[ 54 ]12 Security and system settingsWarning: Do not switch on the phone when wirelessphone use is prohibited or when it may cause interferenceor danger.Your phone has a variety of security features that help preventsome of the following:• Placing accidental or unintentional calls• Unauthorized use of your phone• Placing and accepting calls from certain phone numbers• Accidental erasing of information or restoring factory settings• LOCK KEYPAD (KEYGUARD)With keypad lock (Keyguard) you can temporarily lock your phone keypad and prevent theaccidental placing of calls or pressing of the keypad (for example, when the phone is inyour pocket or in your purse).Press Menu 10, to activate Keyguard. You could also press Menu followed by */+ (within threeseconds) to activate Keyguard. It is possible to answer a call, even though Keyguard is activated.Press the Send key to answer the call. When the call has ended, the keypad remains locked.Press Unlock followed by */+ (within three seconds) to deactivate Keyguard and unlock yourphone keypad.Important: appears at the top of the display. The left softkey is alsolabeled Unlock.Important: When the phone is locked, calls may be possible to the emergency numberprogrammed into your phone (for example, 911 or other official emergency number).• SECURITY CODEYour phone prompts you for a five-digit security code for certain features and commands.Access is granted only after the correct security code has been entered successfully.The default security code is 12345. It is recommended that you change this code at once,write it down, and store it in a safe place away from your phone.Important: When entering your security code, ***** is displayed on the screen tokeep others from viewing your code.You can delete the last entered digit by pressing Clear (or by pressing and holding Clear to deleteall the digits more quickly). Enter the correct code or press Back to exit. If you enter an incorrectsecurity code, Code error will appear five times in a row, and your phone will not accept anyentries for the next five minutes.