Casio 3423 User manual

Operation Guide 3423
MA1402-EA © 2014 CASIO COMPUTER CO., LTD.
Basic Operations
Operations common to each
mode are shown below. Check
content when using the watch.
Mode Switching
This watch has eight modes
(functions), including the
Timekeeping Mode that displays
the current time.
(Timekeeping Mode)
Timekeeping Mode
Stopwatch Mode
Recall Mode
World Time Mode
Alarm Mode
Countdown Timer Mode
Setup Mode
Control Mode
Press Bto switch modes. The
flowchart below shows how the
mode switches when you press
B.
* To toggle between the Control
Mode and other modes, hold
down Bfor approximately three
minutes. Perform this operation
while the Control indicator is on
the display.
a. Control indicator
The Control Mode can be
switched only when connected to
a mobile phone. For details, refer
to the CASIO WATCH+ App
Setup Guide.
Important!
The Control Mode cannot be
switched to while the app
setting is one that does not
use the Control Mode.
Tap Operations
When an alarm or timer beep or
vibration alert operation is being
performed, the tap operation can
be used to stop the beep or
vibration.
The tap indicator flashes on the
display while the tap operation is
enabled.
a.Tap indicator
At this time, tapping the center of
the watch's display twice
(double-tapping) stops the beep
or vibration.
Important!
Tapping the display with your
fingernail or some other hard
object can scratch the watch's
display panel. Be sure to tap
with the ball of the finger.

Operation Guide 3423
Watch Settings
When communicating with a
mobile phone, the time and date
of the mobile phone is
automatically adjusted to. When
there is no communication with a
mobile phone, the time and date
can be adjusted with the
procedure below.
【Preparation】
The procedure here is performed
in the Timekeeping Mode. Press
Bto switch to the Timekeeping
Mode.
See: Mode Switching.
(Timekeeping Mode)
Setting the City
Sets the time offset of the city
where the watch is used. When
summer time is implemented in
the city where the watch is used,
summer time can also be set.
Important!
Incorrectly setting the time
offset will cause incorrect
times to be displayed in the
World Time Mode.
Time Offset Setting
Hold down Cfor about two
seconds.
[SET Hold] will appear and
the time offset will flash.
a. Time differential
Use Dand Ato change the
flashing time offset setting.
For the time offset,
specify a time zone listed
in the City Name List.
Example:
If you plan to use the watch
in Tokyo, set a time offset of
[+ 09:00].
Press Cto end setting.
1.
2.
3.
Summer Time Setting
Hold down Cfor about two
seconds.
[SET Hold] will appear and
the time offset value will
1.
Press Dto specify ON
(summer time) or OFF
(standard time).
a.DST indicator
Press Cto end setting.
Note
The DST indicator is
displayed while summer time
is set.
3.
4.
flash.
Press Bto display the
summer time setting screen.
2.
Setting the Time and Date
Hold down Cfor about two
seconds.
[SET Hold] will appear and
the time offset value will
flash.
a. Time differential
Press Bthree times to
display the seconds reset
screen.
Press Dto reset the
seconds to 00.
1.
2.

Operation Guide 3423
Supplement:
Pressing Dbetween 30
seconds and 59 seconds will
advances the "minutes" by
one minute and reset the
seconds.
Press Bto display the date
and time setting screen.
a. Hour
Date and time setting:
Each press of Bmoves
the flashing in the
following sequence:
"hour", "minute", "year",
"month", "day".
Press Dor Ato change
the setting of the flashing
item.
3.
Press Cto end setting.4.
Press Btwice to display the
screen for selecting 12-hour
or 24-hour timekeeping.
Press Dto select [12H]
(12-hour timekeeping) or
[24H] (24-hour
timekeeping).
a. PM indicator
Note:
The PM indicator appears
between noon and 11:59
p.m. while 12-hour
timekeeping is being used. It
is not displayed if 24-hour
timekeeping is being used.
After all the settings are the
way you want, press Cto exit
the setting screen.
2.
3.
Summer Time
Summer time is also called DST
(Daylight Saving Time) and it is a
summer time system that
advances one hour ahead of
standard time (STD: standard
time). The summer time
implementation period and
implementation regions differ by
country. Also, there are countries
and/or regions that do not use
the summer time system.
Setting Supplement
On the Timekeeping Mode
setting screen, each press of B
switches items in the sequence
below.
Time offset
Ļ
Summer time
Ļ
12/24-hour timekeeping display
Ļ
Second
Ļ
Hour
Ļ
Minute
Ļ
Year
Ļ
Month
Ļ
Day
Ļ
Operation tone ON/OFF
Ļ
Illumination duration
Ļ
Alarmtimer alert method
Ļ
Power saving
Ļ
Return to time offset
Switching between 12-hour
and 24-hour Timekeeping
Hold down Cfor about two
seconds.
[SET Hold] will appear and
the time offset value will flash
on the display.
a. Time differential
1.

