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1. SPECIFICATIONS
Model: SF-5590SY/SF-5790SY/SF-5990SY
*PC LINK software and cable for data transmission (FA-128) are added to SF-5590SY
PLUS/5790SY PLUS/5990SY PLUS. See to 9. PARTS LIST.
Main Modes:
Telephone Directory, Memo, Schedule Keeper, To Do, Expense Manager, Reminder, Calendar, Home
Time, World Time, Calculator, Conversion (metric/currency) and Game (Poker/Blackjack)
Data storage:
Storage and recall of telephone, memo, schedule, to do, expense, reminder data; calendar display;
editing; memory status display
Clock:
World time; reminder alarm; schedule alarm; daily alarm; accuracy under normal temperatures: ±3
seconds per day
Calculation:
12-digit arithmetic calculations; independent memory; percentages; square roots; other mixed calcu-
lations
General:
Display element: 26-column × 8-line LCD
Memory capacity: SF-5590SY: 128 KB
SF-5790SY: 256 KB
SF-5990SY: 512 KB
Main component: LSI
Power supply:
Main: Two AAA-size alkaline batteries (Type: LR03 (AM4))
Back-up: One CR2032 lithium battery
Battery life:
Main: •Approximately 130 hours of continuous display only in Telephone
Directory Mode.
•Approximately 90 hours with 55 minutes of continuous display
only and 5 minutes of processing operation per hour.
•Approximately 80 hours with 55 minutes of continuous display
only and 5 minutes of processing operation per hour, plus 3 min-
utes of backlight operation per hour during continuous display
only period.
Back-up: Approximately 5 years if main batteries are replaced as soon as
they become weak.
Approximately 2 years if dead main batteries are left in the unit.
Power consumption: 0.25 W
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