Casio Digital Diary SF-3990 - Manual (Page 18)

E-16
Deleting Data
To delete a single item
1. Press “ or ‘ to recall an item.
2. Press FUNC to select ITEM DEL, and then press ENTER.
3. Press ENTER to delete the recalled item, or press ESC to abort.
To delete all data in a particular mode
1. Press TEL, SCHEDULE, ANNIVERSARY, MEMO, or TODO to enter the
mode that contains the data you want to delete.
2. Press FUNC to select ALL DEL, then press ENTER.
3. Press ENTER to delete all the data in the mode, or press ESC to abort.
Secret Memory Area
Important!
If you forget your password, you will have to RESET and delete everything in
memory!
To register a password
Example
Password: 0123
Key Operation Display
TEL
SECRET
0123 ENTER
•
Your password can be up to 4 numbers long.
0123 ENTER
NAME / Y N A P M O C
NEW P ? S S A
_ _ _ _
RE - TY E P
_ _ _ _
NAME / Y N A P M O C