Casio CSF-4450A Troubleshooting guide
R
JUN. 1996
CSF-4450A/4650A/4950A/
4970A(ZX-888)
(without price)
CSF-4970A
INDEX
CONTENTS
FEATURES ..............................................................................................................................1
SPECIFICATIONS ...................................................................................................................2
GENERAL GUIDE ...................................................................................................................4
BATTERY REPLACEMENT ....................................................................................................7
RESET OPERATION...............................................................................................................8
TO SAVE THE DATA ..............................................................................................................9
PIN FUNCTION......................................................................................................................10
DIAGNOSTIC PROGRAM.....................................................................................................11
ERROR MESSAGE ...............................................................................................................14
SCHEMATIC DIAGRAMS .....................................................................................................15
EXPLODED VIEW .................................................................................................................19
PARTS LIST ..........................................................................................................................20
— 1 —
FEATURES
3-color Display
The display shows data in three colors: orange, blue and green. Different colors can be used to highlight
specific dates in the Calendar, and even the color of text data can be specified.
Selectable Main Menu Format
Choose between a graphic desktop or an icon list for the Main Menu from which you can select the mode
you want.
Do Today Function
Every time you turn on the unit, any Schedule Keeper items scheduled for that date appear on the display.
Powerful Data Bank Functions
Telephone Directory, Business Card Directory, Memo, To Do, Expense Manager, Reminder, and Schedule
Keeper.
Secret Function
Look up confidential information using a secret password.
Calendar - Schedule Keeper - Reminder - To Do Linking
Reminder and To Do items are automatically displayed in the applicable Schedule Keeper dates. Markers
appear on the Calendar display to indicate dates for which Schedule Keeper, Reminder, and To Do items
are scheduled.
Timepiece with Home time and World Time
Dual timekeeping for two different locations.
Powerful Alarm Functions
In addition to the standard daily alarm, you can also set alarms for Schedule Keeper, Reminder, and To
Do items.
Calculator
A 12-digit arithmetic calculator is just the thing for those quick, on-the-go calculations.
Data Communication
Exchange data with another CSF Unit or with a CASIO SF Unit.
Note
• This unit is equipped with a demonstration feature, which is activated before the unit is shipped from
the factory. Be sure to turn the demonstration off before using the unit for normal operation.
If you don't, any display color balance settings you make will be cleared every time you turn the unit off.
— 2 —
SPECIFICATIONS
Memory Capacity
Memory capacity differs according to model. The following shows the memory capacity for each available
model.Model Memory
CSF-4450A 32K bytes
CSF-4650A 64K bytes
CSF-4950A 128K bytes
CSF-4970A 256K bytes
The following shows the number or items that can be stored in each model (CSF-4450A/4650A/4950A/
4970A).
Telephone Directory
Approximately 1,200/2,700/5,700/11,600, under the following conditions:
8-character name
10-character telephone number
Approximately 600/1,300/2,900/5,900, under the following conditions:
8-character name
10-character telephone number
20-character address
Business Card Directory
Approximately 300/700/1,500/3,000, under the following conditions:
10-character employer name
8-character personal name
10-character telephone number
10-character position
10-character department
20-character address
Memo
Approximately 1,100/2,600/5,400/11,100, 20-character memos.
