System Settings 63System SettingsThis chapter contains information about settings in the System Settingsmenu. You should not have to change these settings. The procedures inthis chapter are provided for technically knowledgeable users.Caution: Before making any changes to these settings, contactyour wireless service provider. Random changes to thesesettings could negatively affect your phone’s performance.Voice Privacy ModeWhen this feature is on, conversations and messages are encrypted with aspecial code that can be interpreted only by your wireless service provider.Voice privacy is available only if offered by your wireless service provider.Contact your wireless service provider for additional information.1 From standby, press (MENU) to enter the Main Menu.2 Press to scroll to System Setting and press (OK).3 Press (OK) again to select Network.4 Press (OK) again to select Voice Privacy.5 To change the setting, scroll to the other option and press (OK).• If you selected On, the encryption icon ( ) is displayed during calls (ifyou have subscribed to voice privacy with your service provider).Selecting Your Phone Number (NAM)Your phone can have up to two phone numbers (programmed by yourwireless service provider). You can select either phone number to make acall. These phone numbers are referred to as NAM1 and NAM2. NAMstands for Number Assignment Module.Your wireless service provider must program a NAM into your handset inorder for it to operate correctly on their network. This can be done by asales representative, or optionally, it can be programmed into your phoneover the airwaves.1 From standby, press (MENU) to enter the Main Menu.2 Press to scroll to System Setting and press (OK).3 Press to scroll to NAM Selection and press (OK).• The display shows your current phone number setting.4 If you have a second phone number (NAM2), view it by pressingor .5 To select the other phone number (other than the one you are currentlyusing), make sure that phone number (NAM) is displayed and press(OK).• If you changed the NAM setting, a network search occurs.Note: If you would like to have a second phone numberprogrammed for your phone, contact your wireless serviceprovider.