Nokia 2275 User Guide 55 Copyright © 2004 NokiaSecurity and System settings11 Security and System settingsWarning: Do not switch on the phone whenwireless phone use is prohibited or when it maycause interference or danger.Your phone has a variety of security features that helpprevent some 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 andprevent the accidental placing of calls or pressing of the keypad (for example,when the phone is in your pocket or in your purse).Press Menu 10, to activate Keyguard. You could also press Menu followed by*/+ (within three seconds) to activate Keyguard. It is possible to answer a call,even though Keyguard is activated. Press the Send key to answer the call. Whenthe call has ended, the keypad remains locked.Press Unlock followed by */+ (within three seconds) to deactivate Keyguard andunlock your phone keypad.Important: appears at the top of the display. The left softkey isalso labeled Unlock.Important: When the phone is locked, calls may be possible to theemergency number programmed into your phone (for example, 911 orother official emergency number).• Phone lockThis feature protects your phone from unauthorized outgoing calls orunauthorized access to information stored in the phone. When phone lock isactivated, Phone locked is displayed each time you turn your phone on or off.After pressing either Contacts or Menu, you must enter your lock code. Onceyour lock code has been accepted, your phone will function normally.Important: Call not allowed is displayed if you attempt to place a callwhile phone is locked.Important: When the phone is locked, calls may be possible to theemergency number programmed into your phone (for example, 911 orother official emergency number).