Samsung SCH-U540T, User Manual

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• lock your phone and serivces so that other people
cannot use your phone and the additional services.
• change your current lock code to a new one.
• store emergency numbers.
• erase your Contacts entries and downloaded items.
• reset your phone.
• select a roaming mode.
• set the phone to remind you when you are making
or receiving a roaming call.
• set digits, such as area codes and network feature
activation codes, to the beginning of a phone
number before dialling it.
• activate the contact match feature.
• restrict outgoing calls.
• set how to answer incoming calls.
• turn the automatic redealing or answering features
on or off.
• select one of several languages for the display
text.
• activate or deactivate Airplane mode, the location
feature, Headset mode, or Key Guard mode.
Solve problems
Help and personal needs
To save the time and expense of an unnecessary
service call, perform the simple checks in this section
before contacting a service professional.
When you switch on your phone, the following
messages may appear:
“Insert SIM card”
• Be sure that the SIM card is correctly installed.
“Phone locked Enter password”
• The automatic locking function has been enabled.
You must enter the phone’s password before you
can use the phone.
“Enter PIN”
• You are using your phone for the first time. You
must enter the PIN supplied with the SIM card.
• The PIN Check feature is enabled. Every time the
phone is switched on, the PIN has to be entered.
To disable this feature, use the PIN check menu.