Nokia RM-685 User Manual page 52

Security
To change the lock code or set your device to request the
code, select Menu > Settings > Security, enter the lock
code (the default lock code is 1234), and the following:
• PIN code request > On — Set the device to ask for PIN
code when switching this device on.
• Change lock code — Set the device to allow you to
restrict incoming or outgoing calls.
• Call restrictions — Set the device to allow you to
restrict incoming or outgoing calls.
• Security level — Set the device to allow you to protect
the phone or the memory with the lock code.
• Access codes — Set the device to allow you to change
PIN code.
• Voice privacy > On — Encrypt your voice. This is a
network dependent service. For the availability of the
service, contact your service provider.
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