Siemens GSM 900 - Manual (Page 82)

31.5.02 06-S46 Body.fm i 37 Eagle Am Engl, A31008-H4500-A1-4-7619
77
Setup
Security
The use of security codes can
protect the phone and SIM card
from misuse.
§Menu§ Setup
Security
select a function:
Codes
PIN control
Depending on your Service Provider,
the PIN may be requested each time
the phone is turned on. You can
deactivate this feature but you risk
unauthorized use of the phone.
Some service providers do not
permit this function.
PIN Protects your SIM card (personal
identification number).
PIN2 This is needed to set the charge
detail display and to access
additional functions on special
SIM cards.
PUK Key code. Used to unlock SIM
cards after the wrong PIN has
been entered.
Phone
code
Protects your phone. Must be
entered at the first security
setting (4 to 8 digits).
Keep these confidential numbers in a
safe place where you can access them
again if required.
©
Change PIN
You can change the PIN to any
4 to 8 digit number.
J
Enter old PIN.
§OK§ Select soft key.
J
§OK§ Enter new PIN.
J
§OK§ Repeat new PIN.
Change PIN2
You can use the same process to
change a PIN 2, if PIN 2 is available.
Change phonecode
You define and enter the phone code
when you call up a phone code-
protected function for the first time.
It is then valid for all functions.
You can change it to any 4 to 8 digit
number. If you forget it, please call
Siemens Service (p. 93).
Clear SIM card barring
If the PIN is entered incorrectly three times,
the SIM card is locked. Follow instructions
and enter the PUK (MASTER PIN) your
service provider has given you together
with the SIM card. If MASTER PIN or PIN is
lost, please contact your service provider.
©
©