Casio Clock Radio SF 3990 User Manual

E
SF-3990  
User’s Guide  
RCA500238-1  
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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  
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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.  
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6. Press the RESET button. RESET? Y/Nappears on the display.  
The reset message appears in one of the six languages shown below.  
RESET Message  
ENGLISH  
GERMAN  
FRENCH  
ITALIAN  
SPANISH  
PORTUGUESE REPOSIC? S/N  
RESET? Y/N  
RÜCKST.? J/N  
REINIT? O/N  
AZZER? S/N  
¿REP.? S/N  
START? Y/N  
START? Y/N  
COMMENC? O/N  
INIZI? S/N  
¿INICIO? S/N  
COMEÇA? S/N  
7. Use H or J to select Yand then press ENTER. This causes START?  
Y/Nto appear on the display.  
8. Use H or J to select Yand 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 re-  
moval 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.  
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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 HomeTime 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 WorldTime and press FUNC to selectTIMEZONE.  
Then press ENTER and use K and L to scroll through the cities.  
Month  
City Code  
Year  
Day of the week  
L
O
N
?
MO  
N
2
003 - 11 - 17  
1 - 47 25  
Date  
AM/PM indicator  
P
Time(HH-MM SS)  
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To set the Home Time city  
Example  
City: HKG (Hong Kong)  
Key Operation  
CLOCK  
Display  
H
OME  
W
E
1
D
2
003 - 1 -  
1
2
- 0  
5
20  
A
N
Y
2
C
?
W
E
1
D
A
FUNC ENTER  
Select TIMEZONE.  
003 - 1 -  
1
2
- 0  
5
22  
HK  
G
?
W
E
D
P
K / L  
2
003 - 1 -  
1
Scroll through city names until HKG  
appears.  
1 - 0  
5
2
3
W
4
H
OM  
E
E
1
D
2
003 - 1 -  
ENTER  
1 - 0  
5
2
P
To set the Home Time  
Month  
Day of the week  
Date  
H
OM  
E
WE  
1
D
Year  
2
003 - 1 -  
1 - 0 40  
AM/PM indicator  
5
P
Time(HH-MM SS)  
Example  
Date: 2003-11-17 (November 17, 2003); Time: 9:45 AM  
Key Operation  
Display  
H
OM  
E
WE  
1
D
2
003 - 1 -  
CLOCK  
1 - 0  
5
2
0
P
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Key Operation  
Display  
HK  
G
_
003 - 01 - 01  
EDIT  
0
1
- 0  
5
P
20031117 AM/PM 0945  
HK  
G
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.  
2
003 - 11 - 17  
_
09 - 4  
A
N
A
H
OM  
E
MO  
ENTER  
2
003 - 11 - 17  
9 - 4 00  
This resets the seconds to 00.  
5
Be sure to input leading zeros when necessary.  
Use the following to specify noon and midnight.  
Noon  
Midnight  
12 AM  
00  
12-hour format  
24-hour format  
12 PM  
12  
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.  
H
OM  
E
MO  
N
2
003 - 11 - 17  
10 - 4 10  
5
A
DST indicator  
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.  
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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  
A
L
A
RM  
T
I
ME  
1
2
- 00  
A
Current alarm time  
setting  
Alarm ON/OFF indicator  
Example  
8:05 PM  
Key Operation  
Display  
A
L
A
RM  
T
I
ME  
CLOCK CLOCK CLOCK  
1
2
- 00  
A
A
A
L
A
_
R
M
T I M  
E
E
E
EDIT  
2
- 00  
0805 AM/PM  
A
A
L
A
R
M
T
_
I
I
M
M
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”.  
08 - 0  
P
P
L
A
R
M
T
5
ENTER  
This causes the alarm indicator to appear.  
8 - 0  
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To turn alarms on and off  
1. Press FUNC to display the function menu.  
2. Select SOUND, and then press ENTER.  
3. Press K and L to change between displays as shown below, and H  
and J to select Ð(on) or ×(off).  
