the Timekeeping Mode time is set
correctly). Before going to bed for the night, remove the watch from your wrist, and
put it in a location where it can easily receive the signal.
• When auto receive is turned on, the watch receives the calibration signal for two to
five minutes everyday when the digital time in the Timekeeping Mode reaches
each of the calibration times. Do not perform any button operation within five
minutes before or after any one of the calibration times. Doing so can interfere with
correct calibration.
• Remember that reception of the calibration signal depends on the time kept in the
digital display. The receive operation will be performed whenever the display
shows any one of the calibration times, regardless of whether or not the displayed
time is actually the correct time.
• When two, three, four, or five receptions are successful, the watch uses the data of
the last reception for calibration. When only one reception is successful, the watch
uses the data of the successful reception.
Receiving indicator
Weak
Strong
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(Level 1)
(Level 4)
About the Receiving Indicator
The receiving indicator shows the strength of the calibration signal being received.
For best reception, be sure to keep the watch in a location where signal strength is
strongest.
• Even in an area where signal strength is strong, it takes about 10 seconds for
signal reception to stabilize enough for the receiving indicator to indicate signal
strength.
• Use the receiving indicator as a guide for checking signal strength and for finding
the best location for the watch during signal receive operations.
• The Level 4 receiving indicator remains on the display in all modes following
reception of the time calibration signal and calibration of the watch’s time setting.
The Level 4 receiving indicator is not displayed if signal reception was
unsuccessful or after manual adjustment of the current time setting.
• The Level 4 receiving indicator is displayed only when the watch is able to
successfully receive both time and date data. It does not appear when only time
data is received.
• The Level 4 receiving indicator indicates that at least one of the calibration signal
receive operations 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 surface so its top (12
o’clock side) is facing towards a window.
• Note that signal reception is poor when the 12
o’clock side of the watch is not facing towards a
window.
2. In the Timekeeping Mode, hold down D for about two
seconds until the watch beeps.
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Receiving indicator
3. Release D and the current time flashes to indicate that signal reception has
started.
• Time calibration signal reception takes from two to five minutes. Take care that you
do not perform any button operations or move the watch during this time.
• After signal reception is complete, the display of the watch changes to the Last
Signal screen.
Note
• To interrupt a receive operation and return to the Timekeeping Mode, press D.
• If the receive operation is unsuccessful, the message
ERR appears on the display
for about one or two minutes. After that, the watch returns to the Timekeeping
Mode.
• You can also change from the Last Signal or
ERR screen to the normal
timekeeping screen by pressing D.
To turn auto receive on and off
1. In the Timekeeping Mode, hold down A until the
transmitter indicator starts to flash, which indicates the
setting screen.
2. Press C three times to move the flashing to the auto
receive on/off setting.
3. Press D to toggle auto receive on (ON) and off (OF).
• If the current Home City setting is a city code that
does not support signal receive, “xx” appears in
place of the on/off indicator. This means you cannot
turn auto receive on or off.
4. Press A twice to exit the setting screen.
On/off status
To display the digital time and Last Signal screen
• In the Timekeeping Mode, press A to cycle through the digital time screens as
shown below.
• In the Timekeeping Mode, press D to display the Last Signal screen (indicated by
GET). The Last Signal screen shows the date and time of the last successful time
calibration signal reception.
▲
Press D.
Seconds
Last Signal Screen
Receive date
Receive time
Alternate at two-
second interval
Day of week
Hour : Minutes Seconds Month — Day
A
▲
A
▲
Press A.
▲
Month — Day
▲
Signal Receive Troubleshooting
Check the following points whenever you experience problems with calibration
signal reception.
Problem
Cannot perform
manual receive.
Auto receive is
turned on, but
the Level 4
receiving
indicator does
not appear on
the display.
Time setting is
incorrect
following signal
reception.
Probable Cause
•
The watch is not in the Timekeeping Mode.
• Your current Home City is not one of the
following city codes:
BER, PAR , or LON.
• The transmitter setting is incorrect.
• The transmitter setting is incorrect.
• You changed the time setting manually.
• The watch was not in the Timekeeping
or World Time Mode, or you performed
some button operation during the auto
receive operation.
•
Even if receive is successful, the Level 4
receiving indicator disappears every day
at 3 am.
• Time data (hour, minutes, seconds) only
was received during the last receive
operation. The Level 4 receiving
indicator appears only when time data
and date data (year, month, day) are
both received.
• If the time is one hour off, the DST
setting may be incorrect.
• The Home City code setting is not
correct for the area where you are using
the watch.
What you should do
• Enter the Timekeeping Mode
and try again.
• Select BER, PAR, or LON as
your Home City.
• Select the transmitter setting
appropriate for your current
location.
• Select the transmitter setting
appropriate for your current
location.
• Perform manual signal receive
or wait until the next auto
signal receive operation is
performed.
• Check to make sure the watch
is in a location where it can
receive the signal.
• Change the DST setting to
Auto DST.
• Select the correct Home City
code.
• For further information, see “Important!” under “Time Calibration Signal Reception”
and “Radio-controlled Timekeeping Precautions”.
World Time
The World Time shows the current time in 30 cities (29
time zones) around the world.
• If the current time shown for a city is wrong, check your
Home City time settings and make the necessary
changes.
• The watch will perform a signal receive operation even
if it is in the World Time Mode when a calibration time is
reached. If this happens, the World Time Mode time
settings will be adjusted in accordance with the
Timekeeping Mode’s Home City time.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
City Code
Current time in the
selected city code
To view the time in another city
While in the World Time Mode, press D to scroll through the city codes (time zones).
• For full information on city codes, see the “City Code Table”.
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use D to display the city
code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.
2. Hold down A to toggle Daylight Saving Time (DST
displayed) and Standard Time (DST not displayed).
• Note that you cannot use the World Time Mode to
change the DST setting of the Home City code you
currently have selected in the Timekeeping Mode. See
“To change the Daylight Saving Time (summer time)
setting” for information about turning the Home City
code DST setting on and off.
DST indicator
• The DST indicator is on the display whenever you display a city code for which
Daylight Saving Time is turned on.
• Note that the DST/Standard Time setting affects only the currently displayed city
code. Other city codes are not affected.
Alarms
The Alarm Mode gives you a choice of four one-time
alarms and one snooze alarm. One of the one-time
alarms functions as a “target alarm,” which counts the
time remaining from the current Home City time to the
target alarm time.
Also use the Alarm Mode to turn the Hourly Time Signal
on and off.
• There are five alarms named
AL1, AL2, AL3, TAL
(target alarm), and SNZ. You can configure SNZ as
a snooze alarm only. Alarms
AL1, AL2, AL3, and
TAL can be used as one-time alarms only.
• Alarm settings (and Hourly Time Signal settings) are
available in the Alarm Mode, which you enter by
pressing C.
Alarm time
(Hour : Minutes)
Alarm name
Hourly Time
Signal Screen
To set an alarm time
1. In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
2. After you select an alarm, hold down A until the hour setting of the alarm time
starts to flash, which indicates the setting screen.
• This operation automatically turns on the alarm.
3. Use C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (P indicator).
AL1 AL2 AL3
SIG SNZ TAL
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