Casio 3028 Operation Manual Download Page 1

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Operation Guide 3028

MA0607-EC

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.

Timekeeping Mode

Stopwatch Mode

Preset Timer Mode

Alarm Mode

World Time Mode

Countdown Timer Mode

Press     .

General Guide

Press 

C

 to change from mode to mode.

In any mode (except when a setting screen is on the display), press 

B

 to illuminate

the display.

Hour : Minutes  

Day of week  

PM indicator   

Seconds    

Month – Day 

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 city code for your Home City (the city where you
normally use the watch) before you set the time and date.

For full information on city codes, see the “City Code
Table”.

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 

C

 to move the flashing in the sequence shown

below to select other settings.

Seconds

City Code 

Hour

Year

Minutes

Day

DST

Month

3. When the setting you want to change is flashing, use 

D

 and 

B

 to change it as

described below.

See “Daylight Saving Time (DST)” for details about the 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 

C

 to display the DST setting screen.

3. Press 

D

 to toggle between Daylight Saving Time

(

 displayed) and Standard Time (

 displayed).

4. Press 

A

 to exit the setting screen.

The 

DST

 indicator is on the display while Daylight

Saving Time is turned on.

Screen

To do this:

Reset the seconds to 

Toggle between Daylight Saving Time (

)

and Standard Time (

)

Change the city code

Change the hour or minutes

Change the year

Change the month or day

Do this:

Press 

D

.

Use 

D

 (east) and 

B

 (west).

Use 

D

 (+) and 

B

 (–).

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 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.

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 

P

 indicator is not displayed with the Timekeeping Mode time on the Preset

Timer Mode, Countdown Timer Mode, World Time Mode, and Alarm Mode screens.

Stopwatch

The stopwatch lets you measure elapsed time. The upper
display and lower display can be used for official timing of
an event or game.

The measurement range of the upper display is
59 minutes 59 seconds.

The measurement range of the lower display is
99 minutes 59 seconds.

The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.

The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.

All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing 

C

.

Minutes Seconds

 Press 

D

 to pause and 

restart elapsed time 
measurement.   

Minutes Seconds

 This time measurement cannot be 

paused.  
It shows the total elapsed time 
since the timing operation started.

Elapsed Time Screen

 

This time measurement (1/100 

second) cannot be paused. 

To measure times with the stopwatch

Elapsed Time 

Start

Stop

*

1

Re-start

Hold down

Stop

*

1

Clear

*

1  Elapsed time measurement in the lower display continues. 

Using the Watch for Official Timing of a Sport Event

After you set a game or event time, the watch will sound an alarm when the time in
the lower display reaches that time.
If the event is interrupted for some reason, you can press 

D

 to pause and restart

timing in the upper display. The lower display shows the total elapsed time since the
start of the timing operation. You can calculate the total amount of time that play was
interrupted (lost time or injury time) by subtracting the upper display time from the
lower display time.

Timekeeping Mode time  

Initial Stopwatch Mode

Screen

Summary of Contents for 3028

Page 1: ...urned on Screen To do this Reset the seconds to Toggle between Daylight Saving Time and Standard Time Change the city code Change the hour or minutes Change the year Change the month or day Do this Press D Use D east and B west Use D and B 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 Wi...

Page 2: ...time Minutes Seconds Countdown timer number Timekeeping Mode time Countdown Timer With the countdown timer you can set up to nine start times which are counted down in sequence one after the other The countdown timer can be used for interval training for example three minutes running with 1 minute rest with five minutes running with or for timing an multi period event for example 45 minutes of pla...

Page 3: ...r engaged in any other activity that can result in accident or injury Also take care that sudden illumination by the auto light switch does not startle or distract others around you When you are wearing the watch make sure that its auto light switch is turned off before riding on a bicycle or operating a motorcycle or any other motor vehicle Sudden and unintended operation of the auto light switch...

Page 4: ...y moving the watch back to the starting position parallel with the ground and then tilt it back towards you again If this does not work drop your arm all the way down so it hangs at your side and then bring it back up again Under certain conditions illumination may not turn on until about one second after you turn the face of the watch towards you This does not necessarily indicate malfunction of ...

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