# Setting a PIN for the Address Book

Set a PIN for the address book. Once the PIN is set, you need to enter it to register, edit, or delete destinations.
1
Press [] (Menu).
2
Press [] or [] to highlight <System Settings>, and then press [OK].

###### If a System Manager PIN is specified:

Use the numeric keys to enter the System Manager PIN, and then press [OK].
3
Press [] or [] to highlight <Restrict TX Function>, and then press [OK].
4
Press [] or [] to highlight <Address Book PIN>, and then press [OK].
5
Enter the PIN using the numeric keys and press [OK].
The PIN can be up to 7 digits.
Press [OK] to display the confirmation screen. When the screen appears, enter the PIN again and press [OK].

###### To clear the entered PIN:

Press [] (Clear) to delete the PIN, and then press [OK].
6
Press [] (Menu) to close the Menu screen.
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