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E-27
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) × 5
11
/
16
" (W) × 3
9
/
16
" (D))
Unfolded: 10.3 (H) × 145 (W) × 178 (D) mm
(
3
/
8
" (H) × 5
11
/
16
" (W) × 7 " (D))
Weight: Approximately 120g (4.2 oz) including batteries