Hitachi TD61-2472 - Manual (Page 19)

1.7.3 Group revision
Adding and deleting group names.
1 From the contact list menu, select "3 Revise group".
2 “1.The default is that groups can not be revised or erased.
You can create up to 10 groups.
To add a group, press the LeftSoft key to select the sub-menu, then select "1.
Add".
3 The figure on the right shows the addition of a group named "WIP". To save
the newly added group and return to the contact list menu, press the
key.
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