World Time; Countdown Timer - Casio 3071 Operation Manual

Operation Guide 3071 ( B )
To view historical record contents
1. Enter the Data Recall Mode.
2. Press B to display the historical record screen (TTL REC).
3. Use A and C to scroll through the historical record screens as shown
below.
Historical record data items
A
MAX MIN
C
4. To return to the periodic record and current session screens, press B
again.
5. After you are finished viewing data, press D to exit the Data Recall Mode.
Clearing the Historical Record
Use the following procedure when you want to clear the contents of the
historical record and restart all values from zero.
To clear the historical record
1. In the Data Recall Mode, press B to display
the high altitude data (
record.
2. Hold down E.
•
CLR
display.
3. Keep E held down for an additional two
seconds until
• The historical record high altitude screen will
reappear when data deletion is complete.
• If you release the E button part way through
the above procedure, the watch will return to
the historical record high altitude screen
without deleting the data.

World Time

World Time displays the current time in 30 cities
Current time in the zone
(29 time zones) around the world.
of the selected city code
• If the current time shown for a city is wrong,
City code
check your Home City time settings and make
the necessary changes.
• For full information on city codes, see the "City
Code Table".
• All of the operations in this section are
performed in the World Time Mode, which you
enter by pressing D.
To view the time in another city
In the World Time Mode, use A (east) and C
(west) to scroll through city codes (time zones).
Timekeeping
• When the currently selected time zone is one
Mode time
that includes mostly ocean, a value indicating
the zone's Greenwich Mean Time differential
appears in place of a city code.
To toggle a city code time between Standard Time and Daylight
Saving Time
1. In the World Time Mode, use A (east) and C
DST indicator
(west) to display the city code (time zone)
whose Standard Time/Daylight Saving Time
setting you want to change.
2. Hold down E to toggle between Daylight
Saving Time (DST indicator displayed) and
Standard Time (DST indicator not displayed).
• The DST indicator appears on the display
whenever you display a city code for which
Daylight Saving Time is turned on.
• You cannot toggle between Daylight Saving Time and Standard Time if the
GMT
displayed city code is .
• Note that the DST/Standard Time setting affects only the currently
displayed city code. Other city codes are not affected.
ASC DSC
MAX ) of the historical
will appear in the upper part of the
CLR
starts flashing.
Stopwatch
The stopwatch lets you measure elapsed time,
Hours
split times, and two finishes.
• The display range of the stopwatch is 23 hours,
1/100 second
59 minutes, 59.99 seconds.
• The stopwatch continues to run, restarting from
zero after it reaches its limit, until you stop it.
• The stopwatch measurement operation
continues even if you exit the Stopwatch Mode.
• Exiting the Stopwatch Mode while a split time is
frozen on the display clears the split time and
returns to elapsed time measurement.
• All of the operations in this section are
Minutes
Seconds
performed in the Stopwatch Mode, which you
enter by pressing D.
Current time
To measure times with the stopwatch
Elapsed Time
A A A
J J
Start Stop Re-start
Split Time
A C C
J J
Start Split Split release
(SPL displayed)
Two Finishes
A C A
J J
Start Split Stop
First runner Second runner
finishes. finishes.
Display time
of first runner.

Countdown Timer

You can set the countdown timer within a range
Hours
of one minute to 24 hours. An alarm sounds
when the countdown reaches zero.
• All of the operations in this section are
performed in the Countdown Timer Mode,
which you enter by pressing D.
To set the countdown start time
1. While the countdown start time is on the
display in the Countdown Timer Mode, hold
down E until the hour setting of the
Minutes Seconds
countdown start time starts to flash, which
indicates the setting screen.
Current time
• If the countdown start time is not displayed,
use the procedure under "To use the
countdown timer" to display it.
2. Press D to move the flashing between the hour and minute settings.
3. Use A (+) and C (–) to change the flashing item.
• To set the starting value of the countdown time to 24 hours, set
' .
OO OO
4. Press E to exit the setting screen.
To use the countdown timer
Press A while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached, the alarm sounds for five
seconds or until you stop it by pressing any button. The countdown time is
reset to its starting value automatically when the alarm sounds.
• Press A while a countdown operation is in progress to pause it. Press A
again to resume the countdown.
• To stop a countdown operation completely, first pause it (by pressing A)
and then press C. This returns the countdown time to its starting value.
Alarms
You can set five independent daily alarms. When
Alarm number
an alarm is turned on, the alarm tone sounds
when the alarm time is reached.
You can also turn on an Hourly Time Signal,
which will cause the watch to beep twice every
hour on the hour.
• The alarm number (ALM-1 through ALM-5)
indicates an alarm screen. SIG is shown when
the Hourly Time Signal screen is on the display.
• When you enter the Alarm Mode, the data you
were viewing when you last exited the mode
Current time
appears first.
• All of the operations in this section are
Alarm time
(Hour : Minutes)
performed in the Alarm Mode, which you enter
by pressing D.
A C
J J
Stop Clear
A C
J J
Stop Clear
C C
J J
Split release Clear
Display time of
second runner.
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