Nokia E55-1 User Manual page 138

Avoid using codes that are similar to emergency
numbers to prevent accidental dialling of the
emergency number. 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
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
autolock 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 autolock
out in minutes, or select
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
Lock 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
138
lock code is not properly formatted.
Phone and SIM card
Keypad
>
Phone and SIM card
period. Enter a number for the time-
None to set off the autolock
Phone and SIM card
Restore original settings
To restore the original device settings, select
Ctrl. panel Settings
>
settings. To 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.
To use a specific positioning method to detect the
location of your device, select
To select a positioning server, select
server.
To select which measurement system you want to use
for speeds and distances, select
>
preferences Measurement
>
To define in which format the coordinate information
is displayed in your device, select
preferences Coordinate
>
E-mail key settings
>
Select Menu Ctrl. panel
>
To select which mailbox to open with the e-mail key,
select E-mail key settings
the scroll key.
Menu
and General Factory
>
Settings and General
>
Positioning methods.
Positioning
Notation
system.
Notation
format.
Settings and General.
>
E-mail key, and press
>
>
>