User Manual

Table Of Contents
3 Use up and down NAVIGATION keys to change the minutes and press Done.
Setting Keylock on Startup
Procedure:
1 From the home screen, press the MENU key.
2 Select SecurityKeylock SetupStart 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:
.When encryption is not available in
the DMO Mode, the radio displays: .
This menu item allows you only to view air encryption state.
NOTICE: This is a selling feature.
Related Links
Status Icons on page 32
Viewing the Air Encryption State
Procedure:
1 From the home screen, press the MENU key.
2 Select SecurityAirEncrypt.
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##.
NOTICE:
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.
CAUTION: Using this feature will disable the radio, and your service provider will need to re-
enable the radio.
Chapter 5: Main Menu
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