User's Guide

4.9.1.1
Protecting the Radio with a PIN Code
Procedure:
1 From the home screen, press the Menu key.
2 Select Security→PIN Protect.
3 Select On.
4 Enter the PIN code.
NOTE: To increase security, set your own PIN code. By default the PIN code are all
zeros (depending on the length of the PIN code). For radios with general PIN
authentication, the PIN length is a fixed 4-digit code. For radios with BSI PIN
authentication, the PIN length is configurable by your service provider up to a maximum
of 8-digit code.
Postrequisites: Each time you turn on the terminal, PIN code is required.
4.9.1.2
Changing PIN Codes
NOTE: This feature is only available when enabled by your service provider.
Procedure:
1 From the home screen, press the Menu key.
2 Select Security→Change Code.
3 Radio prompts for the Old Code.
NOTE: By default the PIN code are all zeros (depending on the length of the PIN code).
For radios with general PIN authentication, the PIN length is a fixed 4-digit code. For
radios with BSI PIN authentication, the PIN length is configurable by your service
provider up to a maximum of 8-digit code.
4 If the entered code matches the old code, radio prompts for the new code twice.
Your radio displays Code Accepted.
4.9.2
Setting Keypad Lock
The keypad lock/unlock can be invoked from the radio menu, or by using a predefined menu shortcut.
By default, the Power and Emergency buttons are always operative when the keypad is locked.
Procedure:
1 To unlock, perform one of the following actions:
• For MTP8500Ex, press Menu→Left Navigation key.
• For MTP8550Ex, press Menu→*.
2 To lock, press Menu and select Security→Keylock Setup→Lock Keypad.
4.9.2.1
Keypad Lock Notification
When the keypad is locked, your service provider can configure one of the following instructions:
MN006260A01-AD
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