D
A
I L  
Y
ALM  
(Daily Alarm Status)  
K
EY  
(Key Input Tone Status)  
S
C
HE  
D
ALM  
(Schedule Alarm Status)  
4. Press ENTER to return to the previous screen.  
Inputting Characters  
You can input alpha-characters, numbers or symbols while the cursor is in  
the top line of the display (text area). Only numbers can be input while the  
cursor is in the second and third line (number area).  
Press CAPS to toggle the keyboard between upper-case and lower-case.  
The CAPSindicator is on the display during upper-case input.  
To input a symbol, press SHIFT (so theSHIFTindicator is on the display)  
and then press the key for the symbol you want to input. Press the SYM-  
BOL button. Use K and L to display the symbol you want, and then  
press the applicable number key to select the symbol and input it.  
To input a return, press B.  
To input a special character, press CODE so the CODEindicator is dis-  
played. Next, press the key for the accent you want to input, and then  
press the key for the character.This inputs the accent and character com-  
bination.  
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While in the number area, press to input a hyphen.  
To input a space, press SPACE.  
To change a character, use H and J to move the cursor and then input  
the new character.  
To input Telephone Directory data  
Name/Company: 72 characters; Home (Tel. No.):24 digits; Work (Tel No.)  
24 digits; Fax number: 24 digits; Cell phone number: 24 digits; E-mail  
address:36 characters;URL:36 characters;Address:72 characters;Free:  
64 characters  
Example  
NAME/COMPANY: CASIO  
Home:045-012-3456; Work: 045-012-7890; Fax: 045-987-6543;  
Cell Phone: 045-654-3210; e-mail address: [email protected];  
Key Operation  
Display  
E / OMPANY  
N
A
M
C
TEL  
H
_
OME  
?
CASIO ENTER  
W
O
A
R
K
?
?
_
045-012-3456 ENTER  
045-012-7890 ENTER  
045-987-6543 ENTER  
F
_
X
C
_
E
LL?  
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Key Operation  
045-654-3210 ENTER  
Display  
I L?  
E-  
MA  
URL?  
CAPS ABCD SHIFT  
@XYZ.COM ENTER  
A
DDRE  
SS  
?
WWW.CASIO.COM  
ENTER  
F
REE  
?
CAPS TOKYO SPACE  
JAPAN ENTER  
CA  
04  
04  
S
5
5
I
O
- 01  
- 01  
2
2
- 3456  
- 7890  
ENGINEER ENTER  
Data is automatically sorted into alphabetical sequence according to the  
names.  
To change the FILE NAME  
1. Press TEL to display the initial Telephone Directory screen.  
2. Press FUNC to select FILE NAME, and then press ENTER.  
FILE NAME can be up to 12 characters long.  
3. After making the changes you want, press ENTER to store them.  
To input Schedule data  
Up to 119 characters per data item.  
Example  
Meeting on December 5, 2003 from 2 PM  
Key Operation  
SCHEDULE  
Display  
DE  
S
C
R
I
P
T
I
ON?  
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E-11  
Key Operation  
MEETING ENTER  
Display  
D
D
A
T
E
/
T
I
ME?  
_
003 -11 -17  
1
2
- 0  
5
A
A
A
2
T
E
/
T
I
M
2
5
E?  
003 - 1  
- 0  
5
20031205  
_
2
- 0  
0200 AM/PM ENTER  
S
C
H
E
D
A
L
M
?
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.  
__ __  
-
A
0130 ENTER  
M
EE  
003 - 1  
- 00  
T
I
NG  
If you do not want to set an alarm for the  
appointment, press ENTER without  
inputting a time.  
2
2
-
5
2
P
Schedule data is sorted by date and time.  
This unit also has a Schedule Alarm, which you can turn on and off (see  
To turn alarms on and offon page E-9). If the Schedule Alarm is turned  
on, an alarm sounds when the current time reaches the start time of  
Schedule Keeper data that comes first chronologically.Note that the details  
of the Schedule Keeper data are displayed when the Schedule Alarm  
sounds.  
