Tannoy WALKMAN W715 - Manual (Page 67)

and you need to enter your PUK
(Personal Unblocking Key). Your PIN
and PUK are supplied by your network
operator.
To unblock the SIM card
1 When PIN blocked appears, enter your
PUK and select OK .
2 Enter a new four-to-eight-digit PIN and
select OK .
3 Re-enter the new PIN and select OK .
To edit the PIN
1 From standby select Menu > Settings >
the General tab > Security > Locks > SIM
protection > Change PIN .
2 Enter your PIN and select OK .
3 Enter a new four-to-eight-digit PIN and
select OK .
4 Re-enter the new PIN and select OK .
If Codes do not match appears, you
entered the new PIN incorrectly. If Wrong
PIN appears, followed by Old PIN: , you
entered your old PIN incorrectly.
To use the SIM card lock
1 From standby select Menu > Settings >
the General tab > Security > Locks > SIM
protection > Protection .
2 Select an option.
3 Enter your PIN and select OK .
Phone lock
You can stop unauthorised use of your
phone. Change the phone lock code
(0000) to any four-to-eight-digit
personal code.
It is important that you remember your
new code. If you forget it, you have to take
your phone to your local Sony Ericsson
retailer.
To use the phone lock
1 From standby select Menu > Settings >
the General tab > Security > Locks >
Phone protection > Protection .
2 Select an option.
3 Enter the phone lock code and select
OK .
To unlock the phone
• Enter your code and select OK .
To change the phone lock code
1 From standby select Menu > Settings >
the General tab > Security > Locks >
Phone protection > Change code .
2 Enter the old code and select OK .
3 Enter the new code and select OK .
4 Repeat the code and select OK .
Keypad lock
You can set this lock to avoid
accidental dialling. Incoming calls can
More features 67