Siemens C75 - Manual (Page 18)

17 Security
© Siem
ens AG 2003
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Tem
plate: X75
, Version 2.2; VAR
Langua
ge: en;
VAR issue
date: 050718
right page (17) of C75 Aries, FUG, w/o ptt, 143mm, en , A31008-H6970-A1-2-7619 (23.09.2005, 12:09)
Security
The phone and SIM card are protect-
ed against misuse by several security
codes.
PIN codes
C
¢
T
¢
Security
¢
PIN codes
¢
Select function.
PIN control
The PIN is usually requested each
time the phone is switched on. You
can deactivate this feature but you
risk unauthorised use of the phone.
Some service providers do not per-
mit deactivating the control.
§Change§ Press.
J
Enter PIN.
C
Confirm input.
Change PIN
You can change the PIN to any
4 to 8-digit number you find easier
to remember.
§Select§ Press.
J
Enter current PIN.
C
Confirm input.
J
,
C
Enter new PIN.
J
,
C
Re-enter new PIN.
Keep these confidential numbers in
a safe place where you can access
them again if required.
PIN Protects your SIM card (person-
al identification number).
PIN2 This is needed to set the charge
detail display and to access
additional functions on special
SIM cards.
PUK
PUK2
Key code. Used to unlock
SIM cards after the wrong PIN
has been entered repeatedly.
Phone
code
Protects your phone. Must be
entered at the first security
setting.