Casio SF-4980ER Calculator User Manual


 
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PART 3 Data Management Functions
Using the Secret function
The Secret Function ensures that your personal data is kept private, but providing
you with the means to restrict access to those who know your secret password.
You can store Telephone Directory, Memo Mode, Schedule Keeper, To Do
Mode, Expense Mode and Reminder Mode data in the secret memory area.
Important!
Once you register a password, there is no way delete it without performing the
RESET operation described on page 19. If you forget your password, you will not
be able to recall data stored in the secret memory area, and you also will not be
able to use the Secret Function unless you perform the
RESET operation. Be sure
that you do not forget your password!
To create a secret memory area
1. Enter the Telephone Directory, Memo Mode, Schedule Keeper, To Do Mode,
Expense Mode or Reminder Mode.
2. Press
C to display the password input screen.
3. Enter the word you want to use as your secret password.
You can use up to 48 letters, numbers and symbols in a password.
4. Press
C again to store the password.
The following shows an example display for the Telephone Directory.
Total number of
data items in
Telephone
Directory secret
memory area
Secret memory
area indicator
Prompt for name
input