R
SF-4700L (ZX-454 A,B)
SF-4900L (ZX-454 E,F)
(without price)
JUL. 1997
SF-4700L
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CONTENTS
1. SPECIFICATIONS ............................................................................................................ 3
2. GENERAL GUIDE ............................................................................................................. 5
3. BATTERY REPLACEMENT ............................................................................................. 8
4. RESET OPERATION ........................................................................................................ 9
5. TO SAVE THE DATA ...................................................................................................... 10
6. PIN FUNCTION ............................................................................................................... 12
7. DIAGNOSTIC PROGRAM .............................................................................................. 13
8. ERROR MESSAGE .........................................................................................................17
9. SCHEMATIC DIAGRAMS ............................................................................................... 19
10. EXPLODED VIEW ...........................................................................................................21
11. PARTS LIST ....................................................................................................................22
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1. SPECIFICATIONS
Memory Capacity
Memory capacity differs according to model. The following shows the memory capacity for each available
model.
Model
Memory
SF-4700L
64K bytes
SF-4900L
128K bytes
The following shows the number or items that can be stored in each model (SF-4700L/4900L).
Telephone Directory
Approximately 2900 (SF-4700L)/6000 (SF-4900L), under the following conditions:
8-character name
10-character telephone number
Approximately 1400 (SF-4700L)/3000 (SF-4900L), under the following conditions:
8-character name
10-character telephone number
20-character address
Memo
Approximately 2700 (SF-4700L)/5700 (SF-4900L), 20-character memos.
Schedule Keeper
Approximately 1800 (SF-4700L)/3800 (SF-4900L), under the following conditions:
1 item per day, 20 characters per item
30 days per month
Starting time specified,alarm time set
Approximately 2100 (SF-4700L)/4500 (SF-4900L), under the following conditions:
1 item per day, 20 characters per item
30 days per month
Starting time specified, no alarm time
Reminder
Approximately 3600 (SF-4700L)/7400 (SF-4900L), under the following conditions:
10 characters per item
Alarm time set
Approximately 4000 (SF-4700L)/8400 (SF-4900L), under the following conditions:
10 characters per item
No alarm time
Main Modes:
Telephone Directory, Memo, Schedule Keeper, Reminder, Calendar, Home Time, World Time and Calculator
Data Storage:
Storage and recall of telephone, memo, schedule, reminder data; calendar display; secret area; editing;
memory status display
Clock:
Worldtime; reminder alarm; schedule alarm; daily alarm; accuracy under normal temperatures: average
±3
seconds per day
Calculation:
10-digit arithmetic calculations; arithmetic constants (+, ,
×, ÷); independent memory; percentages; square
roots; 20-digit approximations; date calculations; other mixed calculations
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General:
Display element:
16-column
× 4-line LCD
Main component:
LSI
Power supply:
Three lithium batteries (CR2032)
Current consumption:
Telephone top menu (Backlight from EL doesn't shine)-
600
µA (MAX.)
Telephone top menu (Backlight from EL shines)-
12.6 mA (MAX.)
OFF- 19
µA (MAX.)
Low battery message:
7.2 V
± 2.5%
Forced power off:
6.7 V
± 2.5%
Battery life:
· Approximately 300 hours of continuous display only in Telephone Mode.
· Approximately 170 hours with 55 minutes of continuous display only and
5 minutes of processing operation per hour.
· Approximately 110 hours with 55 minutes of continuous display only and
5 minutes of processing operation per hour, plus 3 minutes of backlight
operation per hour during continuous display only period.
Power consumption:
0.2 W
Auto power off:
Approximately 6 minutes after last key operation
Operating temperature:
0
°C ~ 40 °C (32 °F ~ 104 °F)
Dimensions:
Unfolded:
11 H
× 152.5 W × 181.5 D mm (3/8" H × 6" W × 71/8" D)
Folded:
15 H
× 152.5 W × 93 D mm (5/8" H × 6" W × 35/8" D)
Weight:
138 g (4.9 oz) including batteries
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Display
Numeric
Keys
Connector
Terminal
Light key
Cursor Keys
Keyboard
Lock
Mode Keys
Power OFF
Key
Power ON/
Clear key
2. GENERAL GUIDE
The following illustration shows the names of the main controls of the SF-4700L/4900L.
Setting Up the SF Unit
After batteries are loaded, use the following procedures to set up the SF Unit for operation.
To switch power on and off
1. Press ON to switch power on.
·
The initial screen for the mode that was seleted when you last switched power off appears on the
display.
·
lf either of the messages (A or B) shown bellow appears on the display, follow the procedures
described bellow.
Whenever you turn on the power of the SF Unit ,it performs a self-check before beginning operation.
If a problem is discovered during the self-check, the SF Unit displays one of the following messages.
Note
·
The above messages always appear in English, regardless of the system language setting.
If this is the first time you ever turned on the SF Unit...
Perform the RESET OPERATION on page 9.
If this is not the first time you are using the SF Unit...
There is probably a problem with the data in memory (data error). Note that once data is lost it cannot
be recovered. Such data errors are generally caused by one of the following problems.
·
Interruption of battery power.
·
Severe electrostatic charge, impact, change in temperature, or change in humidity.
·
Hardware problem.