Nokia 6600 Nokia 6600 User Guide in English - Page 85

• Lock code (5 digits) - The lock code can be used to lock the phone and keypad to avoid unauthorized use. The factory setting for the lock code is 12345. To avoid unauthorized use of your phone, change the lock code. Keep the new code secret and in a safe place separate from your phone. • PUK and PUK2 codes (8 digits) - The PUK (Personal Unblocking Key) code is required to change a blocked PIN code. The PUK2 code is required to change a blocked PIN2 code. If the codes are not supplied with the SIM card, contact the operator whose SIM card is in your phone for the codes. You can change the following codes: lock code, PIN code, and PIN2 code. These codes can only include the numbers from 0 to 9. Avoid using access codes similar to emergency numbers, such as 911, to prevent accidental dialing of the emergency number. PIN code request - When the PIN code request is active, the code is requested each time the phone is switched on. Note that deactivating the PIN code request may not be allowed by some SIM cards. PIN code / PIN2 code / Lock code - Open this setting if you want to change the code. Autolock period - You can set an autolock period, a time-out after which the phone is automatically locked and can be used only if the correct lock code is entered. Key in a number for the time-out in minutes or select None to turn off the autolock period. • To unlock the phone, key in the lock code. Note: When the phone is locked, calls may be possible to the emergency number programed into your phone (e.g. 911 or other official emergency number). Lock if SIM changed - Select Yes if you want the phone to ask for the lock code when an unknown, new SIM card is inserted into your phone. The phone maintains a list of SIM cards that are recognized as the owner's cards. Fixed dialing - You can restrict your outgoing calls to selected phone numbers, if supported by your SIM card. You need the PIN2 code for this function. When this function is active, you can only call those phone numbers that are included in the fixed dialing list or which begin with the same digit(s) as a phone number on the list. • Press to set Fixed dialing on. Options in the Fixed dialing view: Open, Call, Activ. fixed dialing/Deact. fixed dialing, New contact, Edit, Delete, Add to Contacts, Add from Contacts, Find, Mark/Unmark, Help, and Exit. Note: When Fixed dialing is set on, calls may be possible to certain emergency numbers in some networks (e.g. 911 or other official emergency number). Nokia 6600 User Guide 72 Copyright © 2004 Nokia