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To set the alert date
1. Use C to enter the Date Alert Mode.
2. Use D to scroll through the alert screens until the one
Alert date
whose date you want to set is displayed.
(Month–Day)
D A 1
3. After you select an alert, hold down A until the month
setting of the alert date starts to flash, which indicates
the setting screen.
This operation automatically turns on the alert.
4. Press C to move the flashing in the sequence shown
below.
5. While the month or day setting is flashing, use D (+)
and B (–) to change it.
6. Press A to exit the setting screen.
To turn an alert on and off
1. In the Date Alert Mode, use D to select the screen for
the alert (
DA1
want to select.
2. Press A to toggle it on and off.
• Note that the month and day do not appear if the alert
is turned off.
Alert On
Press A.
Alert Off
Time Recorder
The Time Recorder Mode lets you store up to 30 time
Current time
entries (month, day, hour, minutes) with the touch of a
(Hour : Minutes)
button. One way you can use the Time Recorder Mode is
to record the start time and the end time of a particular
event.
• All of the operations in this section are performed in the
Time Recorder Mode, which you enter by pressing C.
Standby Screen
To record a Time Recorder time
1. Use C to enter the Time Recorder Mode.
• This displays the Time Recorder standby screen.
2. Press D to record the current date and time (month, day, hour, minutes).
• The recorded time flashes for about two seconds and then assigned the next
available record number, in the range of
T1
standby screen appears.
• A new time is recorded each time you press D while the standby screen is on the
display.
• Records are assigned numbers sequentially from
• Storing a new time record when there are already 30 records stored in memory
automatically deletes record
, shifts the remaining records upwards by 1, and
T1
stores the new record as
T30
.
To recall Time Recorder times
1. In the Time Recorder Mode, press A to recall Time Recorder times.
2. Use D to scroll through times stored in memory.
Recorded time
(Hour : Minutes)
Time record number
• Each press of D scrolls through time records from higher numbered (newer)
records to lower numbered records.
• If you recorded a new Time Recorder time since you last entered the Time Recorder
Mode, the newest record appears first. If you have not recorded a new time, the
record you were viewing when you last exited the Time Recorder Mode appears first.
To delete all Time Recorder times
In the Time Recorder Mode, press A and D at the same time to delete all Time
Recorder times.
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 59 minutes, 59.99
Minutes
Seconds
seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
1/100 second
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
USER'S GUIDE 2733
D A 2
D A 3
D A 5
D A 4
Month
Day
through
DA5
) whose alert type you
through
T30
. Next the time recorder
T1
through
T30
.
Alternate at two-second interval
To measure times with the stopwatch
Elapsed Time
D
D
D
Start
Stop
Re-start
Split Time
D
A
A
Start
Split
Split release
Two Finishes
D
A
D
Start
Split
Stop
First runner
Second runner
finishes.
finishes.
Display time of
first runner.
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.
Auto return features
• If you leave the watch in the Alarm, Data Memory, or Hand Setting Mode for two or
three minutes without performing any operation, it automatically changes to the
Timekeeping Mode.
• If you leave the watch with a flashing setting or cursor on the display for two or three
minutes without performing any operation, it automatically saves any settings you
have made up to that point and exits the setting screen.
Scrolling
The A, 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, Alarm, or Date Alert Mode, the data you were
viewing when you last exited the mode appears first.
Time Calibration Signal Reception 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 is 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 is bounced 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.
• The watch is designed to automatically update the date and day of the week for the
period January 1, 2000 to December 31, 2039. Setting of the date by the time
calibration signal cannot be performed starting from January 1, 2040.
• 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.
• When all four auto receptions are successful (2:00 AM, 3:00 AM, 4:00 AM, and 5:00
AM), 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.
• 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 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 20 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
Initial Factory Default
City code
BER
(Berlin)
DST (summer time)
A
(Auto switching)
DST
Auto receive
ON
(Auto receive)
R/C
Timekeeping
• Resetting the seconds to
00
while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to
00
without changing the minutes.
• The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
• The year can be set in the range of 2000 to 2039.
• The watch's built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch's battery replaced.
• The current time for all city codes in the Timekeeping Mode and World Time Mode is
calculated in accordance with the Greenwich Mean Time (GMT) differential for each
city, based on your Home City time setting.
• GMT differential is calculated by this watch based on Universal Time Coordinated
(UTC*) data.
* The letters "UTC" stands for "Universal Time Coordinated," which is the world-wide scientific
standard of timekeeping. It is based upon carefully maintained atomic (cesium) clocks that
keep time accurately to within microseconds. Leap seconds are added or subtracted as
necessary to keep UTC in sync with the Earth's rotation. The reference point for UTC is
Greenwich, England.
A
D
Stop
Clear
D
A
Stop
Clear
A
A
Clear
Split release
Display time of
second runner.
4
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