Casio 3450 User Manual
MA1610-EB
© 2016 CASIO COMPUTER CO., LTD.
Operation Guide 3450
About This Manual
x 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.
x Button operations are indicated using the letters shown in
the illustration.
x 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.
x To ensure that this watch provides you with the years of
service for which it is designed, carefully read and follow
the instructions under “Operating Precautions” and “User
Maintenance”.
x Be sure to keep all user documentation handy for future
reference.
E-1
x Note that the product illustrations in this manual are intended for reference only,
and so the actual product may appear somewhat different than depicted by an
illustration.
E-2
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the time and date .........................................................................................E-9
To toggle the Timekeeping Mode time between DST and Standard Time .......E-11
To toggle between 12-hour and 24-hour timekeeping .......................................E-12
To measure times with the stopwatch
(Stopwatch Mode (ST1) and Stopwatch Mode (ST2)) ..................................... E-14
To use Auto-Start (ST1) ........................................................................................E-16
To configure the countdown timer ...................................................................... E-20
To use the countdown timer ................................................................................. E-22
To set an alarm time .............................................................................................. E-25
To test the alarm .................................................................................................... E-27
To turn an alarm on and off .................................................................................. E-28
E-4
General Guide
x Press C to change from mode to mode.
x In any mode (except when a setting screen is on the display), press L to illuminate
the display.
Timekeeping Mode Stopwatch Mode (ST1) Stopwatch Mode (ST2)
Contents
General Guide .......................................................................................................... E-6
Timekeeping ............................................................................................................. E-8
Stopwatches .......................................................................................................... E-13
Countdown Timer .................................................................................................. E-17
Alarms .................................................................................................................... E-23
World Time ............................................................................................................. E-30
Illumination ............................................................................................................ E-32
Reference ............................................................................................................... E-36
Specifications ........................................................................................................ E-44
Operating Precautions .......................................................................................... E-46
User Maintenance .................................................................................................. E-56
To turn the Hourly Time Signal on and off .......................................................... E-29
To view the time for another city code ................................................................ E-30
To toggle a city code time
between Standard Time and Daylight Saving Time ........................................ E-31
To illuminate the display manually ...................................................................... E-32
To specify the illumination duration .................................................................... E-33
To enable or disable auto light ............................................................................. E-35
To turn Flash Alert on and off ..............................................................................E-38
To turn the button operation tone on and off .....................................................E-39
Countdown Timer Mode Alarm Mode World Time Mode
E-3
E-5
E-6
Timekeeping
Day of week
Month – Day
Hour : Minutes
PM indicator
E-8
CCC
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 Time zone before you set the time and
date.
Seconds
CC
C
To set the time and date
Home Time zone
Seconds
C
Day Month Minutes
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
C C
DST Hour
CC
Home Time zone
Year
C
C
E-7
C
E-9
Operation Guide 3450
3. When the setting you want to change is flashing, use D and B to change it as
described below.
Screen To do this: Do this:
Reset the seconds to
Toggle between Daylight Saving Time ( ) and
Standard Time (
Specify your Home Time zone
Change the hour or minutes
Change the year
Change the month or day
x For details about time zones, see the “City Code Table” at the back of this
manual.
x See “Daylight Saving Time (DST)” on page E-11 for details about DST setting.
E-10
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.
x With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for
times in the range of noon to 11:59 p.m. and no indicator appears to the left of the
hour digits for times in the range of midnight to 11:59 a.m.
x With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
x The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
x The P indicator is not displayed when the current time is displayed in other modes.
E-12
x All of the operations in this section are performed in the Stopwatch Mode (ST1) or
Stopwatch Mode (ST2), which you enter by pressing C (page E-6).
To measure times with the stopwatch
(Stopwatch Mode (ST1) and Stopwatch Mode (ST2))
)
Press D.
Press D.
Use D (eastward) and B
(westward).
Use D (+) and B (–).
