3.1 Personal Programming116 User Manual3.1 Personal Programming3.1.1 Personal ProgrammingYou can customize your telephone features. For example, you can change the initial settings or buttonfeatures according to your needs.— Extension PIN (Personal Identification Number)Extension PIN (Personal Identification Number)You can assign a password to each extension.The following features require an extension PIN.1. Screening calls (Live Call Screening [LCS])2. Prohibiting other people from seeing your personal directory and call log (Directory and CallLog Lock)3. Using the same settings as your extension at other extensions (Walking Extension)4. Remote Control Operation (Walking COS)5. Extension Lock ClearTo set• If you change your desk and extension, refer to "1.10.1 Walking Extension".PT/SLT/PSOff-hook. Enter799.1Enter1. EnterextensionPIN (max. 10 digits).extension PIN#Enter#.sameextension PIN #Enter#. On-hook.Entersame extensionPIN (max. 10 digits).7 9 9C.TonePIN: Personal Identification Number