To input Anniversary data  
Up to 120 Character per data item.  
Example  
X MAS DAY 12-25  
Key Operation  
Display  
DE  
S
C
R
I
P
T
I
ON?  
ANNIVERSARY  
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Key Operation  
Display  
MM  
/
DD  
?
01 - 01  
X MAS SPACE DAY ENTER  
X
M
A
S
1
D
-
AY  
25  
2
1225 ENTER  
Anniversary data is sorted by date.  
To input Memo data  
Up to 120 characters per data item.  
Example  
JODY BDAY (Jodys birthday), 10-5 (October 5)  
Key Operation  
MEMO  
Display  
MO  
M
E
O
O
?
J
J
D
D
Y
Y
B
B
D
D
AY  
AY  
_
JODY SPACE BDAY  
B 10-5 ENTER  
Memo data is not sorted.  
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E-13  
To input To Do data  
Up to 119 characters per data item.  
Example  
CALL BILL, 11-6 (November 6)  
Key Operation  
Display  
D
O
W
H
A
T
?
TO DO  
_
CALL  
B
I LL  
CALL SPACE BILL  
(The check box appears automatically.)  
W
HEN?  
ENTER  
2
_
003 - 01 - 01  
The current date appears automatically.  
20031106 ENTER  
CALL  
B
I LL  
Pressing ENTER again toggles the sta-  
tus of the check box between checked  
and unchecked.  
2
003 - 11 -  
6
To Do data is sorted from uncheck data to checked data by date.  
DATE STAMP  
To input the date, press SHIFT and then press CODE. The date stamp can  
be used during text data input.  
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Recalling Data  
The indicators K and L on the screen indicate that data exists above or  
below the displayed data. Use K and L to scroll the screen and view the  
other data.  
Indicators on the left side of the Telephone Directory screen show what  
kind of data is currently displayed. The display indicators are: “HOME”  
(home telephone), “WORK” (work telephone), “FAX” (fax number), “CELL”  
(cell phone number), “E-mail” (e-mail number), and “ADD” (address).  
When scrollingTelephone Directory data, pressing first shows the name  
entry along with the home and work telephone numbers. Each press of  
K or L scrolls through the fax number, cell phone number, e-mail address  
and other entries.  
Scroll Search  
1. Use TEL, SCHEDULE, ANNIVERSARY, MEMO, or TO DO to enter the  
mode (Telephone Directory, Schedule Keeper, Memo, To Do) that con-  
tains the data you want.  
2. Use to scroll down, to scroll up. Hold down to scroll at high speed.  
Initial Character Search  
1. Use TEL, SCHEDULE, ANNIVERSARY, MEMO, or TO DO to enter the  
mode (Telephone Directory, Schedule Keeper, Memo,To Do) that contains  
the data you want.  
2. Input the initial characters of the data you want.  
3. Press or to start the search.  
4. If you get more than one, you can scroll.  
Editing Data  
To edit data  
1. Recall data and press EDIT.  
2. Input data as you normally would.  
3. After inputting the data you want, press ENTER to store it.  
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E-15  
Deleting Data  
To delete a single item  
1. Press or to recall an item.  
2. Press FUNC to select ITEM DEL, and then press ENTER.  
3. Press ENTER to delete the recalled item, or press ESC to abort.  
To delete all data in a particular mode  
1. Press TEL, SCHEDULE, ANNIVERSARY, MEMO, or TODO to enter the  
mode that contains the data you want to delete.  
2. Press FUNC to select ALL DEL, then press ENTER.  
3. Press ENTER to delete all the data in the mode, or press ESC to abort.  
Secret Memory Area  
Important!  
If you forget your password, you will have to RESET and delete everything in  
memory!  
