Tested Vintage 1988 (original manufacturer date) Casio Digital Diary SF-3500 16k Storage Capacity (15,518 characters) - Made in Japan - comes with original Operation Manual book (in English and Spanish) :: and we just installed top brand brand new batteries (3 NEW CR-2025 Lithium Energizers - see photos) - Data on this device has been cleared and reset, it is ready for your input -
NOTE: our testing included installing new batteries and scrolling through multiple screens, powered on and off - as expected (having so many features, it was not possible to test all the many detailed functions) - see our electronic policy below.
This personal portable data device in the 1980s was the innovative personal storage device that took the market by storm - as at that time it featured sophisticated functions as well as simplified operation. To make the most of this data storage device, make sure to read the entire manual before use. The 3 new energizer batteries we just put in should last you for years (the package said use by 3/2029 see data storage/recall, calendar display, marker, letter memory, secret area, editing, capacity display, auto display
Specifications
General (128 page CASIO SF-3500 operation manual is in English and Spanish)Display element: 95x47-dot (16 columns x 6-line) LCD - w/contrast adjustmentMain component: C-MOS LSIPower Supply: 3 lithium batteries (CR-2025)Power consumption: 0.04WBattery life: approximately 130 hours (continuous use)Auto Power Off: approx. 6 minutes after last key operationOperating Temperature: 0 degree Celsius ~40 degrees Celsius (32F ~ 104F)Dimensions: Unfolded: 7H X126W X 145mmD (1/4 in H X 5 in W X5 3/4 In D)
Folded: 14H X126W X 74mmD (1/2 in H X 5 in W X 2 7/8 In D)Weight: 140g (4.9oz) including batteries
Secret FunctionConfidential data can be assigned to a secret area which only allows access when a preset password is entered
Date CalculationsDate Calculations in the range of 1901 through 2099 can be performedJanuary 1, 1901 through December 31 2099
Storage Capacity:16k (15,518 characters)
Telephone Directory - Approximately 780 people
(18 characters for name and number of each person)
Memo - Approximately 740 entries (20 characters per entry)
Schedule - Approximately 620 days (1 item per day, 20 characters per item)
Please zoom the photos which include battery replacements and some manual pages.
Enjoy this rare vintage digital device find in todays times :)
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ELECTRONICS RETURN POLICY ON THIS ITEM. We do our very best to ensure Electronic components were tested and working before they are shipped. Before you purchase please note: Used electronics can be fragile, once shipped our policy is we are not responsible for anything not working when you receive it. So this used electronic device is sold "as is" -- no returns are accepted
See item specifics and zoom in on photos for complete details. Photos show you the actual item you will receive. Any questions, please let us know. Thanks!
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