[ 35 ]Phone security6 Phone securityNote: The phone must be switched on to use these functions.Do not switch on the phone when the use of a wireless phoneis prohibited or when it may cause interference or danger.An array of security features prevents accidental calls, allows you torestrict the calls your phone can make and receive, and keeps your storedinformation safe.• KEYGUARDWith Keyguard, you can lock the keypad to prevent keys from beingpressed accidentally.If the keypad is locked, it unlocks when you receive a call. After the call,the lock automatically reactivates.Lock the keypad1 Select Menu with the Leftselection key.2 Press the Star key.Unlock the keypad1 Select Unlock with the Leftselection key.2 Press the Star key.When Keyguard is on, calls may be possibleto emergency numbers programmed into your phone (for example, 911).Enter the emergency number and press the Talk key. The number appearsin the display after you have keyed in the last digit.• PIN CODE REQUESTThe PIN code protects the SIM card from unauthorized access. The PIN codecan be 4–8 digits in length. After three successive incorrect entries thePIN code is blocked and you will be asked to enter the personal unblockingkey (PUK) code.
