1.5 Absence SettingsUser Manual 771.5.3 Extension Dial LockYou can lock your extension so that other users cannot make inappropriate outside calls.This feature is also known as Electronic Station Lockout.To lockTo unlockTo make an outside call while your extension is locked• If you forget the extension PIN or cannot unlock your extension, consult your manager. Hecan clear your extension PIN. Then, you can set the new PIN and unlock your extension byentering it.• If your extension is locked by this feature, it cannot perform the following operations:– Making outside calls– Changing the call forwarding destination• If you do not set extension PIN, you cannot lock and unlock your extension.Off-hook. On-hook.PT/SLT/PSEnter77. Enter1.177 C.ToneOff-hook. On-hook.PT/SLT/PSEnter77. Enter0.077 C.TonePIN: Personal Identification Numberextension PINEnterextension PIN(max. 10 digits).Off-hook.PT/SLT/PS74Enter 47.extension PINextension no.yourextension no. extension no.desiredphone no.Dial yourextension number.Enter extension PIN(max. 10 digits).If the wrong extension PIN isentered, you hear an alarm tone.Dial desiredphone number.Seize CO line before enteringoutside phone number.C.Tone &D.TonePIN: Personal Identification Number