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Casio Digital Diary SF-3990 User Manual

Page 10

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E-8

Alarm Function

The alarm sounds for 20 seconds when the alarm time is reached.

To stop the alarm when it is sounding, press any key.

To set the alarm time

ALARM

E

M

I

T

A

0

-

2

1

0

Example
8:05 PM

Key Operation

Display

CLOCK CLOCK CLOCK

EDIT

0805 AM/PM

Each press of AM/PM toggles between
AM (A) and PM (P). AM is indicated on
the display by “A”, while PM is indicated
by “P”.

ENTER
This causes the alarm indicator to appear.

Current alarm time
setting

Alarm ON/OFF indicator

ALARM

E

M

I

T

A

0

-

2

1

0

ALARM

E

M

I

T

A

0

-

2

_

0

ALARM

E

M

I

T

P

0

-

8

0

_

ALARM

E

M

I

T

P

0

-

8

5