Setting Keylock On Startup; Air Encryption; Viewing The Air Encryption State; Air Encryption Key Deletion - Motorola MTP850 Feature User Manual

78 | Main Menu

Setting Keylock on Startup

Procedure:
1 From the home screen, press the
2 Select Security → Keylock Setup → Start Locked.
3 Select On/Off.

Air Encryption

Air Encryption is a feature that enables encryption of entire communication between the radio and infrastructure,
which results in increased security of calls, messages, and data.
If configured by your service provider, the radio plays a sound and displays Call & Data Not Encrypted when
encryption is on and you receive a clear call (unencrypted). This feature provides service confidentiality between you
and the system.
In the TMO Mode, when Air Encryption is enabled on you radio but cannot be supported due to an infrastructure
failure, the following icon appears on the display:
displays: .
This menu item allows you only to view air encryption state.
Note: This is a selling feature.
Related Links
Status Icons on page 27

Viewing the Air Encryption State

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

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##.
Note:
• It takes a minute for this feature to delete all the encryption keys from the radio. During this time, do
not remove the battery.
• Deletion is performed in idle TMO/DMO or Emergency Operation.
Caution: Using this feature will disable the radio, and your service provider will need to re-enable the
radio.

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.
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key.
MENU
.When encryption is not available in the DMO Mode, the radio
key.
MENU