To Do
Approximately 700/1,600/3,400/7,100, under the following conditions:
20 character description
Deadline set
Schedule Keeper
Approximately 700/1,500/3,200/6,500, under the following conditions:
20 character description
Illustration used
Starting time specified, alarm time set
Approximately 900/2,000/4,100/8,500, under the following conditions:
20 character description
Illustration not used
Starting time specified, no alarm time
Reminder
Approximately 1,500/3,300/6,900/14,200, under the following conditions:
10 character description
Alarm time set
Approximately 1,700/3,700/7,800/16,000, under the following conditions:
10 character description
No alarm time
— 3 —
Expense Manager
Approximately 800/1,800/3,800/7,700, under the following conditions:
10 character description
Expense type and payment type set
Main Modes:
Telephone Directory, Business Card Directory, Memo, Schedule Keeper, To Do, Expense Manager,
Reminder, Calendar, Home Time, World Time and Calculator
Data Storage:
Storage and recall of telephone, business card, memo, schedule, to do, expense, reminder data; calendar
display; secret memory area; editing; memory status display
Clock:
Worldtime; reminder alarm; schedule alarm; to do alarm; daily alarm; accuracy under normal temperatures:
±3 seconds average
Calculation:
12-digit arithmetic calculations; arithmetic constants (+, -, ×, ÷); independent memory; percentages; square
roots; 24-digit approximations; date calculations; other mixed calculations
General:
Display element: 16-column ×4-line LCD
Main component: LSI
Power supply: Three lithium batteries (CR2032)
Current consumption:
ON: 1.6 mA or under (TEL mode)
OFF: 13 µA or under
Low battery message: 7.2 V ±2.0%
Forced power off: 6.7 V ±2.0%
Battery life:
Main: Approximately 90 hours continuous display in Telephone Directory; approximately
70 hours repeating one minute of input and 10 minutes of display in Telephone
Directory
Power consumption: 0.08 W
Auto power off: Approximately 6 minutes after last key operation
Operating temperature: 0°C ~ 40°C (32°F ~ 104°F)
Dimensions:
Unfolded: 10.7H ×145W ×174.5D mm (7/16"H ×511/16"W ×67/8"D)
Folded: 15.3H ×145W ×89.5D mm (5/8"W ×511/16"W ×31/2"D)
Weight: 125 g (4.4 oz) including batteries
— 4 —
GENERAL GUIDE
About the Demonstration feature...
The CSF Unit comes with a Demonstration feature that shows sample screens and input data for each of
its functions. When the Demonstration feature is turned on, the CSF Unit automatically shows the various
demonstration screens in sequence each time you turn it on.
• You can interrupt an ongoing demonstration at any time by pressing any key.
To turn the Demonstration feature on and off
1. While the main menu is on the display, press FUNC.
2. Press 1 to select SYSTEM.
3. Press to display the second SYSTEM Menu.
4. Press 2to select START UP.
5. Use and to move the pointer to DEMO.
6. Use and to turn the Demonstration feature on and off.
7. After making the setting you want, press OK.
Note
• The demonstration feature screens will not be displayed when the Do Today feature is turned on.
Selecting a Main Menu Format
You can select either a graphic desktop or an icon list as the Main Menu format. You get the same features
and functions, regardless of the Main Menu format you select.
Important!
• All of the examples in this manual are illustrated using the icon list, and all references to the Main Menu
apply to both the graphic desktop and the icon list, unless otherwise specified.
OFF key - Press this key to turn power off.
ON key - Press this key to turn power on.
Cursor Key Pad
Keyboard
Display
MENU key COLOR SELECT keys
— 5 —
Icon List Format
The Main Menu icon list format provides two screens of icons from which you can choose the function you
want.
1Telephone Directory 4To Do
2Business Card Directory 5Schedule Keeper
3Memo 6Calendar
7Expense Manager
1Reminder 4Daily Alarm
2Home Time 5Calculator
3World Time 6Secret Memory Area
To enter a mode
Use the , , , and cursor keys to move the highlighting to the mode you want to select and press
OK. Oryoucan simplyinput thenumber in the upper left corner ofan iconto directlyenter thecorresponding
mode without pressing OK.
To change from Page 1 to Page 2
• While any icon of Page 1 is highlighted, press or MENU to change to Page 2.
• While an icon in the bottom row of Page 1 is highlighted, press to change to Page 2.
• While the Expense Manager icon is highlighted, press to change to Page 2.
To change from Page 2 to Page 1
• While an icon in the top row of Page 2 is highlighted, press to change to Page 1.
• While the Reminder icon is highlighted, press to change to Page 1.
• While any icon of Page 2 is highlighted, press or MENU to change to Page 1.
Desktop Format
Home Time, World
Time, and Alarm
Secret Drawer
Memo
Calculator
To Do
Telephone Directory
and Business Card
Directory
Calendar, Schedule
Keeper, Reminder and
Expense Manager
1 2 3
4 5 6 7
1 2 3
4 5 6
— 6 —
The desktop gives you point-and-select access to the data management features of the CSF Unit.
Whenever you want to return to the desktop, simply press the MENU button.
• Note that one of the icons on the desktop is flashing, This means that the icon is selected.
How to use the desktop
1. Use the cursor keys tomove the flashingaround the desktop until theone you wantis selected (flashing).
2. After selecting an icon, press OK to access the functions of that icon.
• Selecting some icons (like the Clock and Telephone) cause another selection screen to appear.
