Nokia N71 - Manual (Page 94)

Tools
93 Copyright © 2006 Nokia. All rights reserved.
Date and time
See ‘Clock settings’, p. 12, and language settings in
‘General’, p. 8.
Security
Phone and SIM
PIN code request —When active, the code is requested
each time the device is switched on. Deactivating the
personal identification number (PIN) code request may
not be allowed by some SIM cards. See ‘Glossary of PIN
and lock codes’, p. 13.
PIN code , PIN2 code , and Lock code —You can change the
lock code, PIN code, and PIN2 code. These codes can only
include the numbers from 0 to 9. If you forget any of these
codes, contact your service provider. See ‘Glossary of PIN
and lock codes’, p. 13.
Avoid using access codes similar to the emergency
numbers to prevent accidental dialing of the emergency
number.
Autolock period —You can set an autolock period, a
time-out after which the device automatically locks. To
turn off the autolock period, select
None .
To unlock the device, enter the lock code.
When the device is locked, calls still may be possible to the
official emergency number programmed into your device.
Tip! To lock the device manually, press . A list of
commands opens. Select Lock phone .
Lock if SIM changed —You can set the device to ask for
the lock code when an unknown SIM card is inserted into
your device. The device maintains a list of SIM cards that
are recognized as the owner’s cards.
Closed user group —You can specify a group of people to
whom you can call and who can call you (network service).
When calls are limited to closed user groups, calls still may
be possible to the official emergency number programmed
into your device.
Confirm SIM services —You can set the device to display
confirmation messages when you are using a SIM card
service (network service).
Glossary of PIN and lock codes
If you forget any of these codes, contact your service
provider.
Personal identification number (PIN) code—This code
protects your SIM card against unauthorized use. The PIN
code (4 to 8 digits) is usually supplied with the SIM card.