
MO1407-EA
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© 2014 CASIO COMPUTER CO., LTD.
Operation Guide 5146 5425
About This Manual
• Depending on the model of your watch, display text appears either as dark fi gures
on a light background or light fi gures on a dark background. All sample displays in
this manual are shown using dark fi gures on a light background.
• Button operations are indicated using the letters shown in the illustration.
• 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.
Graphic (moves with seconds count)
Module 5146 only
• 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.
E-2
Countdown Timer………………………………………………………………………E-25
To use the countdown timer ……………………………………………………E-26
To confi gure countdown start time and auto-repeat settings ………………E-27
World Time ………………………………………………………………………………E-29
To view the current time in another time zone ……………………………… E-30
To toggle a city code time between Standard Time and Daylight
Saving Time …………………………………………………………………E-31
To swap your Home City and World Time City ………………………………E-32
Alarms ……………………………………………………………………………………E-33
To set an alarm time ……………………………………………………………E-34
To turn an alarm on and off ……………………………………………………E-36
To turn the Hourly Time Signal on and off ……………………………………E-37
E-4
Module 5425Module 5146
Contents
General Guide ………………………………………………………………………… E-6
Timekeeping …………………………………………………………………………… E-8
To set the digital time and date ……………………………………………… E-9
To change the Daylight Saving Time (summer time) setting ………………E-12
Stopwatch ………………………………………………………………………………E-14
To specify a distance value ……………………………………………………E-16
To specify lap time or split time readings ……………………………………E-18
To perform elapsed time measurement ………………………………………E-19
To set up the stopwatch to take lap time readings …………………………E-20
To perform a lap time measurement …………………………………………E-21
To set up the stopwatch to take split time readings …………………………E-22
To perform a split time measurement …………………………………………E-23
To measure times with the stopwatch ………………………………………E-24
Illumination ……………………………………………………………………………E-38
To illuminate the display manually …………………………………………… E-38
To specify the illumination duration……………………………………………E-39
To turn the auto light switch on and off ………………………………………E-41
Hand Home Position Correction …………………………………………………… E-42
To adjust home positions ………………………………………………………E-42
Reference ………………………………………………………………………………E-44
Specifi cations …………………………………………………………………………E-48
E-1
E-3
E-5
General Guide
• Press & to change from mode to mode.
• In any mode (except a setting mode), press % to illuminate the display.
Timekeeping Mode
Press &.
E-6
Timekeeping
You can adjust the Home Time city date and time in the Timekeeping Mode.
• The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
• If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust home positions” (page E-42) to match the analog
setting to the digital setting.
• Pressing ' in the Timekeeping Mode toggles digital display between the Home
City Date and Home City Time.
Home City Date Home City Time
Month Day
E-8
Seconds
Day of week
'
PM indicator
Hour : Minutes
Day of wee
Seconds
Stopwatch Mode (page E-14)
Alarm Mode (page E-33)
To set the digital time and date
City code
PM indicator
Second
Hour : Minutes
Countdown Timer Mode (page E-25)
World Time Mode (page E-29)
E-7
1. In the Timekeeping Mode, hold down $ for about three
seconds until the currently selected city code fl ashes in
the upper digital display. This is the setting mode.
2. Use ' (east) and % (west) to select the city code you
want.
• Make sure you se lect your Ho me City co de before
changing any o ther setti ng.
• For full infor mation on ci ty codes, s ee the “Cit y
Code Table” at the back of this manual.
E-9

Operation Guide 5146 5425
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3. Press & to change the fl ashing screen content in the sequence shown below to
select the other settings.
City Code
Illumination
Duration
4. When the setting you want to change is fl ashing, use ' or % to change it as
described below.
Screen: To do this: Do this:
E-10
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 change the Daylight Saving Time (summer time) setting
DST indicator
E-12
DST
Change the city code Use ' (east) and % (west).
Toggle the DST setting between
Daylight Saving Time (on) and
Standard Time (
Toggle between 12-hour (
24H
24-hour (
12/24-Hour
Format
Day
) timekeeping
1. In the Timekeeping Mode, hold down $ for about three
2. Press &. This will display the DST setting screen.
3. Use ' to toggle the DST setting on (on) and off (
4. When the setting you want is selected, press $ to exit
• The DST indicator appears to indicate that Daylight
Month
OFF
).
12H
) and
seconds until the currently selected city code fl ashes in
the upper digital display. This is the setting mode.
• The default D ST setting i s off (OFF).
the setting mode.
Saving Time is turned on.
Seconds
Yea r
Press'.
Press'.
