Casio 3100 Watch User Manual


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Operation Guide 3100
MA0801-EA
About This Manual
• Depending on the model of your watch, display text
appears either as dark figures on a light background or
light figures on a dark background. All sample displays
in this manual are shown using dark figures on a light
background.
• 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.
(Light)
(Light)
Timekeeping Mode Stopwatch Mode Preset Timer Mode Alarm ModeWorld Time ModeCountdown Timer Mode
Press .
General Guide
• Press B to change from mode to mode.
• In any mode (except when a setting screen is on the display), press L to illuminate
the display.
To set the time and date
1.In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2.Press B to move the flashing in the sequence shown
below to select other settings.
Seconds City Code
Hour
Year MinutesDay
DST
Month
3. When the setting you want to change is flashing, use D and C to change it as
described below.
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
Read This Before You Set the Time and Date !
The times displayed in the Timekeeping Mode and World
Time Mode are linked. Because of this, make sure you
select a Home City code before you set the time and date.
PM indicator
Hour : Minutes : Seconds
Month – Day Day of week
Screen
50
OFF
6-30
To do this:
Reset the seconds to
00
Toggle between Daylight Saving Time (
ON
)
and Standard Time (
OFF
)
Change the city code
Change the hour or minutes
Change the year
Change the month or day
Do this:
Press D.
Press D.
Use D (east) and C (west).
Use D (+) and C (–).
• For details about city codes, see the “City Code Table”.
• See “Daylight Saving Time (DST)” for details about DST setting.
4. Press A to exit the setting screen.
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour from
Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
To toggle the Timekeeping Mode time between DST and Standard Time
1.In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2.Press B to display the DST setting screen.
3.Press D to toggle between Daylight Saving Time
(
ON
displayed) and Standard Time (
OFF
displayed).
4.Press A to exit the setting screen.
• The DST indicator appears on the display to indicate
that Daylight Saving Time is turned on.
DST indicator
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and
24-hour timekeeping.
• With the 12-hour format, the P (PM) indicator appears on the display for times in the
range of noon to 11:59 p.m. and the A (AM) indicator appears for times in the range
of midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
• The A and P indicators are not displayed when the current time is displayed in other
modes.
Stopwatch
The Stopwatch Mode lets you time a game or event. The
upper display shows non-stop total elapsed time, while
the lower display shows event elapsed time, which can be
paused as required for time outs, half time, etc.
• The measurement limit of the upper display (total time)
is 99 minutes 59 seconds.
• The measurement limit of the lower display (event time)
is 59 minutes 59 seconds.
• A stopwatch measurement operation continues to run
until you stop it. If either time reaches its measurement
limit, it will restart from zero.
• A stopwatch measurement operation continues even if
you exit the Stopwatch Mode.
• Starting event timing will cause the display to change to
the Elapsed Time Screen from the initial screen shown
on this page.
• All of the operations in this section are performed in the Stopwatch Mode, which you
enter by pressing B.
Event time minutes, seconds
* The time measurement in this
display can be paused and
restarted by pressing .
Total time minutes, seconds,
1/100 second
* Once started, this time
measurement cannot be
paused. It shows total time
since the stopwatch
measurement operation
started.
Elapsed Time Screen
Basic Event Timing Operation
Start
Stop* Re-start Stop* Clear
Hold down
* Total time measurement in upper display continues.
Using the Stopwatch Mode to Time a Sporting Event
You can time a sporting event with the Stopwatch Mode either with or without
presetting the duration of the event. If you do, the watch will beep when the total time
in the upper display reaches the preset event duration.
If the event is interrupted for timeouts or some other reason, press D to pause and
restart event time measurement in the lower display. Since total time measurement
continues in the upper display, you can calculate the time that play was interrupted
(lost time) by subtracting the time in the lower display from the time in the upper
display.
Current
Timekeeping Mode time
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