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4.9.3
Air Encryption
NOTE: This is a Software Selling Feature.
This menu item allows you only to view air encryption state.
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 your radio but cannot be supported due to an
infrastructure failure, the following icon appears on the display:
the DMO Mode, the radio displays:
4.9.3.1
Viewing Air Encryption State
Procedure:
1 From the home screen, press the Menu key.
2 Select Security→AirEncrypt.
Your radio displays:
•
Air Encryption Is Off – The Air Encryption is not activated.
•
Air Encryption Is On – The Air Encryption is activated.
4.9.3.2
Deleting User Keys
IMPORTANT: The key deletion takes up to 30 seconds. During this period, the battery must not
be removed. Removing the battery during this period may lead to radio malfunction.
Prerequisites: Ensure that the user key deletion is enabled in the codeplug.
Procedure:
Press Side Button 1→Side Button 1→Side Button 1→Side Button 2→Side Button 2→Side
Button 2.
Encryption and/or Authentication keys are deleted. The radio enters Temporary Disable state and the
service provider must manually restore it.
4.9.4
K Validity
Key (K) 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.
.
MN006260A01-AG
Chapter 4 : Main Menu
. When encryption is not available in
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