To register a password  
Example  
Password: 0123  
Key Operation  
Display  
N
A
ME/  
C
OMP  
A
N
Y
TEL  
N
E
W
-
P
A
SS  
?
SECRET  
____  
PE  
RE  
T
Y
0123 ENTER  
Your password can be up to 4 numbers long.  
____  
OM  
N
A
ME  
/
C
P
ANY  
0123 ENTER  
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C
Once you are in the secret memory area (indicated by  
), you can input,  
recall, edit, and delete data, and change between the Telephone Direc-  
tory, Schedule Keeper, Memo and To Do just as you do in the normal  
(non-secret) memory area.  
To enter the secret memory area  
1. While in the Telephone Directory, Schedule, Anniversary, Memo, or To  
Do mode, press SECRET.  
2. Input the current password and press ENTER. If the password is not  
correct, the error message will appear on the display and then return to  
password input step.  
To exit the secret memory area  
Press SECRET to exit the secret memory area.  
To change the password  
1. While in the Secret Memory area, press FUNC a number of times until  
PASS EDITis displayed.  
2. Press ENTER.  
3. Change to the new password and press ENTER to store.  
Conversion Mode  
Your Digital Diary has two conversion modes, one for currency conversion  
and one for metric conversion.  
To enter the Currency Conversion Mode  
Key Operation  
Display  
URR CY  
C
E
N
CON  
CONVERSION  
USD  
← →  
ENTER  
0
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E-17  
To enter the Metric Conversion Mode  
Key Operation  
Display  
TR CON  
ME  
I
C
CONVERSION CONVERSION  
02 -  
yd  
← →  
m
ENTER  
02 -  
0
Using the Currency Conversion Mode  
You can use the Currency Conversion Mode to convert between various  
currencies. The calculator comes preset with the default currency names  
listed below.You can use the default currency names as they are, or you can  
change to other currency names. You can also change the exchange rate  
whenever you want.  
1. USD   
2. USD JPY  
3. C1 C2  
4. C1 C3  
5. C2 C3  
Note  
Conversion No. 5 will be automatically set when No.3 & 4 have been reg-  
istered.The currency name and exchange rate of No.5 are changed auto-  
matically.  
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To perform a currency conversion  
Example 1  
To convert $100 to euros.  
Key Operation  
Display  
USD  
← →  
CONVERSION ENTER 100  
100  
110  
USD  
J
Press J or H to convert back.  
Example 2  
To convert 100 to US dollars.  
Key Operation  
CONVERSION ENTER 100  
H
Display  
U
S
D
← →  
1100  
US  
D
Each press of H or J converts the dis-  
played value.  
909090909  
To change the currency name and rate  
To setup a conversion from euros to pounds at a rate of 1.7125.  
Key Operation Display  
USD  
← →  
CONVERSION ENTER  
0
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E-19  
Key Operation  
Display  
EDIT SPACE SPACE SPACE £* ENTER  
* To select the £ (pound) symbol, press the  
SYMBOL button. Use K and L to  
display the £ (pound) symbol, and then  
press the applicable number key to  
select it.  
£
← →  
11  
0
£
← →  
1.7125 ENTER  
This stores the input value in memory.  
Note  
You can input up to five characters for the currency name and 10 digits for  
the exchange rate.  
Using the Metric Conversion Mode  
All conversion values in the Metric Conversion Mode are preset as shown  
below.You cannot change them.  
Conversion  
yards meters  
feet meters  
inches centimeters  
Kilometers miles  
kilograms pounds  
grams ounces  
Celsius Fahrenheit  
liters UK gallons  
liters US gallons  
Displayed Units  
yd : m  
Conversion Formula  
1 : 0.9144  
1 : 0.3048  
1 : 2.54  
ft : m  
in : cm  
km : mi  
kg : lb  
1.6093 : 1  
0.4536: 1  
g : oz  
28.35 : 1  
°C : °F  
l : galUK  
1 : 1.8 * °C+32  
4.546 : 1  
l : galUS  
3.785 : 1  
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To perform metric conversion  
To convert 28 degrees Celsius to Fahrenheit  
Key Operation  
Display  
yd  
← →  
m
CONVERSION CONVERSION ENTER  
0
Press L 6 times, then input 28  
← →  
Use K and L to search the desired  
conversion.  
