Security 11
M50 en, A31008-H5150-A1-1-7619 (1. März 2002, 17:25)
© Siemens AG 2001, L:\MOBIL\K45\M50-Manta-neues Design\ENG-
Change phonecode
You define and enter the phone
code (4-8 digits) when calling up a
phone code protected function
(e.g.Babysitter, p. 17) for the first
time. It is then valid for all functions.
If you have forgotten it, please call
Siemens Service (p.85).
Clear SIM card barring
If the PIN is entered incorrectly three
times, the SIM card is barred. Enter
the PUK (MASTER PIN) provided by
your service provider together with
the SIM card according to instruc-
tions. If PUK (MASTER PIN) has been
lost, please contact your service pro-
vider.

Prevent accidental

activation

Even if PIN entry is deactivated (see
p.10), confirmation is required to
switch on the phone.
This prevents accidental activation
of the phone, e.g. when you are car-
rying it in a bag or when you are trav-
elling in an aircraft.
SHold down.
§OK Press to switch on the
phone.
§Cancel§ Press (or no further input)
to stop switch-on proce-
dure. The phone does not
switch on.
Note
Screensaver......................................p.38
Auto key lock.....................................p. 61
Further security settings....................p. 63
Please confirm switch on
OK Cancel