Hitachi TD61-2472 User Manual page 23

If you select "Yes", the process for deleting the entire contact list starts.
3
The "Deletion complete" message is displayed immediately, then the display
returns to the contact list menu.
1.8. IM
Displays the mail menu.
Press the LeftSoft key to select the menu item.
1
Select "2. IM".
* With some connection equipment, this is not possible.
Hitachi Cable 19