28  
J
8
2
2
← →  
H
8
Press H again to convert °F to °C  
22  
Memory Capacity Screen  
1. While in the Telephone Directory, Schedule, Anniversary, Memo, or To  
Do mode, press FUNC to select MEMORY.  
2. Press ENTER to display the memory capacity screen.  
USED  
%
8
Percentage of  
memory used  
Press ESC to exit the memory capacity screen.  
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E-21  
Calculator Mode  
Press CAL to enter the Calculator Mode.  
I
Calculation Examples  
Examples  
Operation  
Display  
a
0.  
53 + 123 63 =  
53q125 (Error)  
C123  
+
+
125.  
123.  
113.  
w63u  
963 × (23 56) =  
23w56e963u  
31779.  
(56 × 3 89) ÷ 5.2 + 63 = 56e3w89r5.2q63u  
78.19230769  
123456 × 741852 =  
123456e741852u E 9.158608051  
C
9.158608051  
0.  
a
2 × (3) =  
12 + 23 =  
45 + 23 =  
2e3;u  
23qq12u K +  
45u K +  
6.  
35.  
68.  
7 5.6 =  
2 5.6 =  
5.6ww7u K  
2u K −  
1.4  
3.6  
2.3 × 12 =  
4.5 × 12 =  
12ee2.3u K ×  
4.5u K ×  
27.6  
54.  
45 ÷ 9.6 =  
78 ÷ 9.6 =  
9.6rr45u K ÷  
78u K ÷  
4.6875  
8.125  
12% of 1500  
1500e12t  
660r880t  
180.  
75.  
Percentage of 660  
against 880  
15% add-on of 2500  
25% discount of 3500  
2500e15tq  
3500e25tw  
2875.  
2625.  
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480q25t  
640.  
160.  
(Profit)  
What will the selling  
price and profit be when  
the purchasing price of  
an item is $480 and the  
profit rate to the selling  
price is 25%?  
w
If you made $80 last week  
and $100 this week, what  
is the percent increase?  
100w80t  
25.  
a•80e9|  
50e6}  
20e3|  
ª
M
M
M
M
720.  
300.  
60.  
80 × 9 = 720  
) 50 × 6 = 300  
20 × 3 = 60  
480  
480.  
About the Power Supply  
Caution  
All data stored in memory is lost if you remove both batteries at the same  
time.  
Replace the batteries at least once every 2 years, no matter how much  
you use the unit.  
Be sure that you keep a separate copy of all important data that you store  
in the unit.  
To replace the batteries  
1. Press OFF to switch power OFF.  
2. Slide the battery compartment cover in the direction indicated by the arrow.  
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E-23  
3. Slide the battery switch to the “REPLACE 1” setting.  
Insert a thin, pointed object into (A) and remove the old battery.  
(A)  
Caution  
Be sure to remove only one battery at a time. Otherwise, you will lose  
all data stored in memory.  
4. Replace the old battery with a new one, making sure that the positive (+)  
side of the new battery is facing up (so you can see it).  
5. Slide the battery switch to the “REPLACE 2” setting and repeat step 4  
for the other battery.  
Be sure to load two new CR2032 batteries at the same time .Never mix an  
old battery with a new one.  
6. Slide the battery switch to the “LOCK” setting.  
7. Replace the battery compartment cover.  
Battery Precautions  
Keep + side of each battery facing up (so you can see it).  
Keep batteries out of the reach of small children. If swallowed, consult  
with a physician immediately.  
The batteries that come with this unit discharge slightly during shipment  
and storage. Because of this, they may require replacement sooner than  
the normal expected battery life.  
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Messages  
Message  
BUSY...  
