Siemens Gigaset S4 professional User Manual page 88

Telephone blocking
Step by Step
u v
Ï
Settings
s t
Audio Settings
s t
System
s t
Handset PIN
88
Entering a new PIN
v
Open the handset's main menu.
[
Select the menu icon and confirm.
[
Select the menu item and confirm.
[
Select the menu item and confirm.
[
Select the menu item and confirm.
o
[
Enter and confirm the old PIN. If a PIN has not yet been
set, then enter "0000".
o
[
Enter and confirm the new PIN.
a Press the On-hook key to end the operation.
Battery charging when PIN lock active
If the handset has deactivated because the batteries
are flat, it automatically activates when you place it in
the charging shell. The charging operation starts. If you
have already set a PIN, you must enter it so that the
handset can receive calls.