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Air Encryption Key Deletion
Please check with your Service Provider whether the
terminal is provided with air interface encryption keys.
You can delete the air interface encryption keys from the
terminal by entering the following sequence from the keypad:
* * 0 0 # #
K Validity
From the main menu, select Security > K Validity.
K (Key) is a secret key the infrastructure uses to authenticate
the MTM800E in the system. It is part of the authentication
that provides service confidentiality between your MTM800E
and the system.
To verify K validity, press Select. The display will show one
of the following messages:
• K is Valid
– the infrastructure can authenticate your
MTM800E.
• K is Invalid
– the infrastructure shall not authenticate your
MTM800E. Please call your Service Provider to restore K
to your MTM800E.
It takes a minute for this feature to delete all the enryption keys
from the radio. During this time please do not remove the
battery.
Using this feature will disable the terminal,
and your Service Provider will need to re-
enable the terminal.
Deletion should be performed in idle TMO/DMO or Emergency
Operation.
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