Casio SF-3990 User Manual
SF-3990
User’s Guide
RCA500238-1
E
GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THIS UNIT
IN THE U.S.A. (not applicable to other areas).
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Caution: Changes or modification to the product not expressly approved
by CASIO could void the user’s authority to operate the product.
NOTICE
English
Congratulations on your selection of this CASIO product! Be sure to keep
this manual in a safe place for future reference when necessary.
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Contents
Read this first! ........................................................................................ E-3
Timekeeping Function ............................................................................ E-5
Alarm Function ....................................................................................... E-8
Inputting Characters .............................................................................. E-9
Recalling Data ..................................................................................... E-15
Editing Data ......................................................................................... E-15
Secret Memory Area ............................................................................ E-16
Conversion Mode ................................................................................. E-17
Memory Capacity Screen .................................................................... E-21
Calculator Mode ................................................................................... E-22
About the Power Supply ...................................................................... E-23
Messages ............................................................................................ E-25
World Time City Table .......................................................................... E-26
Storage Capacity ................................................................................. E-27
Specifications ....................................................................................... E-27
E-2
Read this first!
Before using the unit for the first time
Use the following procedure to load batteries and reset the unit before using
it for the first time.
1. Slide the battery compartment cover in the direction indicated by the arrow.
2. Slide the battery switch to the “REPLACE 1” setting.
3. Load the new battery into the battery compartment, making sure that the
positive (+) side of the new battery is facing up (so you can see it).
4. Slide the battery switch to the “REPLACE 2” setting and repeat step 3
for the other battery.
• Be sure to load two new CR2032 batteries only. Never mix an old battery
with a new one.
5. Slide the battery switch to the “LOCK” setting.
E-3
6. Press the RESET button. “RESET? Y/N” appears on the display.
The reset message appears in one of the six languages shown below.
RESET Message
ENGLISH RESET? Y/N START? Y/N
GERMAN RÜCKST.? J/N START? Y/N
FRENCH REINIT? O/N COMMENC? O/N
ITALIAN AZZER? S/N INIZI? S/N
SPANISH ¿REP.? S/N ¿INICIO? S/N
PORTUGUESE REPOSIC? S/N COMEÇA? S/N
7. Use H or J to select “Y” and then press ENTER. This causes “START?
Y/N” to appear on the display.
8. Use H or J to select “Y” and then press ENTER.
••
• Initial settings after RESET
••
Home Time Zone: New York (NYC)
Home Time: 12:00 AM, January 1, 2002
World Time 1: London (LON)
World Time 2: Tokyo (TYO)
12/24-Hour Setting: 12-hour
9. Replace the battery compartment cover.
Keep written copies of important data.
CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or
loss caused by deletion of data as a result of malfunction, repairs, or removal of both batteries.
Important Precautions
• Keep away from direct flame.
• Keep away from heat: direct sunlight, near heaters, etc.
• Never try to disassemble the unit.
• Clean exterior only with a soft cloth moistened in a weak solution of a mild
neutral detergent and water.
• Items described in this manual are subject to change without notice.
• CASIO COMPUTER CO., LTD. assumes no responsibility for any loss or
claims by third parties which may arise from the use of this product.
E-4
About the Low Battery Message
Replace the batteries as soon as possible after the “LOW BAT!” message
appears. Pressing ON after replacing batteries causes the Home Time screen
to appear. Set the current time and date you want.
• When battery power is low, the “LOW BAT!” message will appear after you
press ON, OFF, TEL, SCHEDULE, ANNIVERSARY, MEMO, TO DO,
CLOCK, CONVERSION, or CAL. If you continue to operate the unit with-
out battery replacement, power will switch off automatically.
• The Daily Alarm, Schedule Alarm will not operate while battery power is low.
To adjust display contrast
1. Press FUNC to select CONTRAST, and then press ENTER.
2. Press J to increase contrast (making the figures on the display darker)
or H to decrease it (making the figures lighter).
3. Press TEL, SCHEDULE, ANNIVERSARY, MEMO, TO DO , CLOCK, CON-
VERSION, CAL, or ESC.
To select the system language (English, French, Spanish,
German, Italian, Portuguese)
1. Press TEL to enter the Telephone Directory Mode.
2. Press FUNC to select LANGUAGE, and then press ENTER.
3. Use K or L to select a language. Press ENTER when the language
you want to use is displayed.
Timekeeping Function
Each press of CLOCK changes between the Home Time, World Time 1,
World Time 2, and Alarm.
To change the World Time city
Use CLOCK to display the World Time and press FUNC to select TIMEZONE.
Then press ENTER and use K and L to scroll through the cities.
City Code
Year
Press ENTER when the city you want to use is displayed.
Month
L
ON?
2
74-1
Time(HH-MM SS)
111300
52
P
Date
AM/PM indicator
E-5
Day of the week
N
OM
7
--
To set the Home Time city
HOME
DEW
1
A
02
0-21
5
1300
2
--
N
YC?
DEW
1
A
22
0-21
5
1300
2
--
HKG?
DEW
1
P
320-1
5
1300
2
--
HOME
DEW
1
P
420-1
5
1300
2
--
HOME
DEW
1
P
020-1
5
1300
2
--
Example
City: HKG (Hong Kong)
Key Operation Display
CLOCK
FUNC ENTER
• Select TIMEZONE.
K / L
• Scroll through city names until HKG
appears.
ENTER
To set the Home Time
Year
Example
Date: 2003-11-17 (November 17, 2003); Time: 9:45 AM
CLOCK
E-6
Key Operation Display
Month
HOME
2
Time(HH-MM SS)
1300
-040-1
5
DEW
1
P
Day of the week
Date
AM/PM indicator
Key Operation Display
HOME
N
OM
7
A
004-9
5
1113002--
HK
G
1
P
0-10
5
010300_--
HK
G
7
A
4-90
_
111300--
2
EDIT
20031117 AM/PM 0945
• 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 resets the seconds to 00.
• Be sure to input leading zeros when necessary.
• Use the following to specify noon and midnight.
12-hour format 12 PM 12 AM
24-hour format 12 00
To switch between Standard Time and Daylight Saving Time
Press DST while your Home Time or the World Time is displayed to toggle
between Standard Time and Daylight Saving Time.
• You must make separate settings for Home Time and World Time.
To switch between 12-hour and 24-hour format
1. Display the Home Time or the World Time.
2. Press 12/24 to change between 12-hour and 24-hour timekeeping.
Noon Midnight
HOME
2
111300
--
014-01
5
N
OM
7
A
DST indicator
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Alarm Function
A
LARME
MIT
A
0-
2
_
0
A
LARMEMI
T
P
0-80
_
A
LARMEMI
T
P
0-8
5
• 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
A
LAR
MEMIT
A
0-210
Alarm ON/OFF indicator
Example
8:05 PM
CLOCK CLOCK CLOCK
EDIT
0805 AM/PM
• Each press of AM/PM toggles between
ENTER
This causes the alarm indicator to appear.
E-8
Key Operation Display
AM (A) and PM (P). AM is indicated on
the display by “A”, while PM is indicated
by “P”.
Current alarm time
setting
A
LARMEMI
0-210
T
A
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