Hitachi 5000 - Manual (Page 77)

- 5-10 -
Chapter 3
How to Use the
Telephone
Chapter 5
Presence
Block list
7 If you want to delete all the registered users, from the block list screen press the
key to select the sub-menu, then select “6. Delete All”.
A confirmation screen like that in the figure on the right is displayed.
Select "Yes" using the keys of the key,
then confirm with the key.
All the users on the block list are deleted.