Nokia E52 User Manual page 92

Codes are shown as asterisks. When you change a code,
enter the current code, then the new code twice.
Device and SIM card security
To change the PIN code, select Phone and SIM card
PIN code. The new code must be 4 to 8 digits long. The
PIN code protects your SIM card against unauthorised use
and is provided with the SIM card. After three consecutive
incorrect PIN code entries, the code is blocked, and you
need to use the PUK code to unblock it before you can use
the SIM card again.
To set the keypad to lock automatically after a defined
period, select Phone and SIM card
period.
To set a time-out after which the device is automatically
locked and can be used only if the correct lock code is
entered, select Phone and SIM card
period. Enter a number for the time-out in minutes, or
select None to set off the autolock period. When the device
is locked, you can still answer incoming calls, and calls may
still be possible to the official emergency number
programmed into your device.
To set a new lock code, select Phone and SIM card
code. The preset lock code is 12345. Enter the current code
and then the new code twice. The new code can be 4-255
characters long. Both alphabets and digits can be used,
and both uppercase and lowercase alphabets are possible.
The device notifies you if the lock code is not properly
formatted.
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Restore original settings
To restore the original device settings, select
panel Settings
>
do this, you need your device lock code. After resetting,
>
the device may take a longer time to switch on.
Documents, contact information, calendar entries, and
files are unaffected.
Positioning settings
Select Menu Ctrl. panel
>
Positioning.
Keypad autolock
>
To use a specific positioning method to detect the location
of your device, select
To select a positioning server, select
Phone autolock
>
To select which measurement system you want to use for
speeds and distances, select
Measurement system.
To define in which format the coordinate information is
displayed in your device, select
Coordinate format.
Lock
>
E-mail key settings
Select Menu Ctrl. panel
>
To select which mailbox to open with the e-mail key, select
E-mail key settings
key.
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Menu Ctrl.
>
and General Factory settings. To
>
Settings and General
> >
Positioning methods.
Positioning server.
Notation preferences
>
Notation preferences
>
Settings and General.
>
E-mail key, and press the scroll
>
www.nokia.com/support