Hour
Minutes
OFF
Stopwatch
Upper display
segments
Speed hand
E-14
You can use the stopwatch to measure elapsed time, lap
times and split times. If you specify a distance value, the
stopwatch also will calculate and display speeds.
• The digital display range of the stopwatch is 99 hours,
59 minutes, 59.999 seconds. The stopwatch continues
to run until you stop it. If it reaches the above limit, it will
restart the time measurement from zero.
• The stopwatch operation continues even if you exit the
Stopwatch Mode. If you exit the Stopwatch Mode while
a stopwatch operation is in progress, the segments
along the top of the upper digital display (upper display
segments) will indicate the seconds of the current time.
Each segment represents one second. This is to let you
know that a stopwatch operation is in progress.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing & (page
E-7).
Screen: To do this: Do this:
LT3
00
)
LT1
Press'.
Use
)
Press'.
(+) and % (–).
'
E-11
E-13
E-15
Reset the seconds to
Change the hour and minutes
Change the year, month, or day
Toggle the display illumination
duration between 1.5 seconds (
5. Press $ to exit the setting mode.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
12-hour and 24-hour timekeeping
• With the 12-hour format, the PM indicator (P) appears for times in the range of noon
to 11:59 p.m. and no 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
the PM indicator (P).
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
).
Important!
• Check to make sure that the speed hand is not moving before you perform any
Stopwatch Mode button operation.
Specifying a Distance Value
You can use the procedure below to specify a distance value, if you want. If you
specify a distance value, the watch will calculate and indicate speed for certain
stopwatch operations.
• The distance value represents kilometers, miles, or any other distance unit you
want. Specifying a distance value of 10.0, for example, can mean 10.0 kilometers
or 10.0 miles.
• No speed calculation is performed when 0.0 is specifi ed as the current distance
value.
• For lap time readings, you can specify either the lap distance (when all the laps are
the same distance) or the total race distance.
• For split time readings, you can specify the total race distance only. Though the
watch will indicate a speed each time you take a split reading, they will be based
on the total race distance, and so they will not indicate actual intermediate split
speeds.
and three seconds (
To specify a distance value
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E-16
Time Measurement
You need to specify either lap time (page E-20) or split time (page E-22) measurement
before you start a stopwatch operation.
•If you want to measure total elapsed time, select split time measurement.
To specify lap time or split time readings
1. In the Stopwatch Mode, make sure the stopwatch is stopped and reset to all zeros.
• Make sure that LAP (lap time s) or SPL (split times) is shown in th e lower digital
display.
• If you need to rese t the stopwatch to all ze ros, press $.
2. You can toggle between LAP (lap times) and SPL (split times) by pressing $.
E-18
1. In the Stopwatch Mode, make sure the stopwatch is
stopped and reset to all zeros.
• If you need to reset the stopwatch to all zeros, press $.
2.
Hold down $ for about three seconds until the current
distance value setting fl ashes in the lower digital display.
• This is the distance value setting mode.
3. Press & to move the fl ashing between the values on
the left side and right side of the distance value decimal
point.
4. While a distance value is fl ashing, use ' (+) and % (–)
to change it.
• You can specify a d istance value i n the range of 0.1
to 99.9.
5. After specifying the distance value you want, press
to exit the setting mode.
$
$
How speed is indicated
Segments
OVER
(100 unit)
Speed hand
(Up to 100)
1000 indicator
Elapsed Time Measurement
Use the following procedure to measure elapsed time, without taking lap time or split
time readings.
To perform elapsed time measurement
Select split time (SPL) measurement and then perform the following button operations.
Start
➝ '
Stop
'
•If you have a distance value (page E-15) specifi ed for the current elapsed time
measurement, the upper display segments and speed hand will indicate the speed
when you press ' to stop the elapsed time operation.
•After pressing ' to stop an elapsed time operation, you could press ' again to
restart from the point where you left off.
• While an elapsed time measurement operation is being
performed in the Stopwatch Mode, the watch will
indicate a speed value, which is calculated based on
the distance you specifi ed and the elapsed time.
The speed value is indicated as described below.
Speed hand: Up to 100
Upper display segments: 100 unit
1000
A
indicator points to 1000 (located to the right of
the upper display segments) when the speed value
exceeds 1000.
• The speed hand indicates speed values less than 100.
Only even-numbered values are indicated.
•
Speed can be indicated from 0 to 1998.
by the speed hand when the speed exceeds 1998.
Example:
When the speed value is 1,740.
Speed hand: Indicates 40.
Upper display segments: Indicate
1000
indicator: Displayed
Reset
➝ $
700
.
OVER
is indicated
E-17
E-19