Getting Started 
4.When you wish to switch the phone off, hold down
the 
key until the
Access Codes
You can use the access codes described in this section to avoid unauthorized use of your phone. The access codes can be changed by using the Change Codes feature (Menu 9.5.3).
Security code (4 to 8 digits)
The security code protects the unauthorized use of your phone. The default security code is set to ‘0000’ and the security code is required to delete all phone entries and to activate the Restore Factory Settings menu. The security code default setting can be modified from the Security Settings menu.
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