Operation Guide 3423
Stopwatch
A maximum of 99 hours, 59
minutes, 59.99 seconds can be
measured.
In addition to normal
measurement, you can also
measure lap times and split
times.
Measured results are recorded to
up to 120 memories, so records
can be checked later.
Reference:
Recalling Records - Recall -
【Preparation】
The procedure here is performed
in the Stopwatch Mode. Press B
to switch to the Stopwatch Mode.
See: Mode Switching.
(Stopwatch Mode)
a. Current time
DStart
Ļ
AStop
Ļ
DResume
Ļ
AStop
Use the button operations below to
measure elapsed time.
Press Ato reset the display.
Press Bsix times to return to the
Timekeeping Mode.
Note
When the number of remaining
memories becomes 0, the oldest record
is deleted and new measurement results
are recorded.
1.
2.
3.
DStart
Measurement starts.
Ļ
DSplit 1
The first split time remains on the
display for eight seconds, and then
measurement returns.
Ļ
DSplit 2
The second split time remains on the
display for eight seconds, and then
measurement returns.
Ļ
AGoal
Cumulative time is displayed and
measurement stops.
Use the button operations below to
measure elapsed time.
Press Ato reset the display.
Press Bsix times to return to the
Timekeeping Mode.
Note
When the number of remaining
memories becomes 0, the oldest record
is deleted and new measurement results
are recorded.
2.
3.
4.
Measuring Elapsed Time
a. Hours
b. Minutes
c. Seconds
d. 1/100 seconds
*1 Number of remaining memories
Shows the current number of memories that
can record.
Measuring Splits
a. Hours
b. Minutes
c. Seconds
d. 1/100 seconds
*1 Number of remaining memories
Shows the current number of memories that
can record.
Make sure [SP 0H] (split) is displayed.
If [LP 0H] (lap) is displayed, press D
to switch to [SP 0H] (split)
1.
Measuring Laps
a. Hours
b. Minutes
c. Seconds
d. 1/100 seconds
*1 Number of remaining memories
Shows the current number of memories that
can record.

Operation Guide 3423
Recalling
Records
ņ Recall
You can check recorded
measurement times.
Use Bto switch to the Recall
Mode.
See: Mode Switching
(Recall Mode)
a. Measurement time
b. Measurement date (month,
day)
c. Measurement number
Supplement:
The last recorded date, time,
measurement number
appears (a measurement
number is a number for
managing recorded data).
Press Cto select a
measurement number.
If you do not know the
measurement number,
select according to
measurement date and/or
measurement time.
1.
2.
ņ
DStart
Measurement starts.
Ļ
DLap 1
After the Lap 1 time is displayed for
eight seconds, returns to next lap
measurement.
Ļ
DLap 2
After the Lap 2 time is displayed for
eight seconds, returns to next lap
measurement.
Ļ
AGoal
Last lap time is displayed and
measurement stops.
Make sure [LP 0H] (lap) is displayed.
If [SP 0H] (split) is displayed, press
Dto switch to [LP 0H] (lap)
Use the button operations below to
measure elapsed time.
Press Ato reset the display.
Press Bsix times to return to the
Timekeeping Mode.
Note
When the number of remaining
memories becomes 0, the oldest record
is deleted and new measurement results
are recorded.
1.
2.
3.
4.
Each press of D displays
recorded measurement time
in the sequence it was saved.
3.
The [BEST] is displayed
for the fastest lap time.
Press Bfive times to return
to the Timekeeping Mode.
4.
Deleting Memory Data
Deleting a Specific Record
Use Bto switch to the Recall
Mode.
See: Mode Switching
(Recall Mode)
a. Measurement time
b. Measurement date (month,
day)
c. Measurement number
Press C to select the
measurement number you
want to delete.
1.
2.

