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SPECIFICATIONS
Main modes:
Data storage:
Clock:
Calculation:
General:
Display element:
Memory capacity:
Main component:
Power supply:
Power consumption:
Battery life*:
Auto power off:
Operating temperature: 0°C ~ 40°C (32°F ~ 104°F)
Dimensions:
Unfolded:
Folded:
Weight:
• Design and specifications are subject to change without notice.
Current consumption:
Power switch
OFF
ON
ON (Operating)
Telephone Directory, Business Card Library, Memo, Schedule Keeper,
Expense, Reminder, Calendar, Home Time, World Time and Calculator
Storage and recall of telephone, business card, memo, schedule, expense,
reminder data, calendar display, secret area; editing; memory status display
World Time; reminder alarm; schedule alarm; daily alarm; accuracy under
normal temperatures: ±3 seconds average
12-digit arithmetic calculations; arithemetic constants (+, –, ×, ÷); independ-
ent memory; percentages; square roots; 24-digit approximations; date calcula-
tions; other mixed calculations
16-column × 8-line LCD
SF-7900E: 128KB (103436 bytes)
SF-8900: 256KB (234508 bytes)
LSI
3 lithium batteries (CR2032)
0.07 W
Approximately 170 hours continuous operation in Telephone Directory;
approximately 130 hours repeating one minute of input and 10 minutes of
display in Telephone Directory; approximately 12 months for memory back
up
* The batteries that come installed in this unit when you purchase it are for
factory test purposes, so they will probably not provide normal service life.
Approximately 6 minutes after last key operation
9.55H × 144W × 155D mm (
15.95H × 144W × 77.5D mm (
123g (4.3 oz.)
TYP. [µA]
11.7
1,670.0
4,520.0
— 1 —
"H × 5
"W × 6
3
/
11
/
1
/
"D)
8
16
8
"H × 5
"W × 3
5
/
11
/
1
/
"D)
8
16
16
MAX [µA]
37.1
13,711.0
16,645.0
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