Elapsed Time
D
Start Stop Resume Stop Clear
D D D B
Split Time
D
Start Split
B B D B
( displayed)
Split release Stop Clear
4. Press A to exit the setting screen.
x The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
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
DST indicator
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to display the DST setting screen.
3. Press D to toggle between Daylight Saving Time (
displayed) and Standard Time (
4. Press A to exit the setting screen.
x The DST indicator appears on the display to indicate that
Daylight Saving Time is turned on.
displayed).
E-11
Stopwatches
Timekeeping Mode time
* During stopwatch elapsed
time measurement, shows the
number of hours elapsed.
Minutes
Seconds
1/100 second
Two Finishes
D
Start Split
About Auto-Start (Stopwatch Mode (ST1))
With Auto-Start, the watch performs a 5-second countdown, and stopwatch operation
starts automatically when the countdown reaches zero.
During the final three seconds of the countdown, a beeper sounds with each second.
Your watch has two stopwatch modes:Stopwatch
Mode (ST1) and Stopwatch Mode (ST2). Both
stopwatch modes let you measure elapsed time, split
times, and two finishes. The Stopwatch Mode (ST1)
includes Auto-Start.
x A display range of the stopwatch is 999 hours,
59 minutes, 59.99 seconds.
x A stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
x An ongoing elapsed time measurement operation
will continue internally even if you change to another
mode. However, if you exit the Stopwatch Mode
while a split time is displayed, the split time will not
be displayed when you return to the Stopwatch
Mode.
B D B B
First runner
finishes.
Display time of first
runner.
Stop
Second runner
finishes.
Split release
Display time of
second runner.
E-13B
Clear
E-14
To use Auto-Start (ST1)
E-16
Auto-repeat
When auto-repeat is turned on, the countdown restarts automatically from the
countdown start time when it reaches zero.
When auto-repeat is turned off, the countdown stops when it reaches zero and the
display shows the original countdown start time.
x Pressing D while an auto-repeat countdown is in progress pauses the current
countdown. You can resume the auto-repeat countdown by pressing D, or you can
press B to reset to the countdown time starting value.
Countdown Timer Beeper Operations
The watch beeps at various times during a countdown so you can keep informed
about the countdown status without looking at the display. The following describes the
types of beeper operations the watch performs during a countdown.
E-18
1. While the stopwatch screen is showing all zeros in the
Stopwatch Mode, press B.
x This displays a 5-second countdown screen.
x To return to the all zeros screen, press B again.
2. Press D to start the countdown.
x When the countdown reaches zero, a tone sounds and a
stopwatch timing operation starts automatically.
x Pressing D while the Auto-Start countdown is in
progress starts the stopwatch immediately.
Countdown Timer
The countdown timer can be set within a range of one
minute to 24 hours. An alarm sounds when the countdown
reaches zero. The countdown timer also has an autorepeat feature and a progress beeper that signals the
progress of the countdown.
x All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C (page E-7).
Hours
Minutes
Countdown End Beeper
The countdown end beeper lets you know when the countdown reaches zero.
x When the progress beeper is turned off, the countdown end beeper sounds for
about 10 seconds, or until you press any button to stop it.
x When the progress beeper is turned on, the countdown end beeper sounds for
about one second.
Progress Beeper
When the progress beeper is turned on, the watch uses beeps to signal countdown
progress as described below.
x Starting from five minutes before the end of the countdown, the watch emits four
short beeps at the top of each countdown minute.
x 30 seconds before the end of the countdown, the watch emits four short beeps.
x The watch emits a short beep for each of the last 10 seconds of the countdown.
x If the countdown start time is six minutes or greater, the watch emits a short beep
for each second of the final 10 seconds before the five-minute point is reached. Four
short beeps are emitted to signal when the five-minute point is reached.
Configuring the Countdown Timer
The following are the settings you should configure before
Seconds
actually using the countdown timer.
Countdown start time; Auto-repeat on/off; Progress beeper
on/off
x See “To configure the countdown timer” (page E-20) for
information about setting up the timer.
E-15
E-17
E-19
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