• Details on actually using the features and functions that you access from the desktop are described in
the other sections of this manual.
Changing the Desktop Screen's Window Scenery
You can change the scenery that is outside the desktop screen's window to any one of the scenes shown
below. Simply display the desktop screen and press the COLOR SELECT key that corresponds to the
scenery you want to select.
ORG: Night-time city scene
BLU: Daytime city scene
GRN: Beach scene
Adjusting the Color Balance
The following procedure describes how to adjust the color contrast, which controls the relative darkness
and lightness of each color on the display.
To adjust the Color Balance
1. While the desktop is on the display, press FUNC.
2. Press 1to select SYSTEM.
3. Press to display the second SYSTEM
menu.
4. Press 1to select COLOR BALANCE.
5. Use and to move the pointer to the color whose contrast you want to set.
6. Use and to adjust the contrast of the currently selected color.
• You can adjust the overall contrast of the display by pressing or .
7. After you finish adjusting the display contrast, press OK.
• Color contrast settings are registered as soon as you make them. Because of this, pressing either OK
or ESC quits the color contrast procedure only. Pressing ESC does not return the color contrast setting
to what is was.
Note
• Temperature changes can cause changes in background color and the tint of display colors .
Pointer (currently
selected item) (ORG)
(BLU)
(GRN)
INITIALIZE
— 7 —
3
2
1
+
+
+
BATTERY REPLACEMENT
Before replacing the batteries, note the following precaution:
• Be sure to replace all batteries with a full set of new ones, and do not mix old batteries with new ones.
1. Press OFF to switch power OFF.
2. Slide the battery compartment cover in the direction indicated by the arrow.
3. Slide the battery switch to the "REPLACE 1" setting.
5. 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).
6. Replace the battery holder and faten it in place.
7. Slide the battery switch to the "REPLACE 2, 3" setting and repeat steps 4 through 6 for the other
batteries.
• Be sure to replace all three batteries, using CR2032 lithium batteries only. Never mix old batteries with
new ones.
8. Slide the battery switch to the "NORMAL" setting.
• You will not be able to turn the unit on if the battery switch is not in the "NORMAL" setting.
9. Replace the battery compartment cover.
• The Home Time screen always appears whenever you turn power on for the first time after replacing
batteries.
10. Check the Home Time setting and make changes if necessary.
REPLACE
NORMAL
3
2
1
3
2
1
+
+
+
4. Remove the battery holder by sliding it in the direction indicated by the arrow in the illustration.
Caution
Be sure to remove only one battery at a time. Otherwise, you will lose all data stored in memory.
— 8 —
1. Open the battery compartment and press the RESET button.
• At this time the following message appears on the display.
2. Make sure that YES is highlighted. If NO is highkighted, press to move the highlighting to YES.
Warning!
The next step deletes all data stored in the CSF Unit's memory. Make sure that you really want
to delete the data before you continue!
3. Press OK to start the RESET procedure.
• After the ALL RESET operation is complete, the LANGUAGE screen appears on the display.
4. Use the procedure under "Setting the System Language" to select a system language.
• After you set the system language, the Home Time Screen appears.
5. Check the Home Time setting and make changes if necessary.
Following the all reset operation, the CSF Unit settings are initialized as noted below.
Home Time: LON
1996/1/1 MON
12:00 AM
12-hour format
World Time: NYC
Daily Alarm: 12:00 PM
Sound: Data alarm (Schedule alarm, Reminder alarm and To Do alarm) — ON
Daily alarm — OFF
Key — ON
Messages: English
Character input: CAPS
To perform SECRET RESET
Important!
• The following procedure erases all data stored in the secret drawer. Make sure you do not need any
ofthe data inthe secret drawer before deletingit. You cantransfer data you might needto the desktop
(page 9) before performing this procedure.
• Note that this unit has no procedure for deleting the password only (and leaving secret drawer
contents) or secret drawer contents only (and leaving the password).
1. Press the MENU key.
2. Press the FUNC key and then input 1to select SYSTEM.
3. Press twice to change to the third screen (3/3), and then input 1to select SECRET RESET.
4. Press OK.
RESET OPERATION
To perform ALL RESET
3
2
1
+
+
+
RESET button
CLEAR MEMORY AND
SET UP THE UNIT
FOR OPERATION?
YES/NO
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