User's Manual

76
More features
R1A Draft for US FCC approval only
Start-up screen
When you turn your phone on or off, the
Sony Ericsson start-up screen appears. Your
network operator’s own start-up screen may appear
instead. You can also set your own start-up screen.
To select a start-up screen
} Settings } the Display tab } Start-up screen and
select a file for the start-up screen.
Calculator
The phone has a calculator, which can add,
subtract, divide and multiply.
To use the calculator
} Organizer }Calculator.
• Press or to select ÷ x - + . % =
• Press to delete the figure.
• Press to enter a decimal point.
SIM card lock
The SIM card lock protects your subscription, but
not your phone itself, from unauthorized use. If you
change SIM cards, the phone still works with the
new SIM card.
Most SIM cards are locked at the time of pur-
chase. If the SIM card lock is on, you have to enter
a PIN (Personal Identity Number) every time you
turn on your phone.
If you enter your PIN incorrectly three times in a
row, the SIM card is blocked. This is indicated by
the message
PIN blocked. To unblock it, you need
to enter your PUK (Personal Unblocking Key).
Your PIN and PUK are supplied by your network
operator. You can edit your PIN and select a new
four- to eight-digit PIN.
To unblock your SIM card
1 When PIN blocked is displayed, enter your
PUK } OK.
2 Enter a new four- to eight-digit PIN } OK.
3 Re-enter the new PIN to confirm } OK.
To edit your PIN
1 } Settings } the General tab } Locks } SIM
lock } Change PIN.
2 Enter your PIN } OK.
If the message Codes do not match appears when you
edit your PIN, you entered the new PIN incorrectly. If
the message Wrong PIN appears, followed by Old PIN:,
you entered your old PIN incorrectly.