Casio 2839 Operation Manual Download Page 7

Operation Guide 2839

7

3.

Use the 

D

D

D

D

D

 (+) and 

B

B

B

B

B

 (–)

buttons to change the
hour setting.

Holding down either button
changes the setting at high
speed.

When setting the hour, make
sure you specify AM (A) or
PM (P) correctly when using
12-hour timekeeping, or that
you specify the correct
24-hour time.

The same 12-hour/24-hour
format you select for the
Timekeeping Mode time is
also applied in the Alarm
Mode.

4.

Press the 

C

C

C

C

C

 button to

select the minute setting.

To set an alarm time

Example: To set Alarm 2 for 3:30 p.m.

1.

In the Alarm Mode, use the

D

D

D

D

D

 button to scroll through

the alarm screens until the
one whose setting you want
to change is displayed.

The alarm number or snooze
alarm indicator (SNZ) appears
at the bottom of the display to
indicate the current screen.

2.

Hold down the 

A

A

A

A

A

 button

for about two seconds
until the hour digits start
to flash on the display.

This also causes the alarm on
indicator to appear and
automatically turns on the alarm.

A

A

A

A

A

 Button

Enters/exits the setting mode.

B

B

B

B

B

 Button

Scrolls back through the options at the flashing (selected)
setting.

C

C

C

C

C

 Button

Moves the flashing between settings.

D

D

D

D

D

 Button

Scrolls forward through the options at the flashing
(selected) setting.

Alarm Mode

Alarm Number

Alarm on indicator

Hour

 (Forward)

(Back)

Minute

You watch comes with five alarms and an hourly time signal.

Daily Alarms (AL 1 to AL 4)
The watch beeps for about 10 seconds when an alarm time is
reached.

Snooze Alarm (SNZ)
With the snooze alarm, the watch beeps for 10 seconds when the
alarm time is reached, and up to seven times at five-minute
intervals thereafter (approximately 30 minutes total). Pressing any
button stops the beeper, but the alarm will sound again after five
minutes.

Hourly Time Signal
The hourly time signal causes the watch to beep twice every hour
on the hour.

When you enter the Alarm Mode, the screen for the alarm that was
displayed when you last exited the mode appears first.

Alarm Time

Alarm Number

Current Time

(Three Times)

Timekeeping Mode

To select an alarm or the Hourly Time
Signal screen

Each press of the 

D

 button cycles through available screens in

the sequence shown below.

Alarm 1

Alarm 2

Alarm 3

Alarm 4

Hourly Time Signal

Snooze Alarm

5.

Use the 

D

D

D

D

D

 (+) and 

B

B

B

B

B

 (–)

buttons to change the
minute setting.

Each press of the 

B

 (+) and

D

 (–) button changes the

minute setting in 30-minute
increments.

Holding down either button
changes the setting at high
speed.

6.

When the setting is the
way you want, press the

A

A

A

A

A

 button.

This exits the setting screen.

The display also will exit the setting screen automatically if
you do not perform any operation for about two or three
minutes.

To turn an alarm or the hourly time
signal on and off

1.

In the Alarm Mode, use the

D

D

D

D

D

 button to display the

screen for the alarm you
want to turn on or off.

The alarm number or snooze
alarm indicator (SNZ) appears
at the bottom of the display to
indicate the current screen.

2.

Press the 

B

B

B

B

B

 button to toggle the displayed alarm on or off.

Alarm On indicator

Snooze On Indicator

Hourly Time Signal On Indicator

Alarm

Snooze Alarm

Hourly Time Signal

 (Forward)

(Back)

Alarm number

To stop the alarm beeper

Press any button.

In the case of the snooze alarm the alarm will sound again in
about five minutes. “SNZ” flashes while the snooze alarm is active
(indicating that the alarm will sound again).

The snooze alarm will be canceled automatically when any of the
following occurs while the Snooze alarm indicator (SNZ) is
flashing on the display.

If you turn off the snooze alarm in the Alarm Mode.

If you enter the Alarm Mode, display the snooze alarm screen,
and then display the setting screen.

If you enter the Timekeeping Mode and then display the setting
screen.

To test the alarm

In the Alarm Mode, hold down the 

B

 button to sound the alarm.

Summary of Contents for 2839

Page 1: ...ate the display It can take up to two seconds before display figures re appear after you place the watch in a well lit area To turn Power Saving on and off Use the procedure under Configuring Time and Date Settings Manually to turn Power Saving on or off The watch automatically enters the sleep state if left in a desk drawer or some other dark place for a long time while Power Saving is turned on ...

Page 2: ...ging times are for reference only Actual charging time depends on a variety of environmental factors Required Daily Charging Time The following is the daily amount of charging required each day to support the operations under Daily Use Exposure Level Brightness Outdoor Sunlight 50 000 lux 5 minutes 24 minutes 48 minutes 8 hours Approximate Exposure Time Sunlight Through a Window 10 000 lux Dayligh...

Page 3: ...ning etc Reception Range This watch is designed to receive the standard time calibration signal of Japan JJY or of the United States WWVB The signal that is received depends on the current Home City setting For information about city codes see the Selecting Your Home City Home City TYO LAX DEN CHI NYC Transmitter Either the Mt Otakadoya signal 40kHz or the Mt Hagane signal 60kHz Fort Collins Color...

Page 4: ...d setting C C C C C Button Moves the flashing between settings D D D D D Button Scrolls forward through the options at the flashing selected setting 2 Press the C C C C C button once to select the Home City setting The currently selected city code will be flashing on the screen 3 Use the D D D D D and B B B B B buttons to scroll through the city codes until the one you want to select is displayed ...

Page 5: ...in range of the transmitter Proper reception may be impossible if there is something blocking the signal If reception is unsuccessful try again This watch is designed to adjust its current time setting in accordance with the calibration signal transmitted in Japan and the United States only Note that you will need to make your own adjustments when using this watch outside of Japan or the United St...

Page 6: ...button This will display the date and time that the time calibration signal was last received successfully To return to the Timekeeping Mode press the D button again When you enter the World Time Mode the screen for the city that was displayed when you last exited the mode appears first Time in World Time City City Code Time in Home City Once Timekeeping Mode After you set the current time for the...

Page 7: ...to beep twice every hour on the hour When you enter the Alarm Mode the screen for the alarm that was displayed when you last exited the mode appears first Alarm Time Alarm Number Current Time Three Times Timekeeping Mode To select an alarm or the Hourly Time Signal screen Each press of the D button cycles through available screens in the sequence shown below Alarm 1 Alarm 2 Alarm 3 Alarm 4 Hourly ...

Page 8: ...nd auto receive settings To configure time and date settings manually 1 In the Timekeeping Mode hold down the A A A A A button for about two seconds This will cause the watch to beep and display the transmitter selection mode setting screen A A A A A Button Displays the setting screen Changes from the first setting group to the next Exits the setting screen B B B B B Button Scrolls back through th...

Page 9: ...me Stamp records The record that was on the display the last time you exited the Recall Mode appears first Mode Indicator About two seconds Recall Mode Twice Timekeeping Mode To search for Time Stamp data In the Recall Mode use the D D D D D and B B B B B buttons to scroll through Time Stamp records Holding down either button scrolls at high speed B B B B B Button Scrolls in the direction of newer...

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