Security Features - Mitsubishi Electric M420i User Manual

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Selecting automatic search
To perform an automatic search from the preferred list, proceed as follows:
1
Press the [Menu] key. Select Settings.
2
GSM
Services.
Select
3
Select Network.
4
Select Search.
5
Select Automatic.
Call barring
This network dependent service forbids certain outgoing or incoming call types. It requires a
call barring password.
To bar a call
1
Press the [Menu] key. Select Settings.
2
GSM
Services.
Select
3
Call
barring.
Select
4
Outgoing calls
Select
(to bar All outgoing calls, International calls or International calls
excluding your Home network),
Cancel all
while Roaming only),
5
Select Activate. Enter the password and press OK.
The network then confirms the selection.
To remove call barring or check its status
1
Press the [Menu] key. Select Settings.
2
GSM
Services.
Select
3
Call
barring.
Select
4
Scroll up or down to select the barring type to be deactivated (Cancel) or checked and follow
the instructions displayed.
Call barring password
The call barring password is used to select the call barring levels. It is supplied via your service
provider.
To change the password:
1
Press the [Menu] key. Select
2
GSM
Services.
Select
3
Call
barring.
Select
4
Change
password.
Select
First enter the former password then enter the new password twice. A Confirmation message
is displayed.
Operation mode
You can use your mobile as a modem on the GPRS network. When the modem mode is activated,
you cannot send or receive a call.
1
Press the [Menu] key. Select Settings.
2
GSM
Services.
Select
3
Operation
mode.
Select
4
Modem
or Standard.
Select

Security features

The security features described in this section protect your phone from unauthorised use.
When prompted, enter the code and press OK. Codes are displayed as asterisks (*).
Press the [Clear] key if you need to amend your entry.
Avoid using codes similar to emergency numbers such as 112 to prevent the accidental dialling of these numbers.
KEEP A RECORD OF YOUR CODES IN A SAFE PLACE.
Incoming calls
(to bar All incoming calls or all incoming calls
(to cancel all barring conditions) or
Settings.
Settings
89-
Change
password.

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