Unlocking Auto Key Lock1. Press Menu > Settings > Security > Auto Key Lock.2. Select Off.Changing hidden keyThe hidden key is a security code for USIM Contact. You can lock theperson’s information in the USIM Contacts with the hidden key.1. Press Menu > Settings > Security > Change Hidden Key.Note: The default password is dependent by SIM card. (either depends onthe SIM card or determined by the SIM card)To enable fixed dialingEnabling and disabling1. Press Menu > Settings > Security > FDN.2. Select On or Off.For details on fixed dialing, see page 27.ResetResetting the phone1. Press Menu > Settings > Reset2. Enter password > Master Reset.NOTE: It will return configuration settings to default. The default passwordis ‘1234’.Clearing the phone1. Press Menu > Settings > Reset2. Enter password > Master Clear.NOTE: It will change the setting as default and erase all personal data. Thedefault password is ‘1234’.TTYThe teletypewriter (TTY) is a telecommunications device that allows peoplewho are deaf or hard of hearing, or who have speech or languagedisabilities, to communicate via a telephone.Setting teletypewriter1. Press Menu > Settings > TTY.2. Select Disable, TTY Full, TTY Talk or TTY Hear.- Disable: TTY mode is disabled.- TTY Full: User who cannot talk and hear, sends and receives a text