Casio 3423 User manual

Operation Guide 3423

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

* 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.

Summer Time Setting

Hold down Cfor about two

seconds.

[SET Hold] will appear and

the time offset value will

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.

flash.

Press Bto display the

summer time setting screen.

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.

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.

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.

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

Summer time

12/24-hour timekeeping display

Second

Hour

Minute

Year

Month

Day

Operation tone ON/OFF

Illumination duration

Alarmtimer alert method

Power saving

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

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

AStop

DResume

AStop

Use

the

button

operations

below

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.

DStart

Measurement starts.

DSplit 1

The first split time remains on the

display for eight seconds, and then

measurement returns.

DSplit 2

The second split time remains on the

display for eight seconds, and then

measurement returns.

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.

Measuring Elapsed Time

Hours

Minutes

Seconds

1/100

seconds

Number

remaining

memories

Shows the current number of memories that

can record.

Measuring Splits

Hours

Minutes

Seconds

1/100

seconds

Number

remaining

memories

Shows

the

current

number

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)

Measuring Laps

Hours

Minutes

Seconds

1/100

seconds

*1 Number of remaining memories

Shows the current number of memories that

can record.

Operation Guide 3423

Recalling

Records

Recall

You can check recorded

measurement times.

Use Bto switch to the Recall

Mode.

See: Mode Switching

(Recall

Mode)

Measurement

time

Measurement

date

(month,

day)

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.

DStart

Measurement starts.

DLap 1

After the Lap 1 time is displayed for

eight seconds, returns to next lap

measurement.

DLap 2

After the Lap 2 time is displayed for

eight seconds, returns to next lap

measurement.

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.

Each

press

displays

recorded measurement time

in the sequence it was saved.

The [BEST] is displayed

for the fastest lap time.

Press Bfive times to return

to the Timekeeping Mode.

Deleting Memory Data

Deleting a Specific Record

Use Bto switch to the Recall

Mode.

See: Mode Switching

(Recall Mode)

Measurement

time

Measurement

date

(month,

day)

Measurement

number

Press

select

the

measurement

number

you

want to delete.

Operation Guide 3423

Hold

down

for

about

two

seconds.

Displays

[Hold

CLEAR],

deletes

the

specified

record.

Press

five

times

return

the

Timekeeping

Mode.

Deleting

All

Records

Press

enter

the

Recall

Mode.

See:

Mode

Switching

(Recall

Mode)

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

five

times

return

to the Timekeeping Mode.

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.

City

name

Time

selected

city

Press

four

times

return

to the Timekeeping Mode.

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.

City

name

DST

indicator

Press Bfour times to return

to the Timekeeping Mode.

(Alarm Mode)

a. Current time

Setting an Alarm Time

Press Dto select the alarm

screen you want to set.

Alarm

number

Six

alarms

can

selected,

including

the

hourly

time

signal.

Check

the

alarm

you

want

set

the

alarm

number

the

screen.

Normal

alarms.

Snooze

alarm.

Alerts

the

specified

time.

Alert

repeats

every five minutes,

seven times.

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

minutes

every

hour.

Displaying

alarm

screen:

Press

cycle

between

alarm

screens

the

following

sequence:

normal

alarms

（

through

snooze

alarm,

hourly

time

signal.

Press

specify

the

alarm

hourly

time

signal

operation.

The

operations

below

can

specified for each alarm

number.

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

Alarm

indicator

Snooze

indicator

When ON is set for the hourly

time signal

Hourly

time

signal

indicator

Hold down Cfor about two

seconds.

[SET Hold] will appear,

"hour" will flash.

Hour

Alarm

time

setting:

Each

press

moves

the

flashing

between

the

"hour"

and

the

"minute"

settings.

Use

and

change

the

setting

the

flashing

item.

Press

end

setting.

Press

three

times

return

the

Timekeeping

Mode.

Alarm

indicators:

Appropriate

indicators

light

when

the

alarm

and/or

hourly

time

signal

set

ON.

Alarm

set

a. Alarm indicator

Turning OFF an Alarm

Press Dto select the alarm

screen whose settings you

want to change.

Press

set

OFF

for

alarm

and/or hourly time signal

operation.

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

Mode.

Operation Guide 3423

Setting the Time

Hold down Cfor about two

seconds.

[Set Hold] will appear and

"hours" will flash.

Hours

Minutes

Seconds

Time

Setting:

Each

press

moves

the

flashing

the

following

sequence:

"hour",

"minute",

"second".

Use

and

change

the

setting

the

flashing

item.

Press

end

setting.

Press

twice

return

the

Timekeeping

Mode.

Note

Setting

"0H00’00”"

can

set

100-hour countdown timer.

Using the Timer

Hours

Minutes

Seconds

1/10

seconds

DStart

Timer

starts.

DStop

Timer

stops.

DResume

Timer

resumes.

Time

(00:00)

Alert

beep

vibration.

Use

the

button

operations

below

perform

countdown.

discontinue

timer

operation

part

way

through,press

stop

and

then

press

reset

the

timer

start

time.

stop

beep

vibration

alert

operation,

press

any

button

double-

tap

the

center

the

watch's

display.

Press

twice

return

the

Timekeeping Mode.

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

any

mode

illumninate

the

display.

Supplement

The

display

illumination

will

turn

off

automatically

alarm

alert,

incoming

call

alert,

any

alert

operation

starts

while

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

Operation Guide 3423

Press Cto end setting.

Hold down Cfor about two

seconds.

[SET Hold] will appear and

the time offset value will

flash.

Time

differential

Press

times

display

the

illumination

duration

setting

screen.

Press

select

[LT1]

(1.5

seconds) or [LT3] (3

seconds).

Hold down Lfor about three

seconds.

This cause the Auto Light ON

indicator to appear on the

display.

Auto

Light

indicator

Important!

While

Auto

Light

enabled,

display

illumination

will

turn

whenever

you

wrist

certain

positions,

even

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

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

Hold down Bfor about two

seconds.

[SET Hold] will appear and

the time offset value will

flash.

Time

offset

Press

nine

times

display

the

button

operation

tone

setting

screen.

Press

select

[KEYƈ]

[MUTE].

Selecting

[MUTE]

causes

mute

indicator

light

and

the

button

operation

tone

will

not

sound.

a. Mute indicator

Press Cto end setting.

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