Air Encryption; Viewing Air Encryption State; Air Encryption Key Deletion; K Validity - Motorola MTM5400 Feature User Manual

Feature User Guide
Select Security → Keylock Setup → Start Locked.
2
3 Select On/Off.

5.6.3 Air Encryption

This feature provides service confidentiality between you and the system. This menu item allows you only to
view air encryption state. If encryption is on and you receive a clear call (unencrypted), the radio displays Call
& Data Not Encrypted.

5.6.3.1 Viewing Air Encryption State

Procedure Steps
1 From the home screen, press MENU key.
2 Select Security → AirEncrypt.
3 Your radio displays:
a. Air Encryption Is Off.
b. Air Encryption Is On.

5.6.3.2 Air Encryption Key Deletion

Please check with your service provider whether the radio is provided with Air interface encryption keys. You can
delete the Air interface encryption keys from the radio by entering the following sequence: **00##.
• It takes a minute for this feature to delete all the encryption keys from the radio.
• Deletion is performed in idle TMO/DMO or Emergency Operation.
Using this feature will disable the radio, and your service provider will need to reenable the radio.

5.6.4 K Validity

K (Key) is a secret key the infrastructure uses to authenticate the radio in the system. It is part of the authentication
that provides service confidentiality between your radio and the system.

5.6.4.1 Verifying K Validity

Procedure Steps
1 From the home screen, press MENU key.
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