Operation Guide 3423
Hold down A for about two
seconds.
Displays [Hold CLEAR],
deletes the specified record.
Press B five times to return
to the Timekeeping Mode.
3.
4.
Deleting All Records
Press B to enter the Recall
Mode.
See: Mode Switching
(Recall Mode)
1.
a. Measurement time
b. Measurement date (month,
day)
c. Measurement number
Hold down Afor about five
seconds.
[Hold A-CLR] appears,
indicating that all records are
deleted.
Press B five times to return
to the Timekeeping Mode.
2.
3.
Laps and Splits
The time required to cover a
fixed section, as in a race around
a track is called a "lap".
a. Start
①Lap 1
②Lap 2
③Lap 3
The elapsed time from the start
of a race to any point along the
way, such as the times at 10 km,
20 km, and 30 km point of a
marathon, is called "split".
a. Start
b. Stop
①Split 1
②Split 2
③Split 3
Laps
Splits
World Time
You can know the time in 100
world cities.
【Preparation】
The procedure here is performed
in the World Time Mode. Press B
to switch to the World Time
Mode.
See: Mode Switching
(World Time Mode)
Looking Up Times in Other
Countries
Press Dor Ato select a city.
The time of that city is
displayed.
Holding down Dor Afast
forwards city names.
a. City name
b. Time of selected city
Press B four times to return
to the Timekeeping Mode.
1.
2.

Operation Guide 3423
Setting Summer Time
When summer time is used in
another city, summer time can be
set for that city.
Hold down Cfor about two
seconds.
After [DST Hold] is displayed,
switch summer time ON or
OFF.
The DST indicator is lit
while summer time is set.
a. City name
b. DST indicator
Press Bfour times to return
to the Timekeeping Mode.
1.
2.
(Alarm Mode)
a. Current time
Setting an Alarm Time
Press Dto select the alarm
screen you want to set.
a. Alarm number
Six alarms can be selected,
including the hourly time
signal.
Check the alarm you want to
set by the alarm number on
the screen.
to
Normal alarms.
Snooze alarm.
Alerts at the specified
time. Alert repeats
every five minutes,
seven times.
1.
Alarm
At the specified time, alerted by
beep or vibration.
【Preparation】
The procedure here is performed
in the Alarm Mode. Press Bto
switch to the Alarm Mode.
See: Mode Switching
Hourly time signal.
Alerts at 00 minutes
every hour.
Displaying an alarm
screen:
Press D to cycle between
alarm screens in the
following sequence:
normal alarms
（
through ),
snooze alarm, hourly time
signal.
Press A to specify the alarm
or hourly time signal
operation.
The operations below can be
specified for each alarm
number.
2.
to and
: Alarm does
not sound.
: Alarm sounds
only once at
the preset
time.
: Alarm sounds
at the preset
time each day.
: Hourly time
signal does not
sound.
: Hourly time
signal sounds at
00 minutes every
hour.

Operation Guide 3423
When ON is set for the snooze
alarm
a. Alarm indicator
b. Snooze indicator
When ON is set for the hourly
time signal
a. Hourly time signal
indicator
Hold down Cfor about two
seconds.
[SET Hold] will appear,
"hour" will flash.
a. Hour
Alarm time setting:
Each press of B moves
the flashing between the
"hour" and the "minute"
settings.
Use D and A to change
the setting of the flashing
item.
Press C to end setting.
Press B three times to return
to the Timekeeping Mode.
Alarm indicators:
Appropriate indicators light when
the alarm
and/or hourly time
signal is set to ON.
Alarm set to ON
3.
4.
5.
a. Alarm indicator
Turning OFF an Alarm
Press Dto select the alarm
screen whose settings you
want to change.
Press A to set OFF for alarm
and/or hourly time signal
operation.
1.
2.
Stopping the Alarm
When an alarm tone is sounding
or when vibrating, it can be
stopped by pressing any button
or by double-tapping the center
of the watch display.
Important!
With the snooze alarm, even
if the beep or vibration is
stopped by pressing any
button or by double tapping, it
will repeat at five-minute
intervals seven times. To stop
part way through, set snooze
alarm operation to OFF.
Timer
Performs a countdown of the set
time. When the remaining time
becomes zero, alert by beep or
vibration.
【Preparation】
The procedure here is performed
in the Timer Mode. Press Bto
switch to the Timer Mode.
See: Mode Switching
(Timer Mode)
Press Bthree times to return
to the Timekeepin
g
Mode.
3.

Operation Guide 3423
Setting the Time
Hold down Cfor about two
seconds.
[Set Hold] will appear and
"hours" will flash.
a. Hours
b. Minutes
c. Seconds
Time Setting:
Each press of B moves
the flashing in the
following sequence:
"hour", "minute", "second".
Use D and A to change
the setting of the flashing
item.
Press C to end setting.
Press B twice to return to the
Timekeeping Mode.
Note
Setting "0H00’00”" can set a
100-hour countdown timer.
1.
2.
3.
Using the Timer
a. Hours
b. Minutes
c. Seconds
d. 1/10 seconds
DStart
Timer starts.
Ļ
DStop
Timer stops.
Ļ
DResume
Timer resumes.
Ļ
Time up (00:00)
Alert by beep or vibration.
Use the button operations below to
perform a countdown.
To discontinue a timer operation part
way through,press D to stop it and then
press A to reset to the timer start time.
To stop a beep or vibration alert
operation, press any button or double-
tap the
center of the watch's display.
Press B twice to return to the
Timekeeping Mode.
1.
2.
Display Illunmiation
A simple operation illuminates
the display of the watch for easy
reading in the dark. You can also
enable an Auto Light feature that
illuminates the display whenever
you angle the watch towards
your face for viewing.
Illuminating the Display
Press L in any mode to
illumninate the display.
Supplement
The display illumination will
turn off automatically if an
alarm alert, incoming call
alert, or any alert operation
starts while it is on.
The illumination duration can be
set to two types: 1.5 seconds
and three seconds.
Changing the Illumination
Duration
Press Bto switch to the
Timekeeping Mode.
See: Mode Switching
1.

Operation Guide 3423
Press Cto end setting.
5.
Hold down Cfor about two
seconds.
[SET Hold] will appear and
the time offset value will
flash.
a. Time differential
Press B 10 times to display
the illumination duration
setting screen.
Press D to select [LT1] (1.5
2.
3.
4.
seconds) or [LT3] (3
seconds).
Hold down Lfor about three
seconds.
This cause the Auto Light ON
indicator to appear on the
display.
a. Auto Light ON
indicator
2.
Important!
While Auto Light is enabled,
display illumination will turn
on whenever you wrist is in
certain positions, even if you
are not looking at the watch.
This can shorten battery life.
Enabling Auto Light
Use the procedure below to
enable Auto Light, which will
automatically turn on display
illumination whenever you tilt the
watch towards for face to read it.
Enabling Auto Light
Press Bto switch to the
Timekeeping Mode.
See: Mode Switching
1.
Other Settings
Button Operation Tone
Setting
Tone sounds or no sound when
a button is pressed can be set.
Press Bto switch to the
Timekeeping Mode.
See: Mode Switching
1.
Hold down Bfor about two
seconds.
[SET Hold] will appear and
the time offset value will
flash.
a. Time offset
Press B nine times to display
the button operation tone
setting screen.
Press D to select [KEYƈ] or
[MUTE].
Selecting [MUTE] causes
a mute indicator to light
and the button operation
tone will not sound.
a. Mute indicator
Press Cto end setting.
2.
3.
4.
5.