Remarks  
Data processing is being performed.  
NOT FOUND!  
No data in memory matches your  
specification.  
PASS?  
Your operation requires entry into the  
secret memory area. Input the password.  
LOW BAT!  
Battery power is low. Replace the batteries.  
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E-25  
World Time City Table  
Time  
Difference  
Code  
City Name  
Other Cities in Zone  
11  
10  
09  
08  
HNL  
ANC  
LAX  
SFO  
DEN  
MEX  
NYC  
LIM  
HONOLULU  
ANCHORAGE  
LOS ANGELES  
SAN FRANCISCO  
DENVER  
MEXICO CITY  
NEW YORK  
Seattle, Las Vegas  
07  
06  
05  
El Paso  
Dallas, Houston, Chicago  
Washington D.C., Boston,  
Montreal  
LIMA  
04  
03  
02  
01  
+ 00  
+ 01  
CCS  
RIO  
CARACAS  
RIO DE JANEIRO  
Santiago  
Buenos Aires  
LON  
PAR  
ROM ROME  
LONDON  
PARIS  
Greenwich Mean Time  
Madrid, Amsterdam  
+ 02  
CAI  
ATH  
IST  
CAIRO  
ATHENS  
ISTANBUL  
Helsinki, Beirut, Jerusalem  
+ 03  
+ 3:30  
+ 04  
+ 4:30  
+ 05  
+ 5:30  
+ 06  
+ 07  
+ 08  
MOW MOSCOW  
Kuwait, Nairobi  
Abu Dhabi  
THR  
DXB  
KBL  
MLE  
DEL  
DAC  
BKK  
HKG  
BJS  
DPS  
TYO  
ADL  
SYD  
TEHRAN  
DUBAI  
KABUL  
MALE  
DELHI  
DHAKA  
BANGKOK  
HONG KONG  
BEIJING  
DENPASAR  
TOKYO  
ADELAIDE  
SYDNEY  
Mumbai, Calcutta, Colombo  
Jakarta, Hanoi  
Taipei, Singapore, Manila  
+ 09  
+ 9:30  
+ 10  
Seoul, Pyongyang  
Darwin  
GUM GUAM  
+ 11:00 NOU NOUMEA  
+ 12:00 AKL AUCKLAND  
Wellington  
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Storage Capacity  
Telephone: 3,900 records under the following conditions  
NAME/COMPANY: 10 characters  
HOME: 10 digits  
WORK: 10 digits  
Schedule: 3,100 records under the following conditions  
DESCRIPTION: 20 characters  
Alarm: On  
One appointment per day  
Memo: 5,200 records under the following conditions  
MEMO: 20 characters  
To Do: 4,300 characters under the following conditions  
DO WHAT: 20 characters  
Anniversary: 4,600 records under the following conditions  
DESCRIPTION: 20 characters  
Specifications  
Model: SF-3990  
Memory capacity: 128 KB  
Power supply: 2 lithium batteries (CR2032)  
Power consumption: 0.02 W  
Battery life:  
Approximately  
2
years under the following test conditions:  
Unit turned on one hour each day.  
Auto Power Off: Approximately 6 minutes after last key operation  
Ambient temperature range: 0˚C~40˚C (32˚F~104˚F)  
Dimensions: Folded: 13.9 (H) × 145 (W) × 91 (D) mm  
(9/16 " (H) × 511 16 " (W) × 39/16 " (D))  
/
Unfolded: 10.3 (H) × 145 (W) × 178 (D) mm  
(3/8 " (H) × 511  
16 " (W) × 7 " (D))  
Weight: Approximately 120g (4.2 oz) including batteries  
/
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E-27  
CASIO ELECTRONICS CO., LTD.  
Unit 6, 1000 North Circular Road  
London NW2 7JD, U.K.  
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CASIO COMPUTER CO., LTD.  
6-2, Hon-machi 1-chome  
Shibuya-ku, Tokyo 151-8543, Japan  
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