67can block key press action.Press the [Menu] Soft key then select 6.Settings then select 7.AutoKeypad Lock.The keypad lock duration to one of Off/15 Secs/30 Secs/1 Min/2Mins.Push Up/Down the joystick to select the value that you want andpush in on the joystick.Network SelectionThis function allows you to specify whether your phone selects itsservice provider network manually or automatically.Press the [Menu] Soft key then select 6.Settings then select8.Network Selection.Select either Automatic or Manual.Security SettingsThe security settings enable you to restrict the use of your phone tospecific people and types of calls.Codes and passwords are used to protect these features of yourphone. They are described in the following sections. See also Accesscodes in the Appendix, on page 91.Your phone’s security features keep your phone and SIM card safefrom unauthorized use, and you can either set a password for yourphone or use the Call Barring service and Fixed Dialling mode torestrict which calls can be made using your phone.Press the [Menu] Soft key then select 6.Settings then select9.Security Settings.• SIM LockThis function allows you to specify whether your phone requests thePIN number of SIM cards inserted in it.Press the [Menu] Soft key then select 6.Settings then select9.Security Settings then select 1.SIM Lock.You must input the password before you decide whether to set SIMLock .Press the [Left] or [Right] scroll key to select Lock or Unlock.• Lock: You must input the PIN number to access to the mainmenu after you power on your phone.• Unlock: You are not asked to input the PIN number to access tothe main menu after you power on your phone.NOTE: If you fail to input the correct PIN number 3 times insuccession, you will be prompted to input the PUK number.• Change PINThis function enables you to change your SIM card’s PIN number.Press the [Menu] Soft key then select 6.Settings then select9.Security Settings then select 2.Change PIN.You must input the previous PIN2 number and the new PIN2 numberto change.• Phone LockThis function allows you to lock your phone until the correct passwordis input.Press the [Menu] Soft key then select 6.Settings then select