TV system
— Select the analogue video signal
●
system that is compatible with your TV.
Flicker filter
— To improve image quality on the
●
screen of your TV, select On. The flicker filter may
not diminish image flicker on all TV screens.
Security settings
Phone and SIM
Press
, and select
Security
Phone and SIM
>
PIN code request
●
requested each time the device is switched on.
Deactivating the PIN code request may not be
allowed by some SIM cards.
PIN
code,
PIN2
●
change the lock code, PIN code, and PIN2 code.
These codes can only include the numbers from 0 to
9.
If you forget the PIN or the PIN2 code, contact your
service provider. If you forget the lock code, contact
a Nokia Care point or your service
"Access codes", p. 15.
Avoid using access codes similar to the emergency
numbers to prevent accidental dialling of the
emergency number.
Keypad autolock period
●
keypad is locked when your device has been idle for
136
a certain period of time.
Tools
Settings
General
>
>
card.
— When active, the code is
code, and
Lock code
— You can
provider.See
— Select whether the
Phone autolock period
●
use, you can set a time-out after which the device
automatically locks. A locked device cannot be used
until the correct lock code is entered. To turn off the
autolock period, select None.
Tip: To lock the device manually, press the
power key. A list of commands opens. Select
Lock
phone.
Lock keys if slide closed
●
>
keypad is locked when you close the 2-way slide.
Tip: To lock or unlock the keypad manually
when the slide is closed, press the left
selection key, then the right selection key.
Lock if SIM card changed
●
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 recognised as the owner's
cards.
Closed user group
●
people to whom you can call and who can call you
(network service).
Confirm SIM services
●
display confirmation messages when you are using
a SIM card service (network service).
Certificate management
Press
, and select
Security
Certificate
>
— To avoid unauthorised
— Select whether the
— You can set the device
— You can specify a group of
— You can set the device to
Tools
Settings